Alert archive / Indiana / Flash Flood Warnings in 1987
Flash Flood Warning 1, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at May 21, 1987, 1:24 PM EST for Ripley County, Indiana. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- May 21, 1987, 1:24 PM EST (18:24 UTC)
- Expired
- May 21, 1987, 2:20 PM EST
- In force
- 56 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Ripley County, IN
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, 6.4 hours before the alert went out and 127 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
- 1442 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 757 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 49 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 KCVG 211825 FFWCVG INC137-211920- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CINCINNATI OH 224 PM EDT THU MAY 21 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 320 PM EDT FOR THE FOLLOWING COUNTY OF SOUTHEAST INDIANA... RIPLEY A LINE OF VERY HEAVY THUNDERSTORMS IN EXTREME EASTERN RIPLEY COUNTY AT 220 PM EDT WILL DRIFT SLOWLY TO THE EAST. THE HEAVIEST PART OF THE THUNDERSTORM LINE WAS IN EXTREME SOUTHEAST RIPLEY COUNTY NEAR FRIENDSHIP. RAINFALL AMOUNTS OF OVER THREE INCHES IN ABOUT AN HOUR WERE REPORTED BY THE STATE POLICE AT VERSAILLES INDIANA. FLASH FLOODING IS IMMINENT IN THIS AREA. IF YOU LIVE NEAR FLO1OD PRONE RIVERS OR STREAMS IN THIS AREA GO IMMEDIATELY TO HIGHER GROUND. IW/JR
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 21, 11:00 AM EST, 2 hours 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTON OH 1159 AM EDT THU MAY 21 1987 THUNDERSTORMS WITH VERY HEAVY RAIN AND POSSIBLY SMALL HAIL WERE MOVING INTO THE SOUTHERN HALF OF DARKE COUNTY IN WEST CENTRAL OHIO AT 1155 AM EDT. WEATHER SERVICE RADAR SHOWED A SMALL AREA OF HEAVY STORMS ALONG THE OHIO-INDIANA STATE LINE JUST NORTH OF RICHMOND INDIANA. THE STORMS WERE MOVING SLOWLY EAST AT 5 TO 10 MILES AN HOUR AND ARE EXPECTED TO SPREAD wACROSS SOUTHERN DARKE COUNTY BY 100 PM EDT. PEOPLE LIVING IN DARKE COUNTY OHIO SHOULD KEEP ABREAST OF THE LOCAL CONDITIONS AS THESE STORMS MAY INTENSIFY RAPIDLY. LINDSEY
Special weather statement, May 21, 12:25 PM EST, 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTON OH 120 PM EDT THU MAY 21 1987 AT 115 PM THUNDERSTORMS WITH SMALL HAIL AND VERY HEAVY RAIN IN SOUTHERN DARKE COUNTY AND NORTHERN PREBLE COUNTY CONTINUED TO MOVE TO THE EAST AT 5 MPH. A SMALL AREA OF VERY HEAVY THUNDERSTORMS WERE SHOWN ON RADAR JUST EAST OF THE OHIO-INDIANA STATE LINE. THE STORMS WERE MOVING VERY SLOWLY TO THE EAST WHILE PRODUCING VERY HEAVY RAIN. PONDING OF WATER COULD OCCUR IN AREAS OF POOR DRAINAGE. PEOPLE LIVING IN DARKE AND PREBLE COUNTIES OF WESTERN OHIO SHOULD KEEP ABREAST OF LOCAL CONDITIONS AS THESE STORMS MAY INTENSIFY RAPIDLY. SHARTRAN
Special weather statement, May 21, 12:40 PM EST, 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 140 PM EDT THU MAY 21 1987 THUNDERSTORMS WITH VERY HEAVY RAIN WERE DEVELOPING OVER SOUTHEAST INDIANA. AT 135 PM EDT THE RADAR INDICATED A SMALL LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL WERE INDICATED FROM EASTERN RIPLEY COUNTY TO NEAR MADISON INDIANA. THE THUNDERSTORMS WERE DRIFTING TO THE EAST ABOUT 5 MPH. SOME OF THE STORMS WILL PRODUCE BRIEF PERIODS OF VERY HEAVY RAIN AND SMALL HAIL OVER THE SOUTHEAST INDIANA COUNTIES OF DEARBORN, OHIO AND SWITERLAND DURING THE NEXT HOUR..UNTIL AROUND 230 PM. END JR
Special weather statement, May 21, 1:00 PM EST, 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 200 PM EDT THU MAY 21 1987 THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE IN SOUTHEAST INDIANA. AT 2 PM EDT THE RADAR INDICATED A LINE OF THUNDERSTORMS OVER EASTERN RIPLEY COUNTY IN SOUTHEAST INDIANA. THE STORM WERE DRIFING TO THE EAST ABOUT 5 MPH. THE STORMS WERE PRODUING VERY HEAVY RAIN AND SMALL HAIL. THE INDIANA STATE POLICE AT VERSAILES REPORTED OVER TWO INCHES OF RAIN IN 45 MINUTES. THE STORMS WILL MOVE INTO THE WESTERN PART OF DEARBORN COUNTY OF SOUTH EAST INDIANA BY 3 PM. THE VERY HEAVY RAIN AND SLOW MOVEMENT WILL CAUSE WATER IN STREETS AND SOME FLOODING OF LOW AREAS. VISIBILITES IN THE CENTER OF THE STORMS WILL BE RESTRICTED AND CAUSE PROBLEMS FOR DRIVERS. END JR
Nearby
Flash Flood Warnings in Indiana, 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.