Alert archive / Idaho / Red Flag Warnings in 2012

Red Flag Warning 21, NWS Pocatello, ID

July 31, 20127 counties in Idaho

NWS Pocatello, ID issued this red flag warning at Jul 31, 2012, 10:25 AM MDT for 7 counties in Idaho. It took effect at Jul 31, 2012, 2:00 PM MDT. It was in force for 7 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 31, 2012, 10:25 AM MDT (16:25 UTC)
In effect from
Jul 31, 2012, 2:00 PM MDT
Expired
Jul 31, 2012, 9:00 PM MDT
In force
7 hr
Issued by
NWS Pocatello, ID

Counties Bannock County, ID, Bear Lake County, ID, Bonneville County, ID, Caribou County, ID, Franklin County, ID, Oneida County, ID, Power County, ID

The radar

The Pocatello radar (KSFX), 80 km from the middle of the area, began a volume at 16:26 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.

What was reported inside it

TimeReportWhereRemark
Jul 31, 3:10 PM MDTHAIL 0.58 Sse Rockland, ID

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 12:00Z, 4.4 hours before the alert went out and 202 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 2012-07-31Temperature 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 2012-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
32 J/kg
Mixed-layer CIN
-426 J/kg
Mixed-layer LCL
2190 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
32 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.

333 
WWUS85 KPIH 311625
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
1025 AM MDT TUE JUL 31 2012

...RED FLAG WARNING IN EFFECT FROM 2PM TO 9PM TODAY FOR THUNDERSTORMS
AND GUSTY OUTFLOW WINDS IN FIRE WEATHER ZONE 413...

IDZ413-010300-
/O.NEW.KPIH.FW.W.0021.120731T2000Z-120801T0300Z/
CARIBOU RANGE/CARIBOU NF-
1025 AM MDT TUE JUL 31 2012

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM
MDT THIS EVENING FOR THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR
FIRE ZONE 413...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MDT
THIS EVENING. 

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

* TIMING: 2PM TO 9PM TODAY.  

* THUNDERSTORMS: THE MOST LIKELY AREAS AFFECTED WILL BE AREAS
  SOUTH AND EAST OF POCATELLO SUCH AS LAVAL HOT SPRINGS...WAYAN
  AND THE BEAR LAKE AREA. MORE ISOLATED STORMS ARE EXPECTED
  FARTHER WEST IN THE FIRE ZONE. 

* OUTFLOW WINDS: WIND GUSTS IN EXCESS OF 45 MPH WITH STRONGER
  STORMS. 

* PRECIPITATION: AMOUNTS WILL GENERALLY BE LESS THAN 0.10 INCHES.

* IMPACTS: NEW STARTS DUE TO LIGHTNING. NEW AND EXISTING FIRES
  WOULD SPREAD DUE TO ERRATIC OUTFLOW WINDS. 

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
816 
WWUS85 KPIH 312047
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
247 PM MDT TUE JUL 31 2012

...RED FLAG WARNING IN EFFECT FROM 2PM TO 9PM TODAY FOR
THUNDERSTORMS AND GUSTY OUTFLOW WINDS IN FIRE WEATHER ZONE 413...

IDZ413-010300-
/O.CON.KPIH.FW.W.0021.000000T0000Z-120801T0300Z/
CARIBOU RANGE/CARIBOU NF-
247 PM MDT TUE JUL 31 2012

...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: NOW THROUGH 9PM TODAY.

* THUNDERSTORMS: THE MOST LIKELY AREAS AFFECTED WILL BE AREAS 
  SOUTH AND EAST OF POCATELLO SUCH AS LAVAL HOT SPRINGS...WAYAN 
  AND THE BEAR LAKE AREA. MORE ISOLATED STORMS ARE EXPECTED 
  FARTHER WEST IN THE FIRE ZONE.

* OUTFLOW WINDS: WIND GUSTS IN EXCESS OF 45 MPH WITH STRONGER 
  STORMS.

* PRECIPITATION: AMOUNTS WILL GENERALLY BE LESS THAN 0.10 
  INCHES.

* IMPACTS: NEW STARTS DUE TO LIGHTNING. NEW AND EXISTING FIRES 
  WOULD SPREAD DUE TO ERRATIC OUTFLOW WINDS.

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.

&&

$$

IDZ410-011000-
/O.NEW.KPIH.FW.A.0008.120802T1800Z-120803T0600Z/
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
247 PM MDT TUE JUL 31 2012

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR IDAHO ZONE 410 FOR GUSTY WINDS AND LOW 
HUMIDITY...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING. 

* AFFECTED AREA: IN IDAHO...FIRE ZONE 410 UPPER SNAKE RIVER 
  VALLEY/IDAHO FALLS BLM.

* TIMING: THURSDAY AFTERNOON AND THURSDAY EVENING. 

* WINDS: WEST TO SOUTHWEST 15 TO 25 MPH WITH GUSTS TO AROUND 35
  MPH. 

* HUMIDITY: 10 TO 15 PERCENT.

* IMPACTS: THE COMBINATION OF WINDS AND HUMIDITY COULD PROMOTE
  RAPID FIRE GROWTH FOR ANY NEW OR EXISTING FIRES. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

IDZ475-476-011000-
/O.NEW.KPIH.FW.A.0008.120802T1800Z-120803T0600Z/
EAST SALMON RIVER MOUNTAINS/SALMON NF-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
247 PM MDT TUE JUL 31 2012

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR ALL OF FIRE
WEATHER ZONE 475 AND FOR ZONE 476 BELOW 6000 FEET...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING. 

* AFFECTED AREA: IN IDAHO...FIRE ZONE 475 EAST SALMON RIVER 
  MOUNTAINS/SALMON NF...FIRE ZONE 476 LEMHI AND LOST RIVER 
  RANGE/CHALLIS NF.

* TIMING: THURSDAY AFTERNOON AND THURSDAY EVENING. 

* WINDS: WEST TO SOUTHWEST 10 TO 20 MPH WITH GUSTS TO AROUND 30
  MPH. RIDGETOP WINDS COULD EXCEED 35 MPH AT TIMES. 

* HUMIDITY: 10 TO 20 PERCENT.

* IMPACTS: THE COMBINATION OF WINDS AND HUMIDITY COULD PROMOTE
  RAPID FIRE GROWTH FOR ANY NEW OR EXISTING FIRES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$


HTTP://WEATHER.GOV/POCATELLO
856 
WWUS85 KPIH 010250
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
850 PM MDT TUE JUL 31 2012


IDZ413-010400-
/O.EXP.KPIH.FW.W.0021.000000T0000Z-120801T0300Z/
CARIBOU RANGE/CARIBOU NF-
850 PM MDT TUE JUL 31 2012

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

THE RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING. 

THUNDERSTORMS HAVE MOVED OUT OF THE REGION.



$$

IDZ410-011200-
/O.CON.KPIH.FW.A.0008.120802T1800Z-120803T0600Z/
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
850 PM MDT TUE JUL 31 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR IDAHO ZONE 410 FOR GUSTY WINDS AND
LOW HUMIDITY...

* AFFECTED AREA: IN IDAHO...FIRE ZONE 410 UPPER SNAKE RIVER 
  VALLEY/IDAHO FALLS BLM.

* TIMING: THURSDAY AFTERNOON AND THURSDAY EVENING.

* WINDS: WEST TO SOUTHWEST 15 TO 25 MPH WITH GUSTS TO AROUND 35 
  MPH.

* HUMIDITY: 10 TO 15 PERCENT.

* IMPACTS: THE COMBINATION OF WINDS AND HUMIDITY COULD PROMOTE 
  RAPID FIRE GROWTH FOR ANY NEW OR EXISTING FIRES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

IDZ475-476-011200-
/O.CON.KPIH.FW.A.0008.120802T1800Z-120803T0600Z/
EAST SALMON RIVER MOUNTAINS/SALMON NF-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
850 PM MDT TUE JUL 31 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR ALL
OF FIRE WEATHER ZONE 475 AND FOR ZONE 476 BELOW 6000 FEET...

* AFFECTED AREA: IN IDAHO...FIRE ZONE 475 EAST SALMON RIVER 
  MOUNTAINS/SALMON NF...FIRE ZONE 476 LEMHI AND LOST RIVER 
  RANGE/CHALLIS NF.

* TIMING: THURSDAY AFTERNOON AND THURSDAY EVENING.

* WINDS: WEST TO SOUTHWEST 10 TO 20 MPH WITH GUSTS TO AROUND 30 
  MPH. RIDGETOP WINDS COULD EXCEED 35 MPH AT TIMES.

* HUMIDITY: 10 TO 20 PERCENT.

* IMPACTS: THE COMBINATION OF WINDS AND HUMIDITY COULD PROMOTE 
  RAPID FIRE GROWTH FOR ANY NEW OR EXISTING FIRES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$


HTTP://WEATHER.GOV/POCATELLO

The office that day

Everything else NWS Pocatello, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 31, 2:44 PM MDTSpecial Weather StatementPIHCassia46 min
Jul 31, 2:47 PM MDTFire Weather WatchPIHBingham, Bonneville, Butte, Clark, Custer, Fremont and 7 more23 hr
Jul 31, 3:11 PM MDTSpecial Weather StatementPIHPower64 min
Jul 31, 3:20 PM MDTSpecial Weather StatementPIHBannock55 min
Jul 31, 3:44 PM MDTSpecial Weather StatementPIHTeton61 min
Jul 31, 3:47 PM MDTSpecial Weather StatementPIHBannock58 min
Jul 31, 4:10 PM MDTSpecial Weather StatementPIHCaribou65 min
Jul 31, 4:57 PM MDTSpecial Weather StatementPIHFranklin63 min
Jul 31, 5:33 PM MDTSpecial Weather StatementPIHBear Lake, Franklin42 min

Nearby

Red Flag Warnings in Idaho, 2012Every red flag warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.