Thunderstorm Wind, Roosevelt
- When
- June 20, 9:19 PM MST
- Where
- Roosevelt County, Poplar
- Measured
- 52 kt (60 mph) measured gust
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 48.100, -105.200
Damaging Wind in Montana, June 20, 2003
1 thunderstorm wind, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Glasgow, MT wrote its last area forecast discussion before the first event at Jun 20, 7:40 PM MST, 1 hour 39 minutes earlier.
Area forecast discussion, Jun 20, 7:40 PM MST, 1 hour 39 minutes before
NORTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
840 PM MDT FRI JUN 20 2003
.SHORT TERM...STRONG THUNDERSTORM ACTIVITY FALLING MOSTLY A LITTLE
SHORT OF SEVERE...NUMEROUS 40-50 MPH WIND GUSTS EARLIER. 60 VILS
PRODUCED MAINLY JUST SMALL HAIL. WATCH CANCELLED. BEST DYNAMICS WITH
COLD FRONT IN OUR EAST THIS EVENING...MOVING OUT OF STATE OVERNIGHT.
NEW MESOETA INDICATING VORTICITY CENTERED MOVING UP FROM S CENTRAL
MONTANA OVERNIGHT. AIRMASS WILL BE MOIST AND UNSTABLE ENOUGH TO
MAINTAIN SCATTERED THUNDERSTORM POPS OVERNIGHT. MAIN UPDATE WILL BE
FOR POPS AND TO DROP SEVERE MENTION AND WATCH. SIMONSEN
.LONG TERM...MONDAY NIGHT THROUGH FRIDAY
PERIOD DOMINATED BY MEAN LONG WAVE TROUGH OVER WESTERN CONUS AND
SOUTHWEST CANADA. MAINLY SEASONABLY COOL AND UNSETTLED WEATHER
LIKELY RESULT. MODELS IN PRETTY GOOD INITIAL AGREEMENT HOLDING
CURRENT WESTERN TROUGH QUASI-STATIONARY THROUGH END OF SHORT TERM
FORECAST WINDOW...THEN ROTATING ANOTHER TROUGH INTO MEAN TROUGH FROM
GULF OF ALASKA WITH POSSIBLY A BRIEF BREAK BETWEEN. TIMING AND
EVOLUTION OF THIS PATTERN 4 DAYS IN THE FUTURE VERY DIFFICULT TO
CALL WITH CONFIDENCE...HENCE WILL BROADBRUSH WITH CHANCE POPS EVEN
THOUGH THERE MAY BE A DEFINITE BREAK SOMETIME BETWEEN THESE SYSTEMS.
GFS AND CANADIAN TENDING TO DAMP LONG WAVE BY MIDDLE OF NEXT WEEK AS
SYSTEM FILLS/FLATTENS...WHILE ECMWF MAINTAINS MORE AMPLIFIED TROUGH.
WILL GO WITH GFS/CANADIAN TREND...FINALLY ENDING CHANCE POPS
THURSDAY NIGHT AND FRIDAY AND ALLOWING FOR SLIGHT WARMING UNDER MORE
ZONAL FLOW. HAVE MADE RELATIVELY FEW AND MINOR CHANGES TO GOING
FORECAST DUE TO PERSISTENCE OF THIS SYSTEM. DNS
KGGW TTT 055/073 049/069 047/068 82422323
TTTB 049/069 049/070 049/074 049/076 8633333300
KGDV TTT 058/074 049/069 045/070 82432323
TTTB 050/071 050/072 050/076 050/077 8633333300
.GGW...NONE.Hazardous weather outlook, Jun 20, 2:30 PM MST, 6 hours 49 minutes before
MTZ016>027-059>062-211200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GLASGOW MT 330 PM MDT FRI JUN 20 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MONTANA .DAY ONE... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHEAST MONTANA THROUGH 11 PM MDT. SOME THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. FOR FURTHER DETAILS PLEASE SEE WWUS65 KGGW OR GTFWCNGGW. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. THUNDERSTORMS ARE POSSIBLE EACH SATURDAY THROUGH THURSDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. VALONE
In the hours before
Local storm report, Jun 20, 5:10 PM MST, 4 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
0610 PM MDT FRI JUN 20 2003
TIME(MDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0520 PM ZORTMAN MT 58 MPH WIND GUST
06/20/03 PHILLIPS
VALONELocal storm report, Jun 20, 6:16 PM MST, 3 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
0716 PM MDT FRI JUN 20 2003
TIME(MDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0645 PM 15 E BREDETTE MT 0.75 IN HAIL
06/20/03 ROOSEVELT
VALONEThe radar
The Glasgow radar (KGGW), 106 km away, was scanning. The volume nearest the first event began at 04:20 UTC.
Event by event
1 thunderstorm wind. Local standard time, as filed.
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Nebraska, June 20, 2003
- Flood in Pennsylvania, June 20 to 21, 2003
- Hail in Colorado, June 20, 2003
- Hail and Damaging Winds in Texas, June 20, 2003
- Damaging Winds in Texas, June 20, 2003
- Flash Flood in Florida, June 20, 2003
- Flash Flooding and Hail in Texas, June 20, 2003
- Flash Flood in Florida, June 20, 2003
- Damaging Wind in Montana, June 20, 2003
- Hail and Damaging Winds in South Dakota, June 20, 2003
- Tornado and Hail in Colorado, June 20, 2003
- Flash Flooding and Hail in Texas, June 20, 2003
More
Every storm in Montana in 2003Every state in 2003This day in weather historyWarnings in Montana, June 2003
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5365593.