Severe Thunderstorm Warning 33, NWS Great Falls, MT

Issued

Jul 7, 2021, 4:30 PM MDT (22:30 UTC)

Expired

Jul 7, 2021, 5:00 PM MDT

In force

30 min

Issued by

NWS Great Falls, MT

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

County Gallatin County, MT

The Great Falls radar (KTFX), 177 km from the middle of the area, began a volume at 22:31 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.

501 
WUUS55 KTFX 072230
SVRTFX
MTC031-072300-
/O.NEW.KTFX.SV.W.0033.210707T2230Z-210707T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
430 PM MDT Wed Jul 7 2021

The National Weather Service in Great Falls has issued a

* Severe Thunderstorm Warning for...
  Northeastern Gallatin County in south central Montana...

* Until 500 PM MDT.

* At 430 PM MDT, a severe thunderstorm was located near Belgrade, or
  12 miles northwest of Bozeman, moving northeast at 25 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Belgrade.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4584 11133 4611 11101 4591 11079 4587 11080
      4572 11118
TIME...MOT...LOC 2230Z 242DEG 21KT 4584 11115 

HAIL...0.75IN
WIND...60MPH
 
$$

CMC

354 
WWUS55 KTFX 072239
SVSTFX

Severe Weather Statement
National Weather Service Great Falls MT
439 PM MDT Wed Jul 7 2021

MTC031-072300-
/O.CON.KTFX.SV.W.0033.000000T0000Z-210707T2300Z/
Gallatin MT-
439 PM MDT Wed Jul 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM MDT
FOR NORTHEASTERN GALLATIN COUNTY...

At 438 PM MDT, a severe thunderstorm was located 9 miles northeast of
Belgrade, or 12 miles north of Bozeman, moving east at 35 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Winds measured at Bozeman Airport in Belgrade. 

IMPACT...Expect damage to roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
northeastern Gallatin County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4589 11116 4601 11090 4591 11079 4587 11080
      4576 11109
TIME...MOT...LOC 2238Z 252DEG 29KT 4586 11100 

HAIL...0.75IN
WIND...60MPH
 
$$

CMC

489 
WWUS55 KTFX 072252
SVSTFX

Severe Weather Statement
National Weather Service Great Falls MT
452 PM MDT Wed Jul 7 2021

MTC031-072302-
/O.EXP.KTFX.SV.W.0033.000000T0000Z-210707T2300Z/
Gallatin MT-
452 PM MDT Wed Jul 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GALLATIN COUNTY
WILL EXPIRE AT 500 PM MDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 4589 11116 4601 11090 4591 11079 4587 11080
      4576 11109
TIME...MOT...LOC 2252Z 242DEG 21KT 4590 11090 

$$

CMC

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.