Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 57, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 4, 1996, 5:10 PM EDT for Lancaster County, Pennsylvania. It was in force for 65 min. 2 reports 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, 5:10 PM EDT (21:10 UTC)
- Expired
- Jun 4, 1996, 6:15 PM EDT
- In force
- 65 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Lancaster County, PA
The radar
The Dover AFB radar (KDOX), 152 km from the middle of the area, began a volume at 21:14 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, 5:15 PM EDT | Thunderstorm Wind | Manheim, PA | |
| Jun 4, 6:09 PM EDT | Hail 1.75 | Lancaster, 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, 9.2 hours before the alert went out and 157 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 2 hours 27 minutes earlier.
Area forecast discussion, Jun 4, 2:43 PM EDT, 2 hours 27 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, 5 hours 50 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, 3 hours 50 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, 3 hours 48 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
Special weather statement, Jun 4, 4:42 PM EDT, 28 minutes before
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</html>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, 3:29 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 61 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, 5:28 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.