Alert archive / Utah / Red Flag Warnings in 2011

Red Flag Warning 13, NWS Salt Lake City, UT

July 15, 2011

NWS Salt Lake City, UT issued this red flag warning at Jul 15, 2011, 3:03 AM MDT. It took effect at Jul 16, 2011, 12:00 PM MDT. It was in force for 20 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 15, 2011, 3:03 AM MDT (09:03 UTC)
In effect from
Jul 16, 2011, 12:00 PM MDT
Expired
Jul 17, 2011, 8:20 AM MDT
In force
20 hr
Issued by
NWS Salt Lake City, UT

The text

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

328 
WWUS85 KSLC 150903
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
303 AM MDT FRI JUL 15 2011

UTZ439-152100-
/O.CAN.KSLC.FW.W.0012.000000T0000Z-110716T0400Z/
/O.UPG.KSLC.FW.A.0006.110716T1800Z-110717T0400Z/
/O.NEW.KSLC.FW.W.0013.110716T1800Z-110717T0400Z/
UTAHS DIXIE AND ZION CANYON-
303 AM MDT FRI JUL 15 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT SATURDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 439...
...RED FLAG WARNING IS CANCELLED FOR TODAY FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 439...

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 SATURDAY. THE RED FLAG WARNING FOR
TODAY HAS BEEN CANCELLED. THE FIRE WEATHER WATCH IS NO LONGER IN
EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONE 439 UTAHS DIXIE AND ZION 
  CANYON. 

* WINDS...SOUTHEAST 10 TO 20 MPH WITH GUSTS OVER 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 8 PERCENT.

* IMPACTS...THERE IS THE POTENTIAL FOR A COMBINATION OF GUSTY
  WINDS AND LOW RELATIVE HUMIDITY VALUES TO CREATE CRITICAL FIRE
  WEATHER CONDITIONS FOR SATURDAY AFTERNOON AND EVENING.


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.

&&

$$

UTZ435-440-152100-
/O.UPG.KSLC.FW.A.0006.110716T1800Z-110717T0400Z/
/O.NEW.KSLC.FW.W.0013.110716T1800Z-110717T0400Z/
SOUTHWEST DESERTS AND MOUNTAINS-SOUTH CENTRAL UTAH-
303 AM MDT FRI JUL 15 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT SATURDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 435 AND
440 BELOW 7500 FEET...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A RED
FLAG WARNING IN AREAS BELOW 7500 FEET FOR WIND AND LOW RELATIVE
HUMIDITY... WHICH IS IN EFFECT FROM NOON TO 10 PM MDT SATURDAY.
THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONE 435 SOUTHWEST DESERTS AND 
  MOUNTAINS BELOW 7500 FEET AND FIRE WEATHER ZONE 440 SOUTH 
  CENTRAL UTAH BELOW 7500 FEET.

* WINDS...SOUTH 15 TO 20 MPH WITH GUSTS OVER 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.

* IMPACTS...COMBINATION OF GUSTY WINDS AND LOW RELATIVE HUMIDITY
  VALUES WILL CREATE CRITICAL FIRE WEATHER CONDITIONS FOR SATURDAY
  AFTERNOON AND EVENING.

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/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
6 follow-up statements
119 
WWUS85 KSLC 152008
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
208 PM MDT FRI JUL 15 2011

UTZ439-160815-
/O.CON.KSLC.FW.W.0013.110716T1800Z-110717T0400Z/
UTAHS DIXIE AND ZION CANYON-
208 PM MDT FRI JUL 15 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT
SATURDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE 439...

* AFFECTED AREA...FIRE WEATHER ZONE 439 UTAHS DIXIE AND ZION 
  CANYON.

* WINDS...SOUTHEAST 10 TO 20 MPH WITH GUSTS OVER 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 8 PERCENT.

* IMPACTS...THERE IS THE POTENTIAL FOR A COMBINATION OF GUSTY 
  WINDS AND LOW RELATIVE HUMIDITY VALUES TO CREATE CRITICAL 
  FIRE WEATHER CONDITIONS FOR SATURDAY AFTERNOON AND EVENING.

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.

&&

$$

UTZ435-440-160815-
/O.CON.KSLC.FW.W.0013.110716T1800Z-110717T0400Z/
SOUTHWEST DESERTS AND MOUNTAINS-SOUTH CENTRAL UTAH-
208 PM MDT FRI JUL 15 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM MDT
SATURDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONES 435 AND
440 BELOW 7500 FEET...

* AFFECTED AREA...FIRE WEATHER ZONE 435 SOUTHWEST DESERTS AND 
  MOUNTAINS BELOW 7500 FEET AND FIRE WEATHER ZONE 440 SOUTH 
  CENTRAL UTAH BELOW 7500 FEET.

* WINDS...SOUTH 15 TO 20 MPH WITH GUSTS OVER 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.

* IMPACTS...COMBINATION OF GUSTY WINDS AND LOW RELATIVE 
  HUMIDITY VALUES WILL CREATE CRITICAL FIRE WEATHER CONDITIONS 
  FOR SATURDAY AFTERNOON AND EVENING. 

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/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
300 
WWUS85 KSLC 160852
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
252 AM MDT SAT JUL 16 2011

UTZ439-162200-
/O.CON.KSLC.FW.W.0013.110716T1800Z-110717T0400Z/
UTAHS DIXIE AND ZION CANYON-
252 AM MDT SAT JUL 16 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM
MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE
439...

* AFFECTED AREA...FIRE WEATHER ZONE 439 UTAHS DIXIE AND ZION 
  CANYON. 

* WINDS...SOUTHWEST 10 TO 15 MPH WITH GUSTS OVER 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 7 PERCENT.

* IMPACTS...A COMBINATION OF GUSTY WINDS AND LOW RELATIVE HUMIDITY
  VALUES WILL CREATE AREAS OF CRITICAL FIRE WEATHER CONDITIONS FOR
  THIS AFTERNOON AND EVENING.

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.

&&

$$

UTZ435-440-162200-
/O.CON.KSLC.FW.W.0013.110716T1800Z-110717T0400Z/
SOUTHWEST DESERTS AND MOUNTAINS-SOUTH CENTRAL UTAH-
252 AM MDT SAT JUL 16 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM
MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONES
435 AND 440 BELOW 7500 FEET...

* AFFECTED AREA...FIRE WEATHER ZONE 435 SOUTHWEST DESERTS AND 
  MOUNTAINS BELOW 7500 FEET AND FIRE WEATHER ZONE 440 SOUTH 
  CENTRAL UTAH BELOW 7500 FEET. 

* WINDS...SOUTH 10 TO 20 MPH WITH GUSTS OVER 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 8 PERCENT.

* IMPACTS...A COMBINATION OF GUSTY WINDS AND LOW RELATIVE HUMIDITY
  VALUES WILL CREATE AREAS OF CRITICAL FIRE WEATHER CONDITIONS FOR
  THIS AFTERNOON AND EVENING.

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/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
080 
WWUS85 KSLC 162056
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
256 PM MDT SAT JUL 16 2011

UTZ439-170400-
/O.EXT.KSLC.FW.W.0013.000000T0000Z-110718T0300Z/
UTAHS DIXIE AND ZION CANYON-
256 PM MDT SAT JUL 16 2011

...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT SUNDAY FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 439...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 9 PM MDT SUNDAY. 

* AFFECTED AREA...FIRE WEATHER ZONE 439 UTAHS DIXIE AND ZION 
  CANYON. 

* WINDS...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 7 PERCENT.

* IMPACTS...A COMBINATION OF GUSTY WINDS AND LOW RELATIVE HUMIDITY
  VALUES WILL CREATE AREAS OF CRITICAL FIRE WEATHER CONDITIONS FOR
  THIS AFTERNOON AND EVENING. WINDS WILL DECREASE OVERNIGHT WITH
  POOR HUMIDITY RECOVERIES. CRITICAL FIRE WEATHER CONDITIONS WILL
  REDEVELOP SUNDAY AFTERNOON AND CONTINUE THROUGH SUNDAY EVENING.

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.

&&

$$

UTZ435-440-170400-
/O.CON.KSLC.FW.W.0013.000000T0000Z-110717T0400Z/
SOUTHWEST DESERTS AND MOUNTAINS-SOUTH CENTRAL UTAH-
256 PM MDT SAT JUL 16 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
435 AND 440 BELOW 7500 FEET...

* AFFECTED AREA...FIRE WEATHER ZONE 435 SOUTHWEST DESERTS AND 
  MOUNTAINS BELOW 7500 FEET AND FIRE WEATHER ZONE 440 SOUTH 
  CENTRAL UTAH BELOW 7500 FEET. 

* WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 8 PERCENT.

* IMPACTS...A COMBINATION OF GUSTY WINDS AND LOW RELATIVE 
  HUMIDITY VALUES WILL CREATE AREAS OF CRITICAL FIRE WEATHER 
  CONDITIONS FOR THIS AFTERNOON AND EVENING. 

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/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
998 
WWUS85 KSLC 170504
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1104 PM MDT SAT JUL 16 2011

UTZ439-171100-
/O.CON.KSLC.FW.W.0013.000000T0000Z-110718T0300Z/
UTAHS DIXIE AND ZION CANYON-
1104 PM MDT SAT JUL 16 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 439...

* AFFECTED AREA...FIRE WEATHER ZONE 439 UTAHS DIXIE AND ZION 
  CANYON.

* WINDS...SOUTH TO SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 
  MPH.

* RELATIVE HUMIDITY...AS LOW AS 7 PERCENT.

* IMPACTS...A COMBINATION OF GUSTY WINDS AND LOW RELATIVE
  HUMIDITY VALUES WILL CREATE AREAS OF CRITICAL FIRE WEATHER 
  CONDITIONS FOR THIS AFTERNOON AND EVENING. WINDS WILL 
  DECREASE OVERNIGHT WITH POOR HUMIDITY RECOVERIES. CRITICAL 
  FIRE WEATHER CONDITIONS WILL REDEVELOP SUNDAY AFTERNOON AND 
  CONTINUE THROUGH SUNDAY EVENING.

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/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
186 
WWUS85 KSLC 170855
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
255 AM MDT SUN JUL 17 2011

UTZ439-172200-
/O.CON.KSLC.FW.W.0013.000000T0000Z-110718T0300Z/
UTAHS DIXIE AND ZION CANYON-
255 AM MDT SUN JUL 17 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 439...

* AFFECTED AREA...FIRE WEATHER ZONE 439 UTAHS DIXIE AND ZION 
  CANYON. 

* WINDS...SOUTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 8 PERCENT.

* IMPACTS...A COMBINATION OF GUSTY WINDS AND LOW RELATIVE HUMIDITY
  VALUES WILL CREATE AREAS OF CRITICAL FIRE WEATHER CONDITIONS FOR
  THIS AFTERNOON AND EVENING. 

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/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
293 
WWUS85 KSLC 171420
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
820 AM MDT SUN JUL 17 2011

UTZ439-171530-
/O.CAN.KSLC.FW.W.0013.000000T0000Z-110718T0300Z/
UTAHS DIXIE AND ZION CANYON-
820 AM MDT SUN JUL 17 2011

...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE ZONE 439...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE
RED FLAG WARNING FOR FIRE ZONE 439 UTAHS DIXIE AND ZION CANYON.

WINDS AND HUMIDITIES ARE NO LONGER EXPECTED TO REACH CRITICAL
VALUES TODAY. HOWEVER...THERE IS A POTENTIAL OF BRIEF STRONG GUSTY
AND ERRATIC OUTFLOW WINDS FROM THUNDERSTORMS IN THIS AREA THIS
AFTERNOON AND EVENING.

$$

UTZ420-434-180230-
/O.NEW.KSLC.FW.W.0014.110717T1800Z-110718T0300Z/
GREAT SALT LAKE DESERT AND MOUNTAINS-
WEST CENTRAL DESERTS AND MOUNTAINS-
820 AM MDT SUN JUL 17 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONES 420 AND
434...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING. 

* AFFECTED AREA: FIRE ZONE 420 GREAT SALT LAKE DESERT AND 
  MOUNTAINS...FIRE ZONE 434 WEST CENTRAL DESERTS AND MOUNTAINS.

* WIND: SOUTH WINDS 15 TO 25 MPH DEVELOPING BY LATE MORNING AND
  CONTINUING THROUGH MID EVENING WITH GUSTS OVER 30 MPH. DRY
  THUNDERSTORMS LATE TODAY AND THIS EVENING IN ZONE 434 COULD
  GENERATE BRIEF GUSTS OVER 50 MPH.

* HUMIDITY: DROPPING BELOW 15 PERCENT AROUND MIDDAY AND AS LOW AS
  ABOUT 9 PERCENT THROUGH THE LATE AFTERNOON. 

* IMPACTS: THE COMBINATION OF WINDS AND LOW HUMIDITY WILL CREATE
  AREAS OF CRITICAL FIRE WEATHER CONDITIONS.

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/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

Nearby

Red Flag Warnings in Utah, 2011Every red flag warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.