Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 152, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Aug 16, 1997, 3:58 PM EDT for Schuylkill County, Pennsylvania. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 16, 1997, 3:58 PM EDT (19:58 UTC)
- Expired
- Aug 16, 1997, 5:00 PM EDT
- In force
- 62 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Schuylkill County, PA
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 16, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 8.0 hours before the alert went out and 220 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
- 509 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 1391 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 161959 RRA SVRCTP PAC107-162100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 358 PM EDT SAT AUG 16 1997 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL PENNSYLVANIA ...SCHUYLKILL COUNTY AT 355 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM VALLEY VIEW TO FRACKVILLE IN SCHUYLKILL COUNTY. THE STORMS WILL REACH POTTSVILLE AND TOMAQUA BY 415 PM...AND SCHUYLKILL HAVEN AND ORWIGSBURG BY 430 PM. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG DBUILDING. 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. JUNG/OSTUNO
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 Aug 16, 2:06 PM EDT, 1 hour 52 minutes earlier.
Area forecast discussion, Aug 16, 2:06 PM EDT, 1 hour 52 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 205 PM EDT SAT AUG 16 1997 ...ZONE SUGGESTIONS... NONE...ZONES LOOK GOOD. ...DISCUSSION... IR AND WV IMAGERY SHOWS SMALL MCS WORKG ACROSS N PA ATTM WITH A STRONG LEWP TYPE SQUALL LINE...SIMILAR TO 5/19/97 EVENT. THIS MCS WILL CONTINUE PROPOAGATING THROUGH VERY FAVORABLE ENVIRONMENT THROUGH THE AFT INTO THE EVE SO LOOKS LIKE A LONG-LIVED EVENT... AGAIN SIMILAR TO 5/19. MOST OF THE ACTION WILL STAY NORTH OF I-80...BUT SOME SCATTERED STRONG TO SEVERE STORMS COULD OCCUR ACROSS SOUTHERN PA WITH LATE AFT HEATING. THINGS SHOULD QUIET DOWN CONSIDERABLY FOR TONIGHT. CONCERN FOR SUNDAY WILL BE PTNL FOR HEAVY RAINFALL/FLOODING IN PA. EAST-WEST BOUNDARY SETS UP ACROSS STATE PARALLEL TO FLOW AS WITH GOOD LL CONV AND STRONG LL JET ENTER THE FRAY. THIS SITUATION SHOULD BE LOOKED DURING LATER...LESS HECTIC...SHIFTS. OSTUNO
In the hours before
Special weather statement, Aug 16, 3:35 PM EDT, 23 minutes before
PAZ041-042-046-049>053-058-170140- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 335 PM EDT SAT AUG 16 1997 ...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR THE MID-SUSQUEHANNA VALLEY... THE COUNTIES INCLUDED IN THE WATCH ARE: LYCOMING...SULLIVAN...UNION...SNYDER...NORTHUMBERLAND... MONTOUR...COLUMBIA....AND SCHUYLKILL. A LINE OF SEVERE THUNDERSTORMS WITH A LONG HISTORY OF WIND DAMAGE WILL MOVE THROUGH THIS AREA THIS AFTERNOON AND INTO THIS EVENING. THESE STORMS ARE CAPABLE OF PRODUCING STRONG DAMAGING WINDS AND HEAVY DOWNPOURS. A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE IN AND NEAR THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD WATCH LOCAL WEATHER CONDITIONS AND LISTEN FOR POSSIBLE SEVERE WEATHER WARNINGS. OSTUNO
Special weather statement, Aug 16, 3:35 PM EDT, 23 minutes before
PAZ041-042-046-049>053-058-170140- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 335 PM EDT SAT AUG 16 1997 ...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR THE MID-SUSQUEHANNA VALLEY... THE COUNTIES INCLUDED IN THE WATCH ARE: LYCOMING...SULLIVAN...UNION...SNYDER...NORTHUMBERLAND... MONTOUR...COLUMBIA....AND SCHUYLKILL. A LINE OF SEVERE THUNDERSTORMS WITH A LONG HISTORY OF WIND DAMAGE WILL MOVE THROUGH THIS AREA THIS AFTERNOON AND INTO THIS EVENING. THESE STORMS ARE CAPABLE OF PRODUCING STRONG DAMAGING WINDS AND HEAVY DOWNPOURS. A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE IN AND NEAR THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD WATCH LOCAL WEATHER CONDITIONS AND LISTEN FOR POSSIBLE SEVERE WEATHER WARNINGS. CORRECTED TO CHANGE WARNING TO WATCH IN HEADER. OSTUNO
Special weather statement, Aug 16, 3:36 PM EDT, 22 minutes before
PAZ041-042-046-049>053-058-170140- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 335 PM EDT SAT AUG 16 1997 ...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR THE MID-SUSQUEHANNA VALLEY... THE COUNTIES INCLUDED IN THE WATCH ARE: LYCOMING...SULLIVAN...UNION...SNYDER...NORTHUMBERLAND... MONTOUR...COLUMBIA....AND SCHUYLKILL. A LINE OF SEVERE THUNDERSTORMS WITH A LONG HISTORY OF WIND DAMAGE WILL MOVE THROUGH THIS AREA THIS AFTERNOON AND INTO THIS EVENING. THESE STORMS ARE CAPABLE OF PRODUCING STRONG DAMAGING WINDS AND HEAVY DOWNPOURS. A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE IN AND NEAR THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD WATCH LOCAL WEATHER CONDITIONS AND LISTEN FOR POSSIBLE SEVERE WEATHER WARNINGS. OSTUNO
Special weather statement, Aug 16, 3:45 PM EDT, 13 minutes before
PAZ004>006-010>012-017>019-037-162050- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORM WATCH CANCELLED NATIONAL WEATHER SERVICE STATE COLLEGE PA 345 PM EDT SAT AUG 16 1997 ...SEVERE THUNDERSTORM WATCH FOR THE NORTHERN MOUNTAINS...CENTRAL MOUNTAINS...AND PARTS OF THE UPPER SUSQUEHANNA VALLEY HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES: WARREN...MCKEAN...POTTER...TIOGA...ELK...CAMERON...CLINTON... CLEARFIELD...AND CENTRE. A LINE OF SEVERE THUNDERSTORMS HAS MOVED EAST OF THIS AREA. THE THREAT OF SEVERE WEATHER HAS ENDED FOR THE MOMENT. OSTUNO OFFICIAL NATIONAL WEATHER SERVICE FORECASTS...STATEMENTS... WATCHES...WARNINGS AND ADVISORIES FOR PENNSYLVANIA CAN BE FOUND ON THE WORLD WIDE WEB AT THE FOLLOWING ADDRESS: HTTP://IWIN.NWS.NOAA/GOV/IWIN/PA/PA.HTML OR 140.90.6.254/IWIN/PA/PA.HTML
Special weather statement, Aug 16, 3:46 PM EDT, 12 minutes before
PAZ004>006-010>012-017>019-037-162050- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORM WATCH CANCELLED NATIONAL WEATHER SERVICE STATE COLLEGE PA 345 PM EDT SAT AUG 16 1997 ...SEVERE THUNDERSTORM WATCH FOR THE NORTHERN MOUNTAINS...CENTRAL MOUNTAINS...AND PARTS OF THE UPPER SUSQUEHANNA VALLEY HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES: WARREN...MCKEAN...POTTER...TIOGA...ELK...CAMERON...CLINTON... CLEARFIELD...AND CENTRE. A LINE OF SEVERE THUNDERSTORMS HAS MOVED EAST OF THIS AREA. THE THREAT OF SEVERE WEATHER HAS ENDED FOR THE MOMENT. OSTUNO OFFICIAL NATIONAL WEATHER SERVICE FORECASTS...STATEMENTS... WATCHES...WARNINGS AND ADVISORIES FOR PENNSYLVANIA CAN BE FOUND ON THE WORLD WIDE WEB AT THE FOLLOWING ADDRESS: HTTP://IWIN.NWS.NOAA/GOV/IWIN/PA/PA.HTML OR 140.90.6.254/IWIN/PA/PA.HTML
Special weather statement, Aug 16, 3:54 PM EDT, 4 minutes before
PAZ041-042-046-049>053-058-170140- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 335 PM EDT SAT AUG 16 1997 ...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR THE MID-SUSQUEHANNA VALLEY... THE COUNTIES INCLUDED IN THE WATCH ARE: LYCOMING...SULLIVAN...UNION...SNYDER...NORTHUMBERLAND... MONTOUR...COLUMBIA....AND SCHUYLKILL. A LINE OF SEVERE THUNDERSTORMS WITH A LONG HISTORY OF WIND DAMAGE WILL MOVE THROUGH THIS AREA THIS AFTERNOON AND INTO THIS EVENING. THESE STORMS ARE CAPABLE OF PRODUCING STRONG DAMAGING WINDS AND HEAVY DOWNPOURS. A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE IN AND NEAR THE WATCH AREA. PEOPLE IN0 THE WATCH AREA SHOULD WATCH LOCAL WEATHER CONDITIONS AND LISTEN FOR POSSIBLE SEVERE WEATHER WARNINGS. CORRECTED TO CHANGE WARNING TO WATCH IN HEADER. OSTUNO
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 11:32 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 58 min |
| Aug 16, 12:26 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 59 min |
| Aug 16, 12:43 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 62 min |
| Aug 16, 1:12 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Potter | 58 min |
| Aug 16, 1:26 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 59 min |
| Aug 16, 1:43 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 62 min |
| Aug 16, 1:43 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 62 min |
| Aug 16, 2:01 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 64 min |
| Aug 16, 2:10 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 60 min |
| Aug 16, 2:17 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 63 min |
| Aug 16, 2:24 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 31 min |
| Aug 16, 2:41 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 64 min |
| Aug 16, 2:56 PM EDT | Tornado Warning | CTP | Sullivan | 49 min |
| Aug 16, 3:04 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland | 61 min |
| Aug 16, 3:04 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Union | 61 min |
| Aug 16, 3:22 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Snyder | 63 min |
| Aug 16, 3:22 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 63 min |
| Aug 16, 7:14 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 61 min |
| Aug 16, 7:36 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 64 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1997Every severe thunderstorm warning in 1997
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.