Special Weather Statement, NWS Great Falls, MT

Issued

Aug 2, 2021, 3:52 PM MDT (21:52 UTC)

Expired

Aug 2, 2021, 4:30 PM MDT

In force

38 min

Issued by

NWS Great Falls, MT

County Judith Basin County, MT

The Great Falls radar (KTFX), 52 km from the middle of the area, began a volume at 21:53 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.

026 
WWUS85 KTFX 022152
SPSTFX

Special Weather Statement
National Weather Service Great Falls MT
352 PM MDT Mon Aug 2 2021

MTZ012-013-050-054-022230-
Chouteau-Cascade-Judith Basin-Meagher-
352 PM MDT Mon Aug 2 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTH CENTRAL
MEAGHER...WESTERN JUDITH BASIN...SOUTHWESTERN CHOUTEAU AND EASTERN
CASCADE COUNTIES...

At 350 PM MDT, radar indicated strong thunderstorms were clustered 
along a line extending from 6 miles south of Belt to 11 miles 
southwest of Geyser to 17 miles northeast of White Sulphur Springs.
Movement was north at 15 mph.

Periods of heavy rain and winds in excess of 30 mph are possible 
with these storms.

Locations impacted include...
Belt, Geyser, Neihart, Raynesford, Armington, Monarch and Sluice
Boxes State Park.

This includes the following highways...
 Highway 200 between mile markers 0 and 28.
 Highway 89 between mile markers 19 and 71, and between mile markers
72 and 79.

If outdoors, consider seeking shelter inside a building.

These storms may intensify, so be certain to monitor local radio 
stations and available television stations for additional 
information and possible warnings from the National Weather Service.

Torrential rainfall is also occurring with these storms, and may
cause 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.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in Great Falls.

LAT...LON 4756 11101 4754 11050 4709 11033 4662 11073
      4701 11089 4726 11102
TIME...MOT...LOC 2150Z 178DEG 15KT 4729 11094 4716 11068 4677 11072 

$$

SC

Special Weather Statements in Montana, 2021Every special weather statement in 2021

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.