Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 64, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Aug 11, 1992, 3:27 PM EDT for Lehigh County, Northampton County, Pennsylvania. It was in force for 33 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 11, 1992, 3:27 PM EDT (19:27 UTC)
- Expired
- Aug 11, 1992, 4:00 PM EDT
- In force
- 33 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Lehigh County, PA, Northampton County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 11, 3:40 PM EDT | Thunderstorm Wind 0 | Lehigh, PA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 7.5 hours before the alert went out and 159 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.
- Mixed-layer CAPE
- 757 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 1177 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KABE 111929 SVRABE PAC077-095-112000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ALLENTOWN PA 327 PM EDT TUE AUG 11 1992 THE NATIONAL WEATHER SERVICE IN ALLENTOWN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN EAST CENTRAL PENNSYLVANIA ...LEHIGH COUNTY...NORTHAMPTON COUNTY AT 327 PM EDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR SLATINGTON IN LEHIGH COUNTY MOVING TO THE EAST AT 40 MPH. THIS STORM WILL MOVE INTO NORTHAMPTON COUNTY NEAR CHERRYVILLE WITHIN 10 MINUTES. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
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.
In the hours before
Special weather statement, Aug 11, 12:34 PM EDT, 2 hours 53 minutes before
PAZ006-008-009-013-111830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA 1230 PM EDT TUE AUG 11 1992 ...STRONG THUNDERSTORMS ARE MOVING INTO THE LOWER SUSQUEHANNA VALLEY... AT 1230 PM HARRISBURG RADAR WAS SHOWING A LINE SHOWERS AND THUNDERSTORMS... SOME WITH VERY HEAVY RAIN...EXTENDING FROM JUNIATA COUNTY IN THE SOUTH CENTRAL MOUNTAINS TO SOMERSET COUNTY IN SOUTHWEST PENNSYLVANIA. THE STRONGEST STORMS WERE OVER HUNTINGDON...SOUTHERN MIFFLIN...AND SOUTHERN JUNIATA COUNTIES. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 30 MILES AN HOUR AND WILL BE MOVING INTO PORTIONS OF THE LOWER SUSQUEHANNA VALLEY BY 100 PM. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS. HOWEVER...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF THE SOUTH CENTRAL MOUNTAINS AND LOWER SUSQUEHANNA VALLEY UNTIL 800PM...WHICH MEANS THAT CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS WITH LARGE HAIL...DANGEROUS LIGHTNING...AND DAMAGING WINDS. MATUSIEWICZ
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 1:03 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 57 min |
| Aug 11, 1:07 PM EDT | Severe Thunderstorm Warning | CTP | Berks, Lehigh | 38 min |
| Aug 11, 1:25 PM EDT | Severe Thunderstorm Warning | CTP | Lehigh | 35 min |
| Aug 11, 1:26 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 64 min |
| Aug 11, 1:37 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 68 min |
| Aug 11, 1:44 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 31 min |
| Aug 11, 1:55 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 50 min |
| Aug 11, 2:05 PM EDT | Severe Thunderstorm Warning | CTP | Berks, Schuylkill | 25 min |
| Aug 11, 2:21 PM EDT | Severe Thunderstorm Warning | CTP | Berks, Lehigh | 39 min |
| Aug 11, 2:30 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 30 min |
| Aug 11, 2:33 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 27 min |
| Aug 11, 2:36 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 39 min |
| Aug 11, 2:57 PM EDT | Severe Thunderstorm Warning | CTP | Carbon, Schuylkill | 33 min |
| Aug 11, 3:00 PM EDT | Severe Thunderstorm Warning | CTP | Berks, Lehigh | 30 min |
| Aug 11, 3:02 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 28 min |
| Aug 11, 3:05 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 25 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1992Every severe thunderstorm warning in 1992
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.