Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 44, NWS State College, PA

May 23, 2013Lycoming County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at May 23, 2013, 6:23 PM EDT for Lycoming County, Pennsylvania. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 23, 2013, 6:23 PM EDT (22:23 UTC)
Expired
May 23, 2013, 7:00 PM EDT
In force
37 min
Issued by
NWS State College, PA
Area
Storm-based polygon

County Lycoming County, PA

The radar

The State College radar (KCCX), 92 km from the middle of the area, began a volume at 22:25 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.4 hours before the alert went out and 222 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, Buffalo Intl Airport, NY at 12:00Z on 2013-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 369 joules per kilogram.LCLLFCEL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 2013-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
369 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
500 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 8:20 PM EDTSpecial Weather StatementCTPSchuylkill40 min
May 22, 8:26 PM EDTSpecial Weather StatementCTPLancaster, Lebanon49 min
May 22, 9:06 PM EDTSpecial Weather StatementCTPSchuylkill39 min
May 22, 9:42 PM EDTSpecial Weather StatementCTPYork48 min
May 22, 10:19 PM EDTSpecial Weather StatementCTPAdams41 min
May 23, 1:49 PM EDTSpecial Weather StatementCTPMcKean41 min
May 23, 1:58 PM EDTAreal Flood AdvisoryCTPLancaster, York3 hr
May 23, 3:55 PM EDTSpecial Weather StatementCTPMcKean35 min
May 23, 4:03 PM EDTSpecial Weather StatementCTPClearfield27 min
May 23, 4:22 PM EDTSevere Thunderstorm WarningCTPClearfield23 min
May 23, 4:27 PM EDTSpecial Weather StatementCTPTioga48 min
May 23, 4:52 PM EDTSpecial Weather StatementCTPTioga38 min
May 23, 5:24 PM EDTSpecial Weather StatementCTPCentre51 min
May 23, 5:40 PM EDTSpecial Weather StatementCTPMcKean50 min
May 23, 5:47 PM EDTSpecial Weather StatementCTPHuntingdon, Mifflin43 min
May 23, 5:52 PM EDTSpecial Weather StatementCTPFulton53 min
May 23, 6:08 PM EDTSpecial Weather StatementCTPLycoming, Union37 min
May 23, 6:52 PM EDTSpecial Weather StatementCTPSullivan23 min
May 23, 7:14 PM EDTSpecial Weather StatementCTPSullivan46 min
May 23, 7:59 PM EDTSpecial Weather StatementCTPCumberland, Dauphin46 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2013Every severe thunderstorm 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.