Alert archive / Utah / Red Flag Warnings in 2016

Red Flag Warning 10, NWS Salt Lake City, UT

August 5, 201615 counties in Utah

NWS Salt Lake City, UT issued this red flag warning at Aug 5, 2016, 2:47 AM MDT for 15 counties in Utah. It took effect at Aug 5, 2016, 12:00 PM MDT. It was in force for 12 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 5, 2016, 2:47 AM MDT (08:47 UTC)
In effect from
Aug 5, 2016, 12:00 PM MDT
Expired
Aug 6, 2016, 12:00 AM MDT
In force
12 hr
Issued by
NWS Salt Lake City, UT

Counties Box Elder County, UT, Cache County, UT, Davis County, UT, Duchesne County, UT, Juab County, UT, Millard County, UT, Morgan County, UT, Rich County, UT, Salt Lake County, UT, Sanpete County, UT, Summit County, UT, Tooele County, UT, Utah County, UT, Wasatch County, UT, Weber County, UT

The radar

The Salt Lake City radar (KMTX), 86 km from the middle of the area, began a volume at 08:47 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 00:00Z, 8.8 hours before the alert went out and 19 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 00:00Z on 2016-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2016-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3713 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

805 
WWUS85 KSLC 050847
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
247 AM MDT FRI AUG 5 2016

UTZ478-479-492-052200-
/O.UPG.KSLC.FW.A.0005.160805T1800Z-160806T0600Z/
/O.NEW.KSLC.FW.W.0010.160805T1800Z-160806T0600Z/
SALT LAKE DESERT-WASATCH MOUNTAINS-CENTRAL UTAH WEST DESERT-
247 AM MDT FRI AUG 5 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT
TONIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE
WEATHER ZONES 478...479 AND 492...

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 NOON TODAY TO MIDNIGHT MDT TONIGHT. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONE 478 SALT LAKE DESERT...FIRE 
  WEATHER ZONE 479 WASATCH MOUNTAINS AND FIRE WEATHER ZONE 492 
  CENTRAL UTAH WEST DESERT.

* THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED DRY THUNDERSTORMS
  ARE EXPECTED TO DEVELOP THIS AFTERNOON AND CONTINUE THROUGH THE
  EVENING HOURS.

* OUTFLOW WINDS...GUSTS IN EXCESS OF 40 MPH WILL BE POSSIBLE 
  WITH SOME OF THE STORMS.

* 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.

&&

$$

UTZ480-052200-
/O.NEW.KSLC.FW.W.0010.160805T1800Z-160806T0600Z/
UINTA MOUNTAINS-
247 AM MDT FRI AUG 5 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT
TONIGHT FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE
WEATHER ZONE 480...

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 NOON TODAY TO MIDNIGHT MDT TONIGHT.

* AFFECTED AREA...FIRE WEATHER ZONE 480 UINTA MOUNTAINS.

* THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED DRY THUNDERSTORMS
  ARE EXPECTED TO DEVELOP THIS AFTERNOON AND CONTINUE THROUGH THE
  EVENING HOURS.

* OUTFLOW WINDS...GUSTS IN EXCESS OF 40 MPH WILL BE POSSIBLE 
  WITH SOME OF THE STORMS.

* 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.

&&

$$

ROGOWSKI

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
1 follow-up statement
602 
WWUS85 KSLC 052048
RFWSLC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
248 PM MDT FRI AUG 5 2016

UTZ478-492-061100-
/O.NEW.KSLC.FW.A.0006.160807T1800Z-160808T0300Z/
/O.CON.KSLC.FW.W.0010.000000T0000Z-160806T0600Z/
SALT LAKE DESERT-CENTRAL UTAH WEST DESERT-
248 PM MDT FRI AUG 5 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER
ZONES 478 AND 492...
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 478 AND 492...

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 SUNDAY AFTERNOON THROUGH SUNDAY EVENING.

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

* WINDS...SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS OVER 30 MPH
  WILL DEVELOP SUNDAY AFTERNOON INTO SUNDAY EVENING.

* RELATIVE HUMIDITY...MINIMUM RELATIVE HUMIDITIES IN THE 8-15
  PERCENT RANGE WILL BE COMMON ON SUNDAY.

* THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED DRY THUNDERSTORMS
  ARE EXPECTED THROUGH THE EVENING HOURS TODAY.

* OUTFLOW WINDS...GUSTS IN EXCESS OF 40 MPH WILL BE POSSIBLE 
  WITH SOME OF THE STORMS TODAY.

* IMPACTS...THE THREAT OF LIGHTNING AND GUSTY WINDS IN ADDITION TO
  VERY DRY CONDITIONS WILL BRING THE POTENTIAL FOR ADDITIONAL FIRE
  STARTS THROUGH THIS EVENING. GUSTY WINDS AND LOW RELATIVE
  HUMIDITY WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS ON
  SUNDAY.

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 DRY THUNDERSTORMS 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.

&&

$$

UTZ479-480-060600-
/O.CON.KSLC.FW.W.0010.000000T0000Z-160806T0600Z/
WASATCH MOUNTAINS-UINTA MOUNTAINS-
248 PM MDT FRI AUG 5 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER
ZONES 479 AND 480...

* AFFECTED AREA...FIRE WEATHER ZONE 479 WASATCH MOUNTAINS AND 
  FIRE WEATHER ZONE 480 UINTA MOUNTAINS.

* THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED DRY THUNDERSTORMS
  ARE EXPECTED THROUGH THE EVENING HOURS TODAY.

* OUTFLOW WINDS...GUSTS IN EXCESS OF 40 MPH WILL BE POSSIBLE 
  WITH SOME OF THE STORMS.

* 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 DRY THUNDERSTORMS 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
Aug 5, 2:48 PM MDTFire Weather WatchSLCBox Elder, Davis, Juab, Millard, Salt Lake, Sanpete and 2 more31 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.