Alert archive / Pennsylvania / Winter Storm Warnings in 2014
Winter Storm Warning 1, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this winter storm warning at Jan 20, 2014, 11:44 AM EST for Fayette County, Westmoreland County, Pennsylvania; Marion County, West Virginia. It took effect at Jan 21, 2014, 4:00 AM EST. It was in force for 15 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
- Jan 20, 2014, 11:44 AM EST (16:44 UTC)
- In effect from
- Jan 21, 2014, 4:00 AM EST
- Expired
- Jan 21, 2014, 6:57 PM EST
- In force
- 15 hr
- Issued by
- NWS Pittsburgh, PA
Counties Fayette County, PA, Westmoreland County, PA, Marion County, WV
The radar
The Pittsburgh radar (KPBZ), 78 km from the middle of the area, began a volume at 16:47 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 4.7 hours before the alert went out and 231 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
- 2080 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pittsburgh, PA wrote its last area forecast discussion before this winter storm warning went out at Jan 20, 9:40 AM EST, 2 hours 4 minutes earlier.
Area forecast discussion, Jan 20, 9:40 AM EST, 2 hours 4 minutes before
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</html>Hazardous weather outlook, Jan 20, 6:41 AM EST, 5 hours 3 minutes before
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</html>The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 20, 11:44 AM EST | Winter Weather Advisory | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 31 hr |
| Jan 20, 3:51 AM EST | Winter Storm Watch | PBZ | 8 hr |
Nearby
Winter Storm Warnings in Pennsylvania, 2014Winter Storm Warnings in West Virginia, 2014Every winter storm warning 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.