Alert archive / Idaho / Red Flag Warnings in 2011

Red Flag Warning 9, NWS Pocatello, ID

September 14, 201115 counties in Idaho

NWS Pocatello, ID issued this red flag warning at Sep 14, 2011, 3:26 AM MDT for 15 counties in Idaho. It took effect at Sep 14, 2011, 12:00 PM MDT. It was in force for 9 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
Sep 14, 2011, 3:26 AM MDT (09:26 UTC)
In effect from
Sep 14, 2011, 12:00 PM MDT
Expired
Sep 14, 2011, 9:00 PM MDT
In force
9 hr
Issued by
NWS Pocatello, ID

Counties Bannock County, ID, Bear Lake County, ID, Bingham County, ID, Bonneville County, ID, Butte County, ID, Caribou County, ID, Clark County, ID, Franklin County, ID, Fremont County, ID, Jefferson County, ID, Lemhi County, ID, Madison County, ID, Oneida County, ID, Power County, ID, Teton County, ID

The radar

The Pocatello radar (KSFX), 49 km from the middle of the area, began a volume at 09:28 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, 9.4 hours before the alert went out and 284 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 2011-09-14Temperature 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 2011-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
3122 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
43 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.

769 
WWUS85 KPIH 140926
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
326 AM MDT WED SEP 14 2011

...A RED FLAG WARNING IS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE
ZONES 410...411 AND 413...

.AN UPPER TROF WILL SLIDE THROUGH EXTREME EASTERN IDAHO TODAY AND
EXPECT SCATTERED THUNDERSTORMS IN THAT REGION THIS AFTERNOON AND
EVENING.


IDZ410-411-413-150300-
/O.NEW.KPIH.FW.W.0009.110914T1800Z-110915T0300Z/
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-
CARIBOU RANGE/CARIBOU NF-
326 AM MDT WED SEP 14 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE ZONES
410...411 AND 413...

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

* AFFECTED AREA: IN IDAHO...FIRE ZONE 410 UPPER SNAKE RIVER 
  VALLEY/IDAHO FALLS BLM...FIRE ZONE 411 CENTENNIAL MOUNTAINS 
  AND SNAKE RIVER RANGE/TARGHEE NF...FIRE ZONE 413 CARIBOU 
  RANGE/CARIBOU NF.

* TIMING:  NOON TODAY THROUGH 9 PM MDT.

* THUNDERSTORMS: WIDELY SCATTERED TO SCATTERED IN COVERAGE.

* OUTFLOW WINDS:  GUSTS TO 30 MPH.

* PRECIPITATION: EXPECT MOST STORMS TO PRODUCE LESS THAN ONE TENTH
  INCH PER 12 HOURS SOME STRONGER STORMS COULD PRODUCE LOCALLY
  HEAVY RAINFALL.

* IMPACTS: DUE TO DRY FUELS...THE THREAT OF NEW FIRE STARTS AS
  WELL AS SPREADING OF EXISTING FIRES DUE TO GUSTY WINDS IS HIGH. 

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.

&&

$$


HTTP://WEATHER.GOV/POCATELLO
2 follow-up statements
664 
WWUS85 KPIH 141954
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
154 PM MDT WED SEP 14 2011

...A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE ZONE 413...

.AN UPPER TROF WILL SLIDE THROUGH EXTREME EASTERN IDAHO TODAY.
EXPECT SCATTERED THUNDERSTORMS IN THAT REGION THIS AFTERNOON AND
EVENING.

IDZ410-411-142100-
/O.CAN.KPIH.FW.W.0009.000000T0000Z-110915T0300Z/
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-
154 PM MDT WED SEP 14 2011

...RED FLAG WARNING IS CANCELLED FOR THUNDERSTORMS AND GUSTY
OUTFLOW WINDS FOR FIRE ZONES 410 AND 411...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS CANCELLED THE RED
FLAG WARNING. 


$$

IDZ413-150300-
/O.CON.KPIH.FW.W.0009.000000T0000Z-110915T0300Z/
CARIBOU RANGE/CARIBOU NF-
154 PM MDT WED SEP 14 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE ZONE 413...

* AFFECTED AREA: IN IDAHO...FIRE ZONE 413 CARIBOU RANGE/CARIBOU 
  NF. 

* TIMING: CONTINUING UNTIL 9 PM MDT.

* THUNDERSTORMS: WIDELY SCATTERED TO SCATTERED IN COVERAGE.

* OUTFLOW WINDS: GUSTS TO 30 MPH. 

* PRECIPITATION: EXPECT MOST STORMS TO PRODUCE LESS THAN ONE
  TENTH INCH PER 12 HOURS SOME STRONGER STORMS COULD PRODUCE 
  LOCALLY HEAVY RAINFALL. 

* IMPACTS: DUE TO DRY FUELS...THE THREAT OF NEW FIRE STARTS AS 
  WELL AS SPREADING OF EXISTING FIRES DUE TO GUSTY WINDS IS 
  HIGH.

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.

&&

$$


HTTP://WEATHER.GOV/POCATELLO
340 
WWUS85 KPIH 150251
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
851 PM MDT WED SEP 14 2011

IDZ413-150400-
/O.EXP.KPIH.FW.W.0009.000000T0000Z-110915T0300Z/
CARIBOU RANGE/CARIBOU NF-
851 PM MDT WED SEP 14 2011

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR 
THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR EASTERN IDAHO FIRE
ZONE 413...


$$


HTTP://WEATHER.GOV/POCATELLO

Nearby

Red Flag Warnings in Idaho, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.