Alert archive / Utah / Red Flag Warnings in 2016

Red Flag Warning 3, NWS Salt Lake City, UT

July 4, 2016Carbon County, Duchesne County, Emery County, Utah

NWS Salt Lake City, UT issued this red flag warning at Jul 4, 2016, 2:41 PM MDT for Carbon County, Duchesne County, Emery County, Utah. It took effect at Jul 5, 2016, 12:00 PM MDT. It was in force for 34 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 4, 2016, 2:41 PM MDT (20:41 UTC)
In effect from
Jul 5, 2016, 12:00 PM MDT
Expired
Jul 6, 2016, 10:00 PM MDT
In force
34 hr
Issued by
NWS Salt Lake City, UT

Counties Carbon County, UT, Duchesne County, UT, Emery County, UT

The radar

The Grand Junction radar (KGJX), 213 km from the middle of the area, began a volume at 20:42 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, 8.7 hours before the alert went out and 169 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 2016-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 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 2016-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
32 J/kg
Mixed-layer CIN
-357 J/kg
Mixed-layer LCL
2687 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

292 
WWUS85 KSLC 042041
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
241 PM MDT MON JUL 4 2016

UTZ482-484-051300-
/O.NEW.KSLC.FW.W.0003.160705T1800Z-160707T0400Z/
WESTERN UINTAH BASIN-TAVAPUTS PLATEAU-
241 PM MDT MON JUL 4 2016

...RED FLAG WARNING IN EFFECT FROM NOON TUESDAY TO 10 PM MDT
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 482 AND 484...

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 TUESDAY TO 10 PM MDT WEDNESDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 482 WESTERN UINTAH BASIN AND 
  FIRE WEATHER ZONE 484 TAVAPUTS PLATEAU.

* WINDS...SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS IN EXCESS OF 25
  MPH WILL DEVELOP TUESDAY AFTERNOON. THESE WINDS WILL DIMINISH
  LATE TUESDAY EVENING...BUT REDEVELOP AGAIN WEDNESDAY AFTERNOON. 

* RELATIVE HUMIDITY...MINIMUM HUMIDITY VALUES BELOW 10 PERCENT
  BOTH TUESDAY AND WEDNESDAY WITH MARGINAL OVERNIGHT RECOVERY. 

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY AND GUSTY 
  WINDS WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS TODAY. 

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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
5 follow-up statements
909 
WWUS85 KSLC 050935
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
335 AM MDT TUE JUL 5 2016

UTZ482-484-052345-
/O.CON.KSLC.FW.W.0003.160705T1800Z-160707T0400Z/
WESTERN UINTAH BASIN-TAVAPUTS PLATEAU-
335 AM MDT TUE JUL 5 2016

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

* AFFECTED AREA...FIRE WEATHER ZONE 482 WESTERN UINTA BASIN AND
  FIRE WEATHER ZONE 484 TAVAPUTS PLATEAU.

* WINDS...SOUTHWEST WINDS 15 TO 25 MPH WITH STRONGER GUSTS WILL
  DEVELOP THIS AFTERNOON. THESE WINDS WILL DIMINISH LATE THIS
  EVENING...BUT REDEVELOP AGAIN WEDNESDAY AFTERNOON.

* RELATIVE HUMIDITY...MINIMUM HUMIDITY VALUES BELOW 10 PERCENT
  BOTH TODAY AND WEDNESDAY WITH MARGINAL OVERNIGHT RECOVERY.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY AND GUSTY
  WINDS WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS TODAY AND
  AGAIN WEDNESDAY.

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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
400 
WWUS85 KSLC 052045
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
245 PM MDT TUE JUL 5 2016

UTZ482-484-061200-
/O.CON.KSLC.FW.W.0003.000000T0000Z-160707T0400Z/
WESTERN UINTAH BASIN-TAVAPUTS PLATEAU-
245 PM MDT TUE JUL 5 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT WEDNESDAY
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 482 AND
484...

* AFFECTED AREA...FIRE WEATHER ZONE 482 WESTERN UINTAH BASIN AND 
  FIRE WEATHER ZONE 484 TAVAPUTS PLATEAU.

* WINDS...SOUTHWEST WINDS 15 TO 25 MPH WITH STRONGER GUSTS WILL
  CONTINUE THIS AFTERNOON. THESE WINDS WILL DIMINISH LATE THIS
  EVENING...BUT REDEVELOP AGAIN TOMORROW AFTERNOON.

* RELATIVE HUMIDITY...MINIMUM HUMIDITY VALUES AROUND 10 PERCENT
  BOTH TODAY AND WEDNESDAY WITH MARGINAL OVERNIGHT RECOVERY.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY AND GUSTY
  WINDS WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS THROUGH
  TOMORROW.

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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

ROGOWSKI

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
890 
WWUS85 KSLC 060958
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
358 AM MDT WED JUL 6 2016

UTZ482-484-062200-
/O.CON.KSLC.FW.W.0003.000000T0000Z-160707T0400Z/
WESTERN UINTAH BASIN-TAVAPUTS PLATEAU-
358 AM MDT WED JUL 6 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
482 AND 484...

* AFFECTED AREA...FIRE WEATHER ZONE 482 WESTERN UINTAH BASIN AND 
  FIRE WEATHER ZONE 484 TAVAPUTS PLATEAU.

* WINDS...WEST SOUTHWEST WINDS 15 TO 25 MPH WITH STRONGER GUSTS
  WILL REDEVELOP THIS AFTERNOON. THESE WINDS WILL DIMINISH LATE
  THIS EVENING.

* RELATIVE HUMIDITY...MINIMUM HUMIDITY VALUES AROUND 10 PERCENT TODAY.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY AND GUSTY
  WINDS WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS THROUGH
  EARLY THIS 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
430 
WWUS85 KSLC 062132
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
332 PM MDT WED JUL 6 2016

UTZ482-484-070400-
/O.CON.KSLC.FW.W.0003.000000T0000Z-160707T0400Z/
WESTERN UINTAH BASIN-TAVAPUTS PLATEAU-
332 PM MDT WED JUL 6 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
482 AND 484...

* AFFECTED AREA...FIRE WEATHER ZONE 482 WESTERN UINTAH BASIN AND 
  FIRE WEATHER ZONE 484 TAVAPUTS PLATEAU.

* WINDS...WEST WINDS 15 TO 25 MPH WITH STRONGER GUSTS WILL PERSIST
  INTO EARLY THIS EVENING. WINDS WILL GRADUALLY DIMINISH DURING
  THE MID TO LATE EVENING HOURS.

* RELATIVE HUMIDITY...MINIMUM HUMIDITY VALUES AROUND 10 PERCENT
  LATE THIS AFTERNOON WILL GRADUALLY INCREASE DURING THE EVENING. 

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY AND GUSTY
  WINDS WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS THROUGH THIS
  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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
465 
WWUS85 KSLC 070358
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
958 PM MDT WED JUL 6 2016

UTZ482-484-070500-
/O.EXP.KSLC.FW.W.0003.000000T0000Z-160707T0400Z/
WESTERN UINTAH BASIN-TAVAPUTS PLATEAU-
958 PM MDT WED JUL 6 2016

...RED FLAG WARNING WILL EXPIRE AT 10 PM MDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 482 AND
484...

WINDS WILL CONTINUE TO DIMINISH ACROSS THE AREA THROUGH THE
REMAINDER OF THE EVENING WHILE HUMIDITIES RECOVER...ENDING THE
THREAT FOR CRITICAL FIRE WEATHER CONDITIONS. 

$$

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

Nearby

Red Flag Warnings in Utah, 2016Every red flag warning in 2016

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.