Alert archive / Utah / Red Flag Warnings in 2017

Red Flag Warning 6, NWS Salt Lake City, UT

June 20, 20175 counties in Utah

NWS Salt Lake City, UT issued this red flag warning at Jun 20, 2017, 3:09 PM MDT for 5 counties in Utah. It took effect at Jun 21, 2017, 12:00 PM MDT. It was in force for 10 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 20, 2017, 3:09 PM MDT (21:09 UTC)
In effect from
Jun 21, 2017, 12:00 PM MDT
Expired
Jun 21, 2017, 10:00 PM MDT
In force
10 hr
Issued by
NWS Salt Lake City, UT

Counties Beaver County, UT, Garfield County, UT, Iron County, UT, Kane County, UT, Washington County, UT

The radar

The Cedar City radar (KICX), 23 km from the middle of the area, began a volume at 21:09 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

Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 9.2 hours before the alert went out and 288 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, Flgstf/Belemont, AZ at 12:00Z on 2017-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 12:00Z on 2017-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 square meters per square second.1939Sfc1 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
10 J/kg
Mixed-layer CIN
-200 J/kg
Mixed-layer LCL
3369 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
-15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

219 
WWUS85 KSLC 202109
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
309 PM MDT Tue Jun 20 2017

UTZ496-210515-
/O.NEW.KSLC.FW.W.0006.170621T1800Z-170622T0400Z/
/O.NEW.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
Color Country Mountains-
309 PM MDT Tue Jun 20 2017

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 496...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 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 noon to 10 PM MDT Wednesday. a Fire Weather Watch has
also been issued. This Fire Weather Watch for wind and low
relative humidity is in effect from Thursday afternoon through
Thursday evening.

* AFFECTED AREA...Fire Weather Zone 496 Color Country Mountains.

* WINDS...Southwest 10-15 mph with gusts to 25 mph. Winds increase
  out of the west 15-25 mph with gusts to 35 mph Thursday. 

* RELATIVE HUMIDITY...Near 10 percent both days.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ495-210515-
/O.NEW.KSLC.FW.W.0006.170621T1800Z-170622T0400Z/
Color Country West Desert-
309 PM MDT Tue Jun 20 2017

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY
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 to 10 PM MDT Wednesday.

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

* WINDS...Southwest 10-20 mph with gusts to 30 mph.

* RELATIVE HUMIDITY...6 to 8 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ494-498-210515-
/O.NEW.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
Henry Mountains-Grand Staircase-
309 PM MDT Tue Jun 20 2017

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 494 AND 498...

The National Weather Service in Salt Lake City has issued a Fire
Weather Watch for wind and low relative humidity...which is in
effect from Thursday afternoon through Thursday evening.

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains and Fire 
  Weather Zone 498 Grand Staircase.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...6-8 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

UTZ482-484-210515-
/O.NEW.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
Western Uintah Basin-Tavaputs Plateau-
309 PM MDT Tue Jun 20 2017

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 482 AND 484 BELOW 7000 FEET...

The National Weather Service in Salt Lake City has issued a Fire
Weather Watch for wind and low relative humidity...which is in
effect from Thursday afternoon through Thursday evening.

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin and 
  Fire Weather Zone 484 Tavaputs Plateau.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...10-15 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

UTZ488-489-493-210515-
/O.NEW.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
Manti National Forest-San Rafael Swell-Central Utah Mountains-
309 PM MDT Tue Jun 20 2017

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 488...489 AND 493 BELOW 8000 FEET...

The National Weather Service in Salt Lake City has issued a Fire
Weather Watch for wind and low relative humidity...which is in
effect from Thursday afternoon through Thursday evening.

* AFFECTED AREA...Fire Weather Zone 488 Manti National Forest... 
  Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 
  493 Central Utah Mountains.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...10-15 percent mountains, 6-8 percent eastern
  valleys.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Rogowski

For more information from NOAA/National Weather Service visit...
http://weather.gov/saltlakecity
3 follow-up statements
165 
WWUS85 KSLC 210222
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
822 PM MDT Tue Jun 20 2017

UTZ496-211200-
/O.CON.KSLC.FW.W.0006.170621T1800Z-170622T0400Z/
/O.CON.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
Color Country Mountains-
822 PM MDT Tue Jun 20 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONE 496...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONE 496...

* AFFECTED AREA...Fire Weather Zone 496 Color Country Mountains.

* WINDS...Southwest 10-15 mph with gusts to 25 mph Wednesday.
  Winds will likely increase out of the west 15-25 mph with gusts
  to 35 mph Thursday.

* RELATIVE HUMIDITY...Near 10 percent both days.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ495-211200-
/O.CON.KSLC.FW.W.0006.170621T1800Z-170622T0400Z/
Color Country West Desert-
822 PM MDT Tue Jun 20 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONE 495...

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

* WINDS...Southwest 10-20 mph with gusts to 30 mph.

* RELATIVE HUMIDITY...6 to 8 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ494-498-211200-
/O.CON.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
Henry Mountains-Grand Staircase-
822 PM MDT Tue Jun 20 2017

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 494 AND 498...

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains and Fire 
  Weather Zone 498 Grand Staircase.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...6-8 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

UTZ482-484-211200-
/O.CON.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
Western Uintah Basin-Tavaputs Plateau-
822 PM MDT Tue Jun 20 2017

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 482 AND 484 BELOW 7000 FEET...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin and 
  Fire Weather Zone 484 Tavaputs Plateau.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...10-15 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

UTZ488-489-493-211200-
/O.CON.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
Manti National Forest-San Rafael Swell-Central Utah Mountains-
822 PM MDT Tue Jun 20 2017

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 488...489 AND 493 BELOW 8000 FEET...

* AFFECTED AREA...Fire Weather Zone 488 Manti National Forest... 
  Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 
  493 Central Utah Mountains.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...10-15 percent mountains, 6-8 percent 
  eastern valleys.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
568 
WWUS85 KSLC 210928
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
328 AM MDT Wed Jun 21 2017

UTZ496-212200-
/O.UPG.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
/O.NEW.KSLC.FW.W.0007.170622T1800Z-170623T0400Z/
/O.CON.KSLC.FW.W.0006.170621T1800Z-170622T0400Z/
Color Country Mountains-
328 AM MDT Wed Jun 21 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM
MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 496...
...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT THURSDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 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 noon to 10 PM MDT both today and Thursday. The Fire 
Weather Watch is no longer in effect.

* AFFECTED AREA...Fire Weather Zone 496 Color Country Mountains.

* WINDS...Southwest 10-15 mph with gusts to 25 mph today. Winds 
  will likely increase out of the west 15-25 mph with gusts to 35 
  mph Thursday.

* RELATIVE HUMIDITY...Near 10 percent both days.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ494-498-212200-
/O.UPG.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
/O.NEW.KSLC.FW.W.0007.170622T1800Z-170623T0400Z/
Henry Mountains-Grand Staircase-
328 AM MDT Wed Jun 21 2017

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT THURSDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 494 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 to 10 PM MDT Thursday. The Fire Weather Watch is
no longer in effect.

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains and Fire 
  Weather Zone 498 Grand Staircase.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...6-8 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ482-484-212200-
/O.UPG.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
/O.NEW.KSLC.FW.W.0007.170622T1800Z-170623T0400Z/
Western Uintah Basin-Tavaputs Plateau-
328 AM MDT Wed Jun 21 2017

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT THURSDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 482 AND
484 BELOW 7000 FEET...

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 Thursday. The Fire Weather Watch is
no longer in effect.

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin and 
  Fire Weather Zone 484 Tavaputs Plateau.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...10-15 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ488-489-493-212200-
/O.UPG.KSLC.FW.A.0003.170622T1800Z-170623T0400Z/
/O.NEW.KSLC.FW.W.0007.170622T1800Z-170623T0400Z/
Manti National Forest-San Rafael Swell-Central Utah Mountains-
328 AM MDT Wed Jun 21 2017

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT THURSDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 488...
489 AND 493 BELOW 8000 FEET...

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 Thursday. The Fire Weather Watch is
no longer in effect.

* AFFECTED AREA...Fire Weather Zone 488 Manti National Forest... 
  Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 
  493 Central Utah Mountains.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...10-15 percent mountains, 6-8 percent 
  eastern valleys.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ495-212200-
/O.CON.KSLC.FW.W.0006.170621T1800Z-170622T0400Z/
Color Country West Desert-
328 AM MDT Wed Jun 21 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 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.

* WINDS...Southwest 10-20 mph with gusts to 30 mph.

* RELATIVE HUMIDITY...6 to 8 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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
034 
WWUS85 KSLC 212030
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
230 PM MDT Wed Jun 21 2017

UTZ496-220430-
/O.CON.KSLC.FW.W.0006.000000T0000Z-170622T0400Z/
/O.CON.KSLC.FW.W.0007.170622T1800Z-170623T0400Z/
Color Country Mountains-
230 PM MDT Wed Jun 21 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
496...
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT
THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
496...

* AFFECTED AREA...Fire Weather Zone 496 Color Country Mountains.

* WINDS...Southwest 10-15 mph with gusts to 25 mph today. Winds 
  will likely increase out of the west 15-25 mph with gusts to 
  35 mph Thursday.

* RELATIVE HUMIDITY...Near 10 percent both days.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ495-220400-
/O.CON.KSLC.FW.W.0006.000000T0000Z-170622T0400Z/
Color Country West Desert-
230 PM MDT Wed Jun 21 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 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.

* WINDS...Southwest 10-20 mph with gusts to 30 mph.

* RELATIVE HUMIDITY...6 to 8 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ494-498-220430-
/O.CON.KSLC.FW.W.0007.170622T1800Z-170623T0400Z/
Henry Mountains-Grand Staircase-
230 PM MDT Wed Jun 21 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT
THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 494 AND 498...

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains and Fire 
  Weather Zone 498 Grand Staircase.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...6-8 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ482-484-220430-
/O.CON.KSLC.FW.W.0007.170622T1800Z-170623T0400Z/
Western Uintah Basin-Tavaputs Plateau-
230 PM MDT Wed Jun 21 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT
THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 482 AND 484 BELOW 7000 FEET...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin and 
  Fire Weather Zone 484 Tavaputs Plateau.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...10-15 percent.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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.

&&

$$

UTZ488-489-493-220430-
/O.CON.KSLC.FW.W.0007.170622T1800Z-170623T0400Z/
Manti National Forest-San Rafael Swell-Central Utah Mountains-
230 PM MDT Wed Jun 21 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT
THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 488...489 AND 493 BELOW 8000 FEET...

* AFFECTED AREA...Fire Weather Zone 488 Manti National Forest... 
  Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 
  493 Central Utah Mountains.

* WINDS...West Winds 15-25 mph with gusts to 35 mph.

* RELATIVE HUMIDITY...10-15 percent mountains, 6-8 percent 
  eastern valleys.

* IMPACTS...Gusty winds and low humidities will combine to cause 
  critical fire weather conditions.

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 20, 3:09 PM MDTFire Weather WatchSLCBeaver, Carbon, Duchesne, Emery, Garfield, Iron and 9 more12 hr
Jun 20, 3:15 PM MDTSevere Thunderstorm WarningSLCJuab, Tooele75 min
Jun 20, 4:12 PM MDTSpecial Weather StatementSLCBox Elder48 min
Jun 20, 4:27 PM MDTSevere Thunderstorm WarningSLCJuab, Tooele63 min
Jun 20, 4:34 PM MDTSpecial Weather StatementSLCTooele41 min
Jun 20, 5:27 PM MDTSpecial Weather StatementSLCCache48 min
Jun 20, 5:49 PM MDTSpecial Weather StatementSLCSalt Lake41 min

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.