Alert archive / Utah / Red Flag Warnings in 2018

Red Flag Warning 3, NWS Salt Lake City, UT

June 7, 201813 counties in Utah

NWS Salt Lake City, UT issued this red flag warning at Jun 7, 2018, 3:10 PM MDT for 13 counties in Utah. It took effect at Jun 9, 2018, 12:00 PM MDT. It was in force for 36 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 7, 2018, 3:10 PM MDT (21:10 UTC)
In effect from
Jun 9, 2018, 12:00 PM MDT
Expired
Jun 11, 2018, 12:00 AM MDT
In force
36 hr
Issued by
NWS Salt Lake City, UT

Counties Beaver County, UT, Carbon County, UT, Duchesne County, UT, Emery County, UT, Garfield County, UT, Iron County, UT, Kane County, UT, Millard County, UT, Piute County, UT, San Juan County, UT, Sevier County, UT, Washington County, UT, Wayne County, UT

The radar

The Cedar City radar (KICX), 135 km from the middle of the area, began a volume at 21:10 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, 9.2 hours before the alert went out and 261 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.

Skew-T log-pSkew-T log-p diagram, Salt Lake City I, UT at 12:00Z on 2018-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 12:00Z on 2018-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3857 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

506 
WWUS85 KSLC 072110
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
310 PM MDT Thu Jun 7 2018

UTZ489-081200-
/O.UPG.KSLC.FW.A.0001.180609T1800Z-180611T0300Z/
/O.NEW.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
/O.CON.KSLC.FW.W.0002.000000T0000Z-180608T0300Z/
San Rafael Swell-
310 PM MDT Thu Jun 7 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 489...
..RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MDT 
SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER 
ZONE 489...

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 Saturday to midnight MDT Sunday night. The Fire
Weather Watch is no longer in effect.

* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell.

* WINDS...South winds 10-20 mph with gusts up to 30 mph today.
  South winds 15-25 mph with gusts up to 35 mph Saturday, shifting
  to the west on Sunday.

* RELATIVE HUMIDITY...Afternoon mins of 10 percent or less. Poor
  humidity recovery at night. 

* 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.

&&

$$

UTZ497-498-081200-
/O.UPG.KSLC.FW.A.0001.180609T1800Z-180611T0300Z/
/O.NEW.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
Mojave Desert-Grand Staircase-
310 PM MDT Thu Jun 7 2018

...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MDT
SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 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 noon Saturday to midnight MDT Sunday night. The Fire
Weather Watch is no longer in effect.

* AFFECTED AREA...Fire Weather Zone 497 Mojave Desert and Fire 
  Weather Zone 498 Grand Staircase.

* WINDS...Southwest winds 15-25 mph with gusts over 40 mph.

* RELATIVE HUMIDITY...Afternoon mins of 10 percent or less. Poor
  humidity recovery at night.

* 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.

&&

$$

UTZ484-081200-
/O.UPG.KSLC.FW.A.0001.180609T1800Z-180611T0300Z/
/O.NEW.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
Tavaputs Plateau-
310 PM MDT Thu Jun 7 2018

...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MDT
SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONE 484 BELOW 6000 FEET...

The National Weather Service in Salt Lake City has issued a Red
Flag Warning below 6000 feet for wind and low relative humidity,
which is in effect from noon Saturday to midnight MDT Sunday
night. The Fire Weather Watch is no longer in effect.

* AFFECTED AREA...Fire Weather Zone 484 Tavaputs Plateau below 
  6000 feet.

* WINDS...South winds 15-25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...Afternoon mins of less than 15 percent. Poor
  humidity recovery at night. 

* 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.

&&

$$

UTZ495-081200-
/O.NEW.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
Color Country West Desert-
310 PM MDT Thu Jun 7 2018

...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MDT
SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONE 495...

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 Saturday to midnight MDT Sunday night.

* AFFECTED AREA...Fire Weather Zone 495 Color Country West 
  Desert.

* WINDS...Southwest 20 to 30 with gusts around 50 mph

* RELATIVE HUMIDITY...Afternoon mins of around 10 percent. Poor
  humidity recovery at night.

* 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. 

&&

$$

UTZ482-081200-
/O.NEW.KSLC.FW.W.0003.180610T1200Z-180611T0600Z/
Western Uintah Basin-
310 PM MDT Thu Jun 7 2018

...RED FLAG WARNING IN EFFECT FROM 6 AM SUNDAY TO MIDNIGHT MDT
SUNDAY 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 6 AM Sunday to midnight MDT Sunday night.

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin.

* WINDS...West 20 to 30 mph with gusts around 45 mph.

* RELATIVE HUMIDITY...Mins less than 15 percent Sunday, gradually  
  increasing Sunday evening.

* 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.

&&

$$

UTZ493-494-081200-
/O.NEW.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
Central Utah Mountains-Henry Mountains-
310 PM MDT Thu Jun 7 2018

...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MDT
SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 493 AND 494 BELOW 6000 FEET...

The National Weather Service in Salt Lake City has issued a Red
Flag Warning below 6000 feet for wind and low relative humidity,
which is in effect from noon Saturday to midnight MDT Sunday
night.

* AFFECTED AREA...Fire Weather Zone 493 Central Utah Mountains 
  below 6000 feet and Fire Weather Zone 494 Henry Mountains 
  below 6000 feet.

* WINDS...South 20 to 30 mph with gusts around 45 mph.

* RELATIVE HUMIDITY...Afternoon mins less than 15 percent. Poor
  humidity recovery at night. 

* 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
6 follow-up statements
527 
WWUS85 KSLC 080931
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
331 AM MDT Fri Jun 8 2018

UTZ489-495-497-498-082215-
/O.CON.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
San Rafael Swell-Color Country West Desert-Mojave Desert-
Grand Staircase-
331 AM MDT Fri Jun 8 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 489...495...497 AND 498...

* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell...Fire 
  Weather Zone 495 Color Country West Desert...Fire Weather Zone 
  497 Mojave Desert and Fire Weather Zone 498 Grand Staircase.

* WINDS...Southwest 20 to 30 with gusts around 45 mph.

* RELATIVE HUMIDITY...Afternoon mins of around 10 percent. Poor 
  humidity recovery at night.

* 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.

&&

$$

UTZ482-082215-
/O.CON.KSLC.FW.W.0003.180610T1200Z-180611T0600Z/
Western Uintah Basin-
331 AM MDT Fri Jun 8 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 6 AM SUNDAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONE 482...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin.

* WINDS...West 20 to 30 mph with gusts around 40 mph.

* RELATIVE HUMIDITY...Mins less than 15 percent Sunday, 
  gradually increasing Sunday evening.

* 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.

&&

$$

UTZ484-493-494-082215-
/O.CON.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
Tavaputs Plateau-Central Utah Mountains-Henry Mountains-
331 AM MDT Fri Jun 8 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 484...493 AND 494 BELOW 6000 FEET...

* AFFECTED AREA...Fire Weather Zone 484 Tavaputs Plateau below 
  6000 feet...Fire Weather Zone 493 Central Utah Mountains below 
  6000 feet and Fire Weather Zone 494 Henry Mountains below 6000 
  feet.

* WINDS...South winds 15-25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...Afternoon mins of less than 15 percent. 
  Poor humidity recovery at night.

* 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
404 
WWUS85 KSLC 082228
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
428 PM MDT Fri Jun 8 2018

UTZ489-495-497-498-091100-
/O.CON.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
San Rafael Swell-Color Country West Desert-Mojave Desert-
Grand Staircase-
428 PM MDT Fri Jun 8 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 489...495...497 AND 498...

* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell...Fire 
  Weather Zone 495 Color Country West Desert...Fire Weather Zone 
  497 Mojave Desert and Fire Weather Zone 498 Grand Staircase.

* WINDS...Southwest 20 to 30 with gusts around 45 mph.

* RELATIVE HUMIDITY...Afternoon mins of around 10 percent. Poor 
  humidity recovery at night.

* 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.

&&

$$

UTZ482-091100-
/O.CON.KSLC.FW.W.0003.180610T1200Z-180611T0600Z/
Western Uintah Basin-
428 PM MDT Fri Jun 8 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 6 AM SUNDAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONE 482...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin.

* WINDS...West 20 to 30 mph with gusts around 40 mph.

* RELATIVE HUMIDITY...Mins less than 15 percent Sunday, 
  gradually increasing Sunday evening.

* 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.

&&

$$

UTZ484-493-494-091100-
/O.CON.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
Tavaputs Plateau-Central Utah Mountains-Henry Mountains-
428 PM MDT Fri Jun 8 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 484...493 AND 494 BELOW 6000 FEET...

* AFFECTED AREA...Fire Weather Zone 484 Tavaputs Plateau below 
  6000 feet...Fire Weather Zone 493 Central Utah Mountains below 
  6000 feet and Fire Weather Zone 494 Henry Mountains below 6000 
  feet.

* WINDS...South winds 15-25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...Afternoon mins of less than 15 percent. 
  Poor humidity recovery at night.

* 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
008 
WWUS85 KSLC 090912
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
312 AM MDT Sat Jun 9 2018

UTZ482-092200-
/O.EXT.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
Western Uintah Basin-
312 AM MDT Sat Jun 9 2018

...RED FLAG WARNING NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT
SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONE 482...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin.

* WINDS...Southwest 15 to 25 mph with gusts around 35 mph Saturday
  becoming west 20 to 30 mph with gusts to 40 mph Sunday.

* RELATIVE HUMIDITY...Afternoon mins of less than 15 percent. 
  Poor humidity recovery at night.

* 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.

&&

$$

UTZ489-495-497-498-092200-
/O.CON.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
San Rafael Swell-Color Country West Desert-Mojave Desert-
Grand Staircase-
312 AM MDT Sat Jun 9 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 489...495...497 AND 498...

* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell...Fire 
  Weather Zone 495 Color Country West Desert...Fire Weather Zone 
  497 Mojave Desert and Fire Weather Zone 498 Grand Staircase.

* WINDS...Southwest 20 to 30 with gusts over 40 mph.

* RELATIVE HUMIDITY...Afternoon mins of around 10 percent. Poor 
  humidity recovery at night.

* 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.

&&

$$

UTZ484-493-494-092200-
/O.CON.KSLC.FW.W.0003.180609T1800Z-180611T0600Z/
Tavaputs Plateau-Central Utah Mountains-Henry Mountains-
312 AM MDT Sat Jun 9 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT SUNDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 484...493 AND 494 BELOW 6000 FEET...

* AFFECTED AREA...Fire Weather Zone 484 Tavaputs Plateau below 
  6000 feet...Fire Weather Zone 493 Central Utah Mountains below 
  6000 feet and Fire Weather Zone 494 Henry Mountains below 6000 
  feet.

* WINDS...South winds 15-25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...Afternoon mins of less than 15 percent. 
  Poor humidity recovery at night.

* 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
909 
WWUS85 KSLC 092114
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
314 PM MDT Sat Jun 9 2018

UTZ482-489-495-497-498-101300-
/O.CON.KSLC.FW.W.0003.000000T0000Z-180611T0600Z/
Western Uintah Basin-San Rafael Swell-Color Country West Desert-
Mojave Desert-Grand Staircase-
314 PM MDT Sat Jun 9 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT SUNDAY
NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
482...489...495...497 AND 498...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin... 
  Fire Weather Zone 489 San Rafael Swell...Fire Weather Zone 495 
  Color Country West Desert...Fire Weather Zone 497 Mojave 
  Desert and Fire Weather Zone 498 Grand Staircase.

* WINDS...Southwest 15 to 25 mph with gusts around 35 mph today 
  becoming west 20 to 30 mph with gusts to 40 mph Sunday.

* RELATIVE HUMIDITY...Afternoon mins of around 10 percent. Poor 
  humidity recovery at night.

* 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.

&&

$$

UTZ484-493-494-101300-
/O.CON.KSLC.FW.W.0003.000000T0000Z-180611T0600Z/
Tavaputs Plateau-Central Utah Mountains-Henry Mountains-
314 PM MDT Sat Jun 9 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT SUNDAY
NIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
484...493 AND 494 BELOW 6000 FEET...

* AFFECTED AREA...Fire Weather Zone 484 Tavaputs Plateau below 
  6000 feet...Fire Weather Zone 493 Central Utah Mountains below 
  6000 feet and Fire Weather Zone 494 Henry Mountains below 6000 
  feet.

* WINDS...South winds 15-25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...Afternoon mins of less than 15 percent. 
  Poor humidity recovery at night.

* 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
950 
WWUS85 KSLC 100923
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
323 AM MDT Sun Jun 10 2018

UTZ482-489-495-497-498-101730-
/O.CON.KSLC.FW.W.0003.000000T0000Z-180611T0600Z/
Western Uintah Basin-San Rafael Swell-Color Country West Desert-
Mojave Desert-Grand Staircase-
323 AM MDT Sun Jun 10 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 482...
489...495...497 AND 498...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin... 
  Fire Weather Zone 489 San Rafael Swell...Fire Weather Zone 495 
  Color Country West Desert...Fire Weather Zone 497 Mojave 
  Desert and Fire Weather Zone 498 Grand Staircase.

* WINDS...Southwest 15 to 25 mph with gusts around 35 mph 
  becoming west to northwest 20 to 30 mph with gusts to 40 mph.

* RELATIVE HUMIDITY...Afternoon mins of around 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.

&&

$$

UTZ484-493-494-101730-
/O.CON.KSLC.FW.W.0003.000000T0000Z-180611T0600Z/
Tavaputs Plateau-Central Utah Mountains-Henry Mountains-
323 AM MDT Sun Jun 10 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 484...
493 AND 494 BELOW 6000 FEET...

* AFFECTED AREA...Fire Weather Zone 484 Tavaputs Plateau below 
  6000 feet...Fire Weather Zone 493 Central Utah Mountains below 
  6000 feet and Fire Weather Zone 494 Henry Mountains below 6000 
  feet.

* WINDS...Southwest winds 15-25 mph with gusts up to 40 mph
  becoming west-northwest.

* RELATIVE HUMIDITY...Afternoon mins of less than 15 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
635 
WWUS85 KSLC 101527
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
927 AM MDT Sun Jun 10 2018

UTZ482-489-495-497-498-110600-
/O.CON.KSLC.FW.W.0003.000000T0000Z-180611T0600Z/
Western Uintah Basin-San Rafael Swell-Color Country West Desert-
Mojave Desert-Grand Staircase-
927 AM MDT Sun Jun 10 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 482...
489...495...497 AND 498...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin... 
  Fire Weather Zone 489 San Rafael Swell...Fire Weather Zone 495 
  Color Country West Desert...Fire Weather Zone 497 Mojave 
  Desert and Fire Weather Zone 498 Grand Staircase.

* WINDS...Southwest 15 to 25 mph with gusts around 35 mph 
  becoming west to northwest 20 to 30 mph with gusts to 40 mph.

* RELATIVE HUMIDITY...Afternoon mins of around 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.

&&

$$

UTZ484-493-494-110600-
/O.CON.KSLC.FW.W.0003.000000T0000Z-180611T0600Z/
Tavaputs Plateau-Central Utah Mountains-Henry Mountains-
927 AM MDT Sun Jun 10 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 484...
493 AND 494 BELOW 6000 FEET...

* AFFECTED AREA...Fire Weather Zone 484 Tavaputs Plateau below 
  6000 feet...Fire Weather Zone 493 Central Utah Mountains below 
  6000 feet and Fire Weather Zone 494 Henry Mountains below 6000 
  feet.

* WINDS...Southwest winds 15-25 mph with gusts up to 40 mph 
  becoming west-northwest.

* RELATIVE HUMIDITY...Afternoon mins of less than 15 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.

IssuedProductOfficeCountiesLasted
Jun 7, 3:34 AM MDTFire Weather WatchSLCCarbon, Duchesne, Emery, Garfield, Kane, San Juan and 2 more12 hr
Jun 7, 3:34 AM MDTRed Flag WarningSLCCarbon, Emery17 hr

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.