Tornado Warning 4, NWS Glasgow, MT

Issued

Jul 17, 2001, 10:11 PM MDT (04:11 UTC)

Expired

Jul 17, 2001, 11:15 PM MDT

In force

64 min

Issued by

NWS Glasgow, MT

Area

Whole counties

County Dawson County, MT

The Glasgow radar (KGGW), 166 km from the middle of the area, began a volume at 04:13 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 180412
TORGGW

MTC021-180515-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GLASGOW MT
1011 PM MDT TUE JUL 17 2001

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN DAWSON COUNTY IN NORTHEAST MONTANA

* UNTIL 1115 PM MDT

* AT 957 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF TORNADO PRODUCING STORMS FROM 23 MILES NORTHWEST OF
  BLOOMFIELD TO 17 MILES SOUTHWEST OF LINDSAY...OR FROM 18 MILES
  NORTHEAST OF CIRCLE TO 14 MILES NORTH OF TERRY...MOVING EAST AT 20
  MPH.

* TORNADO PRODUCING STORMS ARE EXPECTED TO BE NEAR...
  BLOOMFIELD AT 1045 PM MDT

IF YOU ARE CAUGHT OUTSIDE IN THE PATH OF THESE STORMS...SEEK SHELTER 
IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN 
A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THIS REPLACES THE WARNING PREVIOUSLY IN EFFECT FOR THE AREA.

.END
95

NWS Glasgow, MT wrote its last area forecast discussion before this tornado warning went out at Jul 17, 8:20 PM MDT, 1 hour 51 minutes earlier.

NORTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
820 PM MDT TUE JUL 17 2001

...SEVERE THUNDERSTORM WATCH FOR ENTIRE CWA THROUGH 10 PM...

STRONG STORMS CONTINUING OVER WEST CENTRAL PORTIONS OF CWA ATTM.
STRONGEST INSTABILITY REMAINS OVER FAR EASTERN ZONES. WILL BE A RACE
TO SEE IF UPPER LEVEL DYNAMICS CAN MAKE IT THERE BEFORE DIURNAL
COOLING BEGINS. EXPLOSIVE THUNDERSTORM DEVELOPMENT NORTH OF SHERIDAN
COUNTY IN CANADA HAS ME A BIT CONCERNED. INSTABILITY AXIS LIES ALONG
NORTH DAKOTA BORDER SOUTH OF THIS STORM. ALTHOUGH NOT BEING
INDICATED WELL ON RADAR. STORMS JUST NOW BEGINNING TO FIRE OVER
RICHLAND COUNTY (CAN SEE THEM OFF TO THE EAST OUT OF WINDOW). IF
THESE STORMS SHOW THE SAME EXPLOSIVE DEVELOPMENT AS THE CANADIAN
STORM...COULD HAVE A LONGER THAN EXPECTED EVENT. WILL LEAVE
WATCH/ZONE ARRANGEMENT ALONE FOR NOW.   POHL

EXTENDED...UPPER LOW REMAINS OVER ALBERTA UNTIL SAT WHEN IT MOVES
EAST AS AN OPEN TROF. THEN AN UPPER TROF DEVELOPS OVER WEST COAST
OVER THE WEEKEND THAT CONTINUES INTO EARLY NEXT WEEK. EXCEPT FOR A
BRIEF PERIOD ON SUNDAY...ERN MT IS IN SW FLOW ALOFT FOR THE ENTIRE
EXTENDED PERIOD WITH FREQUENT SHORTWAVES. GIVEN THE UNSETTLED
PATTERN...WILL NEED TO MENTION A CHANCE OF THUNDERSTORMS EACH DAY.
FORRESTER

KGGW 062/084 060/085 062/082 058/083 056/085 058/084 061/085
      TTTBBBB  793323/7933333
KGDV 063/085 061/085 061/085 057/085 058j/085 058/084 060/084
      TTTBBBB  794423/7933333

In the hours before

MTZ016-021-059-060-180430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
1000 PM MDT TUE JUL 17 2001

THE NATIONAL WEATHER SERVICE HAS CLEARED A PORTION OF SEVERE
THUNDERSTORM WATCH NUMBER 565. AREAS CLEARED FROM THE SEVERE
THUNDERSTORM WATCH INCLUDE:

IN NORTHEAST MONTANA:

PETROLEUM             PHILLIPS

THIS INCLUDES THE CITIES OF MALTA...WHITEWATER...WINNETT AND ZORTMAN.

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.