Severe Thunderstorm Warning 34, NWS Great Falls, MT

Issued

Jul 3, 2000, 2:45 PM MDT (20:45 UTC)

Expired

Jul 3, 2000, 3:15 PM MDT

In force

30 min

Issued by

NWS Great Falls, MT

Area

Whole counties; the outline is the Mesonet’s reconstruction

County Meagher County, MT

The Great Falls radar (KTFX), 127 km from the middle of the area, began a volume at 20:47 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.

986 
WUUS55 KTFX 032045
SVRGTF
MTC059-032115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREAT FALLS MT
245 PM MDT MON JUL 3 2000

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL MEAGHER COUNTY IN MONTANA

* UNTIL 315 PM MDT

* AT 237 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EAST CENTRAL MEAGHER COUNTY...OR ABOUT 18
  MILES SOUTHEAST OF WHITE SULPHUR SPRINGS...MOVING NORTHEAST AT 25
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL EASTERN MEAGHER COUNTY AT 300 PM MDT

VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A
SUBSTANTIAL SHELTER.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN GREAT FALLS.

LAT...LON 4645 11072 4633 11053 4640 11030 4665 11031
          4663 11048

NWS Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 3, 9:25 AM MDT, 5 hours 20 minutes earlier.

SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
925 AM MDT MON JUL 3 2000

...WILL UPDATE ZONES BY 940 AM...

SHOWERS AND THUNDERSTORMS CURRENTLY STREAMING FROM SOUTHWESTERN THROUGH
NORTHCENTRAL MONTANA...WITH MORE RADAR ECHOES OVER MSO CWA.
THEREFORE...CURRENT FORECAST WORDING HANDLES SITUATION WELL. ALSO...A
LINE OF THUNDERSTORMS...WITH A POSSIBLE BOW ECHO...MOVING THROUGH
LIBERTY COUNTY. WILL BE IN HILL COUNTY BY THE TIME UPDATE ISSUED. WILL
UPDATE WORDING OF NORTHERN ZONES TO INCLUDE IMMEDIATE MENTION OF HAIL
AND GUSTY WINDS IN NORTHERN AND EASTERN ZONES...AS DEWPOINTS STARTING
OUT FAIRLY LOW AND SOUTHEAST WINDS AT LWT TO NORTHWEST WINDS AT CTB
INDICATING AT LEAST SOME SHEAR DEVELOPING. ALL THIS DESPITE LAPS CAPE
AND LI READINGS INDICATING GENERALLY STABLE AIR THERE. NEW ETA ALSO
INDICATES GOOD DIVERGENCE ALOFT DEVELOPING BY AFTERNOON OVER NORTHERN
ZONES TO ENHANCE THUNDERSTORM POTENTIAL...ALONG WITH JET MAX MOVING
NORTHWARD OVER NORTHWESTERN MONTANA...LEAVING NORTHWESTERN TFX CWA ZONES
IN RIGHT REAR QUAD. ALSO...SURFACE LOW DEVELOPING OVER NORTHERN WYOMING
AND MOVING NORTHWARD INTO EASTERN MONTANA SHOULD AID IN DRAWING MOISTURE
INTO EASTERN AND NORTHERN ZONES. LESS MOISTURE MAKING IT INTO
SOUTHWESTERN ZONES TO KEEP THOSE IN BETTER CHANCE FOR GUSTY WINDS.
OTHERWISE...TEMPERATURES SEEM TO BE ON TRACK.  COULSTON

GTF TN 075/050 070/048 076 147731
CTB TN 070/048 067/044 072 146732
HLN TB 072/052 068/048 077 147632
BZN BB 075/048 070/043 076 145521
WEY BB 071/038 068/036 072 144421
DLN EB 074/045 068/042 075 145421
HVR TE 077/052 070/051 078 146631
LWT TE 077/050 070/046 077 147631

Severe Thunderstorm Warnings in Montana, 2000Every severe thunderstorm warning in 2000

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.