High Wind in Montana, September 13, 2003

Name: High Wind in Montana, September 13, 2003
Start: 2003-09-13T15:24
End: 2003-09-13T15:24
Location: Montana

September 13, 2003 · NWS TFX · 1 event in 1 county or zone

A high wind gust of 59 mph occurred at Chinook 11S at 1524 MST.

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 high wind gust of 59 mph occurred at Chinook 11S at 1524 MST.

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 Sep 13, 1:25 PM MST, 1 hour 59 minutes earlier.

Area forecast discussion, Sep 13, 1:25 PM MST, 1 hour 59 minutes before

SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
225 PM MDT SAT SEP 13 2003

.SHORT TERM...PROGESSIVE AUTUMN-LIKE PATTERN WILL CONTINUE. LAST
VESTIGE OF UPPER LOW MOVING ACROSS SOUTHEAST CANADA NOW SHOWING UP
AS AREA OF WEAK RAIN SHOWERS OVER EASTERN PORTION OF THE CWA. THESE
SHOWERS CONTINUE TO MOVE SOUTHEAST AND SHOULD BE OVER BY EVENING.
SKIES SHOULD CLEAR FROM THE WEST TONIGHT AS A POSITIVE TILT UPPER
RIDGE BUILDS OVER THE AREA. VERY PLEASANT DAY IN STORE FOR THE AREA
SUNDAY AS SUBSIDENCE BRINGS WARMTH AND DRY CONDITIONS. A WEAK
SHORT WAVE MOVES ACROSS SOUTHERN CANADA SUNDAY NIGHT AS UPPER RIDGE
AXIS SHIFTS EAST. PRECIPITATION FROM THIS FEATURE SHOULD BE
CONFINED TO MAINLY ALONG THE CANADIAN BORDER. FLOW ALOFT BEGINS TO
BACK EARLY MONDAY IN RESPONSE TO UPPER TROF MOVING ONSHORE PACIFIC
NORTHWEST COAST. PRECIPITATION CHANCES INCREASE MONDAY NIGHT INTO
TUESDAY AS UPPER TROF APPROACHES. SUNDAY SHOULD BE THE WARMEST DAY
WITH HIGH TEMPERATURES SLOWLY FALLING INTO MIDWEEK. LOW TEMPERATURES
TONIGHT LIKELY TO REACH FREEZING MARK OR BELOW OVER SOUTHWEST
MONTANA. EMANUEL

.LONG TERM...WEDNESDAY THROUGH SATURDAY...UPPER LEVEL LOW OVER AREA
ON WEDNESDAY FOR COOL AND UNSETTLED WEATHER. BY THURSDAY...UPPER
RIDGE OF HIGH PRESSURE BEGINS TO MOVE INTO REGION FOR DRIER
CONDITIONS. IT WILL BE QUITE COOL WITH WIDESPREAD 20S AND 30S ACROSS
NORTH CENTRAL MONTANA DURING THE MORNING. THEN A WARMING TREND WILL
SET UP THURSDAY AND CONTINUE INTO SATURDAY. WILLIAMSON DC

.CCF NUMBERS
GTF UB 040/074 044/070 044 08000
    EEUUU 062/036 049/032 064/036 070/041 074 22333000000
CTB BE 038/071 041/064 039 08001
    EEUUB 058/034 046/027 061/032 066/039 067 22433000000
HLN UB 038/074 042/071 041 08000
    EEUUU 066/036 055/032 064/040 070/041 076 12333000000
BZN UB 031/073 037/070 038 08000
    EEUUU 065/032 055/036 062/035 068/035 072 02333000000
WEY UB 022/063 025/063 030 08000
    EEUUU 055/025 046/032 052/033 061/032 067 02343000000
DLN UB 033/072 039/070 038 08000
    EEUUU 063/035 055/035 061/035 065/038 072 02243000000
HVR UB 037/076 042/072 040 08000
    EEUUB 063/036 052/032 064/034 069/040 074 22333000000
LWT UB 035/072 042/070 040 08000
    EEUUB 064/035 055/034 060/039 067/039 073 12333000000

.TFX...NONE.

Hazardous weather outlook, Sep 13, 8:00 AM MST, 7 hours 24 minutes before

MTZ008>015-044>055-140010-
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREAT FALLS MT
900 AM MDT SAT SEP 13 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND SOUTHWEST
MONTANA

.DAY ONE...TODAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

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: September 13, 3:24 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

Every storm in Montana in 2003 Every state in 2003 This day in weather history Warnings in Montana, September 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: 5337106.