Alert archive / Washington / Snow Advisories in 2007
Snow Advisory 23, NWS Spokane, WA
NWS Spokane, WA issued this snow advisory at Dec 2, 2007, 4:42 AM PST for Spokane County, Whitman County, Washington; Benewah County, Latah County, Idaho. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Dec 2, 2007, 4:42 AM PST (12:42 UTC)
- Expired
- Dec 2, 2007, 9:16 AM PST
- In force
- 5 hr
- Issued by
- NWS Spokane, WA
Counties Benewah County, ID, Latah County, ID, Spokane County, WA, Whitman County, WA
The radar
The Spokane radar (KOTX), 73 km from the middle of the area, began a volume at 12:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 0.7 hours before the alert went out and 80 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 696 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 277 m²/s²
- 0-3 km storm-relative helicity
- 351 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this snow advisory went out, 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 this snow advisory went out at Dec 2, 2:44 AM PST, 1 hour 58 minutes earlier.
Area forecast discussion, Dec 2, 2:44 AM PST, 1 hour 58 minutes before
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</html>Hazardous weather outlook, Dec 1, 6:42 AM PST, 22 hours before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 642 AM PST SAT DEC 1 2007 IDZ001-002-004-WAZ035>038-041>044-021500- NORTHERN PANHANDLE-COEUR DALENE AREA-CENTRAL PANHANDLE MOUNTAINS- UPPER COLUMBIA BASIN-SPOKANE AREA-NORTHEAST MOUNTAINS- OKANOGAN HIGHLANDS-WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES- OKANOGAN VALLEY-WATERVILLE PLATEAU- INCLUDING THE CITIES OF...SANDPOINT...RATHDRUM...BONNERS FERRY... PRIEST RIVER...COEUR DALENE...POST FALLS...HAYDEN...KELLOGG... ST MARIES...PINEHURST...OSBURN...WALLACE...MULLAN...RITZVILLE... GRAND COULEE...ODESSA...WILBUR...COULEE CITY...SPOKANE...CHENEY... DAVENPORT...ROCKFORD...COLVILLE...DEER PARK...CHEWELAH... NEWPORT...KETTLE FALLS...REPUBLIC...INCHELIUM...WENATCHEE... CHELAN...ENTIAT...CASHMERE...LEAVENWORTH...MAZAMA...TWISP... WINTHROP...STEHEKIN...CONCONULLY...OMAK...OKANOGAN...BREWSTER... BRIDGEPORT...OROVILLE...NESPELEM...WATERVILLE...MANSFIELD 642 AM PST SAT DEC 1 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...CENTRAL WASHINGTON...EAST CENTRAL WASHINGTON...NORTH CENTRAL WASHINGTON AND NORTHEAST WASHINGTON. PLEASE SEE THE FOLLOWING PRODUCTS FOR MORE INFORMATION. SEAWSWOTX /WWUS46 KOTX/ .DAY ONE...TODAY AND TONIGHT THE FIRST OF SEVERAL ROUNDS OF SIGNIFICANT WINTRY PRECIPITATION IS EXPECTED TO OVERSPREAD PORTIONS OF CENTRAL AND EASTERN WASHINGTON TONIGHT. ACCUMULATING SNOW WILL LIKELY IMPACT TRAVEL IN THE WENATCHEE...OMAK...REPUBLIC...COLVILLE...COULEE CITY...AND SPOKANE AREAS BY SUNDAY MORNING. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY MORE SNOW IS EXPECTED SUNDAY INTO MONDAY. THE MOST SIGNIFICANT ACCUMULATIONS WILL OCCUR IN THE MOUNTAINS...BUT UP TO A FOOT OF SNOW WILL BE POSSIBLE IN THE VALLEYS OF THE EAST SLOPES OF THE NORTHERN CASCADES...THE VALLEYS OF NORTHERN WASHINGTON NEAR THE CANADIAN BORDER...AND THE OKANOGAN VALLEY. IDZ003-026-027-WAZ031>034-021500- IDAHO PALOUSE-LEWISTON AREA-LEWIS AND SOUTHERN NEZ PERCE COUNTIES- NORTHEAST BLUE MOUNTAINS-LOWER GARFIELD AND ASOTIN COUNTIES- WASHINGTON PALOUSE-MOSES LAKE AREA- INCLUDING THE CITIES OF...MOSCOW...PLUMMER...POTLATCH...GENESEE... LEWISTON...LAPWAI...PECK...CULDESAC...KAMIAH...CRAIGMONT... NEZPERCE...WINCHESTER...ANATONE...PEOLA...CLARKSTON...POMEROY... PULLMAN...COLFAX...ROSALIA...LA CROSSE...MOSES LAKE...EPHRATA... OTHELLO...QUINCY 642 AM PST SAT DEC 1 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...NORTH CENTRAL IDAHO...EAST CENTRAL WASHINGTON AND SOUTHEAST WASHINGTON. .DAY ONE...TODAY AND TONIGHT LIGHT SNOW IS EXPECTED TO BRING LOCALLY TREACHEROUS DRIVING CONDITIONS TO PORTIONS OF THE UPPER COLUMBIA BASIN AND PALOUSE TONIGHT. ACCUMULATIONS ARE EXPECTED TO BE THE MOST SIGNIFICANT NORTH OF INTERSTATE 90. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A MIX OF SNOW...SLEET...FREEZING RAIN...AND RAIN WILL CONTRIBUTE TO HAZARDOUS DRIVING CONDTIONS SATURDAY THROUGH SUNDAY EVENING. MINOR SNOW ACCUMULATIONS ARE POSSIBLE IN THE MOSES LAKE... RITZVILLE...AND PULLMAN AREAS ON SATURDAY. A TRANSITION FROM SNOW TO SLEET OR FREEZING RAIN IS POSSIBLE SATURDAY NIGHT INTO SUNDAY. BY SUNDAY NIGHT...THE PREDOMINANT PRECIPITATION TYPE OVER THE COLUMBIA BASIN EAST THROUGH THE PALOUSE WILL BE RAIN.
In the hours before
Local storm report, Dec 1, 11:30 PM PST, 5 hours 12 minutes before
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</html>The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 2, 4:42 AM PST | Heavy Snow Warning | OTX | Lincoln, Spokane | 5 hr |
| Dec 2, 10:08 AM PST | Wind Advisory | OTX | Lewis, Nez Perce | 23 hr |
| Dec 2, 2:40 PM PST | Snow and Blowing Snow Advisory | OTX | Lewis, Nez Perce | 14 hr |
Nearby
Snow Advisories in Washington, 2007Snow Advisories in Idaho, 2007Every snow advisory in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.