Alert archive / Pennsylvania / Flash Flood Warnings in 1996
Flash Flood Warning 101, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jun 24, 1996, 7:59 PM EDT for Lebanon County, Pennsylvania. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 24, 1996, 7:59 PM EDT (23:59 UTC)
- Expired
- Jun 24, 1996, 11:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Lebanon County, PA
The radar
The State College radar (KCCX), 144 km from the middle of the area, began a volume at 00:00 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 12.0 hours before the alert went out and 177 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1076 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 250000 FFWCTP PAC075-250300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 759 PM EDT MON JUN 24 1996 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1100 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN PENNSYLVANIA ...LEBANON COUNTY AT 755 PM STATE COLLEGE DOPPLER RADAR SHOWED A CLUSTER OF SLOW MOVING THUNDERSTORMS MOVING THROUGH NORTHERN LEBANON COUNTY. RAINFALL ESTIMATES FROM RADAR ARE AROUND 2 INCHES IN THE LAST HOUR. FLOODING OF POOR DRAINAGE AREAS CAN BE EXPECTED AS THESE STORMS MOVELY THROUGH. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT'S IMPORTANT TO KNOW WHBERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. LA CORTE &
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 Jun 24, 1:55 PM EDT, 6 hours 4 minutes earlier.
Area forecast discussion, Jun 24, 1:55 PM EDT, 6 hours 4 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 200 PM EDT MON JUN 24 1996 ...SVR TSTM WATCH MOST OF CNTRL PA THIS AFTN/EVE FLASH FLOOD WATCH CONTINUES... MODELS SHOW TONGUE WARM MOIST UNSTABLE AIR OVER REGION THRU 7 PM TONIGHT. A LOW LEVEL WARM FRONT IS SLOWLY MVG NEWD ACROSS PA THIS AFTN. THE REMANENT CONVECTION FROM OVERNIGHT HAS REFIRED OVER SERN PA WITH SOME SUPERCELL LOOKING CELLS OVER ADAMS WHICH WAS MOVING INTO NRN MARYLAND. SATELLITE IMAGERY HAS SHOWN WHAT APPEARS TO BE A BACK BUILDING LINE MOVING ACROSS PA THIS AM INTO EARLY AFTN. BACK BUILDING LINES TYPICALLY PRODUCE SEVERE WEATHER AND FORM IN ENVIRONMENTS SIMILAR TO THOSE WHICH PRODUCE SUPERCELLS. FORTUNATELY...THE MOST ACTIVE PART OF THE BACK BUILDING LINE IS PRESENTLY MOVING OVER NRN MARYLAND. HOWEVER...A COLD FRONT AND A TONGUE OF WARM MOIST AIR WILL MOVE OVER THE STATE. ANOTHER LINE WILL LIKELY FORM AND MOVE WEST TO EAST ACROSS THE STATE. MOISTURE...CONV...AND LL AGEO WINDS/CONV OF...SUGGEST MOST SVRE TSTMS WILL FORM THIS AFTN. LOOKS LIKE BEST CHC WILL BE OVER SRN PORTIONS OF STATE. EXTREMELY HIGH DEW POINT AIR MVG IN BEHIND WARM FRONT SUGGEST THAT TORRENTIAL RAINFALL IS POSSIBLE. COLD FRONT AND DRIER AIR WILL MOVE OVER THE STATE EARLY TONIGHT. MODELS SHOW INC IN WRLY FLOW AND SHARP DEC IN RH BY 00 UTC OVER WRN SECTIONS. BY MIDNIGHT VSBY SHOULD BE QUITE GOOD OVER WRN THIRD OF STATE AND IMPROVING OVER CNTRL. ANY FOG BEHIND TSTMS ACTIVITY IN ERN SECTIONS WILL DISSIPATE OVERNIGHT...FOG SHOULD GONE BE WELL BEFORE SUNRISE IN MOST LOCATIONS. SHOULD BE A NICE START TO TUES AS COOLER DRIER AIR MOVES OVER REGION. MOS SHUD BE CLOSE TO MAX TEMPS TUES. GRUMM
In the hours before
Local storm report, Jun 24, 2:06 PM EDT, 5 hours 53 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
205 PM EDT MON JUN 24 1996
TIME EDT ...CITY LOCATION..........ST ...EVENT/REMARKS
...COUNTY LOCATION........
0145 PM 5 S. GETTYSBURG PA WIND DAMAGE
06/24/96 ADAMS CHIMNEY BLOWN OVER
TREES DOWN TOP OF
SILO BLOWN OFF
DUNHAMLocal storm report, Jun 24, 3:45 PM EDT, 4 hours 14 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
345 PM EDT MON JUN 24 1996
TIME EDT ...CITY LOCATION..........ST ...EVENT/REMARKS
...COUNTY LOCATION........
0335 PM JOHNSTOWN PA WIND DAMAGE
06/24/96 CAMBRIA LARGE LIMBS DOWN
WINDS TO 60 MPH.
DUNHAMSpecial weather statement, Jun 24, 4:10 PM EDT, 3 hours 49 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046- 049>053-056-057-059-063>066-250100- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 405 PM EDT MON JUN 24 1996 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH EFFECTIVE UNTIL 900 PM FOR MOST OF CENTRAL AND WESTERN PENNSYLVANIA AS WELL AS THE MIDDLE SUSQUEHANNA VALLEY... ...A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT UNTIL 700 PM FOR THE LOWER SUSQUEHANNA VALLEY... THE WATCH INCLUDES THE FOLLOWING COUNTIES IN CENTRAL PENNSYLVANIA UNTIL 900 PM: ACROSS THE NORTHERN MOUNTAINS... WARREN... MCKEAN... POTTER... ELK AND CAMERON. ACROSS THE CENTRAL MOUNTAINS AND LAUREL HIGHLANDS... CLEARFIELD... CENTRE... CLINTON....CAMBRIA AND SOMERSET. ACROSS THE SOUTH CENTRAL MOUNTAINS... BEDFORD... BLAIR... FULTON... FRANKLIN... HUNTINGDON... MIFFLIN AND JUNIATA. ACROSS THE MIDDLE SUSQUEHANNA VALLEY... TIOGA... LYCOMING... SULLIVAN... UNION... SNYDER... MONTOUR... NORTHUMBERLAND AND COLUMBIA. THE WATCH INCLUDES THE FOLLOWING COUNTIES OF THE LOWER SUSQUEHANNA VALLEY UNTIL 700 PM: PERRY... CUMBERLAND... DAUPHIN... LEBANON... ADAMS... YORK AND LANCASTER. A SLOW MOVING COLD FRONT WILL TRIGGER SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING. SOME OF THE THUNDERSTORMS COULD PRODUCE STRONG DAMAGING WINDS... LARGE HAIL AND DANGEROUS LIGHTNING. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA. A WARNING ON THE OTHER HAND MEANS SEVERE WEATHER IS OCCURRING OR IMMINENT. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST UPDATES...AND POSSIBLE WARNINGS. JUNG
Special weather statement, Jun 24, 6:02 PM EDT, 1 hour 57 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046- 049>053-056-057-059-063>066-250100- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE STATE COLLEGE PA 600 PM EDT MON JUN 24 1996 ...THE NATIONAL WEATHER SERVICE HAS CANCELED THE SEVERE THUNDERSTORM WATCH FOR MOST OF CENTRAL AND WESTERN PENNSYLVANIA... THE WATCH HAS BEEN CANCELED FOR THE FOLLOWING COUNTIES: WARREN... MCKEAN... POTTER... ELK... CAMERON... CLEARFIELD... CENTRE... CLINTON....CAMBRIA... SOMERSET... BEDFORD... BLAIR... FULTON... FRANKLIN... HUNTINGDON... MIFFLIN AND JUNIATA. ...A SEVERE THUNDERSTORMS WATCH REMAINS IN EFFECT UNTIL 900 PM FOR THE MIDDLE SUSQUEHANNA VALLEY... THIS INCLUDES THE FOLLOWING COUNTIES: TIOGA... LYCOMING... SULLIVAN... UNION... SNYDER... MONTOUR... NORTHUMBERLAND AND COLUMBIA. ...A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 700 PM FOR THE LOWER SUSQUEHANNA VALLEY... THIS INCLUDES THE FOLLOWING COUNTIES: PERRY... CUMBERLAND... DAUPHIN... LEBANON... ADAMS... YORK AND LANCASTER. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA. A WARNING ON THE OTHER HAND MEANS SEVERE WEATHER IS OCCURRING OR IMMINENT. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST UPDATES...AND POSSIBLE WARNINGS. JUNG
Special weather statement, Jun 24, 7:36 PM EDT, 23 minutes before
PAZ037-041-042-046-049>053-056>059-063>066-250200- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH CANCELED NATIONAL WEATHER SERVICE STATE COLLEGE PA 728 PM EDT MON JUN 24 1996 ...THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELED FOR THE MIDDLE AND LOWER SUSQUEHANNA VALLEY... THUNDERSTORMS AND SHOWERS WILL CONTINUE TO WEAKEN AS THEY MOVE EAST OUT OF THE SUSQUEHANNA VALLEY REGION OF PENNSYLVANIA... ENDING THE THREAT FOR ADDITIONAL SEVERE WEAT"HER. JUNG
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 12:12 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 63 min |
| Jun 24, 12:12 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 63 min |
| Jun 24, 12:27 PM EDT | Flash Flood Warning | CTP | Bedford | 93 min |
| Jun 24, 12:27 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 93 min |
| Jun 24, 12:36 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 69 min |
| Jun 24, 3:05 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 70 min |
| Jun 24, 3:25 PM EDT | Tornado Warning | CTP | Cambria | 50 min |
| Jun 24, 3:50 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair | 70 min |
| Jun 24, 3:54 PM EDT | Flash Flood Warning | CTP | Bedford, Blair, Cambria, Somerset | 4 hr |
| Jun 24, 4:14 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 61 min |
| Jun 24, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Fulton, Huntingdon | 60 min |
| Jun 24, 5:08 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 67 min |
| Jun 24, 5:27 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland | 63 min |
| Jun 24, 5:54 PM EDT | Severe Thunderstorm Warning | CTP | York | 66 min |
| Jun 24, 6:46 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Perry | 59 min |
Nearby
Flash Flood Warnings in Pennsylvania, 1996Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.