Alert archive / Washington / River Flood Watches in 2013

River Flood Watch 4, NWS Spokane, WA

May 22, 2013Okanogan County, Washington

NWS Spokane, WA issued this river flood watch at May 22, 2013, 9:25 AM PDT for Okanogan County, Washington. It took effect at May 23, 2013, 2:36 PM PDT. It was in force for 6 days.

The area

The counties it named.

The facts

Issued
May 22, 2013, 9:25 AM PDT (16:25 UTC)
In effect from
May 23, 2013, 2:36 PM PDT
Expired
May 29, 2013, 12:57 PM PDT
In force
6 days
Issued by
NWS Spokane, WA
Area
Storm-based polygon
Flood severity
None

County Okanogan County, WA

The radar

The Spokane radar (KOTX), 184 km from the middle of the area, began a volume at 16:25 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 Okanogan River near Tonasket (TONW1). The gauge peaked at 14.40 ft at May 23, 2013, 6:00 AM PDT.

actionminormoderatemajor1214161805/2205/2305/2405/2505/2605/2705/2805/2905/30
Action stage
14 ft
Minor stage
15 ft
Moderate stage
17 ft
Major stage
18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12445000, 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 May 22, 8:58 AM PDT, 27 minutes earlier.

Area forecast discussion, May 22, 8:58 AM PDT, 27 minutes before
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Hazardous weather outlook, May 22, 6:32 AM PDT, 2 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
632 AM PDT WED MAY 22 2013

IDZ002>004-026-WAZ032>036-041-043-044-231345-
COEUR D'ALENE AREA-IDAHO PALOUSE-CENTRAL PANHANDLE MOUNTAINS-
LEWISTON AREA-LOWER GARFIELD AND ASOTIN COUNTIES-
WASHINGTON PALOUSE-MOSES LAKE AREA-UPPER COLUMBIA BASIN-
SPOKANE AREA-WENATCHEE AREA-OKANOGAN VALLEY-WATERVILLE PLATEAU-
632 AM PDT WED MAY 22 2013

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...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

IDZ027-WAZ031-042-231345-
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS-
EAST SLOPES NORTHERN CASCADES-
632 AM PDT WED MAY 22 2013

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

.DAY ONE...TODAY AND TONIGHT

SNOW SHOWERS WILL IMPACT SOME MOUNTAIN ROADS AND PASSES THROUGH
TONIGHT. SNOW LEVELS NEAR 3000 FEET RISE TO NEAR 4000 FEET THIS
AFTERNOON...BEFORE DIPPING AGAIN TOWARD 3000 TO 3500 FEET
TONIGHT. TRAVEL ACROSS MOUNTAIN ROADS AND PASSES MAY BE
IMPACTED...ESPECIALLY UNDER HEAVIER SNOW SHOWERS WHERE LIGHT
ACCUMULATIONS WILL BE POSSIBLE. CHECK WITH THE DEPARTMENT OF
TRANSPORTATION FOR YOUR STATE FOR LATEST PASS CONDITIONS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

IDZ001-WAZ037-038-231345-
NORTHERN PANHANDLE-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-
632 AM PDT WED MAY 22 2013

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

.DAY ONE...TODAY AND TONIGHT

MODERATE RAIN ACROSS THE NORTHEAST MOUNTAINS OF WASHINGTON AND THE
NORTHERN PANHANDLE THROUGH THIS EVENING WILL CARRY THE POTENTIAL
FOR LOCALIZED FLOODING. LOW SPOTS ON HILLY TERRAIN AND AREAS NEAR
SMALL STREAMS AND CREEKS MAY BE IMPACTED. CONTACT THE NATIONAL
WEATHER SERVICE OR LOCAL LAW ENFORCEMENT IS ANY FLOODING IS
OBSERVED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 9:16 PM PDTFlood WatchOTXPend Oreille, Stevens12 hr
May 22, 9:19 AM PDTAreal Flood AdvisoryOTXPend Oreille12 hr
May 22, 2:52 PM PDTFreeze WarningOTXSpokane, Whitman16 hr

Nearby

River Flood Watches in Washington, 2013Every river flood watch in 2013

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.