Alert archive / Pennsylvania / Flash Flood Warnings in 1998
Flash Flood Warning 10, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jan 8, 1998, 10:35 AM EST for Cumberland County, Franklin County, Perry County, Pennsylvania. It was in force for 4 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
- Jan 8, 1998, 10:35 AM EST (15:35 UTC)
- Expired
- Jan 8, 1998, 2:35 PM EST
- In force
- 4 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Cumberland County, PA, Franklin County, PA, Perry County, PA
The radar
The State College radar (KCCX), 98 km from the middle of the area, began a volume at 15:34 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, 3.6 hours before the alert went out and 135 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
- 54 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 642 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 333 m²/s²
- 0-3 km storm-relative helicity
- 438 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 081536 FFWCTP PAC041-055-099-081935- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 1035 AM EST THU JAN 8 1998 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLOOD WARNING FOR FRANKLIN COUNTY PERRY COUNTY CUMBERLAND COUNTY * UNTIL 235 PM EST * RAINFALL AMOUNTS OF 1 TO 2 INCHES HAVE BEEN REPORTED ACROSS PARTS OF THE AREA IN THE PAST 24 HOURS. ADDITIONAL HEAVY RAIN CONTINUES TO MOVE NORTHEAST OUT OF MARYLAND AND WILL SPREAD OVER THE AREA THROUGH THE EARLY AFTERNOON. IF YOU ARE IN THESE AREAS...MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED. DO NOT DRIVE THROUGH WATER COVERING THE ROAD. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE `TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DUNHAM
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 Jan 8, 8:45 AM EST, 1 hour 50 minutes earlier.
Area forecast discussion, Jan 8, 8:45 AM EST, 1 hour 50 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 845 AM EST THU JAN 8 1998 ...ZONE SUGGESTIONS... PIT/PHL...CALL IF SIG. CHANGES PLANNED. ...DISCUSSION... ABOUT 1 TO 2 INCHES OVERNIGHT. NO SIG. PROBLEMS SO FAR ...EXCEPT WARREN. TRIED A SEVERE WARNING...NEG FOR DAMAGE SO FAR. LOOKS LIKE SOME SHOWERS NOW AND THEN...WILL LOOK AT THIS AFT TO SEE IF ANY MORE SIG. RAIN EXPECTED LATER ON. MARTINV
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 7, 10:36 PM EST | Flash Flood Warning | CTP | Warren | 7 hr |
| Jan 8, 2:42 AM EST | Flash Flood Warning | CTP | Somerset | 6 hr |
| Jan 8, 5:55 AM EST | Flash Flood Warning | CTP | Warren | 3 hr |
| Jan 8, 7:39 AM EST | Severe Thunderstorm Warning | CTP | Adams, York | 66 min |
| Jan 8, 8:09 AM EST | Flash Flood Warning | CTP | Dauphin, Lebanon, Schuylkill | 4 hr |
| Jan 8, 8:09 AM EST | Flash Flood Warning | CTP | Adams, York | 4 hr |
| Jan 8, 8:09 AM EST | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Jan 8, 8:50 AM EST | Flash Flood Warning | CTP | Warren | 5 hr |
| Jan 8, 9:20 AM EST | Flash Flood Warning | CTP | McKean | 5 hr |
| Jan 8, 11:42 AM EST | Flash Flood Warning | CTP | Adams, York | 4 hr |
| Jan 8, 11:42 AM EST | Flash Flood Warning | CTP | Dauphin, Lancaster, Lebanon, Schuylkill | 4 hr |
| Jan 8, 12:04 PM EST | Flash Flood Warning | CTP | Potter | 4 hr |
| Jan 8, 12:26 PM EST | Flash Flood Warning | CTP | Juniata, Northumberland, Snyder | 4 hr |
| Jan 8, 12:26 PM EST | Flash Flood Warning | CTP | Columbia, Montour | 4 hr |
| Jan 8, 12:26 PM EST | Flash Flood Warning | CTP | Union | 4 hr |
| Jan 8, 1:28 PM EST | Flash Flood Warning | CTP | Lycoming, Sullivan | 4 hr |
| Jan 8, 1:31 PM EST | Flash Flood Warning | CTP | McKean, Warren | 4 hr |
| Jan 8, 2:02 PM EST | Flash Flood Warning | CTP | Bedford, Blair, Fulton, Huntingdon | 4 hr |
| Jan 8, 2:02 PM EST | Flash Flood Warning | CTP | Centre, Clinton | 4 hr |
| Jan 8, 2:02 PM EST | Flash Flood Warning | CTP | Mifflin | 4 hr |
| Jan 8, 2:42 PM EST | Flash Flood Warning | CTP | Cumberland, Franklin, Perry | 4 hr |
| Jan 8, 3:36 PM EST | Flash Flood Warning | CTP | Dauphin, Lancaster, Lebanon, Schuylkill | 6 hr |
| Jan 8, 3:36 PM EST | Flash Flood Warning | CTP | Adams, York | 6 hr |
| Jan 8, 3:52 PM EST | Flash Flood Warning | CTP | Potter | 6 hr |
| Jan 8, 4:17 PM EST | Flash Flood Warning | CTP | Cameron | 6 hr |
| Jan 8, 4:27 PM EST | Flash Flood Warning | CTP | Dauphin, Lancaster, Lebanon, York | 6 hr |
| Jan 8, 4:27 PM EST | Flash Flood Warning | CTP | Centre, Clinton, Mifflin, Union | 6 hr |
| Jan 8, 4:27 PM EST | Flash Flood Warning | CTP | Columbia, Juniata, Lycoming, Montour, Northumberland, Perry and 2 more | 6 hr |
| Jan 8, 4:27 PM EST | Flash Flood Warning | CTP | Sullivan | 6 hr |
| Jan 8, 4:27 PM EST | Flash Flood Warning | CTP | Adams, Cumberland | 6 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.