Alert archive / Utah / Red Flag Warnings in 2018
Red Flag Warning 9, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this red flag warning at Jun 26, 2018, 9:43 AM MDT for Duchesne County, Utah. It took effect at Jun 26, 2018, 12:00 PM MDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 26, 2018, 9:43 AM MDT (15:43 UTC)
- In effect from
- Jun 26, 2018, 12:00 PM MDT
- Expired
- Jun 26, 2018, 8:00 PM MDT
- In force
- 8 hr
- Issued by
- NWS Salt Lake City, UT
County Duchesne County, UT
The radar
The Salt Lake City radar (KMTX), 201 km from the middle of the area, began a volume at 15:47 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 3.7 hours before the alert went out and 136 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3712 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
778 WWUS85 KSLC 261543 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 943 AM MDT Tue Jun 26 2018 UTZ482-270200- /O.NEW.KSLC.FW.W.0009.180626T1800Z-180627T0200Z/ Western Uintah Basin- 943 AM MDT Tue Jun 26 2018 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 482... The National Weather Service in Salt Lake City has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon today until 8 PM MDT this evening. * AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin. * WINDS...West winds increasing to 15-20 mph with gusts over 30 mph. * RELATIVE HUMIDITY...Between 5 and 10 percent. * IMPACTS...Any fires that develop will have the potential to spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
2 follow-up statements
298 WWUS85 KSLC 261858 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 1258 PM MDT Tue Jun 26 2018 UTZ482-270300- /O.NEW.KSLC.FW.W.0010.180627T2000Z-180629T0600Z/ /O.CON.KSLC.FW.W.0009.000000T0000Z-180627T0200Z/ Western Uintah Basin- 1258 PM MDT Tue Jun 26 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 482... ...RED FLAG WARNING IN EFFECT FROM 2 PM WEDNESDAY TO MIDNIGHT MDT THURSDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 482... The National Weather Service in Salt Lake City has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 2 PM Wednesday to midnight MDT Thursday night. * AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin. * WINDS...West winds increasing to 15-20 mph with gusts over 30 mph this afternoon and southwest at 15 mph with gusts over 25 mph Wednesday and gusts over 30 mph Thursday. * RELATIVE HUMIDITY...Between 5 and 10 percent. * IMPACTS...Any fires that develop will have the potential to spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ492-495-497-498-270300- /O.NEW.KSLC.FW.W.0010.180627T2000Z-180629T0600Z/ Central Utah West Desert-Color Country West Desert-Mojave Desert- Grand Staircase- 1258 PM MDT Tue Jun 26 2018 ...RED FLAG WARNING IN EFFECT FROM 2 PM WEDNESDAY TO MIDNIGHT MDT THURSDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 492...495...497 AND 498... The National Weather Service in Salt Lake City has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 2 PM Wednesday to midnight MDT Thursday night. * AFFECTED AREA...Fire Weather Zone 492 Central Utah West Desert...Fire Weather Zone 495 Color Country West Desert... Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * WINDS...Southwest winds 15-25 mph with gusts over 30 mph each afternoon and into the evening. * RELATIVE HUMIDITY...5-10 percent. * IMPACTS...Any fires that develop will have the potential to spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ481-483-484-488-489-493-494-496-270300- /O.NEW.KSLC.FW.W.0010.180627T2000Z-180629T0600Z/ Western Ashley National Forest-Southern Ashley National Forest- Tavaputs Plateau-Manti National Forest-San Rafael Swell- Central Utah Mountains-Henry Mountains-Color Country Mountains- 1258 PM MDT Tue Jun 26 2018 ...RED FLAG WARNING IN EFFECT FROM 2 PM WEDNESDAY TO MIDNIGHT MDT THURSDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 481...483...484...488...489...493...494 AND 496... The National Weather Service in Salt Lake City has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 2 PM Wednesday to midnight MDT Thursday night. * AFFECTED AREA...Fire Weather Zone 481 Western Ashley National Forest...Fire Weather Zone 483 Southern Ashley National Forest... Fire Weather Zone 484 Tavaputs Plateau...Fire Weather Zone 488 Manti National Forest...Fire Weather Zone 489 San Rafael Swell...Fire Weather Zone 493 Central Utah Mountains...Fire Weather Zone 494 Henry Mountains and Fire Weather Zone 496 Color Country Mountains. * WINDS...Southwest winds at 10-20 mph with gusts over 25 mph on Wednesday and 15-25 mph with gusts over 30 mph on Thursday. * RELATIVE HUMIDITY...5 and 10 percent. * IMPACTS...Any fires that develop will have the potential to spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
408 WWUS85 KSLC 270223 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 823 PM MDT Tue Jun 26 2018 UTZ482-271200- /O.EXP.KSLC.FW.W.0009.000000T0000Z-180627T0200Z/ /O.CON.KSLC.FW.W.0010.180627T2000Z-180629T0600Z/ Western Uintah Basin- 823 PM MDT Tue Jun 26 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM WEDNESDAY TO MIDNIGHT MDT THURSDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 482... * AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin. * WINDS...Southwest at around 15 mph with gusts over 25 mph Wednesday and gusts over 30 mph Thursday. * RELATIVE HUMIDITY...Between 5 and 10 percent. * IMPACTS...Any fires that develop will have the potential to spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ492-495-497-498-271200- /O.CON.KSLC.FW.W.0010.180627T2000Z-180629T0600Z/ Central Utah West Desert-Color Country West Desert-Mojave Desert- Grand Staircase- 823 PM MDT Tue Jun 26 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM WEDNESDAY TO MIDNIGHT MDT THURSDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 492...495...497 AND 498... * AFFECTED AREA...Fire Weather Zone 492 Central Utah West Desert...Fire Weather Zone 495 Color Country West Desert... Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * WINDS...Southwest winds 15-25 mph with gusts over 30 mph each afternoon and into the evening. * RELATIVE HUMIDITY...5-10 percent. * IMPACTS...Any fires that develop will have the potential to spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ481-483-484-488-489-493-494-496-271200- /O.CON.KSLC.FW.W.0010.180627T2000Z-180629T0600Z/ Western Ashley National Forest-Southern Ashley National Forest- Tavaputs Plateau-Manti National Forest-San Rafael Swell- Central Utah Mountains-Henry Mountains-Color Country Mountains- 823 PM MDT Tue Jun 26 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM WEDNESDAY TO MIDNIGHT MDT THURSDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 481...483...484...488...489...493... 494 AND 496... * AFFECTED AREA...Fire Weather Zone 481 Western Ashley National Forest...Fire Weather Zone 483 Southern Ashley National Forest...Fire Weather Zone 484 Tavaputs Plateau...Fire Weather Zone 488 Manti National Forest...Fire Weather Zone 489 San Rafael Swell...Fire Weather Zone 493 Central Utah Mountains...Fire Weather Zone 494 Henry Mountains and Fire Weather Zone 496 Color Country Mountains. * WINDS...Southwest winds at 10-20 mph with gusts over 25 mph on Wednesday and 15-25 mph with gusts over 30 mph on Thursday. * RELATIVE HUMIDITY...5 and 10 percent. * IMPACTS...Any fires that develop will have the potential to spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 12:58 PM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Carbon, Davis, Duchesne, Emery and 15 more | 4 days |
Nearby
Red Flag Warnings in Utah, 2018Every red flag warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.