Alert archive / Idaho / Snow Advisories in 2007
Snow Advisory 24, NWS Spokane, WA
NWS Spokane, WA issued this snow advisory at Dec 9, 2007, 2:31 PM PST for 4 counties in Idaho. It took effect at Dec 9, 2007, 10:00 PM PST. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 9, 2007, 2:31 PM PST (22:31 UTC)
- In effect from
- Dec 9, 2007, 10:00 PM PST
- Expired
- Dec 10, 2007, 2:14 AM PST
- In force
- 4 hr
- Issued by
- NWS Spokane, WA
Counties Benewah County, ID, Kootenai County, ID, Latah County, ID, Shoshone County, ID
The radar
The Spokane radar (KOTX), 97 km from the middle of the area, began a volume at 22:33 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, 10.5 hours before the alert went out and 49 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
- 764 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 169 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 9, 12:26 PM PST, 2 hours 5 minutes earlier.
Area forecast discussion, Dec 9, 12:26 PM PST, 2 hours 5 minutes before
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</html>Hazardous weather outlook, Dec 9, 1:47 PM PST, 44 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 147 PM PST SUN DEC 9 2007 IDZ001>004-026-027-WAZ031>038-041>044-101400- NORTHERN PANHANDLE-COEUR DALENE AREA-IDAHO PALOUSE- CENTRAL PANHANDLE MOUNTAINS-LEWISTON AREA- LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE- MOSES LAKE AREA-UPPER COLUMBIA BASIN-SPOKANE AREA- NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-WENATCHEE AREA- EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-WATERVILLE PLATEAU- 147 PM PST SUN DEC 9 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO... NORTH CENTRAL IDAHO...CENTRAL WASHINGTON...EAST CENTRAL WASHINGTON...NORTH CENTRAL WASHINGTON...NORTHEAST WASHINGTON AND SOUTHEAST WASHINGTON. .DAY ONE...THIS AFTERNOON AND TONIGHT LIGHT SNOWFALL WILL ACCOMPANY A PASSING FRONT TODAY...POSSIBLY BRINGING AN INCH TO LOCATIONS NEAR MOSES LAKE...AND A BIT MORE FOR AREAS FROM SPOKANE DOWN TO PULLMAN AND POINTS TO THE EAST. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NEXT WEATHER SYSTEM OF INTEREST THAT MAY BRING SIGNIFICANT SNOWFALL TO JUST ABOUT ALL OF EASTERN WASHINGTON AND NORTHERN IDAHO...REGARDLESS OF ELEVATION...IS EXPECTED TO PASS FRIDAY AND FRIDAY NIGHT.
Nearby
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.