Alert archive / Montana / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 34, NWS Great Falls, MT

July 4, 2013Blaine County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 4, 2013, 10:52 PM MDT for Blaine County, Montana. It was in force for 53 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, 2013, 10:52 PM MDT (04:52 UTC)
Expired: Jul 4, 2013, 11:45 PM MDT
In force: 53 min
Issued by: NWS Great Falls, MT
Area: Storm-based polygon

County Blaine County, MT

The radar

The Glasgow radar (KGGW), 174 km from the middle of the area, began a volume at 04:54 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, 5:40 PM MDT, 5 hours 12 minutes earlier.

Area forecast discussion, Jul 4, 5:40 PM MDT, 5 hours 12 minutes before

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Hazardous weather outlook, Jul 4, 4:05 AM MDT, 18 hours 47 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREAT FALLS MT
405 AM MDT THU JUL 4 2013

MTZ008-011>013-015-047-050>055-051200-
BEAVERHEAD-HILL-CASCADE-CHOUTEAU-MADISON-BLAINE-JUDITH BASIN-
FERGUS-JEFFERSON-BROADWATER-MEAGHER-GALLATIN-
405 AM MDT THU JUL 4 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...NORTH CENTRAL MONTANA AND SOUTHWEST MONTANA.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS WILL DEVELOP BY THIS AFTERNOON ACROSS
PORTIONS OF SOUTHWEST AND NORTH CENTRAL MONTANA. ALONG AND EAST OF
A LINE FROM DILLON TO HAVRE...SOME OF THESE STORMS MAY CONTAIN
GUSTY WINDS AND SMALL HAIL...AND BRIEF HEAVY RAINFALL IS ALSO
POSSIBLE. THESE STORMS WILL LIKELY PERSIST INTO THE EVENING...THEN
DIMINISH OVERNIGHT.

IF YOU ARE PLANNING OUTDOOR ACTIVITIES FOR THE HOLIDAY...PLEASE BE
MINDFUL OF THE WEATHER SITUATION IN YOUR AREA...AND BE PREPARED TO
TAKE SHELTER IF THREATENING WEATHER APPROACHES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE CHANCE FOR THUNDERSTORMS IS EXPECTED TO CONTINUE THROUGH THE
HOLIDAY WEEKEND. SOME STORMS ON FRIDAY MAY BECOME STRONG AGAIN
WITH GUSTY WINDS AND SMALL HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER...ANY
REPORTS OF STRONG WIND GUSTS...HAIL...OR HEAVY RAINFALL TO LAW
ENFORCEMENT OR THE NATIONAL WEATHER SERVICE OFFICE IN GREAT FALLS
ARE ALWAYS APPRECIATED.

MTZ009-010-014-044>046-048-049-051200-
NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-
CENTRAL AND SOUTHERN LEWIS AND CLARK-TOOLE-LIBERTY-
EASTERN PONDERA-SOUTHERN ROCKY MOUNTAIN FRONT-EASTERN TETON-
405 AM MDT THU JUL 4 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
MONTANA AND SOUTHWEST MONTANA.

.DAY ONE...TODAY AND TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 8:50 PM MDT	Special Weather Statement	TFX	Blaine	25 min
Jul 4, 10:28 PM MDT	Special Weather Statement	TFX	Blaine	47 min
Jul 5, 2:37 AM MDT	Special Weather Statement	TFX	Hill	23 min
Jul 5, 3:00 AM MDT	Severe Thunderstorm Warning	TFX	Blaine, Hill	45 min
Jul 5, 3:21 AM MDT	Areal Flood Advisory	TFX	Blaine, Hill	6 hr
Jul 5, 3:35 AM MDT	Special Weather Statement	TFX	Hill	40 min
Jul 5, 12:15 PM MDT	Special Weather Statement	TFX	Blaine	45 min
Jul 5, 1:18 PM MDT	Special Weather Statement	TFX	Blaine	42 min
Jul 5, 4:59 PM MDT	Special Weather Statement	TFX	Jefferson	46 min

Nearby

Severe Thunderstorm Warnings in Montana, 2013 Every severe thunderstorm warning in 2013

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.