Alert archive / Idaho / Areal Flood Warnings in 2012
Areal Flood Warning 1, NWS Spokane, WA
NWS Spokane, WA issued this areal flood warning at Mar 26, 2012, 4:37 AM PDT for Asotin County, Garfield County, Whitman County, Washington; 4 counties in Idaho. It was in force for 73 days. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 26, 2012, 4:37 AM PDT (11:37 UTC)
- Expired
- Jun 7, 2012, 3:15 AM PDT
- In force
- 73 days
- Issued by
- NWS Spokane, WA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bonner County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID, Asotin County, WA, Garfield County, WA, Whitman County, WA
The radar
The Spokane radar (KOTX), 116 km from the middle of the area, began a volume at 11:40 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
Boise Airport, ID (KBOI), launched 00:00Z, 11.6 hours before the alert went out and 358 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
- 3427 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood 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 areal flood warning went out at Mar 26, 2:42 AM PDT, 1 hour 55 minutes earlier.
Area forecast discussion, Mar 26, 2:42 AM PDT, 1 hour 55 minutes before
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Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 11:32 AM PDT | River Flood Warning | OTX | Whitman | 23 hr |
| Mar 26, 4:14 PM PDT | River Flood Warning | OTX | Whitman | 6 hr |
Nearby
Areal Flood Warnings in Idaho, 2012Areal Flood Warnings in Washington, 2012Every areal flood warning in 2012
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.