Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 202, NWS State College, PA

August 2, 1995Centre County, Clearfield County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Aug 2, 1995, 4:51 PM EDT for Centre County, Clearfield County, Pennsylvania. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1995, 4:51 PM EDT (20:51 UTC)
Expired
Aug 2, 1995, 6:00 PM EDT
In force
69 min
Issued by
NWS State College, PA
Area
Whole counties

Counties Centre County, PA, Clearfield County, PA

The radar

The State College radar (KCCX), 13 km from the middle of the area, began a volume at 20:34 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 12:00Z, 8.9 hours before the alert went out and 176 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 1995-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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, Pittsburgh, PA at 12:00Z on 1995-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
113 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1095 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 2, 9:25 AM EDT, 7 hours 26 minutes earlier.

Area forecast discussion, Aug 2, 9:25 AM EDT, 7 hours 26 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
925 AM EDT WED AUG 2 1995

LATEST SURFACE ANALYSIS SHOWS SLOW MOVING/STATIONARY FRONTAL
BOUNDARY REMAINS ACROSS THE NY/PA BORDER.  WEAK SHOWERS OVER
WESTERN PA DISSIPATED BEFORE THEY EVER MOVED INTO THE CTP ZONES.

TODAY LOOKS SIMILAR TO THE LAST FEW DAYS...WITH ANOTHER HOT ONE
ON TAP.  TODAY... HOWEVER... WE DO HAVE THE WEAK FRONTAL SYSTEM
TO POSSIBLY HELP TRIGGER/FOCUS SOME LIFT FOR CONVECTION.  FRONT
IS VERY SHALLOW THOUGH... WITH 850 TEMPS SHOWING NO REFLECTION OF
ANY COOLING.  ALTHOUGH TEMPS ALOFT PRETTY WARM...WE DID MANAGE TO
POP A FEW ISOLATED STORMS LATE TUE AFTERNOON.  MODIFIED SOUNDINGS
SHOW LI/S IN THE -6 RANGE THIS AFTERNOON (PIT)...AND WITH SFC
TEMPS SIMILAR TO YSTDY... CHC POPS ARE PROBABLY WARRANTED...WITH
THE GREATEST THREAT IN THE NORTH.

JUNG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 2:00 PM EDTFlash Flood WarningCTPCambria2 hr
Aug 2, 3:23 PM EDTFlash Flood WarningCTPAdams97 min
Aug 2, 3:23 PM EDTFlash Flood WarningCTPFranklin2 hr
Aug 2, 5:37 PM EDTSevere Thunderstorm WarningCTPClinton53 min
Aug 2, 6:48 PM EDTSevere Thunderstorm WarningCTPLycoming42 min
Aug 2, 6:54 PM EDTSevere Thunderstorm WarningCTPSchuylkill51 min
Aug 2, 7:38 PM EDTSevere Thunderstorm WarningCTPLycoming52 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1995Every severe thunderstorm warning in 1995

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.