Alert archive / Washington / Flood Watches in 2009

Flood Watch 1, NWS Spokane, WA

January 5, 20097 counties in Washington; 7 counties in Idaho

NWS Spokane, WA issued this flood watch at Jan 5, 2009, 4:08 PM PST for 7 counties in Washington; 7 counties in Idaho. It took effect at Jan 6, 2009, 4:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 5, 2009, 4:08 PM PST (00:08 UTC)
In effect from: Jan 6, 2009, 4:00 PM PST
Expired: Jan 6, 2009, 2:28 PM PST
In force
Issued by: NWS Spokane, WA
Flood severity: None

Counties Benewah County, ID, Bonner County, ID, Boundary County, ID, Kootenai County, ID, Latah County, ID, Nez Perce County, ID, Shoshone County, ID, Asotin County, WA, Garfield County, WA, Lincoln County, WA, Pend Oreille County, WA, Spokane County, WA, Stevens County, WA, Whitman County, WA

The radar

The Spokane radar (KOTX), 50 km from the middle of the area, began a volume at 00:13 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 00:00Z, 0.1 hours before the alert went out and 58 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 589 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this 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 flood watch went out at Jan 5, 3:58 PM PST, 10 minutes earlier.

Area forecast discussion, Jan 5, 3:58 PM PST, 10 minutes before

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Hazardous weather outlook, Jan 5, 12:15 PM PST, 3 hours 53 minutes before

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In the hours before

Local storm report, Jan 5, 10:41 AM PST, 5 hours 27 minutes before

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Special weather statement, Jan 5, 11:06 AM PST, 5 hours 2 minutes before

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Local storm report, Jan 5, 11:32 AM PST, 4 hours 36 minutes before

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Local storm report, Jan 5, 12:26 PM PST, 3 hours 42 minutes before

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Local storm report, Jan 5, 1:05 PM PST, 3 hours 3 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 6, 11:00 AM PST	Winter Storm Warning	OTX	Pend Oreille, Spokane, Stevens	19 hr
Jan 6, 2:34 PM PST	Areal Flood Warning	OTX	Spokane	71 hr
Jan 6, 2:46 PM PST	Areal Flood Advisory	OTX	Pend Oreille, Stevens	47 hr
Jan 6, 2:54 PM PST	Areal Flood Warning	OTX	Asotin, Garfield, Whitman	3 days

Nearby

Flood Watches in Washington, 2009 Flood Watches in Idaho, 2009 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.