Alert archive / Washington / Freezing Rain Advisories in 2014
Freezing Rain Advisory 4, NWS Spokane, WA
NWS Spokane, WA issued this freezing rain advisory at Dec 4, 2014, 4:48 AM PST for 11 counties in Washington; 5 counties in Idaho. It took effect at Dec 4, 2014, 2:06 PM PST. It was in force for 45 hr.
The area
The counties it named.
The facts
- Issued
- Dec 4, 2014, 4:48 AM PST (12:48 UTC)
- In effect from
- Dec 4, 2014, 2:06 PM PST
- Expired
- Dec 6, 2014, 10:45 AM PST
- In force
- 45 hr
- Issued by
- NWS Spokane, WA
Counties Benewah County, ID, Bonner County, ID, Boundary County, ID, Kootenai County, ID, Latah County, ID, Adams County, WA, Chelan County, WA, Douglas County, WA, Ferry County, WA, Grant County, WA, Lincoln County, WA, Okanogan County, WA, Pend Oreille County, WA, Spokane County, WA, Stevens County, WA, Whitman County, WA
The radar
The Spokane radar (KOTX), 31 km from the middle of the area, began a volume at 12:52 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, 0.8 hours before the alert went out and 121 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
- 710 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freezing rain advisory 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 freezing rain advisory went out at Dec 4, 3:15 AM PST, 1 hour 33 minutes earlier.
Area forecast discussion, Dec 4, 3:15 AM PST, 1 hour 33 minutes before
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</html>The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 4, 8:12 AM PST | Ice Storm Warning | OTX | Chelan, Douglas, Grant | 14 hr |
Nearby
Freezing Rain Advisories in Washington, 2014Freezing Rain Advisories in Idaho, 2014Every freezing rain advisory in 2014
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.