Alert archive / Ohio / Flash Flood Warnings in 1987
Flash Flood Warning 4, NWS Charleston, WV
NWS Charleston, WV issued this flash flood warning at Jul 2, 1987, 1:06 PM EDT for Delaware County, Franklin County, Ohio. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1987, 1:06 PM EDT (17:06 UTC)
- Expired
- Jul 2, 1987, 5:10 PM EDT
- In force
- 4 hr
- Issued by
- NWS Charleston, WV
- Area
- Whole counties
Counties Delaware County, OH, Franklin County, OH
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
Dayton/James M C, OH (KDAY), launched 12:00Z, 5.1 hours before the alert went out and 105 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
- 28 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 560 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 67 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 KCMH 021707 FFWCMH OHC041-049-022110- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE COLUMBUS OH 106 PM EDT THU JUL 2 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 510 PM EDT FOR THE FOLLOWING COUNTIES OF CENTRAL OHIO... SOUTHERN DELAWARE... FRANKLIN DUE TO RECENT HEAVY RAINS WATER IS OVERFLOWING THE OSHAUGNESSY DAM. COMMUNITIES SOUTH OF THE DAM MAY EXPERIENCE SUDDEN FLUCUATIONS IN STREAM LEVELS FOR THE NEXT FEW HOURS UNTIL THE WATERS BEGIN TO RECEDE. FLASH FLOODING IS IMMINENT IN THIS AREA. IF YOU LIVE NEAR FLOOD PRONE AREAS...RIVERS...OR STREAMS GO IMMEDIATELY TO HIGHER GROUND. DO NOT ATTEMPT TO DRIVE THROUGH ROADS THAT ARE COVERED BY WATER. IF YOUR CAR STALLS IN HIGH WATER ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. LVW
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, Jul 2, 12:26 PM EDT, 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON WV 1215 PM EDT THU JUL 02 1987 AT 12 NOON WEATHER RADAR AT CHARLESTON DETECTED A LINE OF SHOWERS AND THUNDERSTORMS JUST TO THE WEST OF THE OHIO RIVER. THIS PRECIPITATION EXTENDED FROM NEAR CALDWELL IN NOBLE COUNTY OHIO THROUGH POMEROY OHIO AND SOUTHWEST THROUGH THE ASHLAND KENTUCKY AREA TO NEAR MOREHEAD KENTUCKY. SEVERAL VERY STRONG THUNDERSTORMS ARE INCLUDED IN THIS LINE. THE STRONGEST THUNDERSTORMS WERE LOOCATED FROM NORTHERN LAWRENCE COUNTY OHIO THROUGH GALLIA AND MEIGS COUNTIES. THIS LINE OF PRECIPITATION IS MOVING TO THE EAST AT 20 MILES AN HOUR AND AND SHOULD CROSS INTO THE WEST VIRGINIA COUNTIES ALONG THE OHIO RIVER DURING THE NEXT HOUR. THESE THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN AND DANGEROUS LIGHTNING. SOME SMALL HAIL AND STRONG GUSTY SURFACE WINDS MAY ACCOMPANY THESE STORMS AS THEY MOVE EAST. SOME LOCAL UNBAN AND SMALL STREAM FLOODING IS POSSIBLE IN THE HEAVY RAIN AREAS. THE STRONGEST STORMS AREA EXPECTED TO MOVE INTO MASON COUNTY AND WESTERN PORTIONS OF JACKSON AND WOOD COUNTIES BY 100 PM. THIS WILL INCLUDE THE CITIES OF PARKERSBURG...RAVENSWOOD AND POINT PLEASANT WEST VIRGINIA. IT SHOULD EXTEND FROM NEAR NEW MARTINSVILLE TO NITRO WEST VIRGINIA AND ON TO LOUISA KENTUCKY BY 200 PM. THE WEST VIRGINIA ARTS AND CRAFTS FESTIVAL CURRENTLY BEING HELD AT CEDAR LAKES... JUST SOUTH OF RIPLEY IN JACKSON COUNTY WEST VIRGINIA MAY EXPERIENCE STRONG THUNDERSTORM ACTIVITY BETWEEN 100 AND 200 PM. THIS WOULD INCLUDE STRONG GUSTY WINDS...VERY HEAVY RAIN...DANGEROUS LIGHTNING AND POSSIBLE HAIL. IF THREATENING WEATHER APPROACHES MOVE TO A SAFE PLACE IMMEDIATELY. FURTHER STATEMENTS WILL BE ISSUED AS THE CONDITIONS WARRANT. END/ZINN
Nearby
Flash Flood Warnings in Ohio, 1987Every flash flood warning in 1987
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.