Severe Thunderstorm Warning 50, NWS Great Falls, MT

Issued

Jul 21, 2021, 7:56 PM MDT (01:56 UTC)

Expired

Jul 21, 2021, 8:30 PM MDT

In force

34 min

Issued by

NWS Great Falls, MT

Area

Storm-based polygon

Hail

1.75 in

Wind

60.0 mph

County Lewis and Clark County, MT

The Missoula radar (KMSX), 87 km from the middle of the area, began a volume at 02:00 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

715 
WUUS55 KTFX 220156
SVRTFX
MTC049-220230-
/O.NEW.KTFX.SV.W.0050.210722T0156Z-210722T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
756 PM MDT Wed Jul 21 2021

The National Weather Service in Great Falls has issued a

* Severe Thunderstorm Warning for...
  West central Lewis and Clark County in west central Montana...

* Until 830 PM MDT.

* At 756 PM MDT, a severe thunderstorm was located 12 miles north of
  Ovando, or 36 miles north of Drummond, moving northeast at 40 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  west central Lewis and Clark County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 4743 11306 4759 11295 4745 11261 4717 11291
      4718 11306
TIME...MOT...LOC 0156Z 210DEG 35KT 4719 11307 

HAIL...1.75IN
WIND...60MPH
 
$$

Ludwig/Coulston

124 
WWUS55 KTFX 220224
SVSTFX

Severe Weather Statement
National Weather Service Great Falls MT
824 PM MDT Wed Jul 21 2021

MTC049-220234-
/O.EXP.KTFX.SV.W.0050.000000T0000Z-210722T0230Z/
Lewis and Clark MT-
824 PM MDT Wed Jul 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL LEWIS AND CLARK
COUNTY WILL EXPIRE AT 830 PM MDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However hail and 
gusty winds are still possible with this thunderstorm.

LAT...LON 4743 11306 4759 11295 4745 11261 4717 11291
      4718 11306
TIME...MOT...LOC 0224Z 210DEG 35KT 4739 11290 

$$

Ludwig

Severe Thunderstorm Warnings in Montana, 2021Every severe thunderstorm warning in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.