Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 13, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 8, 1993, 7:29 PM EDT for Adams County, York County, Pennsylvania. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1993, 7:29 PM EDT (23:29 UTC)
- Expired
- Jun 8, 1993, 8:30 PM EDT
- In force
- 61 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Adams County, PA, York County, PA
The radar
The Sterling radar (KLWX), 111 km from the middle of the area, began a volume at 23:32 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.5 hours before the alert went out and 111 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 616 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHAR 082329 RRA SVRHAR PAC001-133-090030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HARRISBURG PA 729 PM EDT TUE JUN 8 1993 THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...S... IN SOUTH CENTRAL PENNSYLVANIA ...ADAMS COUNTY...YORK COUNTY HARRISBURG RADAR SHOWED A SEVERE THUNDERSTORM OVER CUMBERLAND COUNTY MOVING TO THE SOUTHEAST AROUND 40 MILES AN HOUR. THIS STORM PRODUCED 1 INCH DIAMETER HAIL AS MOVED THROUGH SHIPPENSBURG AND CLEVERSBURG. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. MATUSIEWICZ &
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 8, 4:55 PM EDT, 2 hours 34 minutes before
PAZ007-008-014-082200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 400 PM EDT TUE JUN 8 1993 ...SEVERE THUNDERSTORM WATCH FOR CLINTON COUNTY UNTIL 1000 PM EDT... ...WATCH INFORMATION... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR A LARGE PART OF WESTERN PENNSYLVANIA. THIS WATCH INCLUDES CLINTON COUNTY OF NORTHCENTRAL PENNSYLVANIA AND IS IN EFFECT UNTIL 10 PM EDT. ...RADAR INFORMATION... AT 455 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF SHOWERS AND STRONG THUNDERSTORMS OVER PARTS OF CENTRAL AND WESTERN PENNSYLVANIA. THE LEADING EDGE OF THIS AREA OF PRECIPITATION EXTENDED FROM BINGHAMTON NEW YORK THEN TO WILLIAMSPORT AND INDIANA...THEN TO WHEELING WEST VIRGINIA. THE STRONGEST THUNDERSTORMS WERE IN BUTLER...CAMBRIA...CLEARFIELD AND WASHINGTON COUNTIES OF WESTERN PENNSYLVANIA. THE THUNDERSTORMS IN WESTERN PENNSYLVANIA HAVE A HISTORY OF PRODUCING SEVERE WEATHER...INCLUDING DAMAGING WINDS...HAIL AND FREQUENT LIGHTNING. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR. SCATTERED SHOWERS AND THUNDERSTORMS WILL BE MOVING THROUGH CLINTON... TIOGA...LYCOMING AND SOUTHERN BRADFORD COUNTIES THROUGH 7 PM. ...SAFETY RULES... A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE RIGHT FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55 MILES AN HOUR AND DESTRUCTIVE HAIL. ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. IF THUNDERSTORMS APPROACH YOUR LOCATION...SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. DO NOT USE ELECTRICAL APPLIANCES OR THE TELEPHONE WHILE A THUNDERSTORM IS NEARBY. LISTEN TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR LATER STATEMENTS FROM THE NATIONAL WEATHER SERVICE. KJF/FJG
Special weather statement, Jun 8, 5:30 PM EDT, 1 hour 59 minutes before
PAC006-013-014-090100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA 530 PM EDT TUE JUN 8 1993 ...SEVERE THUNDERSTORM OVER SOUTHERN CLEARFIELD COUNTY... AT 515 PM HARRISBURG RADAR SHOWED A SEVERE THUNDERSTORM OVER SOUTHERN CLEARFIELDCOUNTY. OTHER LESS INTENSE STORMS WERE OVER CENTRE COUNTY JUST SOUTH OF PHILIPSBURG AND OVER INDIANA AND ARMSTRONG COUNTIES. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AROUND 30 MILES AN HOUR AND HAVE BEEN WEAKENING AS THEY MOVE FROM WESTERN PENNSYLVANIA INTO THE SOUTH CENTRAL MOUNTAINS. PEOPLE IN CENTRE AND HUNTINGDON COUNTIES SHOULD BE ON THE LOOKOUT FOR HEAVY RAIN...WINDS GUSTING TO NEAR 35 MPH...FREQUENT LIGHTNING...AND POSSIBLY SOME SMALL HAIL AS THE STORMS MAKE THEIR WAY SOUTHEASTWARD. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. MATUSIEWICZ
Special weather statement, Jun 8, 6:00 PM EDT, 1 hour 29 minutes before
PAZ007-008-014-082300- SPECIAL W STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 600 PM EDT TUE JUN 8 1993 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR CLINTON COUNTY UNTIL 1000 PM EDT... ...WATCH INFORMATION... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR A LARGEART OF WESTERN PENNSYLVANIA. THIS WATCH INCLUDES CLINTON COUNTY OF NORTHCENTRAL PENNSYLVANIA AND IS IN EFFECT UNTIL 10 PM EDT. ...RADAR INFORMATION... AT 555 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF SHOWERS AND STRONG THUNDERSTORMS OVER CENTRAL AND WRN PENNSYLVANIA. STRONGEST THUNDERSTORMS EXTENDED IN A LINE FROM PHILLIPSBURG IN CENTRE COUNTY TO JUST SOUTH OF PITTSBURGH. THUNDERSTORMS WITH HEAVY DOWNPOURS WERE OCCURRING OVER LYCOMING AND CLINTON COUNTIES OF NORTHCENTRAL PENNSYLVANIA. THE THUNDERSTORMS IN WESTERN PENNSYLVANIA HAVE A HISTORY OF PRODUCING SEVERE WEATHER...INCLUDING DAMAGING WINDS...HAIL AND FREQUENT LIGHTNING. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR. THE THUNDERSTORMS OVER LYCOMING AND CLINTON COUNTIES WILL CONTINUE THROUGH 7 PM EDT AND THE ACTILL BE SPREADING INTO SULLIVAN AND COLUMBIA COUNTIES BY 645 PM EDT. ...SAFETY RULES... A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE RIGHT FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS I EXCESS OF 55 MILES AN HOUR AND DESTRUCTIVE HAIL. ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. IF THUNDERSTORMS APPROACH YOUR LOCATION...SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. DO NOT USE ELECTRICAL APPLIANCES OR THE TELEPHONE WHILE A THUNDERSTORM IS NEARBY LISTEN TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR LATER STATEMENTS FROM THE NATIONAL WEATHER SERVICE. KJF/FJG
Special weather statement, Jun 8, 6:00 PM EDT, 1 hour 29 minutes before
PAZ007-008-014-082300- SPECIAL W STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 600 PM EDT TUE JUN 8 1993 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR CLINTON COUNTY UNTIL 1000 PM EDT... ...WATCH INFORMATION... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR A LARGEART OF WESTERN PENNSYLVANIA. THIS WATCH INCLUDES CLINTON COUNTY OF NORTHCENTRAL PENNSYLVANIA AND IS IN EFFECT UNTIL 10 PM EDT. ...RADAR INFORMATION... AT 555 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF SHOWERS AND STRONG THUNDERSTORMS OVER CENTRAL AND WRN PENNSYLVANIA. STRONGEST THUNDERSTORMS EXTENDED IN A LINE FROM PHILLIPSBURG IN CENTRE COUNTY TO JUST SOUTH OF PITTSBURGH. THUNDERSTORMS WITH HEAVY DOWNPOURS WERE OCCURRING OVER LYCOMING AND CLINTON COUNTIES OF NORTHCENTRAL PENNSYLVANIA. THE THUNDERSTORMS IN WESTERN PENNSYLVANIA HAVE A HISTORY OF PRODUCING SEVERE WEATHER...INCLUDING DAMAGING WINDS...HAIL AND FREQUENT LIGHTNING. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR. THE THUNDERSTORMS OVER LYCOMING AND CLINTON COUNTIES WILL CONTINUE THROUGH 7 PM EDT AND THE ACTILL BE SPREADING INTO SULLIVAN AND COLUMBIA COUNTIES BY 645 PM EDT. ...SAFETY RULES... A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE RIGHT FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS I EXCESS OF 55 MILES AN HOUR AND DESTRUCTIVE HAIL. ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. IF THUNDERSTORMS APPROACH YOUR LOCATION...SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. DO NOT USE ELECTRICAL APPLIANCES OR THE TELEPHONE WHILE A THUNDERSTORM IS NEARBY LISTEN TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR LATER STATEMENTS FROM THE NATIONAL WEATHER SERVICE. KJF/FJG
Special weather statement, Jun 8, 7:00 PM EDT, 29 minutes before
PAZ007-008-014-090000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 700 PM EDT TUE JUN 8 1993 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR CLINTON COUNTY UNTIL 1000 PM EDT... ...WATCH INFORMATION... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A LARGE PART OF WESTERN PENNSYLVANIA. THIS WATCH INCLUDES CLINTON COUNTY OF NORTHCENTRAL PENNSYLVANIA AND IS IN EFFECT UNTIL 10 PM EDT. ...RADAR INFORMATION... AT 655 PM EDT NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW A LARGE AREA OF SHOWERS AND STRONG THUNDERSTORMS OVER CENTRAL AND WESTERN PENNSYLVANIA. THE STRONGEST THUNDERSTORMS EXTENDED IN A LINE FROM MIFFLINTOWN TO WEST OF LATROBE. ONE INCH DIAMETER HAIL WAS REPORTED IN THE TOWN OF HUNTINGTON AS THESE THUNDERSTORMS MOVED THROUGH THAT AREA. THUNDERSTORMS WITH HEAVY DOWNPOURS CONTINUED OVER PARTS OF LYCOMING AND CLINTON COUNTIES OF NORTHCENTRAL PENNSYLVANIA. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR. THE THUNDERSTORMS OVER LYCOMING AND CLINTON COUNTIES WILL CONTINUE THROUGH 8 PM EDT ALTHOUGH THE PRECIPITATION WILL BE ENDING FROM THE NORTHWEST DURING THE NEXT COUPLE OF HOURS. ...SAFETY RULES... A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE RIGHT FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55 MILES AN HOUR AND DESTRUCTIVE HAIL. ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. IF THUNDERSTORMS APPROACH YOUR LOCATION...SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. DO NOT USE ELECTRICAL APPLIANCES OR THE TELEPHONE WHILE A THUNDERSTORM IS NEARBY. LISTEN TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR LATER STATEMENTS FROM THE NATIONAL WEATHER SERVICE. KJF/FJG
Special weather statement, Jun 8, 7:00 PM EDT, 29 minutes before
PAZ007-008-014-090000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 700 PM EDT TUE JUN 8 1993 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR CLINTON COUNTY UNTIL 1000 PM EDT... ...WATCH INFORMATION... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A LARGE PART OF WESTERN PENNSYLVANIA. THIS WATCH INCLUDES CLINTON COUNTY OF NORTHCENTRAL PENNSYLVANIA AND IS IN EFFECT UNTIL 10 PM EDT. ...RADAR INFORMATION... AT 655 PM EDT NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW A LARGE AREA OF SHOWERS AND STRONG THUNDERSTORMS OVER CENTRAL AND WESTERN PENNSYLVANIA. THE STRONGEST THUNDERSTORMS EXTENDED IN A LINE FROM MIFFLINTOWN TO WEST OF LATROBE. ONE INCH DIAMETER HAIL WAS REPORTED IN THE TOWN OF HUNTINGTON AS THESE THUNDERSTORMS MOVED THROUGH THAT AREA. THUNDERSTORMS WITH HEAVY DOWNPOURS CONTINUED OVER PARTS OF LYCOMING AND CLINTON COUNTIES OF NORTHCENTRAL PENNSYLVANIA. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR. THE THUNDERSTORMS OVER LYCOMING AND CLINTON COUNTIES WILL CONTINUE THROUGH 8 PM EDT ALTHOUGH THE PRECIPITATION WILL BE ENDING FROM THE NORTHWEST DURING THE NEXT COUPLE OF HOURS. ...SAFETY RULES... A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE RIGHT FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55 MILES AN HOUR AND DESTRUCTIVE HAIL. ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. IF THUNDERSTORMS APPROACH YOUR LOCATION...SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. DO NOT USE ELECTRICAL APPLIANCES OR THE TELEPHONE WHILE A THUNDERSTORM IS NEARBY. LISTEN TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR LATER STATEMENTS FROM THE NATIONAL WEATHER SERVICE. KJF/FJG
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 7:09 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 66 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; radar from the NEXRAD Level II archive.