Alert archive / West Virginia / High Wind Watches in 2020

High Wind Watch 1, NWS Pittsburgh, PA

January 11, 2020Fayette County, Westmoreland County, Pennsylvania; Monongalia County, Preston County, Tucker County, West Virginia

NWS Pittsburgh, PA issued this high wind watch at Jan 11, 2020, 3:15 AM EST for Fayette County, Westmoreland County, Pennsylvania; Monongalia County, Preston County, Tucker County, West Virginia. It took effect at Jan 11, 2020, 11:00 PM EST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 11, 2020, 3:15 AM EST (08:15 UTC)
In effect from: Jan 11, 2020, 11:00 PM EST
Expired: Jan 11, 2020, 1:13 PM EST
In force
Issued by: NWS Pittsburgh, PA

Counties Fayette County, PA, Westmoreland County, PA, Monongalia County, WV, Preston County, WV, Tucker County, WV

The radar

The Pittsburgh radar (KPBZ), 104 km from the middle of the area, began a volume at 08:18 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

Pittsburgh, PA (KPIT), launched 00:00Z, 8.3 hours before the alert went out and 88 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1259 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 338 m²/s²
0-3 km storm-relative helicity: 373 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high wind watch 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 high wind watch went out at Jan 11, 12:51 AM EST, 2 hours 24 minutes earlier.

Area forecast discussion, Jan 11, 12:51 AM EST, 2 hours 24 minutes before

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Hazardous weather outlook, Jan 10, 2:33 PM EST, 12 hours 42 minutes before

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The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 11, 3:15 AM EST	Wind Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more	31 hr
Jan 11, 4:45 PM EST	Special Weather Statement	PBZ	Allegheny, Greene, Washington	60 min
Jan 11, 5:20 PM EST	Severe Thunderstorm Warning	PBZ	Allegheny, Washington	25 min
Jan 11, 5:41 PM EST	Special Weather Statement	PBZ	Allegheny, Fayette, Greene, Indiana, Westmoreland	79 min
Jan 11, 3:42 PM EST	Special Weather Statement	PBZ	Carroll, Guernsey, Noble	33 min
Jan 11, 4:14 PM EST	Special Weather Statement	PBZ	Belmont, Harrison, Jefferson, Monroe, Noble	31 min
Jan 11, 5:31 PM EST	Severe Thunderstorm Warning	PBZ	Marion, Monongalia, Preston	29 min

Nearby

High Wind Watches in West Virginia, 2020 High Wind Watches in Pennsylvania, 2020 Every high wind watch in 2020

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.