Alert archive / Utah / Red Flag Warnings in 2017
Red Flag Warning 10, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this red flag warning at Jun 27, 2017, 2:54 PM MDT for 4 counties in Utah. It took effect at Jun 28, 2017, 10:00 AM MDT. It was in force for 12 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 27, 2017, 2:54 PM MDT (20:54 UTC)
- In effect from
- Jun 28, 2017, 10:00 AM MDT
- Expired
- Jun 28, 2017, 10:00 PM MDT
- In force
- 12 hr
- Issued by
- NWS Salt Lake City, UT
Counties Juab County, UT, Millard County, UT, Sanpete County, UT, Washington County, UT
The radar
The Cedar City radar (KICX), 141 km from the middle of the area, began a volume at 20:57 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, 8.9 hours before the alert went out and 226 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
- 9 J/kg
- Mixed-layer CIN
- -331 J/kg
- Mixed-layer LCL
- 3029 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
625 WWUS85 KSLC 272054 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 254 PM MDT Tue Jun 27 2017 UTZ492-497-281100- /O.NEW.KSLC.FW.W.0010.170628T1600Z-170629T0400Z/ Central Utah West Desert-Mojave Desert- 254 PM MDT Tue Jun 27 2017 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 10 PM MDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 492 AND 497... 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 10 AM to 10 PM MDT Wednesday. * AFFECTED AREA...Fire Weather Zone 492 Central Utah West Desert and Fire Weather Zone 497 Mojave Desert. * WINDS...Southwest 10 to 20 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 5-9 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions tomorrow. 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. && $$ UTZ478-281100- /O.EXB.KSLC.FW.W.0008.170628T1600Z-170629T0400Z/ Salt Lake Desert- 254 PM MDT Tue Jun 27 2017 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 10 PM MDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 478... The National Weather Service in Salt Lake City has issued a Red Flag Warning for wind and low relative humidity...which is in effect from 10 AM to 10 PM MDT Wednesday. * AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert. * WINDS...West 10 to 20 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 8-12 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions tomorrow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or are imminent. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ479-482-484-488-489-494-281100- /O.CON.KSLC.FW.W.0009.000000T0000Z-170629T0400Z/ Wasatch Mountains-Western Uintah Basin-Tavaputs Plateau- Manti National Forest-San Rafael Swell-Henry Mountains- 254 PM MDT Tue Jun 27 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 479... 482...484...488...489 AND 494... * AFFECTED AREA...Fire Weather Zone 479 Wasatch Mountains...Fire Weather Zone 482 Western Uintah Basin...Fire Weather Zone 484 Tavaputs Plateau...Fire Weather Zone 488 Manti National Forest...Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 494 Henry Mountains. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 5-10 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions through tomorrow. 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. && $$ UTZ493-495-496-498-281100- /O.CON.KSLC.FW.W.0008.000000T0000Z-170629T0400Z/ Central Utah Mountains-Color Country West Desert- Color Country Mountains-Grand Staircase- 254 PM MDT Tue Jun 27 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 493... 495...496 AND 498... * AFFECTED AREA...Fire Weather Zone 493 Central Utah Mountains... Fire Weather Zone 495 Color Country West Desert...Fire Weather Zone 496 Color Country Mountains and Fire Weather Zone 498 Grand Staircase. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 5-10 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions through tomorrow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or are imminent. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
2 follow-up statements
014 WWUS85 KSLC 280744 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 144 AM MDT Wed Jun 28 2017 UTZ479-482-484-488-489-494-290400- /O.CON.KSLC.FW.W.0009.000000T0000Z-170629T0400Z/ Wasatch Mountains-Western Uintah Basin-Tavaputs Plateau- Manti National Forest-San Rafael Swell-Henry Mountains- 144 AM MDT Wed Jun 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 479...482...484...488...489 AND 494... * AFFECTED AREA...Fire Weather Zone 479 Wasatch Mountains...Fire Weather Zone 482 Western Uintah Basin...Fire Weather Zone 484 Tavaputs Plateau...Fire Weather Zone 488 Manti National Forest...Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 494 Henry Mountains. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 5-10 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions today. Scattered thunderstorms will also potentially start new fires due to lightning near the Idaho border. 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. && $$ UTZ493-495-496-498-290400- /O.CON.KSLC.FW.W.0008.000000T0000Z-170629T0400Z/ Central Utah Mountains-Color Country West Desert- Color Country Mountains-Grand Staircase- 144 AM MDT Wed Jun 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 493...495...496 AND 498... * AFFECTED AREA...Fire Weather Zone 493 Central Utah Mountains... Fire Weather Zone 495 Color Country West Desert...Fire Weather Zone 496 Color Country Mountains and Fire Weather Zone 498 Grand Staircase. * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 5-10 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions today. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or are imminent. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ UTZ478-290400- /O.CON.KSLC.FW.W.0008.170628T1600Z-170629T0400Z/ Salt Lake Desert- 144 AM MDT Wed Jun 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 478... * AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 8-12 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions today. Scattered thunderstorms will also potentially start new fires due to lightning near the Idaho border. 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. && $$ UTZ492-497-290400- /O.CON.KSLC.FW.W.0010.170628T1600Z-170629T0400Z/ Central Utah West Desert-Mojave Desert- 144 AM MDT Wed Jun 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 492 AND 497... * AFFECTED AREA...Fire Weather Zone 492 Central Utah West Desert and Fire Weather Zone 497 Mojave Desert. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 5-9 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions today. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ Rogowski For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
867 WWUS85 KSLC 282048 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 248 PM MDT Wed Jun 28 2017 UTZ482-484-488-489-494-291300- /O.EXT.KSLC.FW.W.0009.000000T0000Z-170630T0400Z/ Western Uintah Basin-Tavaputs Plateau-Manti National Forest- San Rafael Swell-Henry Mountains- 248 PM MDT Wed Jun 28 2017 ...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 482...484... 488...489 AND 494... * AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin... Fire Weather Zone 484 Tavaputs Plateau...Fire Weather Zone 488 Manti National Forest...Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 494 Henry Mountains. * WINDS...West to southwest winds the rest of today 15 to 25 mph with gusts up to 35 mph. Northwest winds on Thursday afternoon and evening 10 to 20 mph with gusts to 30 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 5-10 percent both today and Thursday. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions today and again Thursday. 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. && $$ UTZ493-496-498-291300- /O.EXT.KSLC.FW.W.0008.000000T0000Z-170630T0400Z/ Central Utah Mountains-Color Country Mountains-Grand Staircase- 248 PM MDT Wed Jun 28 2017 ...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 493... 496 AND 498... * AFFECTED AREA...Fire Weather Zone 493 Central Utah Mountains...Fire Weather Zone 496 Color Country Mountains and Fire Weather Zone 498 Grand Staircase. * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph the rest of today. West to northwest winds on Thursday afternoon and evening 10 to 20 mph with gusts to 30 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 5-10 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions today and again Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or are imminent. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ UTZ478-495-290400- /O.CON.KSLC.FW.W.0008.000000T0000Z-170629T0400Z/ Salt Lake Desert-Color Country West Desert- 248 PM MDT Wed Jun 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 478 AND 495... * AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert and Fire Weather Zone 495 Color Country West Desert. * WINDS...Southwest to west 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 8-12 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions today. Lightning with scattered thunderstorms along the Idaho border will also potentially start new fires. 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. && $$ UTZ492-497-290400- /O.CON.KSLC.FW.W.0010.000000T0000Z-170629T0400Z/ Central Utah West Desert-Mojave Desert- 248 PM MDT Wed Jun 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 492 AND 497... * AFFECTED AREA...Fire Weather Zone 492 Central Utah West Desert and Fire Weather Zone 497 Mojave Desert. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 5-9 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions today. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ479-290400- /O.CON.KSLC.FW.W.0009.000000T0000Z-170629T0400Z/ Wasatch Mountains- 248 PM MDT Wed Jun 28 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 479... * AFFECTED AREA...Fire Weather Zone 479 Wasatch Mountains. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Afternoon minimums as low as 10-15 percent. * IMPACTS...Gusty winds and low humidities will combine to cause critical fire weather conditions today. Lightning with scattered thunderstorms along the Idaho border will also potentially start new fires. 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
Nearby
Red Flag Warnings in Utah, 2017Every red flag warning in 2017
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.