Alert archive / Washington / Freeze Warnings in 2006
Freeze Warning 1, NWS Spokane, WA
NWS Spokane, WA issued this freeze warning at Apr 16, 2006, 8:41 PM PDT for 7 counties in Washington. It took effect at Apr 17, 2006, 3:00 AM PDT. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 16, 2006, 8:41 PM PDT (03:41 UTC)
- In effect from
- Apr 17, 2006, 3:00 AM PDT
- Expired
- Apr 17, 2006, 7:38 AM PDT
- In force
- 5 hr
- Issued by
- NWS Spokane, WA
Counties Adams County, WA, Douglas County, WA, Grant County, WA, Lincoln County, WA, Okanogan County, WA, Spokane County, WA, Whitman County, WA
The radar
The Spokane radar (KOTX), 82 km from the middle of the area, began a volume at 03:44 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 00:00Z, 3.7 hours before the alert went out and 173 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
- 7 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 1971 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze warning 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 freeze warning went out at Apr 16, 4:55 PM PDT, 3 hours 46 minutes earlier.
Area forecast discussion, Apr 16, 4:55 PM PDT, 3 hours 46 minutes before
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Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 3:11 AM PDT | Freeze Warning | OTX | Adams, Douglas, Grant, Lincoln, Okanogan, Spokane and 1 more | 4 hr |
Nearby
Freeze Warnings in Washington, 2006Every freeze warning 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; radar from the NEXRAD Level II archive.