Alert archive / Ohio / Winter Storm Warnings in 2013

Winter Storm Warning 5, NWS Pittsburgh, PA

March 4, 20135 counties in Pennsylvania; 10 counties in Ohio; 6 counties in West Virginia

NWS Pittsburgh, PA issued this winter storm warning at Mar 4, 2013, 2:50 PM EST for 5 counties in Pennsylvania; 10 counties in Ohio; 6 counties in West Virginia. It took effect at Mar 5, 2013, 6:00 PM EST. It was in force for 20 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
Mar 4, 2013, 2:50 PM EST (19:50 UTC)
In effect from
Mar 5, 2013, 6:00 PM EST
Expired
Mar 6, 2013, 2:22 PM EST
In force
20 hr
Issued by
NWS Pittsburgh, PA
All 21 counties

Belmont County, OH, Carroll County, OH, Coshocton County, OH, Guernsey County, OH, Harrison County, OH, Jefferson County, OH, Monroe County, OH, Muskingum County, OH, Noble County, OH, Tuscarawas County, OH, Allegheny County, PA, Fayette County, PA, Greene County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV, Marion County, WV, Marshall County, WV, Ohio County, WV, Wetzel County, WV

The radar

The Pittsburgh radar (KPBZ), 67 km from the middle of the area, began a volume at 19:48 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.8 hours before the alert went out and 269 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, Cncnati-Daytn, OH at 12:00Z on 2013-03-04Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2013-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939587897Sfc1 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
917 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
121 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
Mar 4, 3:20 AM ESTWinter Storm WatchPBZFayette, Westmoreland12 hr
Mar 4, 2:50 PM ESTWinter Weather AdvisoryPBZAllegheny, Armstrong, Beaver, Butler, Fayette, Greene and 2 more45 hr

Nearby

Winter Storm Warnings in Ohio, 2013Winter Storm Warnings in West Virginia, 2013Winter Storm Warnings in Pennsylvania, 2013Every winter storm warning in 2013

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.