Alert archive / Idaho / Red Flag Warnings in 2012

Red Flag Warning 3, NWS Pocatello, ID

June 24, 20129 counties in Idaho

NWS Pocatello, ID issued this red flag warning at Jun 24, 2012, 11:49 AM MDT for 9 counties in Idaho. It took effect at Jun 24, 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
Jun 24, 2012, 11:49 AM MDT (17:49 UTC)
In effect from
Jun 24, 2012, 12:00 PM MDT
Expired
Jun 24, 2012, 10:00 PM MDT
In force
10 hr
Issued by
NWS Pocatello, ID

Counties Bingham County, ID, Bonneville County, ID, Butte County, ID, Clark County, ID, Fremont County, ID, Jefferson County, ID, Madison County, ID, Power County, ID, Teton County, ID

The radar

The Pocatello radar (KSFX), 77 km from the middle of the area, began a volume at 17:51 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

Riverton, WY (KRIW), launched 12:00Z, 5.8 hours before the alert went out and 307 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, Riverton, WY at 12:00Z on 2012-06-24Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2012-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
4311 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
-12 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.

519 
WWUS85 KPIH 241749
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
1149 AM MDT SUN JUN 24 2012

...RED FLAG WARNING FOR GUSTY WINDS AND LOW HUMIDITY IN SOUTHEAST
IDAHO FIRE ZONE 410 BELOW 6000 FEET FROM 12 PM MDT TODAY TO 10 PM
MDT TONIGHT...

IDZ410-250400-
/O.NEW.KPIH.FW.W.0003.120624T1800Z-120625T0400Z/
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
1149 AM MDT SUN JUN 24 2012

...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE 410 BELOW 6000 FEET...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A RED FLAG
WARNING BELOW 6000 FEET...WHICH IS IN EFFECT UNTIL 10 PM MDT THIS
EVENING. 

* AFFECTED AREA: IN IDAHO...FIRE ZONE 410 UPPER SNAKE RIVER PLAIN
  INCLUDING THE INL COMPLEX BELOW 6000 FEET.

* TIMING: 12 PM MDT TODAY TO 10 PM MDT TONIGHT.

* WIND: SOUTH SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* HUMIDITY: 5 TO 15 PERCENT.

* IMPACTS: THE COMBINATION OF WINDS AND LOW HUMIDITY WILL LEAD TO
  EXPLOSIVE FIRE GROWTH AND SPREAD. 


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
1 follow-up statement
712 
WWUS85 KPIH 250336
RFWPIH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
936 PM MDT SUN JUN 24 2012

...RED FLAG WARNING WILL EXPIRE AT 10 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE 410 BELOW 6000 FEET...

IDZ410-250445-
/O.EXP.KPIH.FW.W.0003.000000T0000Z-120625T0400Z/
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
936 PM MDT SUN JUN 24 2012

...RED FLAG WARNING WILL EXPIRE AT 10 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE 410 BELOW 6000 FEET...

THE RED FLAG WARNING FOR FIRE WEATHER ZONE 410 BELOW 6000 FEET
WILL EXPIRE AT 10 PM MDT THIS EVENING. WINDS CONTINUE TO DECREASE
ACROSS THE AREA ALONG WITH HUMIDITY VALUES. THERE WILL BE SOME
POCKETS OF LOW HUMIDITY AND GUSTY WINDS CONTINUING FOR THE NEXT
FEW HOURS...BUT NOT ON A WIDESPREAD BASIS. 

$$


HTTP://WEATHER.GOV/POCATELLO

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.