Alert archive / Montana / Special Weather Statements in 2012
Special Weather Statement, NWS Great Falls, MT
NWS Great Falls, MT issued this special weather statement at Aug 14, 2012, 10:23 PM MDT for Hill County, Montana. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 14, 2012, 10:23 PM MDT (04:23 UTC)
- Expired
- Aug 14, 2012, 11:30 PM MDT
- In force
- 67 min
- Issued by
- NWS Great Falls, MT
County Hill County, MT
The radar
The Great Falls radar (KTFX), 168 km from the middle of the area, began a volume at 04:24 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
Great_falls, MT (KTFX), launched 00:00Z, 4.4 hours before the alert went out and 138 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 4575 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Great Falls, MT wrote its last area forecast discussion before this special weather statement went out at Aug 14, 9:19 PM MDT, 1 hour 4 minutes earlier.
Area forecast discussion, Aug 14, 9:19 PM MDT, 1 hour 4 minutes before
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</html>Hazardous weather outlook, Aug 14, 2:40 PM MDT, 7 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE GREAT FALLS MT 240 PM MDT TUE AUG 14 2012 MTZ009>010-044>046-151200- NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-TOOLE-LIBERTY-EASTERN PONDERA- 240 PM MDT TUE AUG 14 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY IS LOW FOR WIDESPREAD HAZARDOUS WEATHER. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY MUCH COOLER WEATHER AND A CHANCE FOR WIDESPREAD PRECIPITATION IS EXPECTED TONIGHT AND WEDNESDAY AS A STRONG COLD FRONT MOVES THROUGH THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. MTZ008-011>015-047>055-151200- BEAVERHEAD-HILL-CASCADE-CHOUTEAU-CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-SOUTHERN ROCKY MOUNTAIN FRONT-BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS-JEFFERSON-BROADWATER-MEAGHER-GALLATIN- 240 PM MDT TUE AUG 14 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MONTANA...NORTH CENTRAL MONTANA AND SOUTHWEST MONTANA. .DAY ONE...TODAY AND TONIGHT GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS TODAY. A RED FLAG WARNING IS IN EFFECT FROM NOON TO 9 PM MDT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY MUCH COOLER WEATHER AND A CHANCE FOR WIDESPREAD PRECIPITATION IS EXPECTED TONIGHT AND WEDNESDAY AS A STRONG COLD FRONT MOVES THROUGH THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Aug 14, 9:22 PM MDT, 1 hour 1 minute before
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</html>Local storm report, Aug 14, 9:31 PM MDT, 52 minutes before
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</html>Local storm report, Aug 14, 9:37 PM MDT, 46 minutes before
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</html>Local storm report, Aug 14, 9:39 PM MDT, 44 minutes before
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</html>Local storm report, Aug 14, 9:46 PM MDT, 37 minutes before
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</html>Special weather statement, Aug 14, 10:23 PM MDT, 0 minutes before
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</html>The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 6:20 PM MDT | Special Weather Statement | TFX | Toole | 40 min |
| Aug 14, 6:42 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Liberty, Toole | 78 min |
| Aug 14, 7:53 PM MDT | Special Weather Statement | TFX | Blaine, Chouteau, Hill, Liberty | 52 min |
| Aug 14, 8:03 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin, Lewis and Clark, Teton | 72 min |
| Aug 14, 8:53 PM MDT | Special Weather Statement | TFX | Blaine, Hill | 82 min |
| Aug 14, 9:04 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Cascade, Chouteau, Fergus, Gallatin, Jefferson and 3 more | 56 min |
Nearby
Special Weather Statements in Montana, 2012Every special weather statement 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.