Alert archive / Montana / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 72, NWS Great Falls, MT

July 7, 2019Beaverhead County, Madison County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 7, 2019, 3:13 PM MDT for Beaverhead County, Madison 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 7, 2019, 3:13 PM MDT (21:13 UTC)
Expired: Jul 7, 2019, 3:45 PM MDT
In force: 32 min
Issued by: NWS Great Falls, MT
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Beaverhead County, MT, Madison County, MT

The radar

The Pocatello radar (KSFX), 236 km from the middle of the area, began a volume at 21:15 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 7, 2:58 PM MDT	Severe Thunderstorm Watch	SPC	9 hr

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 7, 2:36 PM MDT, 37 minutes earlier.

Area forecast discussion, Jul 7, 2:36 PM MDT, 37 minutes before

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In the hours before

Special weather statement, Jul 7, 2:22 PM MDT, 51 minutes before

Special Weather Statement
National Weather Service Great Falls MT
222 PM MDT Sun Jul 7 2019

MTZ047-072045-
Blaine MT-
222 PM MDT Sun Jul 7 2019

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL BLAINE COUNTY UNTIL
245 PM MDT...

At 222 PM MDT, Doppler radar was tracking a strong thunderstorm 13
miles northwest of Dodson, or 29 miles west of Malta, moving
northeast at 30 mph.

Half inch hail and wind gusts up to 50 mph will be possible with this
storm.

This storm will remain over mainly rural areas of east central Blaine
County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4874 10832 4858 10831 4856 10835 4844 10835
      4844 10841 4841 10841 4839 10851 4861 10865
      4881 10826 4875 10826
TIME...MOT...LOC 2022Z 245DEG 26KT 4852 10847

KJ

Special weather statement, Jul 7, 2:24 PM MDT, 49 minutes before

Special Weather Statement
National Weather Service Great Falls MT
224 PM MDT Sun Jul 7 2019

MTZ008-015-072115-
Madison MT-Beaverhead MT-
224 PM MDT Sun Jul 7 2019

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL MADISON AND CENTRAL
BEAVERHEAD COUNTIES UNTIL 315 PM MDT...

At 224 PM MDT, Doppler radar was tracking a strong thunderstorm 14
miles east of Dillon, moving northeast at 25 mph.

Half inch hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Sheridan, Virginia City, Ennis, Twin Bridges, Alder, Mcallister,
Jeffers and Laurin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4494 11234 4511 11265 4572 11247 4545 11152
TIME...MOT...LOC 2024Z 237DEG 23KT 4515 11236

KJ

Special weather statement, Jul 7, 2:26 PM MDT, 47 minutes before

Special Weather Statement
National Weather Service Great Falls MT
226 PM MDT Sun Jul 7 2019

MTZ008-015-072115-
Madison MT-Beaverhead MT-
226 PM MDT Sun Jul 7 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN MADISON AND SOUTHEASTERN
BEAVERHEAD COUNTIES UNTIL 315 PM MDT...

At 225 PM MDT, Doppler radar was tracking a strong thunderstorm 8
miles north of Lima, or 31 miles south of Dillon, moving northeast at
25 mph.

Half inch hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Lima, Dell and Snowline.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4467 11293 4521 11243 4493 11158 4449 11263
      4449 11266
TIME...MOT...LOC 2025Z 232DEG 21KT 4476 11258

KJ

Special weather statement, Jul 7, 2:32 PM MDT, 41 minutes before

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Special weather statement, Jul 7, 3:02 PM MDT, 11 minutes before

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Local storm report, Jul 7, 3:13 PM MDT, 0 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 6, 6:09 PM MDT	Special Weather Statement	TFX	Teton	21 min
Jul 6, 6:10 PM MDT	Severe Thunderstorm Warning	TFX	Meagher	35 min
Jul 6, 6:14 PM MDT	Special Weather Statement	TFX	Broadwater	16 min
Jul 6, 6:18 PM MDT	Severe Thunderstorm Warning	TFX	Cascade, Chouteau	27 min
Jul 6, 6:19 PM MDT	Special Weather Statement	TFX	Teton	11 min
Jul 6, 6:35 PM MDT	Special Weather Statement	TFX	Teton	25 min
Jul 6, 6:37 PM MDT	Special Weather Statement	TFX	Judith Basin	23 min
Jul 6, 6:42 PM MDT	Special Weather Statement	TFX	Meagher	48 min
Jul 6, 6:45 PM MDT	Special Weather Statement	TFX	Chouteau	45 min
Jul 6, 6:47 PM MDT	Flash Flood Warning	TFX	Cascade	3 hr
Jul 6, 7:01 PM MDT	Severe Thunderstorm Warning	TFX	Meagher	29 min
Jul 6, 7:21 PM MDT	Severe Thunderstorm Warning	TFX	Meagher	28 min
Jul 6, 7:28 PM MDT	Special Weather Statement	TFX	Fergus	32 min
Jul 6, 7:44 PM MDT	Special Weather Statement	TFX	Judith Basin	46 min
Jul 6, 8:04 PM MDT	Special Weather Statement	TFX	Chouteau	26 min
Jul 6, 8:20 PM MDT	Severe Thunderstorm Warning	TFX	Blaine, Chouteau, Fergus	25 min
Jul 6, 8:45 PM MDT	Special Weather Statement	TFX		30 min
Jul 6, 8:53 PM MDT	Special Weather Statement	TFX		22 min
Jul 6, 8:57 PM MDT	Areal Flood Advisory	TFX	Meagher	3 hr
Jul 6, 9:17 PM MDT	Special Weather Statement	TFX	Blaine	28 min
Jul 6, 9:20 PM MDT	Special Weather Statement	TFX	Fergus	25 min
Jul 6, 9:38 PM MDT	Special Weather Statement	TFX	Blaine	37 min
Jul 6, 9:44 PM MDT	Special Weather Statement	TFX		46 min
Jul 6, 9:58 PM MDT	Severe Thunderstorm Warning	TFX	Blaine, Hill	32 min
Jul 6, 10:32 PM MDT	Special Weather Statement	TFX	Petroleum	43 min
Jul 6, 10:35 PM MDT	Special Weather Statement	TFX	Blaine	25 min
Jul 6, 10:44 PM MDT	Special Weather Statement	TFX	Blaine	31 min
Jul 6, 11:01 PM MDT	Special Weather Statement	TFX	Blaine	29 min
Jul 6, 11:27 PM MDT	Special Weather Statement	TFX	Blaine	33 min
Jul 7, 2:48 AM MDT	Special Weather Statement	TFX		42 min
Jul 7, 3:40 AM MDT	Flash Flood Watch	TFX		16 hr
Jul 7, 4:43 AM MDT	Special Weather Statement	TFX	Toole	47 min
Jul 7, 1:58 PM MDT	Special Weather Statement	TFX	Beaverhead	32 min
Jul 7, 2:22 PM MDT	Special Weather Statement	TFX	Blaine	23 min
Jul 7, 2:24 PM MDT	Special Weather Statement	TFX	Madison	51 min
Jul 7, 2:26 PM MDT	Special Weather Statement	TFX		49 min
Jul 7, 3:02 PM MDT	Special Weather Statement	TFX	Madison	28 min
Jul 7, 3:41 PM MDT	Severe Thunderstorm Warning	TFX	Beaverhead, Gallatin, Madison	34 min
Jul 7, 4:16 PM MDT	Special Weather Statement	TFX	Gallatin	44 min
Jul 7, 4:47 PM MDT	Special Weather Statement	TFX	Gallatin	43 min
Jul 7, 4:56 PM MDT	Special Weather Statement	TFX	Lewis and Clark	19 min
Jul 7, 4:59 PM MDT	Special Weather Statement	TFX	Madison	31 min
Jul 7, 5:18 PM MDT	Special Weather Statement	TFX	Lewis and Clark	27 min
Jul 7, 5:26 PM MDT	Special Weather Statement	TFX	Madison	34 min

Nearby

Severe Thunderstorm Warnings in Montana, 2019 Every severe thunderstorm warning in 2019

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.