Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 178, NWS State College, PA

July 19, 1996York County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 19, 1996, 2:51 PM EDT for York County, Pennsylvania. It was in force for 54 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
Jul 19, 1996, 2:51 PM EDT (18:51 UTC)
Expired
Jul 19, 1996, 3:45 PM EDT
In force
54 min
Issued by
NWS State College, PA
Area
Whole counties

County York County, PA

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 6.9 hours before the alert went out and 122 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, Washington/Dulle, VA at 12:00Z on 1996-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 531 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, Washington/Dulle, VA at 12:00Z on 1996-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 square meters per square second.19395878Sfc1 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
531 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
810 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

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 Jul 19, 2:47 PM EDT, 4 minutes earlier.

Area forecast discussion, Jul 19, 2:47 PM EDT, 4 minutes before
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In the hours before

Special weather statement, Jul 19, 10:14 AM EDT, 4 hours 37 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>05
3-056>059-063>066-191600-

SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1015 AM EDT FRI JUL 19 1996

SEVERE THUNDERSTORM WATCH NUMBER 804 FOR CENTRAL PENNSYLVANIA
HAS BEEN CANCELED.  THE THREAT OF SEVERE THUNDERSTORMS HAS
DIMINISHED FOR THE TIME BEING.

ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE
AFTERNOON ACROSS THE~ REGION.  SKYWARN SPOTTER NETWORKS MAY NEED
TO BE REACTIVATED THIS AFTERNOON.

HEAD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 4:35 AM EDTFlash Flood WarningCTPClearfield5 hr
Jul 19, 4:48 AM EDTTornado WarningCTPClearfield57 min
Jul 19, 5:09 AM EDTFlash Flood WarningCTPBlair, Cambria66 min
Jul 19, 5:09 AM EDTFlash Flood WarningCTPCentre66 min
Jul 19, 5:09 AM EDTSevere Thunderstorm WarningCTPBlair, Cambria66 min
Jul 19, 5:09 AM EDTSevere Thunderstorm WarningCTPCentre66 min
Jul 19, 5:26 AM EDTSevere Thunderstorm WarningCTPHuntingdon64 min
Jul 19, 5:56 AM EDTFlash Flood WarningCTPBlair, Cambria3 hr
Jul 19, 6:03 AM EDTFlash Flood WarningCTPHuntingdon3 hr
Jul 19, 6:26 AM EDTSevere Thunderstorm WarningCTPHuntingdon64 min
Jul 19, 6:35 AM EDTFlash Flood WarningCTPJuniata, Mifflin3 hr
Jul 19, 7:37 AM EDTFlash Flood WarningCTPFranklin, Fulton4 hr
Jul 19, 7:37 AM EDTFlash Flood WarningCTPBedford4 hr
Jul 19, 9:19 AM EDTFlash Flood WarningCTPClearfield3 hr
Jul 19, 10:58 AM EDTFlash Flood WarningCTPBlair3 hr
Jul 19, 10:58 AM EDTFlash Flood WarningCTPClearfield7 hr
Jul 19, 11:06 AM EDTSevere Thunderstorm WarningCTPClearfield54 min
Jul 19, 11:09 AM EDTSevere Thunderstorm WarningCTPClearfield51 min
Jul 19, 11:15 AM EDTTornado WarningCTPClearfield30 min
Jul 19, 11:27 AM EDTTornado WarningCTPBlair, Cambria48 min
Jul 19, 11:55 AM EDTTornado WarningCTPBlair50 min
Jul 19, 11:59 AM EDTTornado WarningCTPCambria61 min
Jul 19, 12:08 PM EDTTornado WarningCTPHuntingdon67 min
Jul 19, 12:30 PM EDTTornado WarningCTPBlair45 min
Jul 19, 12:36 PM EDTTornado WarningCTPMifflin39 min
Jul 19, 12:46 PM EDTFlash Flood WarningCTPBlair, Huntingdon3 hr
Jul 19, 12:46 PM EDTFlash Flood WarningCTPCambria3 hr
Jul 19, 12:53 PM EDTTornado WarningCTPBedford52 min
Jul 19, 12:59 PM EDTTornado WarningCTPFranklin, Huntingdon61 min
Jul 19, 1:17 PM EDTTornado WarningCTPCumberland58 min
Jul 19, 1:28 PM EDTFlash Flood WarningCTPBedford, Fulton4 hr
Jul 19, 1:28 PM EDTFlash Flood WarningCTPFranklin4 hr
Jul 19, 1:35 PM EDTSevere Thunderstorm WarningCTPFulton55 min
Jul 19, 1:42 PM EDTSevere Thunderstorm WarningCTPBedford63 min
Jul 19, 1:47 PM EDTTornado WarningCTPAdams58 min
Jul 19, 1:55 PM EDTTornado WarningCTPFranklin, Fulton65 min
Jul 19, 2:31 PM EDTTornado WarningCTPAdams59 min
Jul 19, 5:31 PM EDTFlash Flood WarningCTPBedford, Somerset4 hr

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1996Every severe thunderstorm warning in 1996

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.