Alert archive / Idaho / Snow Advisories in 2007
Snow Advisory 16, NWS Spokane, WA
NWS Spokane, WA issued this snow advisory at Mar 26, 2007, 8:02 PM PDT for Lewis County, Nez Perce County, Idaho. It took effect at Mar 27, 2007, 5:00 AM PDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Mar 26, 2007, 8:02 PM PDT (03:02 UTC)
- In effect from
- Mar 27, 2007, 5:00 AM PDT
- Expired
- Mar 27, 2007, 2:13 PM PDT
- In force
- 9 hr
- Issued by
- NWS Spokane, WA
Counties Lewis County, ID, Nez Perce County, ID
The radar
The Spokane radar (KOTX), 174 km from the middle of the area, began a volume at 03:01 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, 3.0 hours before the alert went out and 303 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
- 17 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 2555 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 2:22 PM PDT | Wind Advisory | OTX | Adams, Chelan, Douglas, Grant | 7 hr |
Nearby
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.