Alert archive / Pennsylvania / Lake Effect Snow Warnings in 2014

Lake Effect Snow Warning 1, NWS State College, PA

November 13, 2014Warren County, Pennsylvania

NWS State College, PA issued this lake effect snow warning at Nov 13, 2014, 2:15 PM EST for Warren County, Pennsylvania. 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
Nov 13, 2014, 2:15 PM EST (19:15 UTC)
Expired
Nov 14, 2014, 4:59 AM EST
In force
15 hr
Issued by
NWS State College, PA

County Warren County, PA

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 7.3 hours before the alert went out and 171 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, Pittsburgh, PA at 12:00Z on 2014-11-13Temperature 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, Pittsburgh, PA at 12:00Z on 2014-11-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
716 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 13, 3:33 AM ESTLake Effect Snow AdvisoryCTPMcKean, Warren25 hr
Nov 13, 3:59 PM ESTSpecial Weather StatementCTPAdams, Columbia, Cumberland, Dauphin, Franklin, Fulton and 8 more61 min

Nearby

Lake Effect Snow Warnings in Pennsylvania, 2014Every lake effect snow 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.