High Wind in Idaho, April 14, 2002

Name: High Wind in Idaho, April 14, 2002
Start: 2002-04-14T13:30
End: 2002-04-14T15:00
Location: Idaho

April 14, 2002 · NWS MSO · 2 events in 2 counties and zones

Strong winds associated with a cold front generated minor sign and vehicle damage in the Grangeville area, while power lines and trees were knocked down in Orofino and Salmon, Idaho.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 2

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 MSO wrote it up.

Strong winds associated with a cold front generated minor sign and vehicle damage in the Grangeville area, while power lines and trees were knocked down in Orofino and Salmon, Idaho.

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 Missoula, MT wrote its last area forecast discussion before the first event at Apr 14, 12:40 PM MST, 50 minutes earlier.

Area forecast discussion, Apr 14, 12:40 PM MST, 50 minutes before

WESTERN MONTANA AND NORTH CENTRAL IDAHO FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
140 PM MDT SUN APR 14 2002

.SHORT TERM...POST FRONTAL ENVIRONMENT TONIGHT WITH WITH WEAK
SHORTWAVE ENERGY PASSING THROUGH WASHINGTON FOR ISOLATED TO SCATTERED
SHOWERS. CONTINUED WINDY THIS EVENING...BUT GRADIENT RELAXING AND
WINDS ALOFT SLACKENING A BIT...SO AM NOT PLANNING EXTENDING
WIND ADVISORY BEYOND 00Z...BUT EVENING SHIFT CAN EVALUATE. ALSO
HAVE HYDRO CONCERNS WITH FISHER...YAAK...AND ST. REGIS AT OR ABOVE
FLOOD STAGE. RAIN AND MELTING SNOWPACK CAUSING SMALL STREAM FLOODING
IN MINERAL AND CLEARWATER COUNTIES AT LEAST THROUGH MIDNIGHT.
SHORTWAVES AND JET CARVING OUT COLD TROUGH THE NEXT THREE DAYS.
TIMING SMALLER-SCALE SYSTEMS IS TOUGH...SO GENERAL CHANCE SHOWERS AND
COOL TEMPS IN THE FORECAST...EXCEPT FOR HIGHER POPS MONDAY AFTERNOON
IN THE NORTH AND WEST WITH SURFACE TROUGH BETWEEN LOWS. SIGLER

.LONG TERM...UPPER LEVEL LONGWAVE TROUGH WILL REMAIN OVER THE REGION
THROUGH THURSDAY. RIDGE OF HIGH PRESSURE BUILDS IN OVER THE WEST
COAST FRIDAY AND SATURDAY BRINGING A SLIGHTLY WARMER AND DRIER AIR
MASS BEFORE NEXT LONGWAVE TROF APPROACHES THE REGION LATE SAT INTO
SUNDAY.  RPN

.MSO...FLOOD WARNINGS FOR FISHER...YAAK AND ST. REGIS RIVERS.

...7-DAY SPOT TEMPS AND POPS...
LIB OEE 032/046 028/043 027/047 31465434
     EBBE 030/052 032/055 034/059 034/061 4033100033
FCA OEE 031/046 027/042 026/046 31355434
     EBBE 029/050 030/054 032/057 034/058 4033100023
POL OEE 035/047 033/044 032/046 31255434
     EBBE 032/052 033/055 035/059 038/060 4032100013
MSO EEE 032/047 028/043 027/046 31235434
     EBBE 030/050 030/055 033/061 035/062 4033200013
HMM EEO 033/048 029/045 028/048 31234445
     EBBE 032/052 033/057 035/062 038/063 4033200013
BTM EEE 027/043 023/040 021/041 31433434
     EBBE 022/042 022/047 024/055 029/056 4033200013
ORO WEW 039/052 037/051 038/052 31265455
     EBBE 038/056 039/061 040/064 043/065 4033100013
GRV WEE 035/047 034/046 034/048 31265455
     EBBE 035/053 036/058 037/061 039/062 4033100013
SMN EEO 035/049 031/046 031/045 31433445
     EBBE 029/047 030/053 032/058 034/059 4033200013

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 high wind. Local standard time, as filed.

High Wind, Orofino / Grangeville Region

When: April 14, 1:30 PM MST
Where: Orofino / Grangeville Region forecast zone
Measured: 36 kt (41 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 46.259, -115.562 (the zone’s center; the record gives no point)

High Wind, Eastern Lemhi County

When: April 14, 3:00 PM MST
Where: Eastern Lemhi County forecast zone
Measured: 42 kt (48 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 44.943, -113.933 (the zone’s center; the record gives no point)

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 Idaho in 2002 Every state in 2002 This day in weather history Warnings in Idaho, April 2002

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: 5289829, 5289830.