Alert archive / Washington / High Wind Watches in 2007
High Wind Watch 5, NWS Seattle, WA
NWS Seattle, WA issued this high wind watch at Nov 11, 2007, 4:03 AM PST for San Juan County, Washington. It took effect at Nov 12, 2007, 4:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 11, 2007, 4:03 AM PST (12:03 UTC)
- In effect from
- Nov 12, 2007, 4:00 AM PST
- Expired
- Nov 11, 2007, 3:58 PM PST
- In force
- Issued by
- NWS Seattle, WA
County San Juan County, WA
The radar
The Seattle radar (KATX), 54 km from the middle of the area, began a volume at 12:04 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
Quillayute State, WA (KUIL), launched 12:00Z, 0.1 hours before the alert went out and 127 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
- 3 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 703 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind 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 high wind watch went out at Nov 11, 3:35 AM PST, 28 minutes earlier.
Area forecast discussion, Nov 11, 3:35 AM PST, 28 minutes before
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</html>The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 2:36 PM PST | High Surf Advisory | SEW | 36 hr | |
| Nov 11, 3:29 PM PST | High Wind Watch | SEW | 13 hr | |
| Nov 11, 3:29 PM PST | High Wind Warning | SEW | San Juan | 23 hr |
Nearby
High Wind Watches in Washington, 2007Every high wind watch in 2007
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.