Alert archive / Pennsylvania / Wind Advisories in 2023

Wind Advisory 12, NWS Pittsburgh, PA

November 20, 2023Fayette County, Indiana County, Westmoreland County, Pennsylvania; Preston County, Tucker County, West Virginia

NWS Pittsburgh, PA issued this wind advisory at Nov 20, 2023, 2:59 AM EST for Fayette County, Indiana County, Westmoreland County, Pennsylvania; Preston County, Tucker County, West Virginia. It took effect at Nov 21, 2023, 12:00 AM EST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Nov 20, 2023, 2:59 AM EST (07:59 UTC)
In effect from
Nov 21, 2023, 12:00 AM EST
Expired
Nov 21, 2023, 6:00 PM EST
In force
18 hr
Issued by
NWS Pittsburgh, PA

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

The radar

The Pittsburgh radar (KPBZ), 94 km from the middle of the area, began a volume at 08:03 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

Roanoke, VA (KRNK), launched 00:00Z, 8.0 hours before the alert went out and 299 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-pSkew-T log-p diagram, Roanoke, VA at 00:00Z on 2023-11-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 00:00Z on 2023-11-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2342 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 20, 2:56 AM ESTWinter Weather AdvisoryPBZFayette, Indiana, Westmoreland36 hr

Nearby

Wind Advisories in Pennsylvania, 2023Wind Advisories in West Virginia, 2023Every wind advisory in 2023

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.