Alert archive / Washington / River Flood Watches in 2009

River Flood Watch 2, NWS Spokane, WA

January 8, 2009Whitman County, Washington; Latah County, Idaho

NWS Spokane, WA issued this river flood watch at Jan 8, 2009, 7:58 PM PST for Whitman County, Washington; Latah County, Idaho. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Jan 8, 2009, 7:58 PM PST (03:58 UTC)
Expired: Jan 9, 2009, 6:37 AM PST
In force: 11 hr
Issued by: NWS Spokane, WA
Flood severity: None

Counties Latah County, ID, Whitman County, WA

The radar

The Spokane radar (KOTX), 99 km from the middle of the area, began a volume at 03:57 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 river

Written for the forecast point South Fork Palouse River at Pullman (PULW1). The gauge peaked at 5.95 ft at Jan 8, 2009, 6:00 PM PST.

Action stage: 5.5 ft
Minor stage: 7 ft
Moderate stage: 8 ft
Major stage: 9 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 13348000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood watch 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 river flood watch went out at Jan 8, 6:52 PM PST, 1 hour 6 minutes earlier.

Area forecast discussion, Jan 8, 6:52 PM PST, 1 hour 6 minutes before

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Hazardous weather outlook, Jan 8, 6:12 AM PST, 13 hours 46 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
612 AM PST THU JAN 8 2009

WAZ034-035-041-043-044-091415-
MOSES LAKE AREA-UPPER COLUMBIA BASIN-WENATCHEE AREA-
OKANOGAN VALLEY-WATERVILLE PLATEAU-
612 AM PST THU JAN 8 2009

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

.DAY ONE...TODAY AND TONIGHT
A PASSING COLD FRONT WILL GRADUALLY DELIVER COOLER AND DRIER
CONDITIONS TO THE AREA. THIS FRONT WILL SLOW THE SNOWMELT AND
CONSEQUENTLY ALLOW MOST OF THE SMALL RIVERS AND STREAMS TO CREST
BEFORE TONIGHT. THE COLD FRONT WILL ALSO BRING BRISK WEST TO
NORTHWEST WINDS WITH GUSTS FROM 35 TO 40 MPH POSSIBLE BY AFTERNOON
ESPECIALLY IN THE WENATCHEE AREA AND ONTO THE WATERVILLE PLATEAU.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

IDZ001>004-026-027-WAZ031>033-036>038-042-091415-
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-
SPOKANE AREA-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-
EAST SLOPES NORTHERN CASCADES-
612 AM PST THU JAN 8 2009

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

.DAY ONE...TODAY AND TONIGHT

WARM AND WINDY CONDITIONS WILL CONTINUE THROUGH TODAY WITH MORE
RAINFALL EXPECTED...ESPECIALLY OVER THE IDAHO PANHANDLE AND NEAR
THE CASCADE CREST WHERE AROUND AN INCH OF RAIN IS POSSIBLE THROUGH
TONIGHT. THE RAIN COMBINED WITH SNOWMELT WILL BRING INCREASING
RIVER LEVELS...SOME OF WHICH COULD EXCEED FLOOD STAGE. THE
LARGEST RISES ARE EXPECTED TO OCCUR OVER THE CENTRAL IDAHO
PANHANDLE ON THE ST. JOE AND COEUR DALENE BASINS AS WELL AS OVER
THE PALOUSE. ADDITIONAL FLOODING COULD DEVELOP DUE TO ICE JAMS.
FALLING SNOW LEVELS OVERNIGHT WILL DRAMATICALLY SLOW THE RUNOFF
INTO THE RIVERS AND STREAMS.

THE COLD FRONT WILL ALSO BRING STRONG SOUTHWEST WINDS WITH GUSTS
RANGING FROM 35 TO 40 MPH ESPECIALLY ACROSS THE PALOUSE AND INTO
THE SPOKANE AND COEUR DALENE AREA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

RIVER LEVELS WILL BEGIN TO FALL AS DRIER AND GENERALLY COOLER
WEATHER WILL PERSIST OVER THE REGION THROUGH EARLY NEXT WEEK.

In the hours before

Local storm report, Jan 8, 4:50 PM PST, 3 hours 8 minutes before

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The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 9, 2:39 PM PST	Areal Flood Warning	OTX	Whitman	16 hr
Jan 9, 2:46 PM PST	Winter Weather Advisory	OTX	Lincoln, Pend Oreille, Spokane, Stevens, Whitman	37 hr

Nearby

River Flood Watches in Washington, 2009 River Flood Watches in Idaho, 2009 Every river flood watch in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.