Alert archive / Pennsylvania / Flash Flood Warnings in 1998
Flash Flood Warning 16, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jan 8, 1998, 12:26 PM EST for Union 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, 12:26 PM EST (17:26 UTC)
- Expired
- Jan 8, 1998, 4:30 PM EST
- In force
- 4 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Union County, PA
The radar
The State College radar (KCCX), 79 km from the middle of the area, began a volume at 17:26 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 5.4 hours before the alert went out and 185 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
- 55 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 533 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 326 m²/s²
- 0-3 km storm-relative helicity
- 333 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 081727 FFWCTP PAC037-067-093-097-109-119-082130- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 1226 PM EST THU JAN 8 1998 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLOOD WARNING FOR JUNIATA COUNTY UNION COUNTY SNYDER COUNTY NORTHUMBERLAND COUNTY MONTOUR COUNTY COLUMBIA COUNTY * UNTIL 430 PM EST * HEAVY RAIN OF 1 TO 2 INCHES FELL ACROSS MUCH OF THE AREA IN THE PAST 24 HOURS...AND RADAR SHOWS HEAVY RAIN CONTINING TO MOVE NORTHEAST OVER THE AREA THIS AFTERNOON. SMALL STREAMS AND ROADS MAY FLOOD QUICKLY AS RAIN CONTINUES TO FALL ACROSS THE AREA. IF YOU ARE IN THESE AREAS... MOVE TO HIGHER GROUND. DO NOT DRIVE THROUGH WATER COVERING THE ROAD. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. 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, 3 hours 41 minutes earlier.
Area forecast discussion, Jan 8, 8:45 AM EST, 3 hours 41 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, 10:35 AM EST | Flash Flood Warning | CTP | Cumberland, Franklin, Perry | 4 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, 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.