Alert archive / Pennsylvania / Flash Flood Warnings in 1998
Flash Flood Warning 94, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jun 23, 1998, 9:48 PM EDT for Lebanon County, Pennsylvania. It was in force for 2 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 23, 1998, 9:48 PM EDT (01:48 UTC)
- Expired
- Jun 23, 1998, 11:50 PM EDT
- In force
- 2 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 01:51 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 00:00Z, 1.8 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
- 1643 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 21 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 240150 FFWCTP PAC075-240350- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 948 PM EDT TUE JUN 23 1998 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A * FLASH FLOOD WARNING FOR... LEBANON COUNTY IN EAST CENTRAL PENNSYLVANIA * UNTIL 1150 PM EDT * AT 945 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAINS FALLING FROM NEAR LEBANON TO PALMYRA...WITH THE RAIN QUICKLY WINDING DOWN FROM WEST TO EAST. * EMERGENCY MANAGEMENT OFFICIALS REPORTS NUMEROUS ROADS CLOSED DUE TO HIGH WATER. THE RAIN WILL TAPER OFF BEFORE MIDNIGHT...BUT RUNOFF FROM THE HEAVY RAIN WILL CONTINUE TO CAUSE PROBLEMS FOR SEVERAL HOURS. DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. LA CORTE/OSTUNO
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 23, 9:10 PM EDT, 38 minutes earlier.
Area forecast discussion, Jun 23, 9:10 PM EDT, 38 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 905 PM PM EDT TUE JUN 23 1998 SORRY...NO WRK ZFP TONITE. WE ARE STILL MOPPING UP THIS LATEST EVENT. ...DISCUSSION... BACK EDGE OF LATEST ROUND OF SHRA/TSRA IS MOVG E ABT 20KTS. THIS IS GOOD NEWS FOR SW YORK COUNTY. THE HEAVIEST RAIN CELL HAS BEEN CENTERED OVER SW YORK COUNTY. KCCX SHOWS THE +TSRA OVR SW YORK STATIONARY WHILE EVERY THING ELSE MOVES THROUGH IT AND AROUND IT. EVEN NOW IN ITS WEAKENING STAGE IT CONTINUES TO MARK TIME. CAPE HAS COOLED CONSIDERABLY IN THE RAIN. IT STARTED OFF AT ALMOST 4000J OVER THE SC MTNS JUST AHEAD OF THE VORT CENTER AND HAS NOW COOLED TO NEAR 0J. THERE MAY BE A CELL MERGER OVER SCHUYLKILL COUNTY DURG THE NEXT HOUR AS A NORTHWARD MOVG CELL COLLIDES WITH ONE MOVG E ACRS THE RIVER. THERE ARE A FEW MORE CELLS DEVELOPING IN THE NW FLOW BEHIND THE VORT CENTER BUT THEY ARE OF THE POPCORN VARIETY AND WITHOUT ANY CAPE SHOULD DISSIPATE DURG THE NEXT FEW HOURS. WOULD LEAVE POPS OUT OF OVERNIGHT ZFP IN PITS AREA. WILL NEED TO LEAVE POPS IN OVER LOWER SUSQ AND SCHUYLKILL COUNTY AS ACTIVITY PROB WILL NOT BE OUT OF THERE BY ZFP ISSUE TIME. SKIES CLEAR BEHIND THIS VORT CENTER AND WITH LIGHT WINDS IDEAL CONDITIONS SET UP FOR VALLEY FOG. X-SECTION PROCEDURE I WROTE ON AWIPS BASED ON THE ETA SHOWS A LOW CLD DECK LINGERING OVER MDT UNTIL 18Z WED. THIS WILL HOLD TEMPS DOWN WITH MAXES COMING LATE IN THE DAY. I WOULD REWORD THE ENTIRE SUSQ VALLEY ZFPS TO READ...MORNING LOW CLDS AND FOG GIVING WAY TO AFTN SUN. TEMPS MAY NEED TO BE LOWERED ONE CATEGORY ON AM PACKAGE FOR SUSQ VAL IF IT APPRS LOW DECK WILL HANG TUF PAST NOON. OTHW ZFP LOOKS GOOD. HEAD
In the hours before
Local storm report, Jun 23, 6:30 PM EDT, 3 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PENNSYLVANIA
630 PM EDT TUE JUN 23 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0300 PM BOOT JACK PA WIND DAMAGE
06/23/98 ELK TREES DOWN ON WIRES.
0300 PM RIDGWAY PA WIND DAMAGE
06/23/98 ELK TREES DOWN ON ROUTE 948.
0600 PM MILESBURG PA WIND DAMAGE
06/23/98 CENTRE TREE DOWN.
OSTUNOLocal storm report, Jun 23, 6:30 PM EDT, 3 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PENNSYLVANIA
630 PM EDT TUE JUN 23 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0300 PM BOOT JACK PA WIND DAMAGE
06/23/98 ELK TREES DOWN ON WIRES.
0300 PM RIDGWAY PA WIND DAMAGE
06/23/98 ELK TREES DOWN ON ROUTE 948.
0600 PM MILESBURG PA WIND DAMAGE
06/23/98 CENTRE TREE DOWN.
OSTUNOLocal storm report, Jun 23, 7:50 PM EDT, 1 hour 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PENNSYLVANIA
750 PM EDT TUE JUN 23 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0300 PM BOOT JACK PA WIND DAMAGE
06/23/98 ELK TREES DOWN ON WIRES.
0300 PM RIDGWAY PA WIND DAMAGE
06/23/98 ELK TREES DOWN ON ROUTE 948.
0405 PM PORT ALLEGANY PA .88 INCH HAIL
06/23/98 MCKEAN NICKEL-SIZED HAIL
0415 PM PORT ALLEGANY PA WIND DAMAGE
06/23/98 MCKEAN TREES DOWN.
0600 PM MILESBURG PA WIND DAMAGE
06/23/98 CENTRE TREE DOWN.
OSTUNOLocal storm report, Jun 23, 7:50 PM EDT, 1 hour 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PENNSYLVANIA
750 PM EDT TUE JUN 23 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0300 PM BOOT JACK PA WIND DAMAGE
06/23/98 ELK TREES DOWN ON WIRES.
0300 PM RIDGWAY PA WIND DAMAGE
06/23/98 ELK TREES DOWN ON ROUTE 948.
0405 PM PORT ALLEGANY PA .88 INCH HAIL
06/23/98 MCKEAN NICKEL-SIZED HAIL
0415 PM PORT ALLEGANY PA WIND DAMAGE
06/23/98 MCKEAN TREES DOWN.
0600 PM MILESBURG PA WIND DAMAGE
06/23/98 CENTRE TREE DOWN.
OSTUNOThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 8:11 PM EDT | Flash Flood Warning | CTP | York | 3 hr |
| Jun 23, 9:38 PM EDT | Flash Flood Warning | CTP | Dauphin | 2 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1998Every flash flood warning in 1998
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.