Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 29, NWS State College, PA

July 17, 1988Columbia County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 17, 1988, 3:43 PM EDT for Columbia County, Pennsylvania. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Jul 17, 1988, 3:43 PM EDT (19:43 UTC)
Expired
Jul 17, 1988, 4:45 PM EDT
In force
62 min
Issued by
NWS State College, PA
Area
Whole counties

County Columbia County, PA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 7.7 hours before the alert went out and 240 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, Atlantic City In, NJ at 12:00Z on 1988-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1047 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, Atlantic City In, NJ at 12:00Z on 1988-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
1047 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
900 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 8:49 PM EDTSevere Thunderstorm WarningCTPCarbon, Schuylkill56 min
Jul 16, 9:00 PM EDTSevere Thunderstorm WarningCTPDauphin, Lebanon30 min
Jul 16, 9:29 PM EDTSevere Thunderstorm WarningCTPBerks61 min
Jul 16, 9:34 PM EDTSevere Thunderstorm WarningCTPLebanon26 min
Jul 17, 3:42 PM EDTSevere Thunderstorm WarningCTPNorthumberland33 min
Jul 17, 4:14 PM EDTSevere Thunderstorm WarningCTPBerks, Schuylkill61 min
Jul 17, 4:14 PM EDTSevere Thunderstorm WarningCTPCarbon61 min
Jul 17, 4:45 PM EDTSevere Thunderstorm WarningCTPBerks, Lehigh60 min
Jul 17, 4:58 PM EDTSevere Thunderstorm WarningCTPNorthampton62 min
Jul 17, 5:20 PM EDTSevere Thunderstorm WarningCTPNorthampton70 min
Jul 17, 6:06 PM EDTSevere Thunderstorm WarningCTPLancaster39 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1988Every severe thunderstorm warning in 1988

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.