Alert archive / Kentucky / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 94, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 6, 1987, 4:58 PM CDT for Grayson County, Ohio County, Kentucky. It was in force for 32 min.
The area
The counties it named.
The facts
- Issued
- Jul 6, 1987, 4:58 PM CDT (21:58 UTC)
- Expired
- Jul 6, 1987, 5:30 PM CDT
- In force
- 32 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Grayson County, KY, Ohio County, KY
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
Nashville Metro, TN (KBNA), launched 12:00Z, 10.0 hours before the alert went out and 149 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
- 2792 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 791 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 69 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 KEVV 062158 RRA SVREVV KYC059-085-062230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EVANSVILLE IN 458 PM CDT MON JUL 6 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTH CENTRAL KENTUCKY...OHIO AND GRAYSON AT 455 PM CDT...SEVERE THUNDERSTORMS WERE OVER OHIO COUNTY MOVING TO THE EAST AT 35 MILES AN HOUR. IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORECED SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND LIGHTNING. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT. INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS... STAY AWAY FROM HIGH OBJECTS. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES AND ELECTRICAL EQUIlPMENT. ZIMMER
What forecasters said that day
The local office's own words before this severe thunderstorm 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 6, 12:15 PM CDT, 4 hours 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 1215 PM EST MON JUL 6 1987 ...THERE IS A SEVERE THUNDERSTORM WATCH FOR SOUTHERN INDIANA UNTIL 500 PM EST... THE WATCH IS SOUT OF A LINE FROM 10 MILES NORTH OF VINCENNES TO 45 MILES NORTHEAST OF LOUISVILLE. DANGEROUS LIGHTNING...LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA. HEAVY RAINFALL IS ALSO POSSIBLE. AT 1205 PM...THUNDERSTORMS WERE OVER SOUTHWEST INDIANA FROM AROUND WESTPHALIA...OR 15 MILES NORTHEAST OF VINCENNES...TO JUST WEST OF BEDFORD. THE STORMS WERE MOVING SLOWLY EAST. THE STORMS WERE SOME OF THE AREA THAT RECEIVED HEAVY RAINFALL LATE SATURDAY AFTERNOON. HEAVY RAINFWALL IS POSSIBLE THIS AFTERNOON AND THAT COULD LEAD TO FLOODING OF LOW AND FLOOD PRONE AREAS. BE ALERT FOR HEAVY RAINFALL.
Special weather statement, Jul 6, 12:24 PM CDT, 4 hours 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 1215 PM EST MON JUL 6 1987 ...THERE IS A SEVERE THUNDERSTORM WATCH FOR SOUTHERN INDIANA UNTIL 500 PM EST... THE WATCH IS SOUTH OF A LINE FROM 10 MILES NORTH OF VINCENNES TO 45 MILES NORTHEAST OF LOUISVILLE. DANGEROUS LIGHTNING...LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA. HEAVY RAINFALL IS ALSO POSSIBLE. AT 1205 PM...THUNDERSTORMS WERE OVER SOUTHWEST INDIANA FROM AROUND WESTPHALIA...OR 15 MILES NORTHEAST OF VINCENNES...TO JUST WEST OF BEDFORD. THE STORMS WERE MOVING SLOWLY EAST. THE STORMS WERE OVER SOME OF THE AREA THAT RECEIVED HEAVY RAINFALL LATE SATURDAY AFTERNOON. H]EAVY RAINFALL IS POSSIBLE THIS AFTERNOON AND THAT COULD LEAD TO FLOODING OF LOW AND FLOOD PRONE AREAS. BE ALERT FOR HEAVY RAINFALL. DS
Special weather statement, Jul 6, 1:21 PM CDT, 3 hours 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 120 PM EST MON JUL 6 1987 ...THERE IS A SEVERE THUNDERSTORM WATCH FOR SOUTHERN INDIANA UNTIL 500 PM EST... THE WATCH IS SOUTH OF A LINE FROM 10 MILES NORTH OF VINCENNES TO 45 MILES NORTHEAST OF LOUISVILLE. DANGEROUS LIGHTNING...LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA. HEAVY RAINFALL IS ALSO POSSIBLE. AT 115 PM...THUNDERSTORMS WERE OVER SOUTHWEST INDIANA FROM AROUND THE ILLINOIS STATE LINE NEAR WESTPHALIA...TO 10 MILES WEST OF BEDFORD NEAR NEWBERRY AND ODON. STORMS WERE OVER SOME OF THE AREA THAT RECEIVED HEAVY RAINFALL LATE SATURDAY AFTERNOON. HEAVY RAINFALL IS POSSIBLE THIS AFTERNOON AND COULD LEAD TO FLOODING OF LOW AND FLOOD PRONE AREAS. KENYON
Special weather statement, Jul 6, 2:21 PM CDT, 2 hours 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 219 PM EST MON JUL 6 1987 A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR LAWRENCE COUNTY UNTIL 250 PM...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHERN INDIANA UNTIL 5 PM...AND A FLASH FLOOD WATCH IS IN EFFECT FOR PART OF WEST CENTRAL...SOUTHWEST AND SOUTH CENTRAL INDIANA FOR THIS AFTERNOON AND EVENING. AT 205 PM EST RADAR SHOWED A LINE OF VERY STRONG THUNDERSTORMS FROM 30 MILES SOUTH OF TERRE HAUTE TO 10 MILES WEST OF SEYMOUR. THE MOST THREATENING STORM WAS 5 MILES WEST OF BEDFORD. THESE STORMS ARE PRODUCING TORRENTIAL RAINS OVER ALREADY RAIN-SOAKED GROUND. PEOPLE ALONG SMALL STREAMS AND CREEKS SHOULD BE ALERT TO RAPIDLY RISING WATER. HEAVY RAINS WILL COVER ROADS SO MOTORISTS SHOULD DRIVE WITH EXTREME CAUTION. DO NOT ATTEMPT TO CROSS FLOWING WATER. SOME OF THE STORMS MAY ALSO PRODUCE DAMAGING WINDS...SMALL HAIL AND FREQUENT DANGEROUS LIGHTNING. ALLSOPP
Special weather statement, Jul 6, 4:05 PM CDT, 53 minutes before
SPECIAL WEATHER STATEMENT...SUMMARY OF WATCHES IN EFFECT FOR INDIANA... NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 403 PM EST MON JUL 6 1987 HERE IS A SUMMARY OF WEATHER WATCHES NOW IN EFFECT FOR INDIANA. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL AND SOUTHERN INDIANA UNTIL 900 PM EST. SOME CITIES INCLUDED ARE TERRE HAUTE... INDIANAPOLIS...RICHMOND...BLOOMINGTON...COLUMBUS...BEDFORD...VERSAILLES ...SALEM AND NEW ALBANY. A FLASH FLOOD WATCH IS IN EFFECT OVER PART OF WEST CENTRAL...SOUTHWEST AND SOUTH CENTRAL INDIANA FOR THE REST OF THIS AFTERNOON AND EVENING. SOME CITIES INCLUDED ARE BLOOMINGTON...BEDFORD...COLUMBUS...SULLIVAN AND VINCENNES. A FLASH FLOOD WARNING REMAINS IN EFFECT FOR GREENE COUNTY OF WEST CENTRAL INDIANA UNTIL 530 PM. THIS MEANS FLASH FLOODING OF SMALL STREAMS AND CREEKS AS WELL AS SOME ROADS AND LOW LYING AREAS IS IMMINENT OR OCCURING IN GREENE COUNTY. STAY TUNED TO THIS SOURCE FOR ADDITIONAL STGATEMENTS OR WARNINGS. ALLSOPP
Special weather statement, Jul 6, 4:44 PM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 445 PM EST MON JUL 6 1987 SEVERE THUNDERSTORM WATCHES ARE IN EFFECT FOR CENTRAL AND SOUTHERN INDIANA UNTIL 900 PM EST THIS EVENING. SOME CITIES INCLUDED IN THE WATCH ARE TERRE HAUTE INDIANAPOLIS BLOOMINGTON COLUMBUS AND BEDFORD. AT 422 PM EST RADAR AT INDIANAPOLIS SHOWED VERY STRONG THUNDERSTORMS IN A LINE FROM OWENSBURG IN GREENE COUNTY TO NEAR BEDFORD AND TO CROTHERVILLE IN JACKSON COUNTY AND LEXINGTON INDIANA WHICH IS 25 NORTH OF LOUISVILLE KENTUCKY. THESE STORMS WERE PRODUCING TORRENTIAL RAINS OVER ALREADY RAIN-SOAKED GROUND. PEOPLE ALONG SMALL STREAMS AND CREEKS SHOULD BE ALERT TO RAPIDLY RISING WATER. HEAVY RAINS WILL COVER ROADS SO MOTORISTS SHOULD DRIVE WITH EXTREME CAUTION. DO NOT ATTEMPT TO CROSS FLOWING WATER. SOME OF THE HEAVIER STORMS MAY ALSO PRODUCE DAMAGING WINDS HAIL AND DANGEROUS LIGHTNING AS IT MOVES EAST AT 30 MILES AN HO^UR. IF THREATENING CONDITIONS ARE SIGHTED MOVE TO A SAFE PLACE AT ONCE. REPORTS SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. KOLDITZ
Nearby
Severe Thunderstorm Warnings in Kentucky, 1987Every severe thunderstorm 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.