Alert archive / Washington / River Flood Watches in 2017

River Flood Watch 23, NWS Spokane, WA

May 28, 2017Okanogan County, Washington

NWS Spokane, WA issued this river flood watch at May 28, 2017, 2:22 PM PDT for Okanogan County, Washington. It took effect at May 30, 2017, 12:12 PM PDT. It was in force for 5 days.

The area

The counties it named.

The facts

Issued
May 28, 2017, 2:22 PM PDT (21:22 UTC)
In effect from
May 30, 2017, 12:12 PM PDT
Expired
Jun 4, 2017, 12:42 AM PDT
In force
5 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 21:24 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 Methow River near Pateros (PATW1). The gauge peaked at 10.36 ft at May 31, 2017, 5:00 PM PDT.

actionminormoderatemajor8101205/2805/2905/3005/3106/0106/0206/0306/0406/05
Action stage
9 ft
Minor stage
10 ft
Moderate stage
11 ft
Major stage
12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12449950, 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 28, 2:19 PM PDT, 3 minutes earlier.

Area forecast discussion, May 28, 2:19 PM PDT, 3 minutes before
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Hazardous weather outlook, May 28, 5:00 AM PDT, 9 hours 22 minutes before
Hazardous Weather Outlook
National Weather Service Spokane WA
500 AM PDT Sun May 28 2017

IDZ002>004-026-027-WAZ031>036-041-044-291230-
COEUR D'ALENE 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-WENATCHEE AREA-WATERVILLE PLATEAU-
500 AM PDT Sun May 28 2017

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...MONDAY THROUGH SATURDAY

A cold front moves in around Tuesday night to Wednesday, with
additional disturbances behind it through the end of the week.
This will increase the chance of showers and thunderstorms
across the region. The best threat for stronger thunderstorms
comes Wednesday. Confidence in precise coverage and intensity
of thunderstorms is low, but any stronger thunderstorms could
produce locally heavy downpours, gusty winds and hail.

IDZ001-WAZ037-038-042-043-291230-
NORTHERN PANHANDLE-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-
EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
500 AM PDT Sun May 28 2017

This Hazardous Weather Outlook is for portions of North Idaho...
North Central Washington and Northeast Washington.

.DAY ONE...TODAY AND TONIGHT

The probability of widespread hazardous weather is low. Warming
temperatures will result in increased snowmelt, with continued or
additional rises on area rivers and streams. Localized mainstem
river flooding is possible near the Cascades.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Warm temperatures will result in increased snowmelt, with
continued or additional rises on area rivers and streams.
Localized mainstem river flooding is possible.

A cold front moves in around Tuesday night to Wednesday, with
additional disturbances behind it through the end of the week.
This will increase the chance of showers and thunderstorms
across the region. The best threat for stronger thunderstorms
comes between Tuesday night into Wednesday, starting in the
Cascades. Confidence in precise coverage and intensity of
thunderstorms is low, but any stronger thunderstorms could
produce locally heavy downpours, gusty winds and hail.

Nearby

River Flood Watches in Washington, 2017Every river flood watch in 2017

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.