Montana, 2003

High Wind in Montana, April 10, 2003

April 10, 2003 · NWS TFX · 1 event in 1 county or zone

A wind gust of 59 mph occurred at Chinook 11S.

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 happened

The episode as NWS TFX wrote it up.

A wind gust of 59 mph occurred at Chinook 11S.

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 Great Falls, MT wrote its last area forecast discussion before the first event at Apr 10, 8:30 AM MST, 3 hours 55 minutes earlier.

Area forecast discussion, Apr 10, 8:30 AM MST, 3 hours 55 minutes before
SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
930 AM MDT THU APR 10 2003

NO UPDATES

.SHORT TERM...RELATIVELY DRY SW FLOW ALOFT OVER THE AREA TODAY WITH
NOT MUCH CLOUDINESS EXPECTED. LATEST MESOETA DEVELOPS WEAK
INSTABILITY OVER THE CENTRAL ZONES THIS AFTERNOON BUT MOISTURE IS
LACKING AND DO NOT REALLY SEE ANY FORCING MECHANISMS FOR LIFT. 06Z
AVN HAD MORE INSTABILITY THAN THIS MORNINGS MESOETA BUT THEIR LOW
LEVEL DEWPOINTS SEEM TOO HIGH. CURRENT PARTLY CLOUDY FORECAST LOOKS
FINE. FORECAST HIGHS FOR TODAY LOOK IN THE BALLPARK. LATEST ETA IS
SIMILAR TO ITS PREVIOUS RUN THROUGH FRI BUT DID NOTICE IT HAS A
SMALLER AREA OF QPF OVER THE NRN ZONES FRI AFTERNOON. BLANK

.EXTENDED...LARGE UPPER LOW OFF THE CALIFORNIA COAST ON SUNDAY
SLOWLY MOVES INTO THE FOUR CORNERS REGION BY TUESDAY KEEPING MONTANA
IN A BROAD AREA OF LOW PRESSURE. THIS WILL RESULT IN SHOWERY
CONDITIONS WITH TEMPERATURES RUNNING NEAR SEASONAL NORMS. JCA

.CCF NUMBERS
GTF BB 069/040 070/038 069 13001
    EEEEE 037/059 035/055 036/055 034/054 1333333333
CTB BE 064/037 063/034 064 13--1
    EEEEE 035/054 031/051 033/052 031/053 1433333333
HLN BB 070/036 070/037 070 130-1
    EEEEE 037/061 034/056 034/056 032/054 1333333333
BZN BB 072/032 071/033 071 13001
    EEEEE 034/057 030/054 033/053 031/054 1333333333
WEY BB 058/020 058/022 060 13001
    BEEEE 027/049 023/046 026/047 024/047 1234444333
DLN EB 067/035 067/035 067 13001
    EEEEE 034/055 031/052 031/052 029/054 1333333333
HVR BB 071/037 072/037 070 13-01
    EEEEE 037/063 032/059 039/056 037/054 1233333333
LWT BB 068/038 069/038 068 13-01
    BEEEE 037/060 032/053 034/053 032/051 1233333333

.TFX...NONE.
Hazardous weather outlook, Apr 10, 5:10 AM MST, 7 hours 15 minutes before
MTZ008>015-044>055-110010-
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREAT FALLS MT
610 AM MDT THU APR 10 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND SOUTHWEST
MONTANA

.DAY ONE...TODAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

NO WATCHES, WARNINGS, OR ADVISORIES CURRENTLY IN EFFECT

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

Event by event

1 high wind. Local standard time, as filed.

High Wind, Blaine

When
April 10, 12:25 PM MST
Where
Blaine forecast zone
Measured
51 kt (59 mph) measured gust
Reported by
TRAINED SPOTTER

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Montana in 2003Every state in 2003This day in weather historyWarnings in Montana, April 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: 5348099.