Heavy Snow in Idaho, March 24 to 25, 2009

Name: Heavy Snow in Idaho, March 24 to 25, 2009
Start: 2009-03-24T22:00
End: 2009-03-25T17:00
Location: Idaho

March 24 to 25, 2009 · NWS OTX · 1 event in 1 county or zone

An early spring storm brought heavy snow to the Camas Prairie, where persistent moist upslope flow resulted in 11 inches of accumulation in Winchester.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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

Open the live radar over this ground

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 OTX wrote it up.

An early spring storm brought heavy snow to the Camas Prairie, where persistent moist upslope flow resulted in 11 inches of accumulation in Winchester.

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 Spokane, WA wrote its last area forecast discussion before the first event at Mar 24, 9:50 PM PST, 10 minutes earlier.

Area forecast discussion, Mar 24, 9:50 PM PST, 10 minutes before

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Hazardous weather outlook, Mar 24, 5:01 AM PST, 16 hours 59 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
601 AM PDT TUE MAR 24 2009

IDZ001-004-027-WAZ031-042-251315-
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS-
EAST SLOPES NORTHERN CASCADES-
601 AM PDT TUE MAR 24 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...
NORTH CENTRAL IDAHO...NORTH CENTRAL WASHINGTON AND SOUTHEAST
WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

A STORM SYSTEM WILL BRING SNOW TO THE MOUNTAINS OF THE INLAND
NORTHWEST TODAY AND TONIGHT. ANTICIPATE MODERATE TO HEAVY MOUNTAIN
SNOW ACCUMULATIONS...ESPECIALLY NEAR THE CASCADES CREST AND THE
CENTRAL IDAHO PANHANDLE MOUNTAINS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SNOW SHOWERS WILL CONTINUE ON WEDNESDAY WITH FURTHER ACCUMULATIONS
NEAR THE CASCADES CREST AND THE IDAHO PANHANDLE MOUNTAINS. ALSO ON
WEDNESDAY UPSLOPE FLOW WILL BRING FAVORABLE CONDITIONS FOR HEAVY
SNOW TO THE BLUE MOUNTAINS AND THE CAMAS PRAIRIE.

IDZ002-003-026-WAZ032-033-035>038-251315-
COEUR DALENE AREA-IDAHO PALOUSE-LEWISTON AREA-
LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE-
UPPER COLUMBIA BASIN-SPOKANE AREA-NORTHEAST MOUNTAINS-
OKANOGAN HIGHLANDS-
601 AM PDT TUE MAR 24 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...
NORTH CENTRAL IDAHO...EAST CENTRAL WASHINGTON...NORTH CENTRAL
WASHINGTON...NORTHEAST WASHINGTON AND SOUTHEAST WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

A FAST MOVING STORM SYSTEM WILL PUSH INTO EASTERN WASHINGTON
TODAY SPREADING LIGHT SNOW ACROSS MUCH OF REGION. WHILE
ACCUMULATIONS WILL BE LIGHT...SNOW ON ROADS MAY CREATE HAZARDOUS
DRIVING CONDITIONS ABOVE 2000 FEET ELEVATION.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SNOW SHOWERS WILL CONTINUE ON THROUGH WEDNESDAY.

WAZ034-041-043-044-251315-
MOSES LAKE AREA-WENATCHEE AREA-OKANOGAN VALLEY-WATERVILLE PLATEAU-
601 AM PDT TUE MAR 24 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
WASHINGTON...EAST CENTRAL WASHINGTON AND NORTH CENTRAL
WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

BREEZY CONDITIONS WILL DEVELOP TODAY...AND INCREASE THIS EVENING
WITH THE POSSIBILITY OF GUSTS TO 30 MPH OVERNIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

The radar

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

Open the radar archive at this moment

Event by event

1 heavy snow. Local standard time, as filed.

Heavy Snow, Lewis and Southern Nez Perce

When: March 24, 10:00 PM PST to March 25, 5:00 PM PST
Where: Lewis and Southern Nez Perce forecast zone
Reported by: COOP Observer
Coordinates: 46.282, -116.588 (the zone’s center; the record gives no point)

What these are

Heavy Snow: Snowfall reaching the local warning threshold without the other hazards of a winter storm.

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

The same day elsewhere

Every storm in Idaho in 2009 Every state in 2009 This day in weather history Warnings in Idaho, March 2009

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: 157582.