Alert archive / Washington / Flood Watches in 2006

Flood Watch 13, NWS Seattle, WA

December 10, 2006Mason County, Washington

NWS Seattle, WA issued this flood watch at Dec 10, 2006, 5:52 AM PST for Mason County, Washington. It took effect at Dec 11, 2006, 6:00 PM PST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Dec 10, 2006, 5:52 AM PST (13:52 UTC)
In effect from
Dec 11, 2006, 6:00 PM PST
Expired
Dec 12, 2006, 7:00 AM PST
In force
13 hr
Issued by
NWS Seattle, WA
Flood severity
None

County Mason County, WA

The nearest sounding before it

Quillayute State, WA (KUIL), launched 12:00Z, 1.9 hours before the alert went out and 119 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-pSkew-T log-p diagram, Quillayute State, WA at 12:00Z on 2006-12-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Quillayute State, WA at 12:00Z on 2006-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1267 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
184 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 Seattle, WA wrote its last area forecast discussion before this flood watch went out at Dec 10, 3:15 AM PST, 2 hours 37 minutes earlier.

Area forecast discussion, Dec 10, 3:15 AM PST, 2 hours 37 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 9:36 AM PSTWinter Storm WatchSEW19 hr
Dec 10, 2:01 PM PSTHigh Surf AdvisorySEW36 hr
Dec 10, 3:05 PM PSTWind AdvisorySEWSan Juan13 hr

Nearby

Flood Watches in Washington, 2006Every flood watch in 2006

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.