Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 39, NWS State College, PA

July 10, 1993Monroe County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 10, 1993, 2:02 PM EDT for Monroe County, Pennsylvania. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1993, 2:02 PM EDT (18:02 UTC)
Expired
Jul 10, 1993, 2:36 PM EDT
In force
34 min
Issued by
NWS State College, PA
Area
Whole counties

County Monroe County, PA

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 6.0 hours before the alert went out and 192 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 1993-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1759 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 1993-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
1759 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1424 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS1 KABE 101804 RRA
SVRABE
PAC089-103-101900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALLENTOWN PA
202 PM EDT SAT JUL 10 1993
 
THE NATIONAL WEATHER SERVICE IN ALLENTOWN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN NORTHEAST PENNSYLVANIA
 
   ...MONROE COUNTY...PIKE COUNTY
 
NATIONAL WEATHER SERVICE RADAR INDICATES A SEVERE THUNDERSTORM MOVING
ACROSS EXTREME NORTHEASTERN MONROE COUNTY AND SOUTHERN PIKE COUNTY IN
THE VICINITY OF SKYTOP.  THIS STORM HAS HAD A HISTORY OF PRODUCING HAIL
AND TORRENTIAL DOWNPOURS.
 
 
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
 
MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 2:02 PM EDTSevere Thunderstorm WarningCTPPike53 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1993Every severe thunderstorm warning in 1993

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.