Alert archive / Wyoming / Heavy Snow Warnings in 2007
Heavy Snow Warning 8, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this heavy snow warning at Dec 6, 2007, 4:31 AM MST for Uinta County, Wyoming. It took effect at Dec 6, 2007, 12:00 PM MST. It was in force for 64 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
- Dec 6, 2007, 4:31 AM MST (11:31 UTC)
- In effect from
- Dec 6, 2007, 12:00 PM MST
- Expired
- Dec 9, 2007, 4:00 AM MST
- In force
- 64 hr
- Issued by
- NWS Salt Lake City, UT
County Uinta County, WY
The radar
The Salt Lake City radar (KMTX), 159 km from the middle of the area, began a volume at 11:32 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
Grand Junction, CO (KGJT), launched 00:00Z, 11.5 hours before the alert went out and 296 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
- 1476 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this heavy snow warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Salt Lake City, UT wrote its last area forecast discussion before this heavy snow warning went out at Dec 5, 9:25 PM MST, 7 hours 6 minutes earlier.
Area forecast discussion, Dec 5, 9:25 PM MST, 7 hours 6 minutes before
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</html>The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 6, 3:47 AM MST | Flash Flood Watch | SLC | 35 hr | |
| Dec 6, 4:02 PM MST | Winter Storm Watch | SLC | 13 hr |
Nearby
Heavy Snow Warnings in Wyoming, 2007Heavy Snow Warnings in Utah, 2007Every heavy snow warning 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.