Alert archive / Pennsylvania / Flash Flood Warnings in 1998
Flash Flood Warning 35, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jan 9, 1998, 11:00 AM EST for Lycoming County, Sullivan 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
- Jan 9, 1998, 11:00 AM EST (16:00 UTC)
- Expired
- Jan 9, 1998, 2:00 PM EST
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Lycoming County, PA, Sullivan County, PA
The radar
The Binghamton radar (KBGM), 112 km from the middle of the area, began a volume at 16:03 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, 4.0 hours before the alert went out and 222 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
- 309 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 799 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 091601 FFWCTP PAC081-113-091900- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 1100 AM EST FRI JAN 9 1998 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 200 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN PENNSYLVANIA ...LYCOMING COUNTY...SULLIVAN COUNTY THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLOOD WARNING FOR SULLIVAN AND LYCOMING COUNTIES IN NORTH CENTRAL PENNSYLVANIA. BANDS OF SHOWERS AND THUNDERSTORMS CONTINUE TO LIFT NORTHWARD ACROSS THE REGION. EASTERN LYCOMING AND SULLIVAN COUNIES RECEIVED VERY HEAVY RAIN SINCE WEDNESDAY NIGHT. ADDITIONAL HEAVY RAIN IS LIKELY TO RESULT IN SOME CREEKS OVERSPILLING THEIR BANKS. MOST OF THE HEAVY RAIN SHOULD TAPER OFF BY EARLY AFTERNOON. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE 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. MARTIN
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 9, 9:05 AM EST, 1 hour 55 minutes earlier.
Area forecast discussion, Jan 9, 9:05 AM EST, 1 hour 55 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 905 AM EST FRI JAN 9 1998 ...DISCUSSION... LOOKS LIKE SOME SHOWER ACTIVITY INTO EARLY TO MID AFT. WORSE OF THE STORMS ARE OUT OF THE AREA. CAN DROP FLOOD WATCH FOR NW PA. MAY BE SOME CLEARING FROM S TO N BY LATE AFT...BUT WILL LOOK AT NEW INFO THIS AFT. MARTIN
In the hours before
Local storm report, Jan 9, 7:25 AM EST, 3 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PENNSYLVANIA
725 AM EST FRI JAN 9 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
355 AM 5 MI SW CARLISLE PA TSTM WIND DAMAGE
01/09/98 CUMBERLAND TREES DOWN
420 AM DILLSBURG PA TSTM WIND DAMAGE
01/09/98 YORK TREES DOWN
433 AM MIDDLETOWN AIRPORT PA TSTM WIND GUST 60 MPH(52 KTS)
01/09/98 DAUPHIN
500 AM LICKDALE PA TSTM WIND DAMAGE
01/09/98 LEBANON TREE DOWN
NICOSIALocal storm report, Jan 9, 7:25 AM EST, 3 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PENNSYLVANIA
725 AM EST FRI JAN 9 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
355 AM 5 MI SW CARLISLE PA TSTM WIND DAMAGE
01/09/98 CUMBERLAND TREES DOWN
420 AM DILLSBURG PA TSTM WIND DAMAGE
01/09/98 YORK TREES DOWN
433 AM MIDDLETOWN AIRPORT PA TSTM WIND GUST 60 MPH(52 KTS)
01/09/98 DAUPHIN
500 AM LICKDALE PA TSTM WIND DAMAGE
01/09/98 LEBANON TREE DOWN
NICOSIAThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 10:01 PM EST | Flash Flood Warning | CTP | Lycoming, Union | 6 hr |
| Jan 9, 2:42 AM EST | Flash Flood Warning | CTP | Warren | 6 hr |
| Jan 9, 3:40 AM EST | Severe Thunderstorm Warning | CTP | Adams, Cumberland | 55 min |
| Jan 9, 4:17 AM EST | Severe Thunderstorm Warning | CTP | Dauphin, York | 63 min |
| Jan 9, 4:44 AM EST | Severe Thunderstorm Warning | CTP | Lebanon, Schuylkill | 61 min |
| Jan 9, 4:44 AM EST | Severe Thunderstorm Warning | CTP | Northumberland | 61 min |
| Jan 9, 5:26 AM EST | Flash Flood Warning | CTP | Lycoming, Sullivan | 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.