Alert archive / Pennsylvania / Flash Flood Warnings in 1998
Flash Flood Warning 92, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jun 23, 1998, 8:11 PM EDT for York 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 23, 1998, 8:11 PM EDT (00:11 UTC)
- Expired
- Jun 23, 1998, 11:10 PM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County York County, PA
The radar
The Sterling radar (KLWX), 124 km from the middle of the area, began a volume at 00:14 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, 0.2 hours before the alert went out and 122 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 240013 FFWCTP PAC133-240310- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 811 PM EDT TUE JUN 23 1998 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS EXTENDED THE * FLASH FLOOD WARNING FOR... YORK COUNTY IN SOUTH CENTRAL PENNSYLVANIA * UNTIL 1110 PM EDT * AT 805 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN CLUSTERED OVER THE SOUTHWESTERN PART OF THE COUNTY...MOVING SLOWLY EAST. * EMERGENCY MANAGEMENT OFFICIALS REPORT NUMEROUS RESCUES IN PROGRESS. SEVERAL ROADS ARE CLOSED BETWEEN SPRING GROVE AND HANOVER. 3 FEET OF WATER WAS REPORTED OVER PARTS OF RTE 116 IN THE VICINITY OF HANOVER. DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. 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 23, 2:20 PM EDT, 5 hours 51 minutes earlier.
Area forecast discussion, Jun 23, 2:20 PM EDT, 5 hours 51 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 220 PM EDT TUE JUN 23 1998 ...DISCUSSION... S/WV...MOVING THRU OHIO EARLY THIS AFTN...IS PROGGED TO PASS EAST OF PA LATE THIS EVENING WITH A NORTHERLY LL FLOW OF DRIER AIR TO FOLLOW. WILL KEEP CHC POPS IN FCST THIS EVENING WITH HIGHEST POPS IN THE E. ALSO WILL MENTION FOG IN MOST ZONES AS CLRING SKIES DEVELOP LATE. RISING HEIGHTS COMBINED W/LL DRYING WILL RESULT IN A LULL IN THE SHWERS/TSRA OVERNIGHT AND WED. WEDNESDAY...RISING HEIGHTS COMBINED W/LL DRYING WILL RESULT IN A LULL IN THE SHWERS/TSRA OVER MOST OF CWA. SFC CDFRT AND ASSOCIATED DRYING PROGGED TO MAKE IT TO LOWER SUSQ VALL...THEN STALL. WILL THEREFORE MENTION POPS FOR AFTN TSRA ONLY ACROSS THE S TIER. OVER N PA...SFC DWPTS PROGGED TO FALL INTO THE LOW 60S. FEEL MOSTLY SUNNY SHOULD DO IT IN THIS REGION...SIMILAR TO THE WX OVER MICHIGAN TODAY. HIGHS WILL BE RATHER UNIFORM ACROSS C PA DUE TO AN EAST-WEST 8H TEMP GRADIENT MITIGATING THE NORMAL RANGE BETWEEN MOUNTAINS AND SUSQ VALL. WEDNESDAY NIGHT...WARM FRT LIFTING TO OUR N AND W WILL LIKELY PRODUCE CONVECTION AT NOSE OF LL JET OVER E GRT LKS. HAVE ADDED AN INCREASE IN CLDS WED NITE AS BLOW OFF FM THIS ACTIVITY WUD TRACK SE INTO PA. THURSDAY...WARM FRT FINALLY MOVES BACK THRU PA...RESULTING IN PARTLY SUNNY...WARM AND INCREASINGLY HUMID WX WITH CHC OF A TSRA. FITZGERALD
In the hours before
Local storm report, Jun 23, 3:30 PM EDT, 4 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PENNSYLVANIA
330 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 2SE RIDGWAY PA WIND DAMAGE
06/23/98 ELK TREES DOWN ON ROUTE 948.
OSTUNOLocal storm report, Jun 23, 3:30 PM EDT, 4 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PENNSYLVANIA
330 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 2SE RIDGWAY PA WIND DAMAGE
06/23/98 ELK TREES DOWN ON ROUTE 948.
OSTUNOLocal storm report, Jun 23, 6:30 PM EDT, 1 hour 41 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, 1 hour 41 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, 21 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, 21 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, 9:38 PM EDT | Flash Flood Warning | CTP | Dauphin | 2 hr |
| Jun 23, 9:48 PM EDT | Flash Flood Warning | CTP | Lebanon | 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.