Alert archive / Pennsylvania / Flash Flood Warnings in 1994
Flash Flood Warning 41, NWS State College, PA
NWS State College, PA issued this flash flood warning at Sep 26, 1994, 9:10 PM EDT for Columbia County, Lycoming County, Sullivan County, Pennsylvania. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 26, 1994, 9:10 PM EDT (01:10 UTC)
- Expired
- Sep 27, 1994, 1:15 AM EDT
- In force
- 4 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Columbia County, PA, Lycoming County, PA, Sullivan County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 1.2 hours before the alert went out and 249 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
- 43 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 860 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 123 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 270111 FFWCTP PAC037-081-093-097-113-119-270515- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 910 PM EDT MON SEP 26 1994 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 115 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN PENNSYLVANIA ...COLUMBIA COUNTY...LYCOMING COUNTY...MONTOUR COUNTY ...NORTHUMBERLAND COUNTY...SULLIVAN COUNTY...UNION COUNTY AT 905 PM STATE COLLEGE DOPPLER RADAR INDICATED A LARGE AREA OF MODERATE TO HEAVY RAIN FROM BRADFORD AND TIOGA COUNTIES SOUTH ACROSS LYCOMING AND SULLIVAN COUNTIES TO UNION COUNTY. THE ACTIVITY CONTINUES TO MOVE TOWARDS THE NORTH AT 30 MPH. REPORTS INDICATE THAT FLOODING WAS OCCURRING IN COLUMBIA AND NORTHUMBERLAND COUNTIES FROM THE HEAVY RAINS ITHE LAST COUPLE HOURS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH pFLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. WINTHER
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.
In the hours before
Special weather statement, Sep 26, 4:01 PM EDT, 5 hours 9 minutes before
PAZ012-018>019-025>028-034>037-041-042-045-046-049>053- 056>059-063>066-262100- SPECIAL WEATHER STATEMENT - NATIONAL WEATHER SERVICE STATE COLLEGE PA 401 PM EDT MON SEP 26 1994 ...FLASH FLOOD WATCH THROUGH TUESDAY MORNING FOR LANCASTER...LEBANON AND SCHUYKILL COUNTIES... ...A FLOOD WARNING FOR SMALL STREAMS AND POOR DRAINAGE AREAS IS IN EFFECT FOR COLUMBIA COUNTY.... AT 355 PM THE STATE COLLEGE WEATHER SERVICE DOPPLER RADAR WAS INDICATING SEVERAL BANDS OF SHOWERS AND THUNDERSTORMS EXTENDING NORTH-SOUTH ACROSS CENTRAL AND EASTERN PENNSYLVANIA. ONE LINE OF THUNDERSTORMS EXTENDED FROM MILLERSBURG...SOUTH TO CAMP HILL THEN FURTHER SOUTH TO NEAR GETTYSBURG. ANOTHER BAND OF SHOWERS AND THUNDERSTORMS EXTENDED FROM BATH...NEW YORK SOUTH THROUGH THE STATE COLLEGE AREA AND THEN SOUTH TO THE LARUEL HIGHLANDS THESE SHOWERS AND THUNDERSTORMS ARE MOVING NORTH AT 30 MPH. IF YOU ARE IN A FLOOD PRONE AREA...YOU SHOULD MONITOR WATER LEVELS AND BE PREPARED TO MOVE TO HIGHER GROUND...SHOULD FLOOD WATERS THREATEN. SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WIND...DEADLY LIGHTNING AND VERY HEAVY RAIN CAPABLE OF FLOODING LOW LYING AND POOR DRAINAGE AREAS.
Special weather statement, Sep 26, 6:08 PM EDT, 3 hours 2 minutes before
PAZ006-036-037-041-042-046-049>053-056>059-063>066-262310- SPECIAL WEATHER STATEMENT - NATIONAL WEATHER SERVICE STATE COLLEGE PA 608 PM EDT MON SEP 26 1994 ...THE FLOOD WATCH FOR THE SUSQUEHANNA VALLEY HAS BEEN UPDATED TO INCLUDE THE COUNTIES OF TIOGA...SULLIVAN...LYCOMING AND SOUTHERN CLINTON... ...A FLOOD WARNING IS IN EFFECT FOR COLUMBIA COUNTY TIL 645 PM... ...A FLOOD WARNING IS ALSO IN EFFECT FOR NORTHERN DAUPHIN COUNTY TIL 8 PM... THE NATIONAL WEATHER SERVICE HAS UPDATED THE FLOOD WATCH TO INCLUDE MUCH OF THE MIDDLE AND UPPER SUSQUEHANNA VALLEY. AT 605 PM STATE COLLEGE DOPPLER RADAR WAS INDICATING SEVERAL BANDS OF SHOWERS AND THUNDERSTORMS OVER MUCH OF THE SUSQUEHANNA VALLEY. THE STRONGEST THUNDERSTORMS EXTENDED FROM THE WELLSBORO AREA SOUTH TO WILLIAMSPORT THEN FURTHER SOUTH TO WILLIAMSBURG AND GETTYSBURG. THIS AREA OF SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER THE SUSQUEHANNA VALLEY PRODUCING LOCALLY HEAVY DOWNPOURS FOR THE NEXT HOUR. IF YOU ARE IN A FLOOD PRONE AREA...YOU SHOULD MONITOR WATER LEVELS AND BE PREPARED TO MOVE TO HIGHER GROUND...SHOULD FLOOD WATERS THREATEN. WINTHER
Special weather statement, Sep 26, 6:30 PM EDT, 2 hours 40 minutes before
PAZ004-005-010>012-017>019-024>028-033>036-270035- SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST NATIONAL WEATHER SERVICE STATE COLLEGE PA 630 PM EDT MON SEP 26 1994 ...THUNDERSTORMS CONTINUE OVER THE NORTHERN MOUNTAINS... AT 1025 PM EDT... DOPPLER RADAR FROM STATE COLLEGE SHOWED SCATTERED THUNDERSTORMS OVER WARREN... MCKEAN... AND ELK COUNTIES. THE THUNDERSTORMS WERE MOVING NORTH AT 30 MPH AND WILL CONTINUE TO AFFECT THE NORTHERN MOUNTAINS FOR THE NEXT 1 TO 2 HOURS. THE STORMS WILL EXIT ELK COUNTY BEFORE MIDNIGHT. ACROSS THE REMAINDER OF CENTRAL PENNSYLVANIA... IT WILL REMAIN DRY FOR THE NEXT COUPLE HOURS. SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WIND...DEADLY LIGHTNING AND VERY HEAVY RAIN CAPABLE OF FLOODING LOW LYING AND POOR DRAINAGE AREAS. NICOSIA
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 8:01 PM EDT | Tornado Warning | CTP | Clearfield, Elk | 59 min |
| Sep 26, 8:49 PM EDT | Tornado Warning | CTP | Cameron | 56 min |
| Sep 26, 9:10 PM EDT | Flash Flood Warning | CTP | Montour, Northumberland | 4 hr |
| Sep 26, 9:10 PM EDT | Flash Flood Warning | CTP | Union | 4 hr |
| Sep 26, 9:18 PM EDT | Tornado Warning | CTP | McKean, Potter | 57 min |
Nearby
Flash Flood Warnings in Pennsylvania, 1994Every flash flood warning in 1994
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.