Alert archive / Montana / Red Flag Warnings in 2012

Red Flag Warning 13, NWS Glasgow, MT

June 26, 20127 counties in Montana

NWS Glasgow, MT issued this red flag warning at Jun 26, 2012, 3:55 AM MDT for 7 counties in Montana. It took effect at Jun 26, 2012, 12:00 PM MDT. It was in force for 10 hr. 8 reports 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
Jun 26, 2012, 3:55 AM MDT (09:55 UTC)
In effect from
Jun 26, 2012, 12:00 PM MDT
Expired
Jun 26, 2012, 10:01 PM MDT
In force
10 hr
Issued by
NWS Glasgow, MT

Counties Dawson County, MT, Garfield County, MT, McCone County, MT, Petroleum County, MT, Prairie County, MT, Richland County, MT, Wibaux County, MT

The radar

The Glasgow radar (KGGW), 123 km from the middle of the area, began a volume at 09:58 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
Jun 26, 4:00 PM MDTTSTM WND DMGGlendive, MTA ROOF ON A BUILDING IN DOWNTOWN HAD A 30 BY 30 FOOT SECTION LIFTED AND BLOWN INTO THE BUILDING NEXT DOOR. THE HIGHEST MEASURED WIND GUSTS WERE AT THE GLENDIVE AIRPORT FROM THE SOUTH-SOUTHWEST AT 28 MPH GUSTING TO 38 MPH.
Jun 26, 5:00 PM MDTTSTM WND DMGSavage, MTSAVAGE FIRE DEPARTMENT SURVEYED A METAL BUILDING THAT WAS SIGNIFICANTLY DAMAGED BY A MICROBURST. HALF THE ROOF WAS BLOWN OFF INTO NEARBY COTTONWOOD TREES. THE BUILDING WAS FACING SOUTH AND WINDS HIT FROM THE SOUTH. THERE WAS A LARGE OPENING AND THE WINDS ENTER
Jun 26, 5:00 PM MDTTSTM WND GST 608 E Lambert, MTSNAPPED 2 INCH TREE BRANCHES OFF OF TREES AND PEA SIZED HAIL.
Jun 26, 5:00 PM MDTTSTM WND GST 7413 Nw Wooley, MTMEASURED BY RICHLAND COUNTY AGRIMET STATION. IN THIS VICINITY, 21 WOODEN POWER POLES WERE SNAPPED OFF WITH TWO MORE LEANING AND NEEDING TO BE REPLACED. A 4000 BUSHEL GRAIN BIN WAS TIPPED OVER AND A TIN SHED HAD THE ROOF BLOWN OFF AND THROWN 150 YARDS TO THE NO
Jun 26, 5:00 PM MDTNON-TSTM WND DMG13 Wnw Wooley, MTBARN COMPLETELY TAKEN OUT ALONG WITH 2 MILES WORTH OF POWER POLES ON HIGHWAY 201. ALSO HAD A GRAIN BIN BLOWN OVER AND POWER IS OUT IN LAMBERT AND SIOUX PASS
Jun 26, 5:04 PM MDTTSTM WND GST 694 Ne Hodges, MTBEAVER HILL DOT
Jun 26, 5:15 PM MDTNON-TSTM WND GST 561 Sw Sidney, MTSIDNEY AIRPORT MEASURED A 56 MPH WIND GUST
Jun 26, 6:44 PM MDTTSTM WND GST 604 E Brockway, MT50 TO 60 MPH GUSTS WHEN THE STORM INITIALLY HIT...PEA TO DIME SIZE HAIL AFTER

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

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 9.9 hours before the alert went out and 124 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, Glasgow Intl Airport, MT at 00:00Z on 2012-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3072 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, Glasgow Intl Airport, MT at 00:00Z on 2012-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
3072 J/kg
Mixed-layer CIN
-206 J/kg
Mixed-layer LCL
1552 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

887 
WWUS85 KGGW 260955
RFWGGW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GLASGOW MT
355 AM MDT TUE JUN 26 2012

.A MOIST AIR MASS WILL BE QUICKLY SWEPT OUT OF THE AREA THIS
AFTERNOON AND EVENING...WITH THE APPROACH OF A COLD FRONT FROM THE
WEST. THIS IS PART OF A SYSTEM THAT WILL CAUSE WINDY WEATHER WITH
RAPIDLY LOWERING HUMIDITY THIS AFTERNOON AND EVENING.

MTZ122-137-262200-
/O.UPG.KGGW.FW.A.0012.120626T1800Z-120627T0600Z/
/O.NEW.KGGW.FW.W.0013.120626T1800Z-120627T0600Z/
DAWSON-MCCONE-PRAIRIE-RICHLAND-WIBAUX-SOUTHERN PETROLEUM-
SOUTHERN GARFIELD-
355 AM MDT TUE JUN 26 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT
TONIGHT FOR WINDY WEATHER WITH RAPIDLY FALLING RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 122 AND 137...

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A RED FLAG
WARNING FOR WINDY WEATHER WITH RAPIDLY FALLING RELATIVE HUMIDITY WHICH
IS IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 122 AND 137.

* WINDS...SOUTHWEST SHIFTING TO WEST 20 TO 30 MPH WITH GUSTS UP TO
  40 MPH.

* TIMING...WINDS WILL SHIFT AND STEADY INCREASE DURING THE
  AFTERNOON AND EVENING.

* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.
 
* IMPACTS...THE LOW HUMIDITY AND WINDY WEATHER EXPECTED WILL
  COMBINE WITH HIGH FIRE DANGER TO INCREASE THE THREAT OF FIRES
  AND RAPID FIRE GROWTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE
AREAS OF THIS RED FLAG WARNING.

&&

$$

HTTP://WEATHER.GOV/GLASGOW
3 follow-up statements
844 
WWUS85 KGGW 261531
RFWGGW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GLASGOW MT
931 AM MDT TUE JUN 26 2012

.A MOIST AIR MASS WILL BE QUICKLY SWEPT OUT OF THE AREA THIS
AFTERNOON AND EVENING...WITH THE APPROACH OF A COLD FRONT FROM
THE WEST. THIS IS PART OF A SYSTEM THAT WILL CAUSE WINDY WEATHER
WITH RAPIDLY LOWERING HUMIDITY THIS AFTERNOON AND EVENING.

MTZ122-137-270000-
/O.CON.KGGW.FW.W.0013.120626T1800Z-120627T0600Z/
DAWSON-MCCONE-PRAIRIE-RICHLAND-WIBAUX-SOUTHERN PETROLEUM-
SOUTHERN GARFIELD-
931 AM MDT TUE JUN 26 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR WINDY WEATHER WITH RAPIDLY FALLING RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 122 AND 137...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. 

* AFFECTED AREA...FIRE WEATHER ZONES 122 AND 137.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...WINDS WILL SHIFT AND STEADY INCREASE DURING THE 
  AFTERNOON AND EVENING. 

* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.

* IMPACTS...THE LOW HUMIDITY AND WINDY WEATHER EXPECTED WILL 
  COMBINE WITH HIGH FIRE DANGER TO INCREASE THE THREAT OF FIRES 
  AND RAPID FIRE GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE
AREAS OF THIS RED FLAG WARNING.

&&

$$

HTTP://WEATHER.GOV/GLASGOW
938 
WWUS85 KGGW 262058
RFWGGW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GLASGOW MT
258 PM MDT TUE JUN 26 2012

.A MOIST AIR MASS IS BEING SWEPT OUT OF THE AREA THIS AFTERNOON...WITH
THE APPROACH OF A COLD FRONT FROM THE WEST. THIS IS PART OF A SYSTEM
THAT WILL CAUSE WINDY WEATHER WITH RAPIDLY LOWERING HUMIDITY INTO
THIS EVENING.

MTZ122-137-270600-
/O.CON.KGGW.FW.W.0013.000000T0000Z-120627T0600Z/
DAWSON-MCCONE-PRAIRIE-RICHLAND-WIBAUX-SOUTHERN PETROLEUM-
SOUTHERN GARFIELD-
258 PM MDT TUE JUN 26 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
FOR WINDY WEATHER WITH RAPIDLY FALLING RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 122 AND 137...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. 

* AFFECTED AREA...FIRE WEATHER ZONES 122 AND 137.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...WINDS WILL SHIFT AND INCREASE DURING THE AFTERNOON AND
  EVENING.

* RELATIVE HUMIDITY...AS LOW AS 5 PERCENT.

* IMPACTS...THE LOW HUMIDITY AND WINDY WEATHER EXPECTED WILL 
  COMBINE WITH HIGH FIRE DANGER TO INCREASE THE THREAT OF FIRES 
  AND RAPID FIRE GROWTH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE
AREAS OF THIS RED FLAG WARNING.

&&

$$

HTTP://WEATHER.GOV/GLASGOW
960 
WWUS85 KGGW 270401
RFWGGW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GLASGOW MT
1001 PM MDT TUE JUN 26 2012


MTZ122-137-270515-
/O.CAN.KGGW.FW.W.0013.000000T0000Z-120627T0600Z/
DAWSON-MCCONE-PRAIRIE-RICHLAND-WIBAUX-SOUTHERN PETROLEUM-
SOUTHERN GARFIELD-
1001 PM MDT TUE JUN 26 2012

...RED FLAG WARNING IS CANCELLED FOR FIRE WEATHER ZONES 122 AND
137...

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

WINDS HAVE DIMINISHED THIS EVENING BUT WILL CONTINUE TO BE BREEZY
TONIGHT...THEN PICK UP A BIT WEDNESDAY. HOWEVER CRITICAL FIRE
WEATHER CONDITIONS ARE NOT EXPECTED.

$$

HTTP://WEATHER.GOV/GLASGOW

The office that day

Everything else NWS Glasgow, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 6:06 PM MDTSpecial Weather StatementGGWPrairie54 min
Jun 25, 6:28 PM MDTSevere Thunderstorm WarningGGWDawson, Prairie62 min
Jun 25, 7:38 PM MDTSpecial Weather StatementGGWDawson67 min
Jun 26, 12:10 AM MDTSpecial Weather StatementGGW65 min
Jun 26, 12:29 AM MDTSpecial Weather StatementGGW61 min
Jun 26, 12:35 AM MDTSpecial Weather StatementGGWValley55 min
Jun 26, 12:41 AM MDTSevere Thunderstorm WarningGGWPhillips64 min
Jun 26, 1:00 AM MDTSpecial Weather StatementGGWPetroleum60 min
Jun 26, 1:08 AM MDTSpecial Weather StatementGGWValley67 min
Jun 26, 1:28 AM MDTSpecial Weather StatementGGWValley62 min
Jun 26, 1:59 AM MDTSevere Thunderstorm WarningGGWPhillips61 min
Jun 26, 2:12 AM MDTSpecial Weather StatementGGWValley63 min
Jun 26, 2:46 AM MDTSpecial Weather StatementGGWDaniels44 min
Jun 26, 3:17 AM MDTSpecial Weather StatementGGW43 min
Jun 26, 3:32 AM MDTSevere Thunderstorm WarningGGWPhillips58 min
Jun 26, 3:35 AM MDTSpecial Weather StatementGGWDaniels55 min
Jun 26, 4:05 AM MDTLake Wind AdvisoryGGWGarfield, McCone, Petroleum, Phillips, Valley41 hr
Jun 26, 3:58 PM MDTSpecial Weather StatementGGWDawson47 min
Jun 26, 4:32 PM MDTSpecial Weather StatementGGWRichland43 min
Jun 26, 4:50 PM MDTSevere Thunderstorm WarningGGWRichland44 min
Jun 26, 5:55 PM MDTHigh Wind WarningGGWDaniels, Roosevelt, Sheridan, Valley2 hr

Nearby

Red Flag Warnings in Montana, 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.