Alert archive / Pennsylvania / Flash Flood Warnings in 1995
Flash Flood Warning 56, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 18, 1995, 6:02 AM EDT for Lancaster County, Pennsylvania. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1995, 6:02 AM EDT (10:02 UTC)
- Expired
- Jul 18, 1995, 12:00 PM EDT
- In force
- 6 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, 10.0 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 18, 1:50 AM EDT, 4 hours 12 minutes earlier.
Area forecast discussion, Jul 18, 1:50 AM EDT, 4 hours 12 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 150 AM EDT TUE JUL 18 1995 A FEW STORMS AND SHOWERS TO THE WEST...ALONG WITH LOTS OF AP. MAIN FRONT WELL TO THE WEST...WEST OF CLE. EXPECT FRONT TO SLOWLY WORK ACROSS REGION THIS AFTERNOON. THINK THAT NOW FLOW IS MORE WESTERLY...SHOWERS AND THUNDERSTORMS WILL BE LIMITED. A COUPLE HERE AND THERE ARE STILL PSBL TODAY. TEMPS STILL ON THE MILD SIDE...THUS MOST AREAS WILL GET INTO THE 80S TODAY. NOT A BAD DAY WED...THINK CLDS WITH UA SYSTEM WILL STAY NORTH OF PA...AS MAIN TROUGH STAYS NORTH OF US. COULD BE SOME HI CLDS LATE...AS NO REAL GOOD HI WORKS IN...AND MORE VORT MAXES IN WESTERLIES HEAD EAST. WHAT ELSE IS NEW THIS SEASON. GIVE ME A A FAT HI PRES SYSTEM. TEMPS NEAR NORMAL FOR WED. MARTIN
In the hours before
Special weather statement, Jul 18, 3:54 AM EDT, 2 hours 8 minutes before
PAZ004>006-010>012-017>019-024>028-033>036-037-041-042-045-046- 049>053-056>059-063>066-182300- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM POTENTIAL OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 400 AM EDT TUE JUL 18 1995 THE NATIONAL SEVERE STORMS FORECAST CENTER SAYS THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF CENTRAL PENNSYLVANIA TODAY. THERE IS A MODERATE RISK OF SEVERE WEATHER FOR PORTIONS OF THE LOWER SUSQUEHANNA VALLEY EAST OF HARRISBURG. THE SLIGHT RISK AREA IS MAINLY EAST OF A MANSFIELD...STATE COLLEGE...SOMERSET LINE. SKYWARN SPOTTER NETWORKS MAY NEED TO BE ACTIVATED LATER TODAY. A COLD FRONT OVER EASTERN LAKE ERIE WILL MOVE ACROSS THE STATE TODAY...WHICH MAY TRIGGER MORE SEVERE WEATHER...ESPECIALLY ACROSS EASTERN SECTIONS OF THE STATE. MARTIN
Special weather statement, Jul 18, 4:00 AM EDT, 2 hours 2 minutes before
PAZ004>006-010>012-017>019-024>028-033>036-037-041-042-045-046- 049>053-056>059-063>066-182300- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM POTENTIAL OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 400 AM EDT TUE JUL 18 1995 THE NATIONAL SEVERE STORMS FORECAST CENTER SAYS THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF CENTRAL PENNSYLVANIA TODAY. THERE IS A MODERATE RISK OF SEVERE WEATHER FOR PORTIONS OF THE LOWER SUSQUEHANNA VALLEY EAST OF HARRISBURG. THE SLIGHT RISK AREA IS MAINLY EAST OF A MANSFIELD...STATE COLLEGE...SOMERSET LINE. SKYWARN SPOTTER NETWORKS MAY NEED TO BE ACTIVATED LATER TODAY. A COLD FRONT OVER EASTERN LAKE ERIE WILL MOVE ACROSS THE STATE TODAY...WHICH MAY TRIGGER MORE SEVERE WEATHER...ESPECIALLY ACROSS EASTERN SECTIONS OF THE STATE. MARTIN
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 8:03 PM EDT | Flash Flood Warning | CTP | Lancaster | 16 hr |
| 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 |
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.