Alert archive / Utah / Red Flag Warnings in 2012

Red Flag Warning 22, NWS Salt Lake City, UT

July 2, 201225 counties in Utah

NWS Salt Lake City, UT issued this red flag warning at Jul 2, 2012, 3:32 PM MDT for 25 counties in Utah. It was in force for 53 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
Jul 2, 2012, 3:32 PM MDT (21:32 UTC)
Expired
Jul 4, 2012, 9:00 PM MDT
In force
53 hr
Issued by
NWS Salt Lake City, UT
All 25 counties

Beaver County, UT, Box Elder County, UT, Cache County, UT, Carbon County, UT, Davis County, UT, Emery County, UT, Garfield County, UT, Iron County, UT, Juab County, UT, Kane County, UT, Millard County, UT, Morgan County, UT, Piute County, UT, Rich County, UT, Salt Lake County, UT, San Juan County, UT, Sanpete County, UT, Sevier County, UT, Summit County, UT, Tooele County, UT, Utah County, UT, Wasatch County, UT, Washington County, UT, Wayne County, UT, Weber County, UT

The radar

The Salt Lake City radar (KMTX), 195 km from the middle of the area, began a volume at 21:37 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, 9.5 hours before the alert went out and 135 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 2012-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.19395878Sfc1 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
2 J/kg
Mixed-layer CIN
-473 J/kg
Mixed-layer LCL
2656 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

388 
WWUS85 KSLC 022132
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
332 PM MDT MON JUL 2 2012

UTZ493-496-031100-
/O.NEW.KSLC.FW.W.0022.120702T2132Z-120704T0300Z/
CENTRAL UTAH MOUNTAINS-COLOR COUNTRY MOUNTAINS-
332 PM MDT MON JUL 2 2012

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT TUESDAY FOR WIND AND
LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 493 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 UNTIL 9 PM MDT TUESDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 493 CENTRAL UTAH MOUNTAINS 
  AND FIRE WEATHER ZONE 496 COLOR COUNTRY MOUNTAINS.

* WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS TO NEAR 35 MPH THROUGH
  MID-EVENING. WINDS WILL DECREASE OVERNIGHT...THEN INCREASE
  RAPIDLY AGAIN ON TUESDAY MORNING.

* RELATIVE HUMIDITY...BETWEEN 6 AND 12 PERCENT WITH POOR HUMIDITY
  RECOVERIES AT NIGHT. 

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND WIDESPREAD
  RELATIVE HUMIDITIES IN THE SINGLE-DIGITS WILL MAINTAIN SEVERE
  FIRE WEATHER CONDITIONS WITH THE POTENTIAL FOR EXPLOSIVE FIRE
  GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

UTZ478-492-495-497-498-031100-
/O.NEW.KSLC.FW.W.0022.120703T1800Z-120704T0300Z/
SALT LAKE DESERT-CENTRAL UTAH WEST DESERT-
COLOR COUNTRY WEST DESERT-MOJAVE DESERT-GRAND STAIRCASE-
332 PM MDT MON JUL 2 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 478...492...
495...497 AND 498...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A RED
FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM NOON TO 9 PM MDT TUESDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 478 SALT LAKE DESERT...FIRE 
  WEATHER ZONE 492 CENTRAL UTAH WEST DESERT...FIRE WEATHER ZONE 
  495 COLOR COUNTRY WEST DESERT...FIRE WEATHER ZONE 497 MOJAVE 
  DESERT AND FIRE WEATHER ZONE 498 GRAND STAIRCASE.

* WINDS...SOUTH TO SOUTHWEST 15 TO 20 MPH WITH GUSTS APPROACHING
  35 MPH.

* RELATIVE HUMIDITY...BETWEEN 5 AND 10 PERCENT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND WIDESPREAD
  RELATIVE HUMIDITIES IN THE SINGLE-DIGITS WILL CREATE SEVERE
  FIRE WEATHER CONDITIONS WITH THE POTENTIAL FOR EXPLOSIVE FIRE
  GROWTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

UTZ479-488-031100-
/O.NEW.KSLC.FW.W.0022.120703T1800Z-120704T0300Z/
WASATCH MOUNTAINS-MANTI LA SAL NATIONAL FOREST-
332 PM MDT MON JUL 2 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 479 AND
488 BELOW 8000 FEET...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A RED
FLAG WARNING BELOW 8000 FEET FOR WIND AND LOW RELATIVE HUMIDITY...
WHICH IS IN EFFECT FROM NOON TO 9 PM MDT TUESDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 479 WASATCH MOUNTAINS BELOW 
  8000 FEET AND FIRE WEATHER ZONE 488 MANTI LA SAL NATIONAL 
  FOREST BELOW 8000 FEET.

* WINDS...SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS NEAR 35 MPH.

* RELATIVE HUMIDITY...BETWEEN 6 AND 12 PERCENT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND RELATIVE
  HUMIDITIES BELOW 15 PERCENT WILL CREATE SEVERE FIRE WEATHER
  CONDITIONS WITH THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
6 follow-up statements
365 
WWUS85 KSLC 031031
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
431 AM MDT TUE JUL 3 2012

UTZ489-031845-
/O.EXA.KSLC.FW.W.0022.120703T1800Z-120704T0300Z/
SAN RAFAEL SWELL-
431 AM MDT TUE JUL 3 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING 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 TODAY TO 9 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 489 SAN RAFAEL SWELL.

* WINDS...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS APPROACHING
  35 MPH.

* RELATIVE HUMIDITY...BETWEEN 5 AND 10 PERCENT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND 
  WIDESPREAD RELATIVE HUMIDITIES IN THE SINGLE-DIGITS WILL 
  CREATE SEVERE FIRE WEATHER CONDITIONS WITH THE POTENTIAL FOR 
  EXPLOSIVE FIRE GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

UTZ493-496-031845-
/O.CON.KSLC.FW.W.0022.000000T0000Z-120704T0300Z/
CENTRAL UTAH MOUNTAINS-COLOR COUNTRY MOUNTAINS-
431 AM MDT TUE JUL 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 493 AND
496...

* AFFECTED AREA...FIRE WEATHER ZONE 493 CENTRAL UTAH MOUNTAINS 
  AND FIRE WEATHER ZONE 496 COLOR COUNTRY MOUNTAINS.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO NEAR 35 MPH THROUGH
  MID-EVENING.

* RELATIVE HUMIDITY...BETWEEN 6 AND 12 PERCENT WITH POOR HUMIDITY
  RECOVERIES TONIGHT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND 
  WIDESPREAD RELATIVE HUMIDITIES IN THE SINGLE-DIGITS WILL 
  MAINTAIN SEVERE FIRE WEATHER CONDITIONS WITH THE POTENTIAL FOR 
  EXPLOSIVE FIRE GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

UTZ478-492-495-497-498-031845-
/O.CON.KSLC.FW.W.0022.120703T1800Z-120704T0300Z/
SALT LAKE DESERT-CENTRAL UTAH WEST DESERT-
COLOR COUNTRY WEST DESERT-MOJAVE DESERT-GRAND STAIRCASE-
431 AM MDT TUE JUL 3 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 478...492...495...497 AND 498...

* AFFECTED AREA...FIRE WEATHER ZONE 478 SALT LAKE DESERT...FIRE 
  WEATHER ZONE 492 CENTRAL UTAH WEST DESERT...FIRE WEATHER ZONE 
  495 COLOR COUNTRY WEST DESERT...FIRE WEATHER ZONE 497 MOJAVE 
  DESERT AND FIRE WEATHER ZONE 498 GRAND STAIRCASE.

* WINDS...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS APPROACHING
  35 MPH.

* RELATIVE HUMIDITY...BETWEEN 5 AND 10 PERCENT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND 
  WIDESPREAD RELATIVE HUMIDITIES IN THE SINGLE-DIGITS WILL 
  CREATE SEVERE FIRE WEATHER CONDITIONS WITH THE POTENTIAL FOR 
  EXPLOSIVE FIRE GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

UTZ479-488-031845-
/O.CON.KSLC.FW.W.0022.120703T1800Z-120704T0300Z/
WASATCH MOUNTAINS-MANTI LA SAL NATIONAL FOREST-
431 AM MDT TUE JUL 3 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 479 AND 488 BELOW 8000 FEET...

* AFFECTED AREA...FIRE WEATHER ZONE 479 WASATCH MOUNTAINS BELOW 
  8000 FEET AND FIRE WEATHER ZONE 488 MANTI LA SAL NATIONAL 
  FOREST BELOW 8000 FEET.

* WINDS...SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS NEAR 35 MPH.

* RELATIVE HUMIDITY...BETWEEN 6 AND 12 PERCENT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND RELATIVE 
  HUMIDITIES BELOW 15 PERCENT WILL CREATE SEVERE FIRE WEATHER 
  CONDITIONS WITH THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
381 
WWUS85 KSLC 032127
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
327 PM MDT TUE JUL 3 2012

UTZ492-041100-
/O.EXT.KSLC.FW.W.0022.000000T0000Z-120705T0300Z/
CENTRAL UTAH WEST DESERT-
327 PM MDT TUE JUL 3 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT WEDNESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 492...

* AFFECTED AREA...FIRE WEATHER ZONE 492 CENTRAL UTAH WEST DESERT.

* WINDS...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS APPROACHING
  35 MPH. WINDS WILL DECREASE SOMEWHAT OVERNIGHT THEN INCREASE
  AGAIN BY WEDNESDAY AFTERNOON.

* RELATIVE HUMIDITY...BETWEEN 5 AND 10 PERCENT INTO THIS EVENING.
  OVERNIGHT RECOVERIES WILL GENERALLY BE POOR...WITH HUMIDITIES
  WEDNESDAY AFTERNOON FALLING AGAIN TO BETWEEN 10 TO 15 PERCENT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND 
  WIDESPREAD RELATIVE HUMIDITIES LESS THAN 15 PERCENT WILL 
  CREATE SEVERE FIRE WEATHER CONDITIONS WITH THE POTENTIAL FOR 
  EXPLOSIVE FIRE GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

UTZ478-489-493-495>498-040300-
/O.CON.KSLC.FW.W.0022.000000T0000Z-120704T0300Z/
SALT LAKE DESERT-SAN RAFAEL SWELL-CENTRAL UTAH MOUNTAINS-
COLOR COUNTRY WEST DESERT-COLOR COUNTRY MOUNTAINS-MOJAVE DESERT-
GRAND STAIRCASE-
327 PM MDT TUE JUL 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 478...
489...493...495...496...497 AND 498...

* AFFECTED AREA...FIRE WEATHER ZONE 478 SALT LAKE DESERT...FIRE 
  WEATHER ZONE 489 SAN RAFAEL SWELL...FIRE WEATHER ZONE 493 
  CENTRAL UTAH MOUNTAINS...FIRE WEATHER ZONE 495 COLOR COUNTRY 
  WEST DESERT...FIRE WEATHER ZONE 496 COLOR COUNTRY MOUNTAINS...
  FIRE WEATHER ZONE 497 MOJAVE DESERT AND FIRE WEATHER ZONE 498 
  GRAND STAIRCASE.

* WINDS...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS APPROACHING 
  35 MPH. 

* RELATIVE HUMIDITY...BETWEEN 5 AND 10 PERCENT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND WIDESPREAD
  RELATIVE HUMIDITIES IN THE SINGLE DIGITS WILL CREATE SEVERE FIRE
  WEATHER CONDITIONS WITH THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

UTZ479-488-040300-
/O.CON.KSLC.FW.W.0022.000000T0000Z-120704T0300Z/
WASATCH MOUNTAINS-MANTI LA SAL NATIONAL FOREST-
327 PM MDT TUE JUL 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 479 AND
488 BELOW 8000 FEET...

* AFFECTED AREA...FIRE WEATHER ZONE 479 WASATCH MOUNTAINS BELOW 
  8000 FEET AND FIRE WEATHER ZONE 488 MANTI LA SAL NATIONAL 
  FOREST BELOW 8000 FEET.

* WINDS...SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS NEAR 35 MPH.

* RELATIVE HUMIDITY...BETWEEN 6 AND 12 PERCENT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND RELATIVE 
  HUMIDITIES BELOW 15 PERCENT WILL CREATE SEVERE FIRE WEATHER 
  CONDITIONS WITH THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
789 
WWUS85 KSLC 040448
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1048 PM MDT TUE JUL 3 2012

UTZ492-041030-
/O.CON.KSLC.FW.W.0022.000000T0000Z-120705T0300Z/
CENTRAL UTAH WEST DESERT-
1048 PM MDT TUE JUL 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT WEDNESDAY
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 492...

* AFFECTED AREA...FIRE WEATHER ZONE 492 CENTRAL UTAH WEST DESERT.

* WINDS...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS APPROACHING
  35 MPH. WINDS WILL DECREASE SOMEWHAT OVERNIGHT THEN INCREASE
  AGAIN BY TOMORROW AFTERNOON.

* RELATIVE HUMIDITY...BETWEEN 5 AND 10 PERCENT INTO THIS EVENING.
  OVERNIGHT RECOVERIES WILL GENERALLY BE POOR...WITH HUMIDITIES
  TOMORROW FTERNOON FALLING AGAIN TO BETWEEN 10 TO 15 PERCENT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND 
  WIDESPREAD RELATIVE HUMIDITIES LESS THAN 15 PERCENT WILL 
  CREATE SEVERE FIRE WEATHER CONDITIONS WITH THE POTENTIAL FOR 
  EXPLOSIVE FIRE GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
412 
WWUS85 KSLC 041032
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
432 AM MDT WED JUL 4 2012

UTZ492-041845-
/O.CON.KSLC.FW.W.0022.000000T0000Z-120705T0300Z/
CENTRAL UTAH WEST DESERT-
432 AM MDT WED JUL 4 2012

...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.

* WINDS...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS APPROACHING
  35 MPH.

* RELATIVE HUMIDITY...BETWEEN 10 TO 15 PERCENT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND 
  WIDESPREAD RELATIVE HUMIDITIES LESS THAN 15 PERCENT WILL 
  CREATE SEVERE FIRE WEATHER CONDITIONS WITH THE POTENTIAL FOR 
  EXPLOSIVE FIRE GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
043 
WWUS85 KSLC 041935
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
135 PM MDT WED JUL 4 2012

UTZ492-050300-
/O.CON.KSLC.FW.W.0022.000000T0000Z-120705T0300Z/
CENTRAL UTAH WEST DESERT-
135 PM MDT WED JUL 4 2012

...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.

* WINDS...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS APPROACHING 
  35 MPH. 

* RELATIVE HUMIDITY...BETWEEN 10 TO 15 PERCENT.

* IMPACTS...VERY DRY FUELS...GUSTY SOUTHERLY WINDS AND 
  WIDESPREAD RELATIVE HUMIDITIES LESS THAN 15 PERCENT WILL 
  CREATE SEVERE FIRE WEATHER CONDITIONS WITH THE POTENTIAL FOR 
  EXPLOSIVE FIRE GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
882 
WWUS85 KSLC 050301
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
901 PM MDT WED JUL 4 2012

UTZ492-050415-
/O.EXP.KSLC.FW.W.0022.000000T0000Z-120705T0300Z/
CENTRAL UTAH WEST DESERT-
901 PM MDT WED JUL 4 2012

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 492...

HUMIDITY CONTINUES TO INCREASE ACROSS THE AREA...THUS THE RED FLAG
WARNING HAS BEEN ALLOWED TO EXPIRE. 

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

Nearby

Red Flag Warnings in Utah, 2012Every red flag warning in 2012

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.