Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 142, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Aug 16, 1997, 1:43 PM EDT for Tioga County, Pennsylvania. It was in force for 62 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
- Aug 16, 1997, 1:43 PM EDT (17:43 UTC)
- Expired
- Aug 16, 1997, 2:45 PM EDT
- In force
- 62 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Tioga County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 16, 2:00 PM EDT | Thunderstorm Wind 51 | Wellsboro, PA | Trees down. |
| Aug 16, 2:40 PM EDT | Thunderstorm Wind 51 | Tioga, PA | Trees down. |
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 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, 11:00 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.7 hours before the alert went out and 175 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
- 518 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 740 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 161744 RRA SVRCTP PAC035-117-161845- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 143 PM EDT SAT AUG 16 1997 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 245 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL PENNSYLVANIA ...NORTHERN CLINTON COUNTY IN NORTH CENTRAL PENNSYLVANIA ...TIOGA COUNTY AT 140 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM NORTHEAST POTTER COUNTY SOUTHWEST TO NEAR CAMERON AND DRIFTWOOD IN SOUTHERN CAMERON COUNTY. THE LINE OF STORMS WAS MOVING EAST AT 45 MPH. THE LINE OF STORMS WILL EXTEND FROM WESTFIELD IN NORTHWEST TIOGA COUNTY SOUTHWEST TO GAINES AND TAMARACK IN NORTHERN CLINTON COUNTY BEFORE 2 PM. THE LINE OF STORMS WILL REACH WELLSBORO TO RENOVO BY 210 PM. THIS LINE OF STORMS HAS A HISTORY OF PRODUCING DAMAGING WINDS AND LARGE HAIL IN NORTHWEST PENNSYLVANIA. THIS IS A DANGEROUS LINE OF STORMS. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING. STAY AWAY FROM WINDOWS. NICOSIA/JUNG &
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, 9:25 AM EDT, 4 hours 18 minutes earlier.
Area forecast discussion, Aug 16, 9:25 AM EDT, 4 hours 18 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 925 AM EDT SAT AUG 16 1997 ...ZONE SUGGESTIONS... HEAT ADVY LOOKS GOOD LWR SUS VLLY. SVR TSTM WATCH TIL NOON GOOD NW PA. FCST MAXES LOOK ON TRACK.... COORD W/ PHL ABT RAISING MAXES A LITTLE SUS VLLY. POPS FOR AFTRN LOOK ON TRACK AS WELL MENTIONING CHC FOR AFTRN TSTM MOST AREAS... HIGHEST POPS NRN ZONES. ...DISCUSSION... IR AND WV IMAGERY SHOWS MCS WORKG INTO NRN OH AND LE THIS AM. THIS MCS APPARENTLY HAS FIRED IN ASSCTN WITH ENHANCED SWRLY LL FLO IN ADVANCE OF AN UPR LVL PV MAX MOVG THRU THE UPR LAKES AS PER WV IMAGERY. THE WAVE ALOFT HAS SUPPORTED INCREASE LL THETA-E ADVTN INTO THE LWR LAKES FIRING THE MCS. CAPES IN ADVANCE OF THIS MCS WERE TOPPING 2000 J/KG OVR NE OH WITH AN ATTENDANT MOISTURE CONV MAX IN NE OH AS WELL. WV CHANNEL ALSO SHOWS SOME MEASURE OF DRIER AIR AT MID-LVLS WORKG ACRS ERN OH AND WRN PA WHICH IS ECHOED ON THE 1200 UTC UPR SOUNDING FROM PIT. THIS ALSO MAY ENHANCE MCS ACVTY AS IT ROLLS TWD NW PA. THUS... ALL SIGNS INDICATE THAT MCS WILL HOLD TOGETHER AS IT APPRCHS NW PA LATER THIS MORNING. ONLY CONCERN FOR NW PA ATTM IS THE MID-LVL STEERING FLO. MODELS (EXCEPT AVN) ALL SHOW A SWRLY THERMAL WIND VECTOR OVR WRN PA BY 1800 UTC IN THE 850 TO 500 MB LYR. WITH ANTICYCLONIC CURVATURE ALOFT DOMINATING THE ERN U.S THESE MODELS MIGHT BE CORRECT AND THE MCS MIGHT TRY TO TURN MORE TO THE NE LATE THIS AM. HOWEVER... A WATCH IS STILL A GOOD IDEA FOR NW PA GIVEN UNCERTAINITIES TOWARD THIS. AFTRN MAXES LOOK ON TRACK... THINK SCTRD CNVTN PSBL DUE TO MESOSCALE MTN/VLLY CRCLNS THAT FORM. FOR NRN ZONES... ACVTY FROM MCS CUD BE IN THE PICTURE SO WUD HV 40 TO 50 POPS. FOR CNTRL/SRN ZONES... WUD HV 30 POPS. LWR SUS VLLY PROBABLY WILL DODGE ALL ACVTY TODAY. UNLESS GUIDNC CHANGES SIGNIFICANTLY 12Z RUN... CONCERN FOR SUNDAY WILL BE PTNL FOR HEAVY RAINFALL/FLOODING IN PA. WILL ADDRESS NEXT FCST DSCN. NICOSIA
In the hours before
Special weather statement, Aug 16, 8:28 AM EDT, 5 hours 15 minutes before
PAZ004-161630- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 828 AM EDT SAT AUG 16 1997 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR NORTHWEST PENNSYLVANIA UNTIL NOON EDT... WITHIN THE NORTHERN MOUNTAINS... THE SEVERE THUNDERSTORM WATCH INCLUDES ONLY WARREN COUNTY. ...FORECAST DETAILS... A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS OVER SOUTHEAST LOWER MICHIGAN AND NORTHWEST OHIO WAS RACING EAST NEAR 50 MPH. THE STORMS COULD REACH WARREN COUNTY IN NORTHWEST PENNSYLVANIA LATE IN THE MORNING. THUS... THE HIGHEST THREAT FOR SEVERE WEATHER IN WARREN COUNTY WILL BE LATE IN THE MORNING. IF THE STORMS HOLD TOGETHER AND MAINTAIN INTENSITY... THEY WILL BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS OVER 58 MPH AND LARGE HAIL OF AN INCH IN DIAMETER OR GREATER. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. SEVERE THUNDERSTORMS ARE A POSSIBILITY... NOT A CERTAINTY. A SEVERE THUNDERSTORM PRODUCES WINDS OF 58 MPH OR GREATER AND/OR HAIL 3/4 INCH OR LARGER. SKYWARN ACTIVATION MAY BE NEEDED LATE THIS MORNING. 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 NICOSIA
Special weather statement, Aug 16, 8:29 AM EDT, 5 hours 14 minutes before
PAZ004-161630- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 828 AM EDT SAT AUG 16 1997 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR NORTHWEST PENNSYLVANIA UNTIL NOON EDT... WITHIN THE NORTHERN MOUNTAINS... THE SEVERE THUNDERSTORM WATCH INCLUDES ONLY WARREN COUNTY. ...FORECAST DETAILS... A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS OVER SOUTHEAST LOWER MICHIGAN AND NORTHWEST OHIO WAS RACING EAST NEAR 50 MPH. THE STORMS COULD REACH WARREN COUNTY IN NORTHWEST PENNSYLVANIA LATE IN THE MORNING. THUS... THE HIGHEST THREAT FOR SEVERE WEATHER IN WARREN COUNTY WILL BE LATE IN THE MORNING. IF THE STORMS HOLD TOGETHER AND MAINTAIN INTENSITY... THEY WILL BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS OVER 58 MPH AND LARGE HAIL OF AN INCH IN DIAMETER OR GREATER. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. SEVERE THUNDERSTORMS ARE A POSSIBILITY... NOT A CERTAINTY. A SEVERE THUNDERSTORM PRODUCES WINDS OF 58 MPH OR GREATER AND/OR HAIL 3/4 INCH OR LARGER. SKYWARN ACTIVATION MAY BE NEEDED LATE THIS MORNING. OFFICIAL NATIONAL WEATHER SERVIVCE 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 NICOSIA
Special weather statement, Aug 16, 10:27 AM EDT, 3 hours 16 minutes before
PAZ056-057-059-063>066-161700- SPECIAL WEATHER STATEMENT - HEAT ADVISORY NATIONAL WEATHER SERVICE STATE COLLEGE PA 535 AM EDT SAT AUG 16 1997 ...A HEAT ADVISORY IS IN EFFECT THIS AFTERNOON FOR THE LOWER SUSQUEHANNA VALLEY OF PENNSYLVANIA... THE HEAT ADVISORY IS IN EFFECT FOR PERRY...DAUPHIN...CUMBERLAND ...LEBANON...ADAMS...YORK...AND LANCASTER COUNTIES... ...FORECAST DETAILS... A VERY HUMID SOUTHWESTERLY FLOW OF AIR HAS ENGULFED THE LOWER SUSQUEHANNA VALLEY REGION THIS MORNING. WITH ABUNDANT SUNSHINE THIS AFTERNOON... TEMPERATURES WILL SOAR ACROSS THE LOWER SUSQUEHANNA VALLEY TO BETWEEN 95 AND 100 DEGREES. THESE HOT TEMPERATURES...COMBINED WITH HIGH HUMIDITIES WILL PRODUCE HEAT INDEX VALUES BETWEEN 105 AND 110 DEGREES THIS AFTERNOON. UNLIKE THE HOT WEATHER THAT OCCURRED IN JULY... HUMIDITY LEVELS WILL BE MUCH HIGHER TODAY. ...SYNOPSIS... A LARGE BERMUDA HIGH PRESSURE SYSTEM OFF THE SOUTHEASTERN UNITED STATES COAST WAS PUMPING THE HOT AND HUMID AIR INTO THE MIDDLE ATLANTIC STATES. A COLD FRONT WILL APPROACH THE REGION SUNDAY AND PASS SOUTH BY MONDAY BRINGING RELIEF TO THIS LATEST HOT SPELL. WITH THE FRONT CLOSER TO THE REGION... IT IS NOT EXPECTED TO BE AS HOT AS TODAY DUE TO INCREASED CLOUD COVER. HOWEVER... HUMIDITIES WILL REMAIN HIGH UNTIL MONDAY. ...PRECAUTIONS... DURING TIMES OF HOT WEATHER...WEAR LIGHTWEIGHT...LIGHT COLORED CLOTHING SINCE IT REFLECTS HEAT AND SUNLIGHT AND HELPS YOUR BODY STAY COOLER. YOU SHOULD EXERCISE CAUTION AND BE AWARE THAT THOSE MOST SUSCEPTIBLE TO THE HEAT INCLUDE THE ELDERLY...SMALL CHILDREN... THOSE IN POOR HEALTH...AND ANYONE WHO WORKS OR PLAYS OUTDOORS FOR LONG PERIODS OF TIME. LIMIT OUTSIDE ACTIVITIES AND DRINK PLENTY OF FUILDS. ...ADDITIONAL INFORMATION... 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 NICOSIA
Special weather statement, Aug 16, 10:29 AM EDT, 3 hours 14 minutes before
PAZ056-057-059-063>066-170000- SPECIAL WEATHER STATEMENT - HEAT ADVISORY NATIONAL WEATHER SERVICE STATE COLLEGE PA... CORRECTED 1030 AM EDT SAT AUG 16 1997 ...A HEAT ADVISORY IS IN EFFECT THIS AFTERNOON FOR THE LOWER SUSQUEHANNA VALLEY OF PENNSYLVANIA... THE HEAT ADVISORY IS IN EFFECT FOR PERRY...DAUPHIN...CUMBERLAND ...LEBANON...ADAMS...YORK...AND LANCASTER COUNTIES... ...FORECAST DETAILS... A VERY HUMID SOUTHWESTERLY FLOW OF AIR HAS ENGULFED THE LOWER SUSQUEHANNA VALLEY REGION THIS MORNING. WITH ABUNDANT SUNSHINE THIS AFTERNOON... TEMPERATURES WILL SOAR ACROSS THE LOWER SUSQUEHANNA VALLEY TO BETWEEN 95 AND 100 DEGREES. THESE HOT TEMPERATURES...COMBINED WITH HIGH HUMIDITIES WILL PRODUCE HEAT INDEX VALUES BETWEEN 105 AND 110 DEGREES THIS AFTERNOON. UNLIKE THE HOT WEATHER THAT OCCURRED IN JULY... HUMIDITY LEVELS WILL BE MUCH HIGHER TODAY. ...SYNOPSIS... A LARGE BERMUDA HIGH PRESSURE SYSTEM OFF THE SOUTHEASTERN UNITED STATES COAST WAS PUMPING THE HOT AND HUMID AIR INTO THE MIDDLE ATLANTIC STATES. A COLD FRONT WILL APPROACH THE REGION SUNDAY AND PASS SOUTH BY MONDAY BRINGING RELIEF TO THIS LATEST HOT SPELL. WITH THE FRONT CLOSER TO THE REGION... IT IS NOT EXPECTED TO BE AS HOT AS TODAY DUE TO INCREASED CLOUD COVER. HOWEVER... HUMIDITIES WILL REMAIN HIGH UNTIL MONDAY. ...PRECAUTIONS... DURING TIMES OF HOT WEATHER...WEAR LIGHTWEIGHT...LIGHT COLORED CLOTHING SINCE IT REFLECTS HEAT AND SUNLIGHT AND HELPS YOUR BODY STAY COOLER. YOU SHOULD EXERCISE CAUTION AND BE AWARE THAT THOSE MOST SUSCEPTIBLE TO THE HEAT INCLUDE THE ELDERLY...SMALL CHILDREN... THOSE IN POOR HEALTH...AND ANYONE WHO WORKS OR PLAYS OUTDOORS FOR LONG PERIODS OF TIME. LIMIT OUTSIDE ACTIVITIES AND DRINK PLENTY OF FUILDS. ...ADDITIONAL INFORMATION... OFFICIAL NATIONAL WEATHER SERVICE FORECASTS...STATEMENTS... WATCHES...WARNINGS AND ADVISORIES FOR PENNSYLVANIA CAN BE FOUND ON THE WORLD WIDE WEB AT THE FOLLOWING ADD RESS: HTTP://IWIN.NWS.NOAA/GOV/IWIN/PA/PA.HTML OR 140.90.6.254/IWIN/PA/PA.HTML ...CORRECTED TIME AND EXPIRATION TIME... NICOSIA
Special weather statement, Aug 16, 10:30 AM EDT, 3 hours 13 minutes before
PAZ056-057-059-063>066-170000- SPECIAL WEATHER STATEMENT - HEAT ADVISORY NATIONAL WEATHER SERVICE STATE COLLEGE PA... CORRECTED 1030 AM EDT SAT AUG 16 1997 ...A HEAT ADVISORY IS IN EFFECT THIS AFTERNOON FOR THE LOWER SUSQUEHANNA VALLEY OF PENNSYLVANIA... THE HEAT ADVISORY IS IN EFFECT FOR PERRY...DAUPHIN...CUMBERLAND ...LEBANON...ADAMS...YORK...AND LANCASTER COUNTIES... ...FORECAST DETAILS... A VERY HUMID SOUTHWESTERLY FLOW OF AIR HAS ENGULFED THE LOWER SUSQUEHANNA VALLEY REGION THIS MORNING. WITH ABUNDANT SUNSHINE THIS AFTERNOON... TEMPERATURES WILL SOAR ACROSS THE LOWER SUSQUEHANNA VALLEY TO BETWEEN 95 AND 100 DEGREES. THESE HOT TEMPERATURES...COMBINED WITH HIGH HUMIDITIES WILL PRODUCE HEAT INDEX VALUES BETWEEN 105 AND 110 DEGREES THIS AFTERNOON. UNLIKE THE HOT WEATHER THAT OCCURRED IN JULY... HUMIDITY LEVELS WILL BE MUCH HIGHER TODAY. ...SYNOPSIS... A LARGE BERMUDA HIGH PRESSURE SYSTEM OFF THE SOUTHEASTERN UNITED STATES COAST WAS PUMPING THE HOT AND HUMID AIR INTO THE MIDDLE ATLANTIC STATES. A COLD FRONT WILL APPROACH THE REGION SUNDAY AND PASS SOUTH BY MONDAY BRINGING RELIEF TO THIS LATEST HOT SPELL. WITH THE FRONT CLOSER TO THE REGION... IT IS NOT EXPECTED TO BE AS HOT AS TODAY DUE TO INCREASED CLOUD COVER. HOWEVER... HUMIDITIES WILL REMAIN HIGH UNTIL MONDAY. ...PRECAUTIONS... DURING TIMES OF HOT WEATHER...WEAR LIGHTWEIGHT...LIGHT COLORED CLOTHING SINCE IT REFLECTS HEAT AND SUNLIGHT AND HELPS YOUR BODY STAY COOLER. YOU SHOULD EXERCISE CAUTION AND BE AWARE THAT THOSE MOST SUSCEPTIBLE TO THE HEAT INCLUDE THE ELDERLY...SMALL CHILDREN... THOSE IN POOR HEALTH...AND ANYONE WHO WORKS OR PLAYS OUTDOORS FOR LONG PERIODS OF TIME. LIMIT OUTSIDE ACTIVITIES AND DRINK PLENTY OF FUILDS. ...ADDITIONAL INFORMATION... 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 ...CORRECTED TIME AND EXPIRATION TIME... NICOSIA
Special weather statement, Aug 16, 11:12 AM EDT, 2 hours 31 minutes before
PAZ004>006-010>012-017>019-037-041-042-045-046-049>053-162110- SPECIAL WEATHER STATEMENT- SEVERE THUNDERSTORMS WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 1112 AM EDT SAT AUG 16 1997 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 PM FOR THE NORTHERN HALF OF CENTRAL PENNSYLVANIA...INCLUDING THE MIDDLE SUSQUEHANNA VALLEY. THE COUNTIES INCLUDED IN THE WATCH ARE: WARREN... MCKEAN... ELK... CLINTON... TIOGA... NORTHUMBERLAND... CAMERON... LYCOMING... UNION... CENTRE... POTTER... SNYDER... CLEARFIELD... SULLIVAN... MONTOUR AND COLUMBIA. WARM HUMID AIR ACROSS THE REGION HAS MADE CONDITIONS FAVORABLE FOR SEVERE THUNDERSTORMS ACROSS NORTHERN PENNSYLVANIA THIS AFTERNOON. STRONG TO SEVERE THUNDERSTORMS OVER OHIO LATE THIS MORNING WILL CONTINUE TO MOVE EASTWARD...AND MAY PRODUCE ADDITIONAL SEVERE WEATHER AS THEY MOVE ACROSS THE NORTEHRN HALF OF PENNSYLVANIA. A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. SEVERE THUNDERSTORMS ARE A POSSIBILITY... NOT A CERTAINTY. A SEVERE THUNDERSTORM PRODUCES WINDS OF 58 MPH OR GREATER AND/OR HAIL 3/4 INCH OR LARGER. JUNG
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, 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, 3:58 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 62 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.