Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 9, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 24, 1992, 6:17 PM EDT for Adams County, Pennsylvania. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Jun 24, 1992, 6:17 PM EDT (22:17 UTC)
- Expired
- Jun 24, 1992, 7:00 PM EDT
- In force
- 43 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Adams County, PA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.3 hours before the alert went out and 104 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
- 59 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 788 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHAR 242221 SVRHAR PAC001-242300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HARRISBURG PA 617 PM EDT WED JUN 24 1992 THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTH CENTRAL PENNSYLVANIA ...ADAMS COUNTY AT 615 PM A SKYWARN SPOTTER IN ADAMS COUNTY REPORTED TREES AND WIRES DOWN SOUTH OF GETTYSBURG. WEATHER SERVICE RADAR SHOWS A SEVERE THUNDERSTORM CROSSING ADAMS COUNTY. 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.
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, Jun 24, 1:45 PM EDT, 4 hours 32 minutes before
PAZ009-013-2319000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA 145 PM EDT WED JUN 23 1992 ...SCATTERED THUNDERSTORMS MOVING THROUGH THE LOWER SUSQUEHANNA VALLEY... AT 135 PM EDT THE HARRISBURG RADAR WAS SHOWING THUNDERSTORMS WITH POSSIBLE GUSTY WINDS AND LOCALLY HEAVY RAIN IN THE LOWER SUSQUEHANNA VALLEY OF PA. ONE WAS IN NORTHERN LEBANON COUNTY TO THE WEST OF PINE GROVE, ONE ON THE FULTON,FRANKLIN COUNTY AND MARYLAND LINE, AND OTHERS IN LANCASTER COUNTY. THE STORMS ARE MOVING TO THE EAST AT ABOUT 35 TO 40 MPH. PERSONS IN THE ABOVE COUNTIES SHOULD BE ON THE LOOKOUT FOR THESE STORMS AND TAKE NESSARY ACTION IF THREATEN. WSO HAR HURLEY
Special weather statement, Jun 24, 3:50 PM EDT, 2 hours 27 minutes before
PAZ009-008-013-2321000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA 345 PM EDT WED JUN 23 1992 ...THUNDERSTORMS MOVING THROUGH THE CENTRAL MOUNTAINS AND SUSQUEHANNA VALLEY... AT 335 PM EDT THE HARRISBURG RADAR WAS SHOWING THUNDERSTORMS WITH POSSIBLE GUSTY WINDS AND LOCALLY HEAVY RAIN IN THE SOUTH CENTRAL MOUNTAINS AND THE SUSQUEHANNA VALLEY OF PA. ALSO OVER NORTH VIRGINIA AND NORTHEASTERN MARYLAND. HEAVIEST THUNDERSTORMS ARE IN SNYDER, MIFFLIN, HUNTINGDON, BLAIR, SCHUYLKILL, AND FRANKLIN COUNTIES OF PA. THESE THUNDERSTORMS COULD BE PRODUCING LOCALLY HEAVY RAINS, GUSTY WINDS AND HAIL. THE STORMS ARE MOVING TO THE EAST AT ABOUT 40 MPH. PERSONS THROUGH OUT THE CENTRAL MOUNTAINS AND THE SUSQUEHANNA VALLEY SHOULD BE ON THE LOOKOUT FOR THUNDERSTORMS THRU THE REMAINDER OF THE AFTERNOON AND DURING THE EVENING HOURS AND TAKE NESSARY ACTION IF THREATEN. WSO HAR HURLEY
Special weather statement, Jun 24, 4:38 PM EDT, 1 hour 39 minutes before
PAZ009-008-013-232200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA 435 PM EDT WED JUN 23 1992 ...THUNDERSTORMS MOVING THROUGH THE CENTRAL MOUNTAINS AND SUSQUEHANNA VALLEY OF PA. ALSO NORTHERN VIRGINIA AND NORTHERN MARYLAND... AT 430 PM EDT THE HARRISBURG RADAR WAS SHOWING THUNDERSTORMS WITH POSSIBLE GUSTY WINDS AND LOCALLY HEAVY RAIN IN THE SOUTH CENTRAL MOUNTAINS AND THE SUSQUEHANNA VALLEY OF PA. ALSO OVER NORTH VIRGINIA AND NORTHERN MARYLAND. HEAVIEST THUNDERSTORMS ARE IN CAMBRIA, BEDFORD, HUNTINGDON COUNTIES OF THE CENTRAL MOUNTAINS. ALSO IN SOUTHERN ADAMS AND YORK COUNTIES OF PA ALONG THE MARYLAND BORDER WITH CARROLL, BALTIMORE, AND HARFORD COUNTIES OF MARYLAND. ALSO IN PRINCE WILLIAM COUNTY OF VIRGINA. THE STORMS WERE MOVING TO THE EAST AT ABOUT 40 MPH. PERSONS THROUGH OUT THE CENTRAL MOUNTAINS AND THE SUSQUEHANNA VALLEY OF PA SHOULD BE ON THE LOOKOUT FOR THUNDERSTORMS THRU THE EVENING HOURS AND TAKE NESSARY ACTION IF THREATEN. WSO HAR HURLEY
Special weather statement, Jun 24, 5:34 PM EDT, 43 minutes before
PAZ009-008-013-232200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA 530 PM EDT WED JUN 23 1992 ...THUNDERSTORMS MOVING THROUGH SOUTH CENTRAL PENNSYLVANIA AND THE LOWER SUSQUEHANNA VALLEY... AT 530 PM EDT THE HARRISBURG RADAR WAS SHOWING THUNDERSTORMS WITH POSSIBLE GUSTY WINDS...SMALL HAIL AND VERY HEAVY RAIN IN SOUTH CENTRAL PENNSYLVANIA AND THE LOWER SUSQUEHANNA VALLEY OF PENNSYLVANIA. THE STRONGEST STORMS WERE LOCATED 10 MILES WEST OF CARLISLE IN CUMBERLAND COUNTY...10 MILES EAST OF HARRISBURG IN DAUPHIN COUNTY...AND 5 MILES WEST OF WAYNESBORO IN FRANKLIN COUNTY. THESE STORMS ARE MOVING RAPIDLY EAST AT AROUND 40 MILES PER HOUR. THE STORM WEST OF CARLISLE WILL REACH THE CARLISLE AREA BETWEEN 530 AND 600 PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL AND EASTERN PENNSYLVANIA. THIS MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO DEVELOP. FURTHER INTENSIFICATION OF THESE STORMS IS POSSIBLE. PERSONS IN THE PATH OF THESE STORMS SHOULD SEEK SHELTER INSIDE A STRONG BUILDING AND STAY AWAY FROM BUILDINGS. REPORT SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHdER SERVICE. PRA
Special weather statement, Jun 24, 5:40 PM EDT, 37 minutes before
PAZ009-008-013-232200- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE HARRISBURG PA 530 PM EDT WED JUN 23 1992 ...THUNDERSTORMS MOVING THROUGH SOUTH CENTRAL PENNSYLVANIA AND THE LOWER SUSQUEHANNA VALLEY... AT 530 PM EDT THE HARRISBURG RADAR WAS SHOWING THUNDERSTORMS WITH POSSIBLE GUSTY WINDS...SMALL HAIL AND VERY HEAVY RAIN IN SOUTH CENTRAL PENNSYLVANIA AND THE LOWER SUSQUEHANNA VALLEY OF PENNSYLVANIA. THE STRONGEST STORMS WERE LOCATED 10 MILES WEST OF CARLISLE IN CUMBERLAND COUNTY...10 MILES EAST OF HARRISBURG IN DAUPHIN COUNTY...AND 5 MILES WEST OF WAYNESBORO IN FRANKLIN COUNTY. THESE STORMS ARE MOVING RAPIDLY EAST AT AROUND 40 MILES PER HOUR. THE STORM WEST OF CARLISLE WILL REACH THE CARLISLE AREA BETWEEN 530 AND 600 PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL AND EASTERN PENNSYLVANIA. THIS MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO DEVELOP. FURTHER INTENSIFICATION OF THESE STORMS IS POSSIBLE. PERSONS IN THE PATH OF THESE STORMS SHOULD SEEK SHELTER INSIDE A STRONG BUILDING AND STAY AWAY FROM WINDOWS. REPORT SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATrIONAL WEATHER SERVICE. PRA
Special weather statement, Jun 24, 6:12 PM EDT, 5 minutes before
PAZ008-009-250200- SPECIAL WEATHER STATEMENT...THUNDERSTORMS NATIONAL WEATHER SERVICE HARRISBURG PA 612 PM EDT WED JUN 23 1992 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN PENNSYLVANIA... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE SUSQUEHANNA VALLEY OF PENNSYLVANIA AS WELL AS A LARGE PART OF EASTERN PENNSYLVANIA UNTIL 1000 PM. ALL WATCHES FOR WESTERN PENNSYLVANIA HAVE BEEN DISCONTINUED. AT 600 PM THE STRONGEST STORM WAS ON THE MASON AND DIXON LINE SOUTH OF MERCERSBURG IN FRANKLIN COUNTY. ANOTHER WAS NEAR LITTITZ IN LANCASTER COUNTY. PEA SIZE HAIL WAS REPORTED IN THIS STORM AT 600 PM. ALL STORMS CONTINUED TO MOVE EAST AT AROUND 40 MPH. A WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO DEVELOP. FURTHER INTENSIFICATION OF THESE STORMS IS POSSIBLE. PERSONS IN THE PATH OF THESE STORMS SHOULD SEEK SHELTER INSIDE A STRONG BUILDING AND STAY AWAY FROM WINDOWS. REPORT SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. TK
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; the sounding from the Mesonet's radiosonde archive.