Severe Thunderstorm Warning 5, NWS Great Falls, MT

Issued

Jun 9, 2021, 6:55 PM MDT (00:55 UTC)

Expired

Jun 9, 2021, 7:30 PM MDT

In force

35 min

Issued by

NWS Great Falls, MT

Area

Storm-based polygon

Tornado

Possible

Hail

1.75 in

Wind

70.0 mph

County Blaine County, MT

The Glasgow radar (KGGW), 165 km from the middle of the area, began a volume at 00:55 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.

614 
WUUS55 KTFX 100055
SVRTFX
MTC005-100130-
/O.NEW.KTFX.SV.W.0005.210610T0055Z-210610T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
655 PM MDT Wed Jun 9 2021

The National Weather Service in Great Falls has issued a

* Severe Thunderstorm Warning for...
  Southeastern Blaine County in north central Montana...

* Until 730 PM MDT.

* At 655 PM MDT, a severe thunderstorm was located 12 miles west of
  Hays, or 18 miles west of Zortman, moving east at 65 mph.

  HAZARD...Golf ball size hail and 70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           considerable tree damage. Wind damage is also likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Hays and Lodge Pole. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4798 10843 4799 10860 4792 10864 4792 10889
      4773 10890 4773 10894 4774 10895 4775 10892
      4781 10898 4778 10914 4806 10912 4826 10842
TIME...MOT...LOC 0055Z 259DEG 55KT 4796 10891 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
 
$$

PN

304 
WWUS55 KTFX 100115
SVSTFX

Severe Weather Statement
National Weather Service Great Falls MT
715 PM MDT Wed Jun 9 2021

MTC005-100130-
/O.CON.KTFX.SV.W.0005.000000T0000Z-210610T0130Z/
Blaine MT-
715 PM MDT Wed Jun 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MDT
FOR SOUTHEASTERN BLAINE COUNTY...

At 715 PM MDT, a severe thunderstorm was located over Hays, or 7
miles northwest of Zortman, moving east at 45 mph.

HAZARD...Tennis ball size hail and 70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Hays and Lodge Pole. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4799 10861 4792 10865 4792 10890 4783 10890
      4786 10904 4808 10898 4820 10843 4798 10844
      4799 10852
TIME...MOT...LOC 0115Z 265DEG 39KT 4796 10868 

TORNADO...POSSIBLE
HAIL...2.50IN
WIND...70MPH
 
$$

PN

144 
WWUS55 KTFX 100124
SVSTFX

Severe Weather Statement
National Weather Service Great Falls MT
724 PM MDT Wed Jun 9 2021

MTC005-100133-
/O.EXP.KTFX.SV.W.0005.000000T0000Z-210610T0130Z/
Blaine MT-
724 PM MDT Wed Jun 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BLAINE COUNTY
WILL EXPIRE AT 730 PM MDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However small hail
and gusty winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until midnight MDT for
north central Montana.

LAT...LON 4799 10861 4792 10865 4792 10890 4783 10890
      4786 10904 4808 10898 4820 10843 4798 10844
      4799 10852
TIME...MOT...LOC 0123Z 277DEG 31KT 4793 10866 

$$

PN

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.