Alert archive / Pennsylvania / Flash Flood Warnings in 1988
Flash Flood Warning 3, NWS State College, PA
NWS State College, PA issued this flash flood warning at May 17, 1988, 8:05 PM EDT for York County, Pennsylvania. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 17, 1988, 8:05 PM EDT (00:05 UTC)
- Expired
- May 17, 1988, 11:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County York County, PA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 0.1 hours before the alert went out and 122 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
- 3 J/kg
- Mixed-layer CIN
- -243 J/kg
- Mixed-layer LCL
- 933 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- -181 m²/s²
- 0-3 km storm-relative helicity
- -101 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 KHAR 180008
FFWHAR
PAC133-180300-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HARRISBURG PA
805 PM EDT TUE MAY 17 1988
THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1100 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH CENTRAL PENNSYLVANIA
...YORK
YORK COUNTY CONTROL REPORTED THAT SOME STREETS AND ROADS WERE STILL
COVERED WITH WATER. SOME SMALL STREAM WERE STILL OUT OF THEIR BANKS
AND OTHER STILL RISING.
SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE REGION FOR A FEW
MORE HOURS BUT THE HEAVIEST RAIN APPEARS TO BE OVER.
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.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, May 17, 2:44 PM EDT, 5 hours 21 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HARRISBURG PA 240 PM EDT TUE MAY 17 1988 PLEASE DO NOT USE AFTER 4 PM EDT ...FLASH FLOOD WARNING FOR ADAMS COUNTY UNTIL 5PM... ...FLASH FLOOD WATCH FOR FULTON FRANKLIN AND BEDFORD COUNTIES UNTIL MIDNIGHT... AT 230 PM THE NATIONAL WEATHER SERVICE RADAR WAS OBSERVING A AREA OF SCATTERED SHOWERS AND THUNDERSTORMS OVER THE SUSQUEHANNA VALLEY AND THE SOUTHCENTRAL AND CENTRAL MOUNTAINS OF PA SOUTH ACROSS THE WESTERN PANHANDLE OF MARYLAND AND THE NORTHEAST PANHANDLE OF WEST VIRGINIA. THE HEAVEST STORMS WERE IN WESTERN MIFFLIN, IN WESTERN CUMBERLAND AND NORTHERN ADAMS AND FULTON COUNTIES. THE SHOWERS AND THUNDERSTORMS ARE MOVING TO THE NORTHEAST AT ABOUT 15 TO 20 MPH AND COULD BE PRODUCING SOME LOCALLY HEAVY RAINS, HAIL AND GUSTY WINDS. HEAVY RAIN AND HAIL HAS BEEN REPORTED IN ADAMS COUNTY. WSO HAR HURLEY
Special weather statement, May 17, 3:40 PM EDT, 4 hours 25 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HARRISBURG PA 335 PM EDT TUE MAY 17 1988 PLEASE DO NOT USE AFTER 5 PM EDT ...FLASH FLOOD WARNING FOR ADAMS COUNTY UNTIL 5PM... ...FLASH FLOOD WATCH FOR FULTON FRANKLIN AND BEDFORD COUNTIES UNTIL MIDNIGHT... AT 325 PM THE NATIONAL WEATHER SERVICE RADAR WAS OBSERVING A AREA OF SHOWERS AND THUNDERSTORMS OVER THE WESTERN AREAS OF THE SUSQUEHANNA VALLEY AND THE SOUTHCENTRAL AND CENTRAL MOUNTAINS OF PA SOUTH ACROSS THE PANHANDLE OF MARYLAND AND WEST VIRGINIA INTO NORTHWESTERN VIRGINIA. THE HEAVIEST STORMS WERE IN CENTRE, EASTERN ADAMS AND FRANKLIN COUNTIES IN PA AND IN SOUTHERN FREDERICK COUNTY IN VIRGINIA. THE SHOWERS AND (THUNDERSTORMS ARE MOVING TO THE EAST NORTHEAST AT ABOUT 15 TO 20 MPH AND COULD BE PRODUCING SOME LOCALLY HEAVY RAINS, HAIL AND GUSTY WINDS. WSO WSO HURLEY
Nearby
Flash Flood Warnings in Pennsylvania, 1988Every flash flood warning in 1988
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.