Alert archive / Montana / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 24, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jul 4, 2009, 6:16 PM MDT for Pondera County, Montana. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 4, 2009, 6:16 PM MDT (00:16 UTC)
- Expired
- Jul 4, 2009, 7:15 PM MDT
- In force
- 59 min
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
County Pondera County, MT
The radar
The Great Falls radar (KTFX), 106 km from the middle of the area, began a volume at 00:17 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 forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 4, 5:50 PM MDT, 26 minutes earlier.
Area forecast discussion, Jul 4, 5:50 PM MDT, 26 minutes before
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</html>Hazardous weather outlook, Jul 4, 4:33 AM MDT, 13 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREAT FALLS MT 433 AM MDT SAT JUL 4 2009 MTZ009>011-013-044>049-051045- NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-CHOUTEAU-TOOLE- LIBERTY-EASTERN PONDERA-BLAINE-SOUTHERN ROCKY MOUNTAIN FRONT- EASTERN TETON- 433 AM MDT SAT JUL 4 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING...SOME STORMS MAY BE STRONG WITH GUSTY WINDS AND SMALL HAIL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY ISOLATED THUNDERSTORMS ARE POSSIBLE AGAIN ON SUNDAY AND BECOME MORE SCATTERED ON MONDAY AS MOISTURE AND INSTABILITY INCREASE. SOME STORMS MAY BECOME STRONG AND PRODUCE GUSTY WINDS AND HAIL. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ008-012-014-015-050>055-051045- BEAVERHEAD-CASCADE-CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON- JUDITH BASIN-FERGUS-JEFFERSON-BROADWATER-MEAGHER-GALLATIN- 433 AM MDT SAT JUL 4 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MONTANA AND SOUTHWEST MONTANA. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING WITH SOME STORMS BECOMING STRONG AND PRODUCE GUSTY WINDS AND HAIL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY ISOLATED THUNDERSTORMS ARE POSSIBLE ON SUNDAY AND BECOME MORE SCATTERED ON MONDAY. SOME STORMS MAY BECOME STRONG AND PRODUCE GUSTY WINDS AND HAIL. THE THREAT FOR HAZARDOUS WEATHER IS EXPECTED TO DECREASE FOR TUESDAY THROUGH FRIDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Special weather statement, Jul 4, 4:16 PM MDT, 2 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
416 PM MDT SAT JUL 4 2009
MTZ050-042315-
JUDITH BASIN MT-
416 PM MDT SAT JUL 4 2009
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN JUDITH BASIN COUNTY
UNTIL 515 PM MDT...
AT 414 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 19 MILES SOUTH OF STANFORD...MOVING SOUTHEAST AT
15 MPH.
HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.
* LOCATIONS IMPACTED INCLUDE...
RURAL SOUTHERN JUDITH BASIN COUNTY...
RURAL SOUTHEASTERN JUDITH BASIN COUNTY...
IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.
IN ADDITION...THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR
LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR
ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL
WEATHER SERVICE.
LAT...LON 4673 10994 4674 11010 4671 11014 4670 11023
4686 11044 4701 11029 4688 10979
TIME...MOT...LOC 2216Z 303DEG 12KT 4688 11025Local storm report, Jul 4, 4:23 PM MDT, 1 hour 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
423 PM MDT SAT JUL 04 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0418 PM HAIL 18 SW UTICA 46.78N 110.36W
07/04/2009 E0.25 INCH JUDITH BASIN MT TRAINED SPOTTER
SPOTTER REPORTED PEA SIZE HAIL WITH HEAVY RAIN.
&&
EGUSTAFSSpecial weather statement, Jul 4, 5:03 PM MDT, 1 hour 13 minutes before
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</html>Special weather statement, Jul 4, 5:21 PM MDT, 55 minutes before
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</html>Local storm report, Jul 4, 5:29 PM MDT, 47 minutes before
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</html>Local storm report, Jul 4, 5:36 PM MDT, 40 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 |
|---|---|---|---|---|
| Jul 4, 7:08 PM MDT | Special Weather Statement | TFX | Teton | 67 min |
| Jul 4, 8:09 PM MDT | Special Weather Statement | TFX | Cascade | 66 min |
| Jul 4, 8:22 PM MDT | Special Weather Statement | TFX | Chouteau | 53 min |
| Jul 4, 9:05 PM MDT | Special Weather Statement | TFX | Cascade | 40 min |
| Jul 4, 10:20 PM MDT | Special Weather Statement | TFX | Liberty | 40 min |
| Jul 5, 5:15 PM MDT | Special Weather Statement | TFX | Glacier | 45 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2009Every severe thunderstorm warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.