Alert archive / Pennsylvania / Flash Flood Warnings in 1998
Flash Flood Warning 25, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jan 8, 1998, 3:52 PM EST for Potter County, Pennsylvania. It was in force for 6 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, 3:52 PM EST (20:52 UTC)
- Expired
- Jan 8, 1998, 10:00 PM EST
- In force
- 6 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Potter County, PA
The radar
The State College radar (KCCX), 92 km from the middle of the area, began a volume at 20:51 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
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.9 hours before the alert went out and 147 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
- 6 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 471 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 413 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 082053 FFWCTP PAC105-090250- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 352 PM EST THU JAN 8 1998 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLOOD WARNING FOR POTTER COUNTY * UNTIL 10 PM EST * RAINFALL WILL CONTINUE ACROSS THE COUNTY THROUGH THE EVENING HOURS. EMERGENCY MANAGEMENT OFFICIALS REPORT THAT FLOODING IS CONTINUING. BETWEEN RUNOFF FROM EARLIER RAINS AND THE ADDITIONAL RAIN THAT IS EXPECTED TO FALL...THE THREAT FOR ADDITIONAL FLOODING WILL REMAIN WELL INTO THE EVENING HOURS. 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. & 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 Jan 8, 12:52 PM EST, 3 hours earlier.
Area forecast discussion, Jan 8, 12:52 PM EST, 3 hours before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 1255 AM EST THU JAN 8 1998 ...ZONE SUGGESTIONS... PIT/PHL...CALL IF SIG. CHANGES PLANNED. SEE BELOW FOR MY 2 CENTS WORTH. ...DISCUSSION... MAIN AREA OF HEAVY RAIN OVER SE PA LOOKS LIKE IT IS GOING NEG TILT AND LIFTING OUT. SOME HEAVY RAIN OVER SW NY...BUT MAY BE SOME BRIGHT BANDING. ALSO MOVING N OUT OF N PA. ANOTHER AREA OF HEAVIER SHOWERS OVER SW PA...BUT MOVING FAIRLY FAST. THUS THE WORSE LOOKS LIKE IT IS OVER...THUS DID NOT GO TOO CRAZY WITH NEW QPS. MOST LIKELY WILL STILL NEED TO KEEP WATCHES UP INTO THIS EVENING...BASED ON SPOTTY HEAVY RAIN...AND CURRENT PATCH WORK OF WARNINGS...UNLESS ECHOES ON RADAR DRY UP AND WARNINGS CAN DIE BY 4 PM. MARTIN
In the hours before
Special weather statement, Jan 8, 2:50 PM EST, 1 hour 2 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-090400- FLOOD STATEMENT - FLOOD WATCH/WARNINGS NATIONAL WEATHER SERVICE STATE COLLEGE PA 250 PM EST THU JAN 8 1998 ...FLOOD WATCHES REMAIN IN EFFECT THIS EVENING FOR ALL THE SUSQUEHANNA VALLEY OF PENNSYLVANIA...THE NORTHERN MOUNTAINS...CENTRAL MOUNTAINS...SOUTH CENTRAL MOUNTAINS... AND LAUREL HIGHLANDS OF PENNSYLVANIA... FLOOD WARNINGS REMAIN IN EFFECT FOR MUCH OF THE REGION. OVERALL...BETWEEN 1 AND 2 INCHES OF RAIN HAS OCCURRED SINCE YESTERDAY AFTERNOON ACROSS THE AREA. SLIGHTLY HEAVIER RAIN FELL ACROSS MCKEAN AND WARREN COUNTIES...AND SCHUYLKILL COUNTIES WITH THESE AREAS GETTING CLOSE TO 3 INCHES IN SPOTS. BANDS OF RAIN...SOME HEAVY...WILL CONTINUE INTO THIS EVENING. THE HEAVY RAIN SHOULD TAPER OFF FROM WEST TO EAST LATER THIS EVENING. MANY SMALL STREAMS ARE NEAR BANKFULL OR SLIGHTLY OVER...AND WILL CONTINUE TO OVERSPILL THEIR BANKS IN SOME AREAS INTO THIS EVENING. PERSONS SHOULD MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. A COMPLEX STORM SYSTEM OVER THE EASTERN PORTION OF THE COUNTRY WILL KEEP SHOWER ACTIVITY ACROSS THE AREA INTO THIS EVENING. LISTEN FOR LATER INFORMATION AND FORECAST ON NOAA WEATHER RADIO ...TV OR CABLE TV...OR YOUR FAVORIATE RADIO STATION. IN ADDITION...AREA RIVERS WILL CONTINUE TO RISE...REFER TO RIVER FLOOD WARNINGS AND STATEMENTS FOR ADDITIONAL INFOMATION. MARTIN
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, 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, 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.