Eastern Great Basin Fuel Status
Zone UT421 History
| Date | Critical Status |
Critical Below (feet) |
Remarks |
|---|---|---|---|
| 10/04/09 08:31:32 | No | ||
| 09/25/09 08:49:58 | Yes | 7,000 | The Live Fuel Moisture in the Cache Valley is near normal values for this time of year. The recent pattern of warmer than normal max temperatures and below normal RH have resulted in NFDRS indices consistently above normal. Given Red Flag conditions, large fire potential is high below 7000 feet. |
| 09/15/09 19:00:01 | No | Cache Valley has recently received some precipitation and much higher RH values. LFM in Juniper and Sagebrush is near normal values for this time of year. Fire potential has moderated significantly due to the combination of these factors. | |
| 09/15/09 18:54:24 | No | Cache Valley has some potential for extreme fire behavior due to the extended warm and dry weather in Northern Utah. Although LFM in Juniper has been trending higher, the samples are still at or below the average for this time of year. Sagebrush LFM is near normal. However, ERC indices have reached historical extreme values, and 1000-hour fuel moisture has been steadily decreasing. | |
| 09/12/09 09:57:29 | Yes | Cache Valley has some potential for extreme fire behavior due to the extended warm and dry weather in Northern Utah. Although LFM in Juniper has been trending higher, the samples are still at or below the average for this time of year. Sagebrush LFM is near normal. However, ERC indices have reached historical extreme values, and 1000-hour fuel moisture has been steadily decreasing. | |
| 09/04/09 15:25:26 | No | Live fuels, including perennial vegetation are responding to cooler temperatures and night-time RH reconvery in the Logan Valley. | |
| 09/04/09 15:21:47 | Yes | Live fuels, including perennial vegetation are responding to cooler temperatures and night-time RH reconvery in the Logan Valley. | |
| 08/26/09 14:40:11 | No | The Logan Valley has received significant precipitation in the past week. Live fuels, including perennial vegetation are responding to the moisture and cooler temperatures. | |
| 08/13/09 13:42:07 | Yes | Cheatgrass has cured. Live fuel moisture has dropped below normal values. | |
| 08/01/09 17:29:45 | Yes | Cheatgrass has cured. Live fuel moisture has dropped below normal values. | |
| 07/18/09 00:44:22 | Yes | Cheatgrass has cured. Live fuel moisture (sagebrush) is rapidly dropping below 100%. | |
| 07/08/09 21:52:20 | No | This area is not yet in a "critical" fuels condition. Cheatgrass has cured below 6500 feet. From 6500-7500', grass may still be growing above normal loading due to early summer moisture at these bench locations. Live fuel moisture (sagebrush) is rapidly dropping below 120%. | |
| 07/08/09 06:44:05 | No | This area is not yet in a "critical" fuels condition. Cheatgrass has cured below 6500 feet. From 6500-7500', grass may still be growing above normal loading due to early summer moisture at these bench locations. Live fuel moisture (sagebrush) is rapidly dropping below 120%. | |
| 07/08/09 06:38:39 | No | This area is not yet in a "critical" fuels condition. Cheatgrass has cured below 6500 feet. From 6500-7500', grass may still be growing above normal loading due to early summer moisture at these bench locations. Live fuel moisture (sagebrush) is rapidly dropping below 120%. | |
| 07/06/09 06:30:17 | No | Cheatgrass has cured below 6000 feet with a possible second growth at the lower elevations. From 6000-7500', grass may still be growing above normal loading due to recent moiture at these bench areas. Live fuel moisture (sagebrush) has dropped below 120%, meaning that sage will contribute to fire behavior characteristics given a cured grass understory. However, this area is not yet in a "critical" fuels condition. | |
| 06/28/09 10:52:29 | No | Cheatgrass has cured below 6000 feet with a possible second growth at the lower elevations. From 6000-7500', grass may still be growing above normal loading due to recent moiture at these bench areas. Live fuel moisture (sagebrush) has dropped below 120%, meaning that sage will contribute to fire behavior characteristics given a cured grass understory. However, this area is not yet in a "critical" fuels condition. | |
| 06/28/09 10:36:51 | No | Cheatgrass has cured below 6000 feet with a possible second growth at the lower elevations. From 6000-7500', grass may still be growing above normal loading due to recent moiture at these bench areas. Live fuel moisture (sagebrush) has dropped below 120%, meaning that sage will contribute to fire behavior characteristics given a cured grass understory. However, this area is not yet in a "critical" fuels condition. | |
| 06/19/09 03:45:44 | No | Cheatgrass has cured below 6000 feet with a possible second growth at the lower elevations. From 6000-7500', grass may still be growing above normal loading due to recent moiture at these bench areas. Live fuel moisture (sagebrush) has dropped below 120%, meaning that sage will contribute to fire behavior characteristics given a cured grass understory. However, this area is not yet in a "critical" fuels condition. | |
| 06/19/09 03:43:18 | No | Cheatgrass has cured below 6000 feet with a possible second growth at the lower elevations. From 6000-7500', grass may still be growing above normal loading due to recent moiture at these bench areas. Live fuel moisture (sagebrush) has dropped below 120%, meaning that sage will contribute to fire behavior characteristics given a cured grass understory. | |
| 05/30/09 09:26:40 | No | Cheatgrass has cured below 5500'. Live fuel moisture (sagebrush) rapidly decreasing, but still above 160%. | |
| 05/14/09 22:02:33 | No | Annual/Perennial vegetation in green-up. Live fuel moisture very high. | |
| 05/08/09 11:16:17 | No | ||
| 09/11/08 07:37:56 | No | Logan-Cache Airport weather station has not report precipitation in the last 7 days and only .74" in the previous 30 days. However, cool nighttime temperature and good RH recovery have kept fuels from reaching critical levels. | |
| 09/06/08 11:03:26 | No | Precipitation received the last day of August was substantial. The Cache Valley sites exceeded .75". Rain duration was close to 12 hours. Consequently, fuel moisture has increased and critical fuel conditions moderated. | |
| 09/06/08 10:40:10 | Yes | Precipitation received 8/31-9/1 was a quarter to half inch; duration was typically less than 6 hours (total). Consequently, drought conditions persist with less than 65% of normal precipitation since January. Live fuel moistures in sagebrush and juniper are less than 60-75% and 80% respectively. The 1000-hour fuel moisture is 5-6%. | |
| 09/03/08 17:11:50 | Yes | Precipitation received 8/31-9/1 was a quarter to half inch; duration was typically less than 6 hours (total). Consequently, drought conditions persist with less than 65% of normal precipitation since January. Live fuel moistures in sagebrush and juniper are less than 60-75% and 80% respectively. The 1000-hour fuel moisture is 5-6%. | |
| 08/27/08 15:21:42 | Yes | Drought conditions persist with less than 60% of normal precipitation since January. Live fuel moistures in sagebrush and juniper are less than 60-75% and 80% respectively. One-hour dead fuel moisture is at 1 percent, 10-hour fuel is at 2 percent, 100-hour fuels are at 2-3 percent, and 1000-hour fuel moisture is less than 5 percent. The 1000-hour fuel moisture has dropped below the levels recorded historically. | |
| 08/16/08 18:43:37 | Yes | Drought conditions persist with less than 60% of normal since January. Live fuel moisture in Sagebrush is 50-80%; Juniper is less than 75%. ERC (FM G) is near 100; 1000-hr fuel moisture is 5%. | |
| 08/11/08 13:40:03 | Yes | Minimal precipitation has been recorded at the RAWS over the previous 2 months. Single digit RH and above normal temperatures have caused both live and dead fuels to reach critical levels. NFDRS model still indicates critical fuel conditions for the Desert FDRA. | |
| 07/26/08 07:23:00 | Yes | Minimal precipitation has been recorded at the RAWS over the previous 2 months. Single digit RH and above normal temperatures have caused both live and dead fuels to reach critical levels. NFDRS model still indicates critical fuel conditions for the Desert FDRA. | |
| 07/18/08 07:40:55 | Yes | Single digit RH and above normal temperatures have caused both live and dead fuels to reach critical levels. Live fuel moisture in Sagebrush has dropped below 120%,. LFM in Juniper is near 80%. 1000-hour fuel moisture is less than 7%. | |
| 07/18/08 07:38:55 | Yes | All | Single digit RH and above normal temperatures have caused both live and dead fuels to reach critical levels. Live fuel moisture in Sagebrush has dropped below 120%,. LFM in Juniper is near 80%. 1000-hour fuel moisture is less than 7%. |
| 07/11/08 08:40:37 | Yes | All | Single digit RH and above normal temperatures have caused both live and dead fuels to reach critical levels. Live fuel moisture in Sagebrush has dropped below 120%,. LFM in Juniper is near 70%. 1000-hour fuel moisture is about 7%. |
| 07/03/08 09:16:14 | Yes | 7,000 | Annual grasses have cured. Live fuel moisture in Sagebrush had dropped below 180%,. LFM in Juniper is near 70%. 1000-hour fuel moisture is about 8%. |
| 06/25/08 19:15:35 | No | Annual grasses have cured. Live fuel moisture in Sagebrush had dropped below 180%,. LFM in Juniper is near 70%. 1000-hour fuel moisture is about 9%. | |
| 06/20/08 07:00:02 | No | Annual grasses are nearly cured. Live fuel moisture in Sagebrush had dropped below 200%,. LFM in Juniper is near 70%. 1000-hour fuel moisture is about 10% (normal is 12%). | |
| 06/16/08 00:46:02 | No | Cheatgrass has cured over 80% of the area at less than 6". Live fuel moisture in Sagebrush had dropped below 200%,. LFM in Juniper is near 70%. 1000-hour fuel moisture is about 10% (normal is 12%). | |
| 06/09/08 18:06:03 | No | Last week's cool & wet weather has resulted in a second growth of annual grass in the western deserts. Consequently, areas which were originally thought to be spotty are now covered with a continuous layer of cheatgrass. Cheatgrass has cured over 80% of the area at less than 4". Live fuel moisture in Sagebrush is near 200%, but rapidly declining. LFM in Juniper is near 70%. 1000-hour fuel moisture is near 11% (normal is 12%). | |
| 05/30/08 09:34:44 | No | Drought conditions have moderated across Northern Utah due to a week of cool & wet weather. Above normal snow pack and cooler than average temperatures this spring have kept fuels moist and delayed the onset of fire season, especially above 7500’. Live fuel moisture in Sagebrush is averaging near 210%. Juniper is averaging near 68%. 1000-hour fuel moisture is near 10% (normal is 12%). Cheatgrass has cured over 80% of the area at less than 4". | |
| 05/30/08 09:32:52 | No | Drought conditions have moderated across Northern Utah due to a week of cool & wet weather. Above normal snow pack and cooler than average temperatures this spring have kept fuels moist and delayed the onset of fire season, especially above 7500’. Live fuel moisture in Sagebrush is averaging near 210%. Juniper is averaging near 68%. 1000-hour fuel moisture is near 10% (normal is 12%). | |
| 05/20/08 18:04:50 | No | Drought conditions are expanding and intensifying across Northern Utah. Above normal snow pack and cooler than average temperatures this spring will help keep fuels moist and delay the onset of fire season above 6500’. However, critical live fuel moisture levels sampled in Juniper and the persistence of drought will likely result in extremely high fire potential and mortality in Juniper woodland fuel types. | |
| 05/20/08 17:58:46 | No | Annual herbaceous fuels are rapidly transitioning toward a cured state in much of the western desert locations. Dead fuel moisture values at all size classes are critically low due to extremely dry spring conditions. Live fuel moisture in sagebrush is falling below 200%. | |
| 05/12/08 06:50:45 | No | Annual herbaceous fuels are in the green-up stage. Dead fuel moisture values at all size classes are critically low due to extremely dry spring conditions. Live fuel moisture in sagebrush is around 200%. | |
| 04/21/08 20:02:49 | No | Vegetation is at various stages of green-up. Cool temperatures are keeping high elevation snow pack above 7500' from melting too rapidly. | |
| 04/13/08 15:53:57 | No | Vegetation is at various stages of green-up. Cool temperatures are keeping high elevation snow pack above 7500' from melting too rapidly. | |
| 03/25/08 16:17:07 | No | Vegetation at lower elevations (< 5000') are still dormant. Snow still covers much of the area above 6500' | |
| 03/20/08 08:13:01 | No | First day of spring. | |
| 03/20/08 08:11:52 | No | Shorter days and cooler nights have put fuels out of critical status. | |
| 11/07/07 19:48:11 | No | Shorter days and cooler nights have put fuels out of critical status. | |
| 09/29/07 21:57:44 | No | Live fuel moisture in Sage and Juniper is below normal and nearly dormant. Oakbrush is turning color at all elevations and is at critically low moisture levels. However, dead fuels have been saturated with recent precipitation over several days of cool wet weather. | |
| 09/26/07 15:27:03 | Yes | All | Live fuel moisture in Sage and Juniper is below normal and nearly dormant. Oakbrush is turning color at all elevations and is at critically low moisture levels. Extreme fire behavior should be expected when RH is low and winds are strong and/or gusty.extreme fire behavior. Juniper is near 70% and Sagebrush is near 60%. |
| 09/26/07 15:24:46 | Yes | All | Live fuel moisture in Sage and Juniper is below normal at nearly dormant. Oakbrush is turning color at all elevations and is at critically low moisture levels. Extreme fire behavior should be expected when RH is low and winds are strong and/or gusty.extreme fire behavior. Juniper is near 70% and Sagebrush is near 60%. |
| 09/13/07 16:49:34 | Yes | All | Live fuel moisture is still well below critical threshold levels for extreme fire behavior. Juniper is near 70% and Sagebrush is near 60%. |
| 09/03/07 12:38:09 | Yes | All | Live fuel moisture is still well below critical threshold levels for extreme fire behavior. ERC is also trending upward . . . significantly above historical average. |
| 08/26/07 08:09:14 | Yes | All | Live fuel moisture is still well below critical threshold levels for extreme fire behavior. ERC is also trending upward . . . significantly above historical average. |
| 08/18/07 06:51:18 | Yes | All | Although Northern Utah has experienced some isolated precipitation and higher humidity, vegetation is still at critically dry levels. . . . . experiencing multiple fires with extreme fire behavior. |
| 08/12/07 16:19:26 | Yes | All | Although Northern Utah has experienced some isolated precipitation and higher humidity, vegetation is still at critically dry levels. |
| 08/09/07 07:09:30 | Yes | All | Although Northern Utah has experienced some isolated precipitation and higher humidity, vegetation is still at critically dry levels. |
| 07/22/07 14:36:21 | Yes | All | Northern Utah is experiencing extreme fire behavior with long-range spotting and rapid spread rates in juniper. The 1000-hour fuel moisture has dropped below 40-year historical levels. ERCs are exceeding 40-year historical extreme indices. |
| 07/16/07 09:31:31 | Yes | All | Live fuel moisture has dropped below critical levels. Northern Utah is experiencing extreme fire behavior with spotting and rapid spread rates. The 1000-hour fuel moisture has dropped below 30-year historical levels. |
| 07/09/07 11:58:32 | Yes | All | Live fuel moisture has dropped below critical levels. Northern Utah is experiencing extreme fire behavior with spotting and rapid spread rates. The 1000-hour fuel moisture has dropped below 30-year historical levels. |
| 07/01/07 14:16:58 | Yes | All | Live fuel moisture has dropped below critical levels. Northern Utah is experiencing extreme fire behavior with spotting and rapid spread rates. The 1000-hour fuel moisture has dropped below 30-year historical levels. |
| 06/26/07 11:22:02 | Yes | Live fuel moisture has dropped below critical levels. Northern Utah is experiencing extreme fire behavior with spotting and rapid spread rates. The 1000-hour fuel moisture has dropped below 30-year historical levels. | |
| 06/18/07 09:32:28 | Yes | Recent fire behavior in sagebrush/juniper with grass understory has been extreme. Sagebrush LFM has dropped below 120% and will contribute to fire intensity where an understory of grass is present to preheat the brush. Juniper LFM is below 65%. | |
| 06/10/07 17:22:47 | Yes | Recent precipitation has helped to moderate the severe vegetative conditions. However, recent fire behavior in sagebrush/juniper with grass understory has been extreme. Sagebrush LFM has dropped below 120% and will contribute to fire intensity where an understory of grass is present to preheat the brush. Juniper LFM is below 65%. | |
| 06/10/07 17:21:23 | Yes | Recent precipitation has helped to moderate the severe vegetative conditions. However, recent fire behavior in sagebrush/juniper with grass understory has been extreme. Sagebrush LFM has dropped below 120% and will contribute to fire intensity where an understory of grass is present to preheat the brush. Juniper LFM is below 65%. | |
| 06/04/07 08:11:27 | Yes | This zone is setting new historical ERC, BI, and 1000-hr extreme values. This zone is setting new historical ERC, BI, and 1000-hr extreme values. There is an abundance of carryover fine fuels in addition to a dense, continuous crop of new herbaceous vegetation across northern Utah. Sagebrush LFM has dropped below 120% and will contribute to fire intensity where an understory of grass is present to preheat the brush. | |
| 05/29/07 09:21:22 | Yes | This zone is setting new historical ERC, BI, and 1000-hr extreme values. There is an abundance of carryover fine fuels in addition to a dense, continuous crop of new herbaceous vegetation across northern Utah. Shrubs are loosing fuel moisture about 2-4 weeks faster than average. | |
| 05/26/07 07:53:33 | Yes | 7,000 | This zone is setting new historical ERC, BI, and 1000-hr extreme values. There is an abundance of carryover fine fuels in addition to a dense, continuous crop of new herbaceous vegetation across northern Utah. Shrubs are loosing fuel moisture about 2-4 weeks faster than average. |
| 05/26/07 07:48:55 | Yes | 7,500 | This zone is setting new historical ERC, BI, and 1000-hr extreme values. There is an abundance of carryover fine fuels in addition to a dense, continuous crop of new herbaceous vegetation across northern Utah. Shrubs are loosing fuel moisture about 2-4 weeks faster than average. |
| 05/19/07 18:35:30 | Yes | 7,000 | Low snowpack, high temperatures, and early snow melt over northern Utah has been drying out large fuels and herbaceous vegatation. This has caused early green-up and an early onset of fire season. There is an abundance of carryover fine fuels in addition to a dense, continuous crop of new herbaceous vegetation across northern Utah. Shrubs are loosing fuel moisture about 2-4 weeks faster than average. |
| 05/14/07 13:00:07 | Yes | 6,000 | Annual herbaceous vegetation has cured below 6000' and on south and western aspects below 7000'. Due to drought conditions, annual grasses are short (< 6"), but very dense and continuous throughout the Zone. Woody herbaceous vegetation is rapidly loosing fuel moisture due to above normal temperatures and lack of precipitation. |
| 05/14/07 12:59:10 | Yes | 7,000 | Annual herbaceous vegetation has cured below 6000' and on south and western aspects below 7000'. Due to drought conditions, annual grasses are short (< 6"), but very dense and continuous throughout the Zone. Woody herbaceous vegetation is rapidly loosing fuel moisture due to above normal temperatures and lack of precipitation. |
| 05/12/07 06:09:50 | No | Annual grasses as the lower elevations have almost reached the end of their green-up potential. Woody herbaceous vegetation is rapidly loosing fuel moisture, but still above critical thresholds. | |
| 05/06/07 20:29:24 | No | Annual herbaceous vegetation is greening up. Woody herbaceous vegetation is rapidly loosing fuel moisture, but still above critical thresholds. | |
| 05/06/07 20:25:41 | No | Annual herbaceous vegetation is greening up. | |
| 05/02/07 10:19:05 | No | Fine fuels are still relatively green | |
| 02/27/07 18:22:09 | No | Fuels are damp due to recent precipitation/snow; temp & RH are below critical thresholds. | |
| 09/25/06 15:58:11 | No | NFDRS indices have moderated due to precipitation and temperatures. | |
| 09/18/06 12:55:04 | No | NFDRS indices have moderated due to precipitation and temperatures. | |
| 09/18/06 12:54:08 | No | NFDRS indices have moderated due to precipitation and temperatures. | |
| 08/22/06 11:08:17 | Yes | NFDRS indices are near historical high values; juniper & sagebrush LFM is below 80% | |
| 08/09/06 20:24:15 | Yes | Annual grass understory is contributing to significant wildfire growth; juniper & sagebrush LFM is below 80% | |
| 07/29/06 14:45:40 | Yes | Annual grass understory is contributing to significant wildfire growth; juniper & sagebrush LFM is below 80% | |
| 07/29/06 14:43:16 | Yes | Annual grass is cured; juniper & sagebrush LFM is below 80% | |
| 07/29/06 14:42:58 | Yes | Annual grass is cured; juniper & sagebrush LFM is below 80% | |
| 07/19/06 21:19:45 | Yes | Annual grass is cured; juniper & sagebrush LFM is below 80% | |
| 07/19/06 21:19:26 | Yes | Annual grass is cured; juniper & sagebrush LFM is below 80% | |
| 07/07/06 16:47:21 | Yes | Annual grass is cured; sagebrush LFM is below 100% | |
| 06/24/06 17:23:16 | Yes | Cheatgrass is cured; sagebrush LFM is around 120% | |
| 06/24/06 17:08:15 | Yes | Grass is cured at the lower elevations below 8500; sagebrush LFM is around 120% | |
| 06/18/06 15:03:43 | Yes | Grass is cured at the lower elevations below 7500; sagebrush LFM is around 120% | |
| 06/09/06 14:38:28 | Yes | Grass is cured at the lower elevations below 6500; sagebrush LFM is around 150% | |
| 05/25/06 19:45:38 | Yes | Grass is cured at the lower elevations below 6500 | |
| 05/25/06 19:45:20 | No | Grass is cured at the lower elevations below 6500 | |
| 05/22/06 20:53:14 | No | Grass is cured at the lower elevations below 6500 | |
| 05/22/06 20:52:57 | No | Grass is cured at the lower elevations below 6500' | |
| 05/10/06 20:23:02 | No | Spring precipitation has been high -- annual grass is in green-up stage | |
| 05/10/06 20:22:42 | No | Spring precipitation has been high -- annual grass is in green-up stage | |
| 05/02/06 17:08:40 | No | Spring precipitation has been high -- annual grass is in green-up phase | |
| 05/01/06 15:56:33 | No | Spring precipitation has been high -- annual grass is in green-up phase | |
| 04/03/06 07:37:58 | No | Annual grass is in green-up phase | |
| 10/07/05 20:53:38 | No | Precipitation & higher humidity has affected fuel conditions and decreased the potential for extreme fire behavior | |
| 09/25/05 20:37:22 | Yes | Fuels remain critical due to low live fuel moisture and relatively higher than normal ERC. | |
| 09/21/05 11:15:30 | No | Recent precipitation and higher relative humidity has temporarily reduced extreme fire danger | |
| 09/02/05 12:13:20 | Yes | Live Fuel Moisture in Sagebrush is below 70% . . . .ERC is above 95% . . . Fine fuel loading is above normal. | |
| 08/23/05 13:16:12 | No | Recent precipitation combined with good RH recovery each day has allowed fuels to recover | |
| 08/01/05 18:45:37 | Yes | Live Fuel Moisture in Sagebrush is near 100% . . . .Fine fuel loading is well above normal. | |
| 07/25/05 09:25:58 | Yes | Live Fuel Moisture in Sagebrush is near 100% . . . .Fine fuel loading is well above normal. Fires below 8500' are exhibiting extreme fire behavior. | |
| 07/11/05 15:13:51 | Yes | Fine fuel loading is well above normal. | |
| 07/07/05 08:01:37 | Yes | Fine fuel loading is well above normal. Sagebrush is below 140% Live Fuel Moisture content. | |
| 06/23/05 15:05:15 | Yes | Critical below 6500' |