Alert archive / Utah / Red Flag Warnings in 2021
Red Flag Warning 9, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this red flag warning at May 17, 2021, 12:12 PM MDT for 15 counties in Utah. It took effect at May 19, 2021, 11:00 AM MDT. It was in force for 4 days. 11 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 17, 2021, 12:12 PM MDT (18:12 UTC)
- In effect from
- May 19, 2021, 11:00 AM MDT
- Expired
- May 23, 2021, 9:00 PM MDT
- In force
- 4 days
- Issued by
- NWS Salt Lake City, UT
Counties Beaver County, UT, Carbon County, UT, Emery County, UT, Garfield County, UT, Iron County, UT, Juab County, UT, Kane County, UT, Millard County, UT, Piute County, UT, San Juan County, UT, Sanpete County, UT, Sevier County, UT, Utah County, UT, Washington County, UT, Wayne County, UT
The radar
The Cedar City radar (KICX), 138 km from the middle of the area, began a volume at 18:14 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 20, 11:10 AM MDT | NON-TSTM WND GST 45 | 2 E Monticello, UT | MESONET STATION UTMPO US-491 AT MP 2 MONTICELLO POE. |
| May 21, 2:20 PM MDT | TSTM WND GST 55 | 2 E Monticello, UT | MESONET STATION UTMPO US-491 AT MP 2 MONTICELLO POE. |
| May 21, 2:35 PM MDT | TSTM WND GST 46 | 1 E Blanding Muni Arpt, UT | AWOS STATION KBDG BLANDING. |
| May 21, 2:40 PM MDT | NON-TSTM WND GST 59 | 2 Ssw Enoch, UT | MESONET STATION UTNCC I-15 AT MP 62.5 NORTH CEDAR CITY. |
| May 21, 3:20 PM MDT | NON-TSTM WND GST 47 | 8 Se La Sal Jct Arpt, UT | MESONET STATION BIVU1 BIG INDIAN VALLEY. |
| May 21, 3:20 PM MDT | NON-TSTM WND GST 49 | Goulding, UT | MESONET STATION UTMVY SR-163 AT MP 0.5 MONUMENT VALLEY. |
| May 21, 3:52 PM MDT | NON-TSTM WND GST 59 | 1 N Milford, UT | ASOS STATION KMLF MILFORD. |
| May 21, 4:00 PM MDT | NON-TSTM WND GST 56 | 9 Nnw La Sal, UT | MESONET STATION LSL 9.4 NW LA SAL (AVALANCHE). |
| May 21, 4:13 PM MDT | NON-TSTM WND GST 58 | 2 Nw Cedar City, UT | ASOS STATION KCDC CEDAR CITY. |
| May 21, 6:20 PM MDT | NON-TSTM WND GST 50 | 8 Se La Sal Jct Arpt, UT | MESONET STATION BIVU1 BIG INDIAN VALLEY. |
| May 22, 3:55 PM MDT | NON-TSTM WND GST 45 | 1 E Blanding Muni Arpt, UT | AWOS STATION KBDG BLANDING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 6.2 hours before the alert went out and 245 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
- 25 J/kg
- Mixed-layer CIN
- -345 J/kg
- Mixed-layer LCL
- 1620 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
204 WWUS85 KSLC 171812 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 1212 PM MDT Mon May 17 2021 UTZ495-497-498-181200- /O.NEW.KSLC.FW.W.0009.210519T1700Z-210521T0300Z/ /O.NEW.KSLC.FW.A.0006.210521T1500Z-210522T0300Z/ Color Country West Desert-Mojave Desert-Grand Staircase- 1212 PM MDT Mon May 17 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 9 PM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 495, 497, AND 498... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 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 11 AM Wednesday to 9 PM MDT Thursday. A Fire Weather Watch has also been issued. This Fire Weather Watch for wind and low relative humidity is in effect from Friday morning through Friday evening. * AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert, Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * TIMING...Winds will be the strongest from noon until early evening Wednesday and Thursday with winds relaxing during the nighttime hours. * WINDS...South southwest winds 15-20 mph with gusts over 30 mph on Wednesday and 20-25 mph with gusts to 35-45 mph Thursday and potentially Friday. * RELATIVE HUMIDITY...Near 10 percent Wednesday and Thursday, and likely below 15 percent Friday. * IMPACTS...Any fires that develop could 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. A Fire Weather Watch means that there is a potential for critical fire weather conditions. Continue to monitor for the latest forecasts and for possible Red Flag Warnings. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
19 follow-up statements
031 WWUS85 KSLC 181011 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 411 AM MDT Tue May 18 2021 UTZ495-497-498-182200- /O.CON.KSLC.FW.W.0009.210519T1700Z-210521T0300Z/ /O.CON.KSLC.FW.A.0006.210521T1500Z-210522T0300Z/ Color Country West Desert-Mojave Desert-Grand Staircase- 411 AM MDT Tue May 18 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO 9 PM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 495, 497, AND 498... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 495, 497, AND 498... * AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert, Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * TIMING...Winds will be the strongest from noon until early evening Wednesday and Thursday with winds relaxing during the nighttime hours. Expect stronger winds on Thursday than Wednesday. * WINDS...South 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that there is a potential for critical fire weather conditions. Continue to monitor for the latest forecasts and for possible Red Flag Warnings. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
702 WWUS85 KSLC 182125 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 325 PM MDT Tue May 18 2021 UTZ495-497-498-191400- /O.CAN.KSLC.FW.A.0006.210521T1500Z-210522T0300Z/ /O.EXT.KSLC.FW.W.0009.210519T1700Z-210522T0300Z/ Color Country West Desert-Mojave Desert-Grand Staircase- 325 PM MDT Tue May 18 2021 ...RED FLAG WARNING NOW IN EFFECT FROM 11 AM WEDNESDAY TO 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 495, 497, AND 498... * AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert, Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. * WINDS...South 20 to 30 mph with gusts up to 40 mph Wednesday, then increasing to 25 to 35 with gusts in excess of 50 mph Thursday. Southwest winds 20 to 30 mph with gusts to 40 mph again Friday. * RELATIVE HUMIDITY...As low as 7 percent each afternoon with poor overnight recovery. * IMPACTS...Any fires that develop could 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. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
104 WWUS85 KSLC 190932 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 332 AM MDT Wed May 19 2021 UTZ495-497-498-192200- /O.CON.KSLC.FW.W.0009.210519T1700Z-210522T0300Z/ Color Country West Desert-Mojave Desert-Grand Staircase- 332 AM MDT Wed May 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 495, 497, AND 498... * AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert, Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be less and winds may remain gusty. * WINDS...South 20 to 30 mph with gusts up to 40 mph Wednesday, then increasing to 25 to 35 with gusts in excess of 50 mph Thursday. Southwest winds 20 to 30 mph with gusts to 45 mph again Friday. * RELATIVE HUMIDITY...As low as 7 percent each afternoon with poor overnight recovery. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
338 WWUS85 KSLC 191647 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 1047 AM MDT Wed May 19 2021 UTZ495-200100- /O.CON.KSLC.FW.W.0009.210519T1700Z-210522T0300Z/ Color Country West Desert- 1047 AM MDT Wed May 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 495... * AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be poor and winds will remain gusty overnight. * WINDS...South 30 to 40 mph with gusts up to 65 mph on Thursday. Otherwise, south 15 to 25 with gusts 30 to 40 mph today and on Friday. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ497-498-200100- /O.CON.KSLC.FW.W.0009.210519T1700Z-210522T0300Z/ Mojave Desert-Grand Staircase- 1047 AM MDT Wed May 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 497 AND 498... * AFFECTED AREA...Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be poor and winds will remain gusty overnight. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph Thursday and Friday. Otherwise, 15 to 25 mph with gusts 30 to 40 mph today. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
941 WWUS85 KSLC 191918 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 118 PM MDT Wed May 19 2021 UTZ489-496-200330- /O.EXB.KSLC.FW.W.0009.210520T1600Z-210522T0300Z/ San Rafael Swell-Color Country Mountains- 118 PM MDT Wed May 19 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THURSDAY TO 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489 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 10 AM Thursday to 9 PM MDT Friday. * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 496 Color Country Mountains. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be poor and winds will remain gusty overnight. * WINDS...South 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ495-200330- /O.CON.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Color Country West Desert- 118 PM MDT Wed May 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 495... * AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be poor and winds will remain gusty overnight. * WINDS...South 30 to 40 mph with gusts up to 65 mph on Thursday. Otherwise, south 15 to 25 with gusts 30 to 40 mph today and on Friday. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ497-498-200330- /O.CON.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Mojave Desert-Grand Staircase- 118 PM MDT Wed May 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 497 AND 498... * AFFECTED AREA...Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be poor and winds will remain gusty overnight. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph Thursday and Friday. Otherwise, 15 to 25 mph with gusts 30 to 40 mph today. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...Any fires that develop could 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. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
132 WWUS85 KSLC 200619 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 1219 AM MDT Thu May 20 2021 UTZ495-201200- /O.CON.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Color Country West Desert- 1219 AM MDT Thu May 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 495... * AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be poor and winds will remain gusty overnight. * WINDS...South 30 to 40 mph with gusts up to 65 mph on Thursday. Otherwise, south 15 to 25 with gusts 30 to 40 mph today and on Friday. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ497-498-201200- /O.CON.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Mojave Desert-Grand Staircase- 1219 AM MDT Thu May 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 497 AND 498... * AFFECTED AREA...Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be poor and winds will remain gusty overnight. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph Thursday and Friday. Otherwise, 15 to 25 mph with gusts 30 to 40 mph today. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ489-496-201200- /O.CON.KSLC.FW.W.0009.210520T1600Z-210522T0300Z/ San Rafael Swell-Color Country Mountains- 1219 AM MDT Thu May 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489 AND 496... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 496 Color Country Mountains. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be poor and winds will remain gusty overnight. * WINDS...South 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
301 WWUS85 KSLC 201135 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 535 AM MDT Thu May 20 2021 UTZ495-202200- /O.CON.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Color Country West Desert- 535 AM MDT Thu May 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 495... * AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be poor and winds will remain gusty overnight. * WINDS...South 30 to 40 mph with gusts up to 65 mph on Thursday. Otherwise, south 25 to 35 with gusts to 50 mph on Friday. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ497-498-202200- /O.CON.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Mojave Desert-Grand Staircase- 535 AM MDT Thu May 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 497 AND 498... * AFFECTED AREA...Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be poor and winds will remain gusty overnight. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph Thursday and Friday. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ489-496-202200- /O.CON.KSLC.FW.W.0009.210520T1600Z-210522T0300Z/ San Rafael Swell-Color Country Mountains- 535 AM MDT Thu May 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489 AND 496... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 496 Color Country Mountains. * TIMING...Red Flag conditions are expected to develop by late morning each day and continue until sunset, with lighter winds and some overnight RH recovery each night. Above inversions, humidity recovery will be poor and winds will remain gusty overnight. * WINDS...South 25 to 35 mph with gusts up to 55 mph both today and Friday. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Any fires that develop could 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. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
934 WWUS85 KSLC 202103 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 303 PM MDT Thu May 20 2021 UTZ488-493-494-210515- /O.EXB.KSLC.FW.W.0009.210521T1500Z-210523T0300Z/ Manti National Forest-Central Utah Mountains-Henry Mountains- 303 PM MDT Thu May 20 2021 ...RED FLAG WARNING IN EFFECT FROM 9 AM FRIDAY TO 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 488, 493, AND 494... The National Weather Service in Salt Lake City has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 9 AM Friday to 9 PM MDT Saturday. * AFFECTED AREA...Fire Weather Zone 488 Manti National Forest, Fire Weather Zone 493 Central Utah Mountains and Fire Weather Zone 494 Henry Mountains. * TIMING...9 AM MDT Friday to 9 PM MDT Saturday. Poor overnight recoveries expected Friday night. * WINDS...South 30 to 40 mph with gusts up to 60 mph. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ492-210515- /O.EXA.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Central Utah West Desert- 303 PM MDT Thu May 20 2021 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 492... The National Weather Service in Salt Lake City has issued a Red Flag Warning for wind and low relative humidity, which is in effect until 9 PM MDT Friday. * AFFECTED AREA...Fire Weather Zone 492 Central Utah West Desert. * TIMING...Through 9 PM MDT Friday, with poor overnight recoveries. * WINDS...Southwest 25 to 35 mph with gusts 50 to 60 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ495-210515- /O.EXT.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ Color Country West Desert- 303 PM MDT Thu May 20 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 495... * AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert. * TIMING...Through 9 PM MDT Saturday, with poor overnight recoveries. * WINDS...South 30 to 40 mph with gusts up to 65 mph on today. Otherwise, south 25 to 35 with gusts to 55 mph on Friday. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ489-496-210515- /O.EXT.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ San Rafael Swell-Color Country Mountains- 303 PM MDT Thu May 20 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489 AND 496... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 496 Color Country Mountains. * TIMING...Through 9 PM MDT Saturday, with poor overnight recoveries. * WINDS...South 25 to 35 mph with gusts 50 to 60 mph. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ498-210515- /O.EXT.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ Grand Staircase- 303 PM MDT Thu May 20 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 498... * AFFECTED AREA...Fire Weather Zone 498 Grand Staircase. * TIMING...Through 9 PM MDT Saturday, with poor overnight recoveries. * WINDS...Southwest 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 5 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ497-210515- /O.CON.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Mojave Desert- 303 PM MDT Thu May 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 497... * AFFECTED AREA...Fire Weather Zone 497 Mojave Desert. * TIMING...Through 9 PM MDT Friday, with poor overnight recoveries. * WINDS...South 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Any fires that develop could 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. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
393 WWUS85 KSLC 210910 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 310 AM MDT Fri May 21 2021 UTZ488-493-494-212200- /O.CON.KSLC.FW.W.0009.210521T1500Z-210523T0300Z/ Manti National Forest-Central Utah Mountains-Henry Mountains- 310 AM MDT Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 488, 493, AND 494... * AFFECTED AREA...Fire Weather Zone 488 Manti National Forest, Fire Weather Zone 493 Central Utah Mountains and Fire Weather Zone 494 Henry Mountains. * TIMING...9 AM MDT Friday to 9 PM MDT Saturday. Poor overnight recoveries expected Friday night. * WINDS...South 30 to 40 mph with gusts up to 60 mph. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ489-495-496-498-212200- /O.CON.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ San Rafael Swell-Color Country West Desert- Color Country Mountains-Grand Staircase- 310 AM MDT Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 495... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 495 Color Country West Desert, Fire Weather Zone 496 Color Country Mountains and Fire Weather Zone 498 Grand Staircase. * TIMING...Through 9 PM MDT Saturday, with poor overnight recoveries. * WINDS...South 30 to 40 mph with gusts up to 65 mph on today. Otherwise, south 25 to 35 with gusts to 55 mph on Friday. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ492-212200- /O.CON.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Central Utah West Desert- 310 AM MDT Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 492... * AFFECTED AREA...Fire Weather Zone 492 Central Utah West Desert. * TIMING...Through 9 PM MDT Friday, with poor overnight recoveries. * WINDS...Southwest 25 to 35 mph with gusts 50 to 60 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ497-212200- /O.CON.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Mojave Desert- 310 AM MDT Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 497... * AFFECTED AREA...Fire Weather Zone 497 Mojave Desert. * TIMING...Through 9 PM MDT Friday, with poor overnight recoveries. * WINDS...South 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Any fires that develop could 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. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
959 WWUS85 KSLC 212120 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 320 PM MDT Fri May 21 2021 UTZ498-220530- /O.EXT.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ Grand Staircase- 320 PM MDT Fri May 21 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 498... * AFFECTED AREA...Fire Weather Zone 498 Grand Staircase. * TIMING...Through 9 PM MDT Saturday, with poor overnight recoveries. * WINDS...Southwest 25 to 35 mph with gusts up to 55 mph today. Saturday and Sunday, west to southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 7 percent today. Saturday and Sunday, as low as 10 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ488-493-494-220530- /O.CON.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ Manti National Forest-Central Utah Mountains-Henry Mountains- 320 PM MDT Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 488, 493, AND 494... * AFFECTED AREA...Fire Weather Zone 488 Manti National Forest, Fire Weather Zone 493 Central Utah Mountains and Fire Weather Zone 494 Henry Mountains. * TIMING...9 AM MDT Friday to 9 PM MDT Saturday. Poor overnight recoveries expected Friday night. * WINDS...South 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ489-495-496-220530- /O.CON.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ San Rafael Swell-Color Country West Desert- Color Country Mountains- 320 PM MDT Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489, 495, AND 496... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 495 Color Country West Desert and Fire Weather Zone 496 Color Country Mountains. * TIMING...Through 9 PM MDT Saturday, with poor overnight recoveries. * WINDS...South 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ492-220300- /O.CON.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Central Utah West Desert- 320 PM MDT Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 492... * AFFECTED AREA...Fire Weather Zone 492 Central Utah West Desert. * TIMING...Through 9 PM MDT Friday, with poor overnight recoveries. * WINDS...South 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ497-220300- /O.CON.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Mojave Desert- 320 PM MDT Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 497... * AFFECTED AREA...Fire Weather Zone 497 Mojave Desert. * TIMING...Through 9 PM MDT Friday, with poor overnight recoveries. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
405 WWUS85 KSLC 220303 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 903 PM MDT Fri May 21 2021 UTZ492-497-220415- /O.EXP.KSLC.FW.W.0009.000000T0000Z-210522T0300Z/ Central Utah West Desert-Mojave Desert- 903 PM MDT Fri May 21 2021 ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 492 AND 497... Winds are decreasing and humidity increasing across the area, thus the Red Flag Warning has been allowed to expire. $$ UTZ488-493-494-221200- /O.CON.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ Manti National Forest-Central Utah Mountains-Henry Mountains- 903 PM MDT Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 488, 493, AND 494... * AFFECTED AREA...Fire Weather Zone 488 Manti National Forest, Fire Weather Zone 493 Central Utah Mountains and Fire Weather Zone 494 Henry Mountains. * TIMING...Through 9 PM MDT Saturday. Poor overnight recoveries expected Friday night. * WINDS...South 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ489-495-496-221200- /O.CON.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ San Rafael Swell-Color Country West Desert- Color Country Mountains- 903 PM MDT Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489, 495, AND 496... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 495 Color Country West Desert and Fire Weather Zone 496 Color Country Mountains. * TIMING...Through 9 PM MDT Saturday, with poor overnight recoveries. * WINDS...South 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ498-221200- /O.CON.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ Grand Staircase- 903 PM MDT Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 498... * AFFECTED AREA...Fire Weather Zone 498 Grand Staircase. * TIMING...Through 9 PM MDT Saturday, with poor overnight recoveries. * WINDS...Southwest 25 to 35 mph with gusts up to 55 mph today. Saturday and Sunday, west to southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 7 percent today. Saturday and Sunday, as low as 10 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
574 WWUS85 KSLC 220831 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 231 AM MDT Sat May 22 2021 UTZ488-493-494-222145- /O.CON.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ Manti National Forest-Central Utah Mountains-Henry Mountains- 231 AM MDT Sat May 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 488, 493, AND 494... * AFFECTED AREA...Fire Weather Zone 488 Manti National Forest, Fire Weather Zone 493 Central Utah Mountains and Fire Weather Zone 494 Henry Mountains. * TIMING...Through 9 PM MDT Saturday. * WINDS...South 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ489-495-496-222145- /O.CON.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ San Rafael Swell-Color Country West Desert- Color Country Mountains- 231 AM MDT Sat May 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489, 495, AND 496... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 495 Color Country West Desert and Fire Weather Zone 496 Color Country Mountains. * TIMING...Through 9 PM MDT Saturday. * WINDS...South 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ498-222145- /O.CON.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ Grand Staircase- 231 AM MDT Sat May 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 498... * AFFECTED AREA...Fire Weather Zone 498 Grand Staircase. * TIMING...Through 9 PM MDT Sunday, with poor overnight recoveries. * WINDS...Southwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that develop could 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. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
340 WWUS85 KSLC 222112 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 312 PM MDT Sat May 22 2021 UTZ489-496-230600- /O.EXT.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ San Rafael Swell-Color Country Mountains- 312 PM MDT Sat May 22 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489 AND 496... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 496 Color Country Mountains. * TIMING...Through 9 PM MDT Sunday, with poor overnight recoveries. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ498-230600- /O.CON.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ Grand Staircase- 312 PM MDT Sat May 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 498... * AFFECTED AREA...Fire Weather Zone 498 Grand Staircase. * TIMING...Through 9 PM MDT Sunday, with poor overnight recoveries. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ488-493-494-230300- /O.CON.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ Manti National Forest-Central Utah Mountains-Henry Mountains- 312 PM MDT Sat May 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 488, 493, AND 494... * AFFECTED AREA...Fire Weather Zone 488 Manti National Forest, Fire Weather Zone 493 Central Utah Mountains and Fire Weather Zone 494 Henry Mountains. * TIMING...Through 9 PM MDT today. * WINDS...South 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ495-230300- /O.CON.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ Color Country West Desert- 312 PM MDT Sat May 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 495... * AFFECTED AREA...Fire Weather Zone 495 Color Country West Desert. * TIMING...Through 9 PM MDT today. * WINDS...Southwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Any fires that develop could 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. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
468 WWUS85 KSLC 230243 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 843 PM MDT Sat May 22 2021 UTZ488-493-494-230345- /O.EXP.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ Manti National Forest-Central Utah Mountains-Henry Mountains- 843 PM MDT Sat May 22 2021 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 488, 493, AND 494... Winds continue to diminish this evening, and humidity will improve overnight, therefore critical fire weather conditions are no longer expected. $$ UTZ495-230345- /O.EXP.KSLC.FW.W.0009.000000T0000Z-210523T0300Z/ Color Country West Desert- 843 PM MDT Sat May 22 2021 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 495... Winds continue to diminish this evening, and humidity will improve overnight, therefore critical fire weather conditions are no longer expected. $$ UTZ489-496-498-231045- /O.CON.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ San Rafael Swell-Color Country Mountains-Grand Staircase- 843 PM MDT Sat May 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489, 496, AND 498... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 496 Color Country Mountains and Fire Weather Zone 498 Grand Staircase. * TIMING...Through 9 PM MDT Sunday, with poor overnight recoveries. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
214 WWUS85 KSLC 230818 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 218 AM MDT Sun May 23 2021 UTZ489-496-498-231630- /O.CON.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ San Rafael Swell-Color Country Mountains-Grand Staircase- 218 AM MDT Sun May 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489, 496, AND 498... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 496 Color Country Mountains and Fire Weather Zone 498 Grand Staircase. * TIMING...Through 9 PM MDT this evening. * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could 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. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
916 WWUS85 KSLC 231507 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 907 AM MDT Sun May 23 2021 UTZ489-496-498-240300- /O.CON.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ San Rafael Swell-Color Country Mountains-Grand Staircase- 907 AM MDT Sun May 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489, 496, AND 498... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 496 Color Country Mountains and Fire Weather Zone 498 Grand Staircase. * TIMING...Through 9 PM MDT this evening. * WINDS...Southwest 15 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
214 WWUS85 KSLC 232029 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 229 PM MDT Sun May 23 2021 UTZ498-241200- /O.NEW.KSLC.FW.W.0011.210526T1800Z-210527T0400Z/ /O.CON.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ Grand Staircase- 229 PM MDT Sun May 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 498... ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 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 noon to 10 PM MDT Wednesday. * AFFECTED AREA...Fire Weather Zone 498 Grand Staircase. * TIMING...Through 9 PM MDT this evening. * WINDS...Southwest 15 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ497-241200- /O.NEW.KSLC.FW.W.0010.210525T2000Z-210526T0400Z/ Mojave Desert- 229 PM MDT Sun May 23 2021 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM MDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 497... The National Weather Service in Salt Lake City has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 2 PM to 10 PM MDT Tuesday. * AFFECTED AREA...Fire Weather Zone 497 Mojave Desert. * TIMING...From 2 PM MDT to 10 PM MDT Wednesday. * WINDS...Southwest 15 to 20 mph with gusts over 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ489-496-240300- /O.CON.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ San Rafael Swell-Color Country Mountains- 229 PM MDT Sun May 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489 AND 496... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 496 Color Country Mountains. * TIMING...Through 9 PM MDT this evening. * WINDS...Southwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could 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. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
826 WWUS85 KSLC 232038 AAA RFWSLC URGENT - FIRE WEATHER MESSAGE...UPDATED National Weather Service Salt Lake City UT 238 PM MDT Sun May 23 2021 UTZ498-241200- /O.CON.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ /O.CON.KSLC.FW.W.0011.210526T1800Z-210527T0400Z/ Grand Staircase- 238 PM MDT Sun May 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 498... ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 498... * AFFECTED AREA...Fire Weather Zone 498 Grand Staircase. * TIMING...Through 9 PM MDT this evening and also from noon to 10 PM MDT Wednesday. * WINDS...Southwest 15 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ UTZ489-496-240300- /O.CON.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ San Rafael Swell-Color Country Mountains- 238 PM MDT Sun May 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489 AND 496... * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 496 Color Country Mountains. * TIMING...Through 9 PM MDT this evening. * WINDS...Southwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ497-241200- /O.CON.KSLC.FW.W.0010.210525T2000Z-210526T0400Z/ Mojave Desert- 238 PM MDT Sun May 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM MDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 497... * AFFECTED AREA...Fire Weather Zone 497 Mojave Desert. * TIMING...From 2 PM MDT to 10 PM MDT Tuesday. * WINDS...Southwest 15 to 20 mph with gusts over 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity
671 WWUS85 KSLC 240240 RFWSLC URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 840 PM MDT Sun May 23 2021 UTZ498-241045- /O.EXP.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ /O.CON.KSLC.FW.W.0011.210526T1800Z-210527T0400Z/ Grand Staircase- 840 PM MDT Sun May 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 498... * AFFECTED AREA...Fire Weather Zone 498 Grand Staircase. * TIMING...From noon to 10 PM MDT Wednesday. * WINDS...Southwest 15 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could 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. && $$ UTZ489-496-240345- /O.EXP.KSLC.FW.W.0009.000000T0000Z-210524T0300Z/ San Rafael Swell-Color Country Mountains- 840 PM MDT Sun May 23 2021 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 489 AND 496... Winds and humidity will continue to improve this evening and critical fire weather conditions are no longer expected. $$ UTZ497-241045- /O.CON.KSLC.FW.W.0010.210525T2000Z-210526T0400Z/ Mojave Desert- 840 PM MDT Sun May 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM MDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 497... * AFFECTED AREA...Fire Weather Zone 497 Mojave Desert. * TIMING...From 2 PM MDT to 10 PM MDT Tuesday. * WINDS...Southwest 15 to 20 mph with gusts over 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop could 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 |
|---|---|---|---|---|
| May 16, 7:30 PM MDT | Special Weather Statement | SLC | Salt Lake | 60 min |
| May 17, 12:12 PM MDT | Fire Weather Watch | SLC | Beaver, Garfield, Iron, Kane, San Juan, Washington and 1 more | 27 hr |
| May 17, 1:08 PM MDT | Special Weather Statement | SLC | Kane | 52 min |
| May 17, 1:46 PM MDT | Special Weather Statement | SLC | Salt Lake | 44 min |
| May 17, 1:54 PM MDT | Special Weather Statement | SLC | Wasatch | 51 min |
| May 17, 2:27 PM MDT | Areal Flood Advisory | SLC | Washington | 93 min |
| May 17, 4:43 PM MDT | Special Weather Statement | SLC | Weber | 32 min |
Nearby
Red Flag Warnings in Utah, 2021Every red flag warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.