Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 49, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 4, 1996, 3:29 PM EDT for Adams County, Pennsylvania. It was in force for 61 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
- Jun 4, 1996, 3:29 PM EDT (19:29 UTC)
- Expired
- Jun 4, 1996, 4:30 PM EDT
- In force
- 61 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Adams County, PA
The radar
The Sterling radar (KLWX), 102 km from the middle of the area, began a volume at 19:31 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 4, 4:00 PM EDT | Hail 0.75 | Biglerville, 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.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.5 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
- 117 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 875 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 135 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 KCTP 041930 SVRCTP PAC001-042030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 329 PM EDT TUE JUN 4 1996 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN PENNSYLVANIA ...ADAMS COUNTY AT 328 PM EDT WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM NEAR BIGLERVILLE. THE STORM WILL REACH NEAR YORK SPRINGS BY 345 PM. DOPPLER RADAR ALSO SHOWED A SEVERE THUNDERSTORM OVER NORTH-CENTRAL MARYLAND WILL PASS SOUTH OF GETTYSBURG BETWEEN 345 AND 400 PM AND REACH NEAR MC SHERRYSTOWN BY 415 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. WINTHER
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.
NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 4, 2:43 PM EDT, 46 minutes earlier.
Area forecast discussion, Jun 4, 2:43 PM EDT, 46 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 240 PM EDT TUE JUN 4 1996 GETTING RATHER BUSY AROUND HERE... VIL OF THE DAY...35 FOR CURRENT ACTIVITY. GREENCASTLE HAD A 1/2- 3/4 INCH WITH A VIL OF 35. ANOTHER REPORT OF 5/6 INCH HAIL WITH VILS IN THE UPPER 30'S (ALSO IN FRANKLIN CNTY). ATM BECOMING MORE UNSTABLE AS COLDER TEMPS MOVE INTO REGION AT 5H. ADAP INDICATES BEST MOIST CONVERGENCE/INSTABILITY ACROSS SOUTH-CENTRAL PA ATTM. RW/TRW WILL CONTINUE INTO THE EVE HRS WITH MODELS INDICATING BEST FORCING ACROSS SE PA AND NW PA. ACTIVITY SHOULD DIE DOWN AFTER MIDNIGHT WITH DIURNAL HEATING LOST. ANOTHER SHRTWV WILL CLIP N PA WED AFTN/EVE SO ANOTHER SHOT OF RW- FOR THIS AREA WED AFTN. WINTHER
In the hours before
Special weather statement, Jun 4, 11:20 AM EDT, 4 hours 9 minutes before
PAZ004>06-010>012-017>019-024>028-033>037-041>042-045>046- 049>053-056>059-063>066-050300- SEVERE WEATHER OUTLOOK FOR PENNSYLVANIA NATIONAL WEATHER SERVICE STATE COLLEGE PA 1115 AM EDT TUE JUN 4 1996 THE STORM PREDICTION CENTER SAYS THERE IS A SLIGHT RISK OF SEVERE WEATHER ACROSS ALL OF CENTRAL PENNSYLVANIA THIS AFTERNOON AND EVENING. THIS INCLUDES THE CITIES AND SURROUNDING AREAS OF BRADFORD...JOHNSTOWN...STATE COLLEGE...WILLIAMSPORT...AND HARRXISBURG. CONDITIONS LATER THIS AFTERNOON WILL BE FAVORABLE FOR THUNDERSTORMS...SOME OF WHICH MAY BECOME SEVERE. SKYWARN SPOTTER NETWORKS MAY NEED TO BE ACTIVATED LATER THIS AFTERNOON AND EVENING. OSTUNO
Special weather statement, Jun 4, 1:20 PM EDT, 2 hours 9 minutes before
PAZ004-042300- SPECIAL WEATHER STATEMENT...SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 115 PM EDT TUE JUNE 4 1996 ...SEVERE THUNDERSTORM WATCH FOR WARREN COUNTY UNTIL 700 PM... THE STORM PREDICTION CENTER IN KANSAS CITY HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR MUCH OF OHIO AND EXTREME WESTERN PENNSYLVANIA UNTIL 7 PM EDT. THE COMBINATION OF AN UNSTABLE AIRMASS AND DAYTIME HEATING WILL CONTRIBUTE TO THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EARLY EVENING. SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS THE OHIO VALLEY THIS AFTERNOON THEN SPREAD EAST AND REACH WESTERN PENNSYLVANIA LATER THIS AFTERNOON. SOME OF THESE THUNDERSTORMS COULD BE SEVERE PRODUCING LARGE HAIL AND DAMAGING WINDS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE IN AND CLOSE TO THE WATCH AREA. WINTHER
Special weather statement, Jun 4, 1:22 PM EDT, 2 hours 7 minutes before
PAZ004-042300- SPECIAL WEATHER STATEMENT...SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 115 PM EDT TUE JUNE 4 1996 ...SEVERE THUNDERSTORM WATCH FOR WARREN COUNTY UNTIL 700 PM... THE STORM PREDICTION CENTER IN KANSAS CITY HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR MUCH OF OHIO AND EXTREME WESTERN PENNSYLVANIA UNTIL 7 PM EDT. THE COMBINATION OF AN UNSTABLE AIRMASS AND DAYTIME HEATING WILL CONTRIBUTE TO THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EARLY EVENING. SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS THE OHIO VALLEY THIS AFTERNOON THEN SPREAD EAST AND REACH WESTERN PENNSYLVANIA LATER THIS AFTERNOON. SOME OF THESE THUNDERSTORMS COULD BE SEVERE PRODUCING LARGE HAIL AND DAMAGING WINDS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. WINTHER
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 2:23 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Juniata, Perry | 67 min |
| Jun 4, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 65 min |
| Jun 4, 3:39 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 51 min |
| Jun 4, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 62 min |
| Jun 4, 3:48 PM EDT | Severe Thunderstorm Warning | CTP | York | 57 min |
| Jun 4, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 45 min |
| Jun 4, 4:45 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 60 min |
| Jun 4, 4:47 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 58 min |
| Jun 4, 4:54 PM EDT | Severe Thunderstorm Warning | CTP | York | 36 min |
| Jun 4, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 65 min |
| Jun 4, 5:28 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon | 62 min |
| Jun 4, 5:31 PM EDT | Severe Thunderstorm Warning | CTP | York | 44 min |
| Jun 4, 6:21 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 69 min |
| Jun 4, 6:53 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 52 min |
| Jun 4, 7:23 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 67 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1996Every severe thunderstorm warning in 1996
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; radar from the NEXRAD Level II archive.