Alert archive / Montana / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 38, NWS Great Falls, MT

July 2, 2010Hill County, Liberty County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 2, 2010, 10:43 AM MDT for Hill County, Liberty County, Montana. It was in force for 32 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 2, 2010, 10:43 AM MDT (16:43 UTC)
Expired: Jul 2, 2010, 11:15 AM MDT
In force: 32 min
Issued by: NWS Great Falls, MT
Area: Storm-based polygon

Counties Hill County, MT, Liberty County, MT

The radar

The Great Falls radar (KTFX), 140 km from the middle of the area, began a volume at 16:44 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 2, 10:15 AM MDT, 28 minutes earlier.

Area forecast discussion, Jul 2, 10:15 AM MDT, 28 minutes before

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Hazardous weather outlook, Jul 2, 3:47 AM MDT, 6 hours 56 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREAT FALLS MT
347 AM MDT FRI JUL 2 2010

MTZ047-031200-
BLAINE-
347 AM MDT FRI JUL 2 2010

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

.DAY ONE...TODAY AND TONIGHT

A FLOOD ADVISORY IS IN EFFECT FOR RURAL AREAS NEAR THE MILK
RIVER...FROM EAST OF HAVRE TO EAST OF HARLEM.

SCATTERED SHOWERS AND THUNDERSTORMS ARE ALSO EXPECTED TODAY.
SOME STORMS MAY BECOME SEVERE THIS AFTERNOON...WITH DAMAGING WINDS
AND LARGE HAIL BEING THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A FLOOD ADVISORY REMAINS IN EFFECT UNTIL EARLY SATURDAY MORNING
FOR RURAL AREAS NEAR THE THE MILK RIVER...FROM EAST OF HAVRE TO
EAST OF HARLEM.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ011>013-050-051-054-031200-
HILL-CASCADE-CHOUTEAU-JUDITH BASIN-FERGUS-MEAGHER-
347 AM MDT FRI JUL 2 2010

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

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY. SOME
STORMS MAY BECOME SEVERE THIS AFTERNOON...WITH DAMAGING WINDS AND
LARGE HAIL BEING THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ008>010-014-015-044>046-048-049-052-053-055-031200-
BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-
CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-TOOLE-LIBERTY-
EASTERN PONDERA-SOUTHERN ROCKY MOUNTAIN FRONT-EASTERN TETON-
JEFFERSON-BROADWATER-GALLATIN-
347 AM MDT FRI JUL 2 2010

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

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY AS A COLD
FRONT MOVES THROUGH THE REGION. SOME OF THESE STORMS COULD PRODUCE
STRONG GUSTY WINDS AND HAIL THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Jul 2, 8:59 AM MDT, 1 hour 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
859 AM MDT FRI JUL 02 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0610 PM     TSTM WND GST     14 NNW JOPLIN           48.74N 110.93W
06/29/2010  M68 MPH          LIBERTY            MT   MESONET

            44 GUST TO 68 MPH

&&

Local storm report, Jul 2, 9:20 AM MDT, 1 hour 23 minutes before

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Local storm report, Jul 2, 9:22 AM MDT, 1 hour 21 minutes before

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Local storm report, Jul 2, 9:50 AM MDT, 53 minutes before

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Local storm report, Jul 2, 10:08 AM MDT, 35 minutes before

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Local storm report, Jul 2, 10:20 AM MDT, 23 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 6:12 PM MDT	Special Weather Statement	TFX	Blaine	48 min
Jul 1, 6:16 PM MDT	Severe Thunderstorm Warning	TFX	Blaine, Chouteau, Hill	44 min
Jul 1, 6:53 PM MDT	Severe Thunderstorm Warning	TFX	Blaine	67 min
Jul 2, 7:59 AM MDT	Special Weather Statement	TFX	Pondera, Teton	46 min
Jul 2, 8:41 AM MDT	Special Weather Statement	TFX	Teton	64 min
Jul 2, 9:16 AM MDT	Severe Thunderstorm Warning	TFX	Chouteau, Liberty, Pondera, Teton, Toole	44 min
Jul 2, 9:53 AM MDT	Severe Thunderstorm Warning	TFX	Hill, Liberty, Pondera, Toole	67 min
Jul 2, 2:27 PM MDT	Special Weather Statement	TFX	Gallatin	48 min
Jul 2, 2:40 PM MDT	Severe Thunderstorm Warning	TFX	Broadwater, Gallatin, Madison	50 min
Jul 2, 3:33 PM MDT	Special Weather Statement	TFX	Meagher	42 min
Jul 2, 4:48 PM MDT	Severe Thunderstorm Warning	TFX	Fergus	42 min
Jul 2, 5:32 PM MDT	Special Weather Statement	TFX	Fergus	43 min

Nearby

Severe Thunderstorm Warnings in Montana, 2010 Every severe thunderstorm warning in 2010

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.