Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 183, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 17, 1995, 3:55 PM EDT for Bedford County, Pennsylvania. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1995, 3:55 PM EDT (19:55 UTC)
- Expired
- Jul 17, 1995, 6:00 PM EDT
- In force
- 2 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Bedford County, PA
The radar
The State College radar (KCCX), 110 km from the middle of the area, began a volume at 19:56 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
Pittsburgh, PA (KPIT), launched 12:00Z, 7.9 hours before the alert went out and 144 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
- 1129 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 696 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 171956 SVRCTP PAC009-172200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 355 PM EDT MON JUL 17 1995 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN PENNSYLVANIA ...BEDFORD COUNTY AT 4 PM DOPPLER RADAR SHOWED A LINE OF THUNDERSTORMS OVER BEDFORD COUNTY EXTENDING FROM NEAR WATERSIDE SOUTHWEST TO BUFFALO MILLS. THE LINE IS MOVING SLOWLY TO EASTWARD AND WILL AFFECT THE AREA FROM BREEZEWOOD TO CENTERVILLE AROUND 5 PM. THE STORMS ALONG THIS LINE MAY PRODUCE STRONG WINDS, HAIL, AND LOCALLY HEAVY RAINFALL. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. GRUMM/LACORTE
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 Jul 17, 9:45 AM EDT, 6 hours 10 minutes earlier.
Area forecast discussion, Jul 17, 9:45 AM EDT, 6 hours 10 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 945 AM EDT MON JUL 17 1995 LOOKS LIKE ANOTHER POTENTIALLY SEVERE DAY ACROSS THE REGION. TD'S IN THE LOW TO MID 70S ACROSS OHIO WHERE SUN IS BEGINNING TO COOK THE GROUND AS THIS IS BEING TYPED. SEVERAL LOW LEVEL BOUNDARIES IN WARM SECTOR TO ACT AS FOCUSSING MECHANISMS. SEVERE CHECKLIST HAS 16 OF 20 YES'S. MAIN NO'S ARE FOR WINDS AND WEAK PVA. WE ARE NOT IN THE BEST QUADS OF UPPER JET BUT STRONG LOW LEVEL FORCING AND INSTABILITY SHUD BE ABLE TO OVERCOME THIS. MOISTURE CONVG ASSOC WITH LOW LEVEL TROF/FRONT WILL MOVE ACROSS AT MAX HEATING TO AID IN ORGANIZATION. SATELLITE SHOWS DYING MCS SLIDING EAST ACROSS THE AREA NOW. NOT MUCH IN THE WAY OF RESIDUAL CLOUDINESS SEEMS TO BE UPSTREAM. LOOKING AT PIT AND DAY SOUNDINGS SHOWS LI'S ALREADY WELL BELOW ZERO WITH WEAK CAPS. PIT WAS LIKELY IN CONVECTION AT RELEASE TIME SO DAY MAY BE MORE REPRESENTATIVE. A SMALL AMOUNT OF COOKING OF SFC TEMPS YIELDS LI'S TO -8 OR SO WITH CAPES OVER 3000. AFTER NOISY AFTERNOON UPPER HGHTS STILL FALLING THROUGH TOMORROW SPELLING EVENTUAL RELIEF...BUT LINGERING INSTABILITY AND SFC FRONT/ TROF COULD LIGHT UP ERN PARTS OF THE A REA AGAIN TOM. FEEL WRN ZONES WILL NOT SEE MUCH AS DRY STABLE AIR ADVECTS IN. SFC BASED CROSS TOTALS AND K INDICES TAKE A DIVE DURING TOM PM. LA CORTE
In the hours before
Special weather statement, Jul 17, 11:05 AM EDT, 4 hours 50 minutes before
PAZ004>006-010>012-017>019-024>028-033>036-037-041-042-045-046- 049>053-056>059-063>066-160600- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM POTENTIAL OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 1105 AM EDT MON JUL 17 1995 THE NATIONAL SEVERE STORMS FORECAST CENTER SAYS THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS OUR CENTRAL PENNSYLVANIA REGION LATER THIS AFTERNOON AND TONIGHT...AND SKYWARN SPOTTER NETWORKS MAY NEED TO BE ACTIVATED LATE IN THE DAY. A COLD FRONT OVER THE OHIO VALLEY WILL TRIGGER THUNDERSTORMS THIS AFTERNOON WHICH WILL MOVE ACROSS THE STATE LATER TODAY AND THIS EVENING. VERY WARM HUMID AIR IN PLACE OVER THE REGION WILL PROVIDE THE FUEL FOR STRONG TO POTENTIALLY SEVERE THUNDERSTORMS ...AS WELL LOCALLY TORRENTIAL DOWNPOURS AS THESE STORMS MOVE ACROSS. PERSONS PLANNING OUTDOOR ACTIVITIES SHOULD STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV AND RADIO BROADCASTS FOR UPDATED FORECASTS AND STATEMENTPS. LA CORTE
Special weather statement, Jul 17, 1:26 PM EDT, 2 hours 29 minutes before
PAZ004-005-010-011-017-024-033-180000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 126 PM EDT MON JUL 17 1995 ...SEVERE THUNDERSTORM WATCH... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH VALID UNTIL 8PM EDT FORMUCH OF WESTERN PENNSYLVANIA TO INCLUDE THE FOLLOWING COUNTIES...WARREN MC KEAN ELK CAMERON CLEARFIELD CAMBRIA AND SOMERSET. A COLD FRONT IN OHIO WILL MOVE EAST TOWARD THE REGION. WARM HUMID AND UNSTABLE AIR OUT AHEAD OF THE FRONT WILL BE THE BREEDING GROUND FOR SHOWERS AND THUNDERSTORMS...SOME OF WHICH HAVE THE POTENTIAL TO BECOME LOCALLY SEVERE. LA CORTE END WWUS35KPUB 0
Special weather statement, Jul 17, 1:28 PM EDT, 2 hours 27 minutes before
PAZ004-005-010-011-017-024-033-180000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 126 PM EDT MON JUL 17 1995 ...SEVERE THUNDERSTROM WATCH... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH VALID UNTIL 8PM EDT FORMUCH OF WESTERN PENNSYLVANIA TO INCLUDE THE FOLLOWING COUNTIES...WARREN MC KEAN ELK CAMERON CLEARFIELD CAMBRIA AND SOMERSET. A COLD FRONT IN OHIO WILL MOVE EAST TOWARD THE REGION. WARM HUMID AND UNSTABLE AIR OUT AHEAD OF THE FRONT WILL BE THE BREEDING GROUND FOR SHOWERS AND THUNDERSTORMS...SOME OF WHICH HAVE THE POTENTIAL TO BECOME LOCALLY SEVERE. LA CORTE END
Special weather statement, Jul 17, 1:29 PM EDT, 2 hours 26 minutes before
PAZ004-005-010-011-017-024-033-180000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 126 PM EDT MON JUL 17 1995 ...SEVERE THUNDERSTORM WATCH... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH VALID UNTIL 8PM EDT FORMUCH OF WESTERN PENNSYLVANIA TO INCLUDE THE FOLLOWING COUNTIES...WARREN MC KEAN ELK CAMERON CLEARFIELD CAMBRIA AND SOMERSET. A COLD FRONT IN OHIO WILL MOVE EAST TOWARD THE REGION. WARM HUMID AND UNSTABLE AIR OUT AHEAD OF THE FRONT WILL BE THE BREEDING GROUND FOR SHOWERS AND THUNDERSTORMS...SOME OF WHICH HAVE THE POTENTIAL TO BECOME LOCALLY SEVERE. LA CORTE END
Special weather statement, Jul 17, 3:54 PM EDT, 1 minute before
PAZ004>006-010>012-017-018-019-024-025>028-033-034>037-041-042-045- 046-049>053-056>059-063>066-170200- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 354 PM EDT MON JUL 17 1995 THE NATIONAL SEVERE STRORMS FORECAST CENTER IN KANSAS CITY HAS ISSUED A SEVERE THUNDERSTORM WATCH EFFECTIVE UNTIL 1000 PM FOR THE FOLLOWING COUNTIES IN CENTRAL AND EASTERN PENNSYLVANIA: BEDFORD... FULTON... FRANKLIN... BLAIR... CENTRE... CLINTON... HUNTINGDON... MIFFLIN... SNYDER... UNION... ADAMS... CUMBERLAND... DAUPHIN... JUNIATA... LANCASTER... LEBANON... PERRY... SCHUYLKILL... SNYDER... YORK... LYCOMING... MONTOUR... COLUMBIA... POTTER... SULLIVAN... TIOGA... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM FOR SOMERSET... CAMBRIA... CLEARFIELD... ELK... CAMERON... WARREN AND MCKEAN COUNTIES. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND NEAR THE WATCH AREA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MPH... DEADLY LIGHTNING AND LARGH HAIL. A SEVERE THUNDERSTORM WARNING ON THE OTHERHAND MEANS THAT SEVERE THUNDERSTORMS ARE ALREADY OCCURRING. KEEP A WEATHER EYE TO THE SKY AND LISTEN FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. JUNG END WUUS01KPIT 0
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 11:10 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 80 min |
| Jul 17, 3:04 PM EDT | Flash Flood Warning | CTP | Somerset | 3 hr |
| Jul 17, 3:04 PM EDT | Flash Flood Warning | CTP | Bedford | 6 hr |
| Jul 17, 3:18 PM EDT | Flash Flood Warning | CTP | Cambria | 6 hr |
| Jul 17, 4:19 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 56 min |
| Jul 17, 4:42 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 63 min |
| Jul 17, 6:51 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 69 min |
| Jul 17, 7:44 PM EDT | Flash Flood Warning | CTP | Potter | 3 hr |
| Jul 17, 7:56 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 94 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1995Every severe thunderstorm warning in 1995
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.