Name: High Wind in Montana, April 4, 2001
Start: 2001-04-04T14:00
End: 2001-04-04T14:00
Location: Montana

The toll

Deaths: 0
Injuries: 0
Property damage: $1,000
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 Great Falls, MT wrote its last area forecast discussion before the first event at Apr 4, 2:00 PM MST, 0 minutes earlier.

Area forecast discussion, Apr 4, 2:00 PM MST, 0 minutes before

SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
300 PM MDT WED APR 4 2001

SYNOPSIS...LOW PRESSURE TROUGH OVER WESTERN STATES CONTINUES TO
ELONGATE PUTTING CWA UNDER SPLIT FLOW ALOFT TONIGHT AND THURSDAY.
ASSOCIATED DECREASE IN DYNAMICS AND MOISTURE WILL RESULT IN PARTLY
CLOUDY SKIES MOST OF CWA BY MORNING. NEXT PACIFIC SYSTEM APPROACHES
FRIDAY FOR INCREASING CHANCES OF SHOWERS.

DISCUSSION...ENERGY ASSOCIATED WITH UPPER LEVEL LOW PRESSURE TROUGH
OVER WESTERN STATES SPLITTING WITH MAJORITY MOVING TO NORTH AND SOUTH
OF CWA. CHANNELED VORTICITY REMAINS OVER REGION...HOWEVER WITH
RAPIDLY DRYING AIR MASS EXPECT ONLY ISOLATED SHOWERS THIS EVENING...
MAINLY OVER THE MOUNTAINS. NEXT PACIFIC LOW PRESSURE TROUGH
APPROACHES THE PACIFIC COAST THURSDAY CREATING A SOUTHWEST FLOW INTO
THE REGION. THIS COMBINED WITH MOSTLY SUNNY SKIES AND SOME
DOWNSLOPING SHOULD WARM TEMPERATURES SEVERAL DEGREES ACROSS CWA. AS
THE TROUGH BEGINS MOVING INLAND THURSDAY NIGHT...IT WILL BEGIN
PUSHING MOISTURE INTO REGION. FRIDAY...A WEAK DISTURBANCE WILL
BE CAUGHT BY THIS SOUTHWEST FLOW AND STEERED ACROSS THE CWA CREATING
SCATTERED SHOWERS OVER THE MOUNTAINS WITH ISOLATED SHOWERS IN THE
LOWER ELEVATIONS.

EXTENDED...UPPER LEVEL LOW WILL CONTINUE MOVING OUT OF THE SOUTHWEST
AS LONG WAVE TROUGH CONTINUES OVER THE WESTERN STATES THROUGH
SATURDAY. THIS SHOULD BRING A FEW SHOWERS TO EASTERN PORTIONS OF
CWA ON FRIDAY NIGHT...THEN TAPERING OFF ON SATURDAY. AFTERWARDS...
GENERAL TROUGH WILL PERSIST WITH A CHANCE OF SHOWERS SUNDAY THROUGH
TUESDAY. SOME RIDGING ON WEDNESDAY WILL REDUCE CHANCE OF SHOWERS. DB

CCF NUMBERS
GTF BC 025/053 029/051 032 03101
CTB BC 022/050 026/050 030 03000
HLN BC 022/053 027/053 031 03101
BZN EC 023/053 028/051 030 03111
WEY EC 018/041 015/044 018 03322
DLN EC 025/051 030/049 031 03111
HVR BC 026/057 028/056 032 03000
LWT BC 024/050 027/047 030 03112

Event by event

1 high wind. Local standard time, as filed.

High Wind, Madison

When: April 4, 2:00 PM MST
Where: Madison forecast zone
Measured: 60 kt (69 mph)
Property damage: $1,000
Reported by: GENERAL PUBLIC

Twin Bridges...storage shed roof damaged.

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 2001 Every state in 2001 This day in weather history Warnings in Montana, April 2001

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: 5241749.