Alert archive / Idaho / Red Flag Warnings in 2012

Red Flag Warning 22, NWS Pocatello, ID

August 1, 201213 counties in Idaho

NWS Pocatello, ID issued this red flag warning at Aug 1, 2012, 1:48 PM MDT for 13 counties in Idaho. It took effect at Aug 2, 2012, 12:00 PM MDT. It was in force for 10 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, 2012, 1:48 PM MDT (19:48 UTC)
In effect from
Aug 2, 2012, 12:00 PM MDT
Expired
Aug 2, 2012, 10:23 PM MDT
In force
10 hr
Issued by
NWS Pocatello, ID

Counties Bingham County, ID, Bonneville County, ID, Butte County, ID, Clark County, ID, Custer County, ID, Fremont County, ID, Idaho County, ID, Jefferson County, ID, Lemhi County, ID, Madison County, ID, Power County, ID, Teton County, ID, Valley County, ID

The radar

The Pocatello radar (KSFX), 107 km from the middle of the area, began a volume at 19:48 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

Boise Airport, ID (KBOI), launched 12:00Z, 7.8 hours before the alert went out and 267 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, Boise Airport, ID at 12:00Z on 2012-08-01Temperature 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, Boise Airport, ID at 12:00Z on 2012-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -69 square meters per square second.19395878Sfc1 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
2843 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-69 m²/s²
0-3 km storm-relative helicity
39 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.

646 
WWUS85 KPIH 011948
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
148 PM MDT WED AUG 1 2012

IDZ410-021000-
/O.UPG.KPIH.FW.A.0008.120802T1800Z-120803T0600Z/
/O.NEW.KPIH.FW.W.0022.120802T1800Z-120803T0600Z/
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
148 PM MDT WED AUG 1 2012

...RED FLAG WARNING IN EFFECT FROM NOON THURSDAY TO MIDNIGHT MDT
THURSDAY NIGHT FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER 
ZONE 410...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON THURSDAY TO MIDNIGHT MDT
THURSDAY NIGHT. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

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

* TIMING: NOON THROUGH MIDNIGHT THURSDAY.

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

* HUMIDITY: 5 TO 15 PERCENT.

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

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.

&&

$$

IDZ475-476-021000-
/O.UPG.KPIH.FW.A.0008.120802T1800Z-120803T0600Z/
/O.NEW.KPIH.FW.W.0022.120802T1800Z-120803T0600Z/
EAST SALMON RIVER MOUNTAINS/SALMON NF-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
148 PM MDT WED AUG 1 2012

...RED FLAG WARNING IN EFFECT FROM NOON THURSDAY TO MIDNIGHT MDT
THURSDAY NIGHT FOR GUSTY WINDS AND LOW HUMIDITY FOR ALL OF FIRE WEATHER
ZONE 475 AND ZONE 476 BELOW 6000 FEET...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON THURSDAY TO MIDNIGHT MDT
THURSDAY NIGHT. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA: IN IDAHO...FIRE ZONE 475 EAST SALMON RIVER 
  MOUNTAINS/SALMON NF...FIRE ZONE 476 LEMHI AND LOST RIVER 
  RANGE/CHALLIS NF BELOW 6000 FEET.

* TIMING: NOON THROUGH MIDNIGHT THURSDAY.

* WINDS: WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 30
  MPH. RIDGETOP WINDS COULD EXCEED 35 MPH AT TIMES.

* HUMIDITY: 5 TO 15 PERCENT.

* IMPACTS: THE COMBINATION OF WINDS AND HUMIDITY WILL PROMOTE
  RAPID FIRE GROWTH ON NEW OR EXISTING FIRES.

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.

&&

$$

IDZ409-021000-
/O.NEW.KPIH.FW.W.0022.120802T1800Z-120803T0600Z/
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM-
148 PM MDT WED AUG 1 2012

...RED FLAG WARNING IN EFFECT FROM NOON THURSDAY TO MIDNIGHT MDT
THURSDAY NIGHT FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE
409...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON THURSDAY TO MIDNIGHT MDT
THURSDAY NIGHT. 

* AFFECTED AREA: IN IDAHO...FIRE ZONE 409 MIDDLE SNAKE RIVER 
  VALLEY/TWIN FALLS BLM.

* TIMING: TIMING: NOON THROUGH MIDNIGHT THURSDAY.

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

* HUMIDITY: 5 TO 15 PERCENT.

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

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.

&&

$$

IDZ477-021000-
/O.NEW.KPIH.FW.W.0022.120802T1800Z-120803T0600Z/
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-
148 PM MDT WED AUG 1 2012

...RED FLAG WARNING IN EFFECT FROM NOON THURSDAY TO MIDNIGHT MDT
THURSDAY NIGHT FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONE 477 BELOW 7500 FEET...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A RED FLAG
WARNING BELOW 7500 FEET...WHICH IS IN EFFECT FROM NOON THURSDAY
TO MIDNIGHT MDT THURSDAY NIGHT. 

* AFFECTED AREA: IN IDAHO...FIRE ZONE 477 SAWTOOTH 
  RANGE/NORTHERN SAWTOOTH NF BELOW 7500 FEET.

* TIMING: NOON THROUGH MIDNIGHT THURSDAY.

* WIND: WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 30
  MPH. RIDGETOP WINDS COULD EXCEED 35 MPH AT TIMES.

* HUMIDITY: 10 TO 15 PERCENT.

* IMPACTS: THE COMBINATION OF WINDS AND HUMIDITY WILL PROMOTE
  RAPID FIRE GROWTH ON NEW OR EXISTING FIRES.

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
081 
WWUS85 KPIH 020949
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
349 AM MDT THU AUG 2 2012

IDZ409-410-022200-
/O.CON.KPIH.FW.W.0022.120802T1800Z-120803T0600Z/
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM-
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
349 AM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT TONIGHT FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONES
409 AND 410...

* AFFECTED AREA: IN IDAHO...FIRE ZONE 409 MIDDLE SNAKE RIVER 
  VALLEY/TWIN FALLS BLM...FIRE ZONE 410 UPPER SNAKE RIVER 
  VALLEY/IDAHO FALLS BLM. 

* TIMING: NOON TODAY THROUGH MIDNIGHT TONIGHT.

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

* HUMIDITY: 5 TO 15 PERCENT.

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

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.

&&

$$

IDZ475-476-022200-
/O.CON.KPIH.FW.W.0022.120802T1800Z-120803T0600Z/
EAST SALMON RIVER MOUNTAINS/SALMON NF-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
349 AM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT TONIGHT FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONES
475 AND 476...

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

* TIMING: NOON TODAY THROUGH MIDNIGHT TONIGHT.

* WINDS: WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 30 
  MPH. RIDGE TOP WINDS COULD EXCEED 35 MPH AT TIMES.

* HUMIDITY: 5 TO 15 PERCENT.

* IMPACTS: THE COMBINATION OF WINDS AND HUMIDITY WILL PROMOTE 
  RAPID FIRE GROWTH ON NEW OR EXISTING FIRES.

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.

&&

$$

IDZ477-022200-
/O.CON.KPIH.FW.W.0022.120802T1800Z-120803T0600Z/
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-
349 AM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT TONIGHT FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE
477 BELOW 7500 FEET...

* AFFECTED AREA: IN IDAHO...FIRE ZONE 477 SAWTOOTH 
  RANGE/NORTHERN SAWTOOTH NF BELOW 7500 FEET. 

* TIMING: NOON TODAY THROUGH MIDNIGHT TONIGHT.

* WIND: WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 30 
  MPH. RIDGE TOP WINDS COULD EXCEED 35 MPH AT TIMES.

* HUMIDITY: 10 TO 15 PERCENT.

* IMPACTS: THE COMBINATION OF WINDS AND HUMIDITY WILL PROMOTE 
  RAPID FIRE GROWTH ON NEW OR EXISTING FIRES.

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
417 
WWUS85 KPIH 030423
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
1023 PM MDT THU AUG 2 2012

...RED FLAG WARNING FOR STRONG GUSTY WINDS AND LOW HUMIDITY IN
SOUTHEAST IDAHO ZONES 409...410...475...476 AND 477 ARE CANCELLED...

IDZ409-410-475>477-030530-
/O.CAN.KPIH.FW.W.0022.000000T0000Z-120803T0600Z/
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM-
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
EAST SALMON RIVER MOUNTAINS/SALMON NF-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-
1023 PM MDT THU AUG 2 2012

...RED FLAG WARNING IS CANCELLED FOR LOW HUMIDITY AND STRONG GUSTY WINDS
SOUTHEAST IDAHO ZONES 409...410...475...476 AND 477...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS CANCELLED THE RED
FLAG WARNING. WIND GUSTS ARE DROPPING BELOW 25 MPH.


$$


HTTP://WEATHER.GOV/POCATELLO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 6:08 PM MDTSpecial Weather StatementPIHFranklin67 min
Aug 1, 6:50 AM MDTSpecial Weather StatementPIHTeton25 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.