Alert archive / Pennsylvania / Flash Flood Warnings in 1995
Flash Flood Warning 53, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 17, 1995, 8:03 PM EDT for Lancaster County, Pennsylvania. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1995, 8:03 PM EDT (00:03 UTC)
- Expired
- Jul 18, 1995, 12:00 PM EDT
- In force
- 16 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Lancaster County, PA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 0.1 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
- 3137 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 976 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 24 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 flash flood 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 flash flood warning went out at Jul 17, 9:45 AM EDT, 10 hours 18 minutes earlier.
Area forecast discussion, Jul 17, 9:45 AM EDT, 10 hours 18 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, 3:54 PM EDT, 4 hours 9 minutes 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
Special weather statement, Jul 17, 4:06 PM EDT, 3 hours 57 minutes 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
Special weather statement, Jul 17, 6:30 PM EDT, 1 hour 33 minutes before
PAC009-013-021-023-027-033-035-047-055-057-061-067-083-087-105- 111-123-172330- SPECIAL WEATx/HUNTINGDON... BLAIR... BEDFORD... FULTON... AND FRANKLIN COUNTIES. THE SEVERE THUNDERSTORMS WHICH MOVED THROUGH PORTIONS OF THE REGION THIS AFTERNOON HAVE MOVED EAST OF THE REGION. THERE COULD BE A PASSING SHOWER OR THUNDERSTORM OVER THE REGION EARLY TONIGHT. GRUMM/MICHAUD WWUS35KCRW 0
Special weather statement, Jul 17, 6:30 PM EDT, 1 hour 33 minutes before
PAC009-013-021-023-027-033-035-047-055-057-061-067-083-087-105- 111-123-172330- SPECIAL WEATx/HUNTINGDON... BLAIR... BEDFORD... FULTON... AND FRANKLIN COUNTIES. THE SEVERE THUNDERSTORMS WHICH MOVED THROUGH PORTIONS OF THE REGION THIS AFTERNOON HAVE MOVED EAST OF THE REGION. THERE COULD BE A PASSING SHOWER OR THUNDERSTORM OVER THE REGION EARLY TONIGHT. GRUMM/MICHAUD WWUS35KCRW 0
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 8:26 PM EDT | Flash Flood Warning | CTP | York | 3 hr |
| Jul 18, 1:56 AM EDT | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Jul 18, 6:02 AM EDT | Flash Flood Warning | CTP | Lancaster | 6 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1995Every flash flood 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.