Alert archive / Utah / Red Flag Warnings in 2016

Red Flag Warning 9, NWS Salt Lake City, UT

August 1, 20168 counties in Utah

NWS Salt Lake City, UT issued this red flag warning at Aug 1, 2016, 2:18 PM MDT for 8 counties in Utah. It took effect at Aug 2, 2016, 10:00 AM MDT. It was in force for 17 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
Aug 1, 2016, 2:18 PM MDT (20:18 UTC)
In effect from
Aug 2, 2016, 10:00 AM MDT
Expired
Aug 3, 2016, 3:00 AM MDT
In force
17 hr
Issued by
NWS Salt Lake City, UT

Counties Cache County, UT, Morgan County, UT, Rich County, UT, Salt Lake County, UT, Summit County, UT, Utah County, UT, Wasatch County, UT, Weber County, UT

The radar

The Salt Lake City radar (KMTX), 84 km from the middle of the area, began a volume at 20:20 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, 8.3 hours before the alert went out and 38 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 2016-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 188 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 2016-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
188 J/kg
Mixed-layer CIN
-296 J/kg
Mixed-layer LCL
2533 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

520 
WWUS85 KSLC 012018
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
218 PM MDT MON AUG 1 2016

UTZ479-020430-
/O.NEW.KSLC.FW.W.0009.160802T1600Z-160803T0400Z/
WASATCH MOUNTAINS-
218 PM MDT MON AUG 1 2016

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 10 PM MDT TUESDAY FOR
DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE
479...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A RED
FLAG WARNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS...
WHICH IS IN EFFECT FROM 10 AM TO 10 PM MDT TUESDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 479 WASATCH MOUNTAINS.

* THUNDERSTORMS...ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP TUESDAY.

* OUTFLOW WINDS...GUSTY AND ERRATIC WINDS IN EXCESS OF 40 MPH 
  WILL BE POSSIBLE WITH ANY STORMS THAT DEVELOP.

* IMPACTS...THE THREAT OF LIGHTNING AND GUSTY WINDS IN ADDITION TO
  VERY DRY CONDITIONS WILL BRING THE POTENTIAL OF MULTIPLE NEW
  FIRE STARTS.

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.

&&

$$

UTZ478-020430-
/O.EXB.KSLC.FW.W.0008.160802T1600Z-160803T0400Z/
SALT LAKE DESERT-
218 PM MDT MON AUG 1 2016

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 10 PM MDT TUESDAY FOR
DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE
478...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A RED
FLAG WARNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS...
WHICH IS IN EFFECT FROM 10 AM TO 10 PM MDT TUESDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 478 SALT LAKE DESERT.

* THUNDERSTORMS...ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP TUESDAY.

* OUTFLOW WINDS...GUSTY AND ERRATIC WINDS IN EXCESS OF 40 MPH 
  WILL BE POSSIBLE WITH ANY STORMS THAT DEVELOP.

* IMPACTS...THE THREAT OF LIGHTNING AND GUSTY WINDS IN ADDITION TO
  VERY DRY CONDITIONS WILL BRING THE POTENTIAL OF MULTIPLE NEW
  FIRE STARTS.

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.

&&

$$

UTZ492-020430-
/O.CON.KSLC.FW.W.0008.000000T0000Z-160803T0400Z/
CENTRAL UTAH WEST DESERT-
218 PM MDT MON AUG 1 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT TUESDAY FOR
DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE
492...

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

* THUNDERSTORMS...ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP
  AGAIN TUESDAY.

* OUTFLOW WINDS...GUSTY AND ERRATIC WINDS IN EXCESS OF 40 MPH 
  WILL BE POSSIBLE WITH ANY STORMS THAT DEVELOP.

* IMPACTS...THE THREAT OF LIGHTNING AND GUSTY WINDS IN ADDITION 
  TO VERY DRY CONDITIONS WILL BRING THE POTENTIAL OF MULTIPLE 
  NEW FIRE STARTS.

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)
3 follow-up statements
591 
WWUS85 KSLC 020937
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
337 AM MDT TUE AUG 2 2016

UTZ492-022100-
/O.CON.KSLC.FW.W.0008.000000T0000Z-160803T0400Z/
CENTRAL UTAH WEST DESERT-
337 AM MDT TUE AUG 2 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE
WEATHER ZONE 492...

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

* THUNDERSTORMS...ISOLATED THUNDERSTORMS WILL DEVELOP THIS
  AFTERNOON AND EVENING ACROSS WEST CENTRAL UTAH.

* OUTFLOW WINDS...GUSTY AND ERRATIC WINDS IN EXCESS OF 40 MPH WILL
  BE POSSIBLE IN AND NEAR ANY THUNDERSTORMS.

* IMPACTS...THE THREAT OF LIGHTNING AND GUSTY WINDS IN ADDITION TO
  VERY DRY CONDITIONS WILL BRING THE POTENTIAL FOR ADDITIONAL FIRE
  STARTS.

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.

&&

$$

UTZ478-022100-
/O.CON.KSLC.FW.W.0008.160802T1600Z-160803T0400Z/
SALT LAKE DESERT-
337 AM MDT TUE AUG 2 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
10 PM MDT THIS EVENING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW
WINDS FOR FIRE WEATHER ZONE 478...

* AFFECTED AREA...FIRE WEATHER ZONE 478 SALT LAKE DESERT.

* THUNDERSTORMS...ISOLATED THUNDERSTORMS WILL DEVELOP THIS
  AFTERNOON AND EVENING ACROSS NORTHWEST UTAH.

* OUTFLOW WINDS...GUSTY AND ERRATIC WINDS IN EXCESS OF 40 MPH WILL
  BE POSSIBLE IN AND NEAR ANY THUNDERSTORMS.

* IMPACTS...THE THREAT OF LIGHTNING AND GUSTY WINDS IN ADDITION TO
  VERY DRY CONDITIONS WILL BRING THE POTENTIAL FOR ADDITIONAL FIRE
  STARTS.

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.

&&

$$

UTZ479-022100-
/O.CON.KSLC.FW.W.0009.160802T1600Z-160803T0400Z/
WASATCH MOUNTAINS-
337 AM MDT TUE AUG 2 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
10 PM MDT THIS EVENING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW
WINDS FOR FIRE WEATHER ZONE 479...

* AFFECTED AREA...FIRE WEATHER ZONE 479 WASATCH MOUNTAINS.

* THUNDERSTORMS...ISOLATED THUNDERSTORMS WILL DEVELOP THIS
  AFTERNOON AND EVENING ACROSS THE WASATCH MOUNTAINS.

* OUTFLOW WINDS...GUSTY AND ERRATIC WINDS IN EXCESS OF 40 MPH WILL
  BE POSSIBLE IN AND NEAR ANY THUNDERSTORMS.

* IMPACTS...THE THREAT OF LIGHTNING AND GUSTY WINDS IN ADDITION TO
  VERY DRY CONDITIONS WILL BRING THE POTENTIAL FOR ADDITIONAL FIRE
  STARTS.

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)
637 
WWUS85 KSLC 022055
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
255 PM MDT TUE AUG 2 2016

UTZ478-492-030500-
/O.EXT.KSLC.FW.W.0008.000000T0000Z-160803T0900Z/
SALT LAKE DESERT-CENTRAL UTAH WEST DESERT-
255 PM MDT TUE AUG 2 2016

...RED FLAG WARNING NOW IN EFFECT UNTIL 3 AM MDT WEDNESDAY FOR
DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES
478 AND 492...

* AFFECTED AREA...FIRE WEATHER ZONE 478 SALT LAKE DESERT AND 
  FIRE WEATHER ZONE 492 CENTRAL UTAH WEST DESERT.

* THUNDERSTORMS...ISOLATED THUNDERSTORMS WILL DEVELOP THIS 
  AFTERNOON AND EVENING ACROSS NORTHWEST AND WEST CENTRAL UTAH.

* OUTFLOW WINDS...GUSTY AND ERRATIC WINDS IN EXCESS OF 40 MPH 
  WILL BE POSSIBLE IN AND NEAR ANY THUNDERSTORMS.

* IMPACTS...THE THREAT OF LIGHTNING AND GUSTY WINDS IN ADDITION 
  TO VERY DRY CONDITIONS WILL BRING THE POTENTIAL FOR ADDITIONAL 
  FIRE STARTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LIGHTNING AFTER AN
EXTREMELY DRY PERIOD CAN RESULT IN FIRE STARTS THAT SPREAD
QUICKLY. ADDITIONALLY...ANY GUSTY OUTFLOW WINDS IN THE VICINITY
OF THESE FIRE STARTS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

UTZ479-030500-
/O.EXT.KSLC.FW.W.0009.000000T0000Z-160803T0900Z/
WASATCH MOUNTAINS-
255 PM MDT TUE AUG 2 2016

...RED FLAG WARNING NOW IN EFFECT UNTIL 3 AM MDT WEDNESDAY FOR
DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE
479...

* AFFECTED AREA...FIRE WEATHER ZONE 479 WASATCH MOUNTAINS.

* THUNDERSTORMS...ISOLATED THUNDERSTORMS WILL DEVELOP THIS 
  AFTERNOON AND EVENING ACROSS THE WASATCH MOUNTAINS.

* OUTFLOW WINDS...GUSTY AND ERRATIC WINDS IN EXCESS OF 40 MPH 
  WILL BE POSSIBLE IN AND NEAR ANY THUNDERSTORMS.

* IMPACTS...THE THREAT OF LIGHTNING AND GUSTY WINDS IN ADDITION 
  TO VERY DRY CONDITIONS WILL BRING THE POTENTIAL FOR ADDITIONAL 
  FIRE STARTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LIGHTNING AFTER AN
EXTREMELY DRY PERIOD CAN RESULT IN FIRE STARTS THAT SPREAD
QUICKLY. ADDITIONALLY...ANY GUSTY OUTFLOW WINDS IN THE VICINITY
OF THESE FIRE STARTS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR.


&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
366 
WWUS85 KSLC 030404
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1004 PM MDT TUE AUG 2 2016

UTZ478-492-030900-
/O.CON.KSLC.FW.W.0008.000000T0000Z-160803T0900Z/
SALT LAKE DESERT-CENTRAL UTAH WEST DESERT-
1004 PM MDT TUE AUG 2 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 AM MDT WEDNESDAY
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 478 AND
492...

* AFFECTED AREA...FIRE WEATHER ZONE 478 SALT LAKE DESERT AND 
  FIRE WEATHER ZONE 492 CENTRAL UTAH WEST DESERT.

* THUNDERSTORMS...ISOLATED THUNDERSTORMS WILL DEVELOP THIS 
  AFTERNOON AND EVENING ACROSS NORTHWEST AND WEST CENTRAL UTAH.

* OUTFLOW WINDS...GUSTY AND ERRATIC WINDS IN EXCESS OF 40 MPH 
  WILL BE POSSIBLE IN AND NEAR ANY THUNDERSTORMS.

* IMPACTS...THE THREAT OF LIGHTNING AND GUSTY WINDS IN ADDITION 
  TO VERY DRY CONDITIONS WILL BRING THE POTENTIAL FOR ADDITIONAL 
  FIRE STARTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LIGHTNING AFTER AN
EXTREMELY DRY PERIOD CAN RESULT IN FIRE STARTS THAT SPREAD
QUICKLY. ADDITIONALLY...ANY GUSTY OUTFLOW WINDS IN THE VICINITY
OF THESE FIRE STARTS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

UTZ479-030900-
/O.CON.KSLC.FW.W.0009.000000T0000Z-160803T0900Z/
WASATCH MOUNTAINS-
1004 PM MDT TUE AUG 2 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 AM MDT WEDNESDAY
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 479...

* AFFECTED AREA...FIRE WEATHER ZONE 479 WASATCH MOUNTAINS.

* THUNDERSTORMS...ISOLATED THUNDERSTORMS WILL DEVELOP THIS 
  AFTERNOON AND EVENING ACROSS THE WASATCH MOUNTAINS.

* OUTFLOW WINDS...GUSTY AND ERRATIC WINDS IN EXCESS OF 40 MPH 
  WILL BE POSSIBLE IN AND NEAR ANY THUNDERSTORMS.

* IMPACTS...THE THREAT OF LIGHTNING AND GUSTY WINDS IN ADDITION 
  TO VERY DRY CONDITIONS WILL BRING THE POTENTIAL FOR ADDITIONAL 
  FIRE STARTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LIGHTNING AFTER AN
EXTREMELY DRY PERIOD CAN RESULT IN FIRE STARTS THAT SPREAD
QUICKLY. ADDITIONALLY...ANY GUSTY OUTFLOW WINDS IN THE VICINITY
OF THESE FIRE STARTS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

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

The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 31, 9:20 PM MDTSpecial Weather StatementSLCWashington40 min
Aug 1, 12:15 PM MDTFlash Flood WatchSLC10 hr

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.