Tornado Warning 8, NWS Glasgow, MT

Issued

Jul 20, 2001, 2:49 PM MDT (20:49 UTC)

Expired

Jul 20, 2001, 3:45 PM MDT

In force

56 min

Issued by

NWS Glasgow, MT

Area

Whole counties; the outline is the Mesonet’s reconstruction

County Phillips County, MT

The Glasgow radar (KGGW), 99 km from the middle of the area, began a volume at 20:50 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.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

000 
WFUS55 KGGW 202050
TORGGW

MTC071-202145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GLASGOW MT
249 PM MDT FRI JUL 20 2001

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A

* TORNADO WARNING FOR...
  PHILLIPS COUNTY IN NORTHEAST MONTANA

* UNTIL 345 PM MDT

* AT 245 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 3 MILES NORTH OF SUN PRAIRIE...OR ABOUT 33 MILES SOUTH OF
  MALTA...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  CONTENT AT 315 PM MDT

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOWg SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4830 10830 4764 10812 4767 10748 4838 10747

.END

79

NWS Glasgow, MT wrote its last area forecast discussion before this tornado warning went out at Jul 20, 2:15 PM MDT, 34 minutes earlier.

NORTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
215 PM MDT FRI JUL 20 2001

SW FLOW WITH DISTURBANCES RIPPLING THROUGH THE FLOW WILL CONTINUE AFFECT
THE AREA INTO SATURDAY NIGHT. THIS MEANS SEVERE WEATHER POTENTIAL WILL
CONTINUE. ETA AND AVN IN FAIR AGREEMENT THROUGH THE PERIOD WITH
PLACEMENT OF SYSTEMS. 500 MB VORT LOBE OVER ALBERTA WITH THE TROF
EXTENDING DOWN INTO THE PAC NW LIFTS OUT INTO MANITOBA BY LATE
SUNDAY. AT 00Z MON...LI/S DROP TO BELOW 0 IN A PORTION OF THE CWA WITH
A WEAK UPPER RIDGE PUSHING IN FROM WESTERN MT. JAMBA

EXTENDED...MRF IN DISAGREEMENT WITH ECMWF AND CANADIAN GEM MODELS
BEYOND DAY 4. A REX BLOCK THAT THE MODELS AGREE WITH SUN/MON SPINS
INTO A DIFFERENT SOLUTION BY ALL MODELS BY TUE. MRF PULLS THE
LOW ACROSS MT AND KEEPS THE CHANCES OF THUNDERSTORMS ACROSS THE CWA
THROUGH FRI...WHILE THE CANADIAN AND THE ECMWF BUILD THE RIDGE OVER
MT WITH THE LOW STAYING NEAR THE WEST COAST. WILL KEEP WITH THE
CHANCES OF STORMS THROUGH WED...WITH A MAINLY DRY CONDITIONS FOR THU
AND FRI. JAMBA

KGGW 062/088 064/085 057/082 058/083 058/083 058/084 057/085
     TTTTTBB  764352/7633322
KGDV 065/089 064/085 059/084 059/084 059/084 058/085 057/086
     TTTTTBB  765352/7633322

Tornado Warnings in Montana, 2001Every tornado warning in 2001Tornadoes in 2001

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