Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 76, NWS State College, PA

June 29, 1994Berks County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 29, 1994, 6:44 PM EDT for Berks County, Pennsylvania. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1994, 6:44 PM EDT (22:44 UTC)
Expired
Jun 29, 1994, 7:15 PM EDT
In force
31 min
Issued by
NWS State College, PA
Area
Whole counties

County Berks County, PA

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 10.7 hours before the alert went out and 162 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 1994-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 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 1994-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
78 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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
Jun 29, 10:27 AM EDTSevere Thunderstorm WarningCTPLehigh48 min
Jun 29, 11:13 AM EDTSevere Thunderstorm WarningCTPMonroe32 min
Jun 29, 11:25 AM EDTSevere Thunderstorm WarningCTPNorthampton35 min
Jun 29, 4:24 PM EDTSevere Thunderstorm WarningCTPAdams, Franklin66 min
Jun 29, 4:56 PM EDTSevere Thunderstorm WarningCTPLehigh49 min
Jun 29, 5:40 PM EDTSevere Thunderstorm WarningCTPYork65 min
Jun 29, 5:40 PM EDTSevere Thunderstorm WarningCTPJuniata, Perry65 min
Jun 29, 5:59 PM EDTSevere Thunderstorm WarningCTPSnyder61 min
Jun 29, 6:22 PM EDTSevere Thunderstorm WarningCTPLancaster68 min
Jun 29, 7:04 PM EDTSevere Thunderstorm WarningCTPCarbon, Lehigh26 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1994Every severe thunderstorm warning in 1994

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.