Alert archive / Washington / Flood Watches in 2014
Flood Watch 4, NWS Spokane, WA
NWS Spokane, WA issued this flood watch at Dec 10, 2014, 12:28 PM PST for Chelan County, Douglas County, Okanogan County, Washington. It was in force for 39 hr.
The area
The counties it named.
The facts
- Issued
- Dec 10, 2014, 12:28 PM PST (20:28 UTC)
- Expired
- Dec 12, 2014, 3:49 AM PST
- In force
- 39 hr
- Issued by
- NWS Spokane, WA
- Flood severity
- None
Counties Chelan County, WA, Douglas County, WA, Okanogan County, WA
The radar
The Spokane radar (KOTX), 183 km from the middle of the area, began a volume at 20:30 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, 8.5 hours before the alert went out and 273 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
- 1052 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 389 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Dec 10, 10:21 AM PST, 2 hours 7 minutes earlier.
Area forecast discussion, Dec 10, 10:21 AM PST, 2 hours 7 minutes before
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</html>Hazardous weather outlook, Dec 10, 6:04 AM PST, 6 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 604 AM PST WED DEC 10 2014 WAZ042-111415- EAST SLOPES NORTHERN CASCADES- 604 AM PST WED DEC 10 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL WASHINGTON. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY VERY WET WEATHER IS EXPECTED TO IMPACT THE AREA THIS WEEK. PERIODS OF RAIN AND MOUNTAIN SNOW WILL LIKELY CONTINUE THROUGH THURSDAY. HEAVY SNOW AMOUNTS ARE LIKELY NEAR THE CREST...HOWEVER MOST OF THIS SHOULD FALL ABOVE PASS LEVELS. BETWEEN 1 AND 2 INCHES OF RAIN WILL FALL OVER THE SLOPES OF THE CASCADES AND MAY LEAD TO UNSTABLE SOIL CONDITIONS RESULTING IN MINOR DEBRIS FLOWS AND ROCK SLIDES ON STEEP SPARSELY VEGETATED SLOPES AND BURN SCARS. RIVERS DRAINING THE CASCADES WILL EXPERIENCE MODERATE RISES. SNOW LEVELS WILL FALL OVER THE WEEKEND WITH A POSSIBLE RETURN OF WINTER WEATHER ON OR ABOUT TUESDAY. IDZ001>004-026-027-WAZ031>038-041-043-044-111415- NORTHERN PANHANDLE-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- NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-WENATCHEE AREA- OKANOGAN VALLEY-WATERVILLE PLATEAU- 604 AM PST WED DEC 10 2014 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 PERIODIC PERIODS OF RAIN WILL OCCUR THROUGH MUCH OF THE WEEK RESULTING IN UPWARDS OF 1 INCH OF RAINFALL IN THE VALLEYS AND LOWER MOUNTAIN SLOPES NORTH OF THE COLUMBIA BASIN THROUGH THURSDAY. SATURATED SOIL MAY PROMOTE LOCAL MUDSLIDES AND DEBRIS FLOWS ON STEEP SPARSELY VEGETATED SLOPES. SOME MODELS ARE INDICATING A RETURN TO MORE WINTER-LIKE CONDITIONS AS EARLY AS TUESDAY AFTER A DRY BUT CLOUDY WEEKEND.
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 3:01 PM PST | Wind Advisory | OTX | Asotin, Garfield | 28 hr |
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.