Alert archive / Pennsylvania / Flash Flood Warnings in 1989
Flash Flood Warning 2, NWS State College, PA
NWS State College, PA issued this flash flood warning at May 16, 1989, 8:33 PM EDT for Franklin County, Pennsylvania. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 16, 1989, 8:33 PM EDT (00:33 UTC)
- Expired
- May 17, 1989, 2:30 AM EDT
- In force
- 6 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Franklin 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, 0.6 hours before the alert went out and 112 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
- 57 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 553 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 127 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 170037
FFWHAR
PAC055-171200-
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE HARRISBURG PA
833 PM EDT TUE MAY 16 1989
THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 800 AM EDT
WEDNESDAY FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH CENTRAL PENNSYLVANIA
...FRANKLIN
HEAVY RAINS OF TODAY HAVE PUT MANY STREAMS IN THE FRANKLIN COUNTY
AREA OUT OF THERE BANKS.
EMERGENCY MANAGEMENT PERSONEL IN FRANKLIN COUNTY REPORT STREAMS OUT OF
THERE BANKS IN THE COUNTY AND PERSONS LIVING ALONG ANY STREAMS IN THE
COUNTY SHOULD KEEP ALERT AND TAKE NESSARY PRECAUTIONS.
RAIN WILL CONTINUE UNTIL AFTER MIDNIGHT AND MOST STREAMS WILL NOT
RECEED UNTIL THE EARLY MORNING HOURS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP 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 16, 3:09 PM EDT, 5 hours 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARRISBURG PA.
305 PM EDT TUE MAY 16 1989
....SMALL STREAMS APPROACHING BANKFULL STAGES IN FULTON AND FRANKLIN
COUNTIES...
THE HEAVY RAINS OF TODAY HAVE CAUSED MANY SMALL STREAMS IN FULTON
AND FRANKLIN COUNTIES TO RISE TO NEAR BANKFUL.
RADAR SHOWS RAIN CONTINUING ACROSS THESE COUNTIES BUT THE RAIN AREA HAS
DECREASED SOMEWHAT DURING THE PAST HOUR.
EMERGENCY MANAGEMENT PERSONAL FROM FULTON AND FRANKLIN COUNTIES INDICATED
TO THIS OFFICE THAT NO MAJOR PROBLEMS WERE OCCURRING ON THEIR CREEKS.
HOWEVER IF HEAVY RAIN WOULD REDEVELOP IN THESE AREAS A FLOOD WARNING WOULD
BE NEEDED.
PERSONS LIVING ALONG SMALL CREEKS AND STREAMS IN FULGTON AND FRANKLIN
COUNTIES SHOULD KEEP ALERT FOR POSSIBLE FLOODING.
CURLL WSO HARRISBURGNearby
Flash Flood Warnings in Pennsylvania, 1989Every flash flood warning in 1989
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.