Alert archive / Kentucky / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 39, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Jul 6, 1987, 5:36 PM EDT for Henry County, Oldham County, Trimble County, Kentucky. It was in force for 69 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 6, 1987, 5:36 PM EDT (21:36 UTC)
- Expired
- Jul 6, 1987, 6:45 PM EDT
- In force
- 69 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
Counties Henry County, KY, Oldham County, KY, Trimble County, KY
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 6, 6:00 PM EDT | Thunderstorm Wind 0 | Trimble, KY | |
| Jul 6, 6:00 PM EDT | Thunderstorm Wind 0 | Oldham, KY | |
| Jul 6, 6:15 PM EDT | Thunderstorm Wind 0 | Henry, KY |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Huntington/Tri S, WV (KHTS), launched 12:00Z, 9.6 hours before the alert went out and 244 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
- 81 J/kg
- Mixed-layer CIN
- -234 J/kg
- Mixed-layer LCL
- 1270 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 76 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 KSDF 062142
SVRSDF
KYC029-093-103-111-163-185-223-062245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
536 PM EDT MON JUL 6 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTH CENTRAL KENTUCKY
...BULLITT...HARDIN...HENRY
...JEFFERSON...MEADE...OLDHAM
...TRIMBLE
NATIONAL WEATHER SERVICE RADAR INDICATED SEVERE THUNDERSTORMS MOVING
ACROSS NORTHERN KENTUCKY AT 540 PM EDT. A LOCAL RADIO STATION IN
BRANDENBURG KENTUCKY LOCATED IN MEADE COUNTY...LOCATED 25 SOUTHWEST
OF LOUISVILLE...REPORTED 60 MILE PER HOUR WINDS AT 535 PM EDT. THIS
WARNING INCLUDES THE LOUISVILLE METROPOLITAN AREA. THE STORMS ARE
MOVING EAST AT 35 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR -YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.
REPORT ALL SEVERE WEATHER TO YOUR LOCAL LAW ENFORECEMENT AGENCY
FOR RELAY TO THE NATIONAL WEATHER SERVICE.
POOLEWhat 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, 1:08 PM EDT, 4 hours 28 minutes before
KENTUCKY SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 105 PM EDT MON JUL 6 1987 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM EDT FOR PORTIONS OF NORTHERN KENTUCKY.... SEVERE THUNDERSTORMS HAVE BEEN REPORTED TO THE SOUTHEAST OF THE ST LOUIS AREA EARLIER THIS AFTERNOON. ONE INCH HAIL AND DAMAGING WINDS WERE REPORTED. THESE THUNDERSTORMS ARE MOVING TO THE SOUTH/ EAST AT 30 MPH. IN ADDITION MORE THUNDERSTORMS ARE $DEVELOPING ACROSS SOUTHWEST INDIANA ABOUTH 60 MILE NORTHWEST OF LOUISVILLE. PERSONS IN THE WATHCH AREA SHOULD STAY ALERT TO RAPIDLY CHANGING WEATHER PATTERNS AND SEEK SHELTER IF THREATENING WEATHER DEVELOPS. CF
Special weather statement, Jul 6, 2:01 PM EDT, 3 hours 35 minutes before
KENTUCKY SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 200 PM EDT MON JUL 6 1987 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM EDT FOR PORTIONS OF NORTHERN KENTUCKY.... THUNDERSTORMS CONTINUE TO DEVELOP ACROSS SECTIONS OF SOUTHERN ILLINOIS AND SOUTHWEST INDIANA. THE AREA OF STORMS IS DRIFTING TO THE SOUTHEAST AS THESE STORMS MOVE TO THE EAST. ACROSS KENTUCKY HOT AND MUGGY CONDITIONS WILL PREVAIL THIS AFTER/ NOONH WITH ADDITIONAL THUNDERSTORMS DEVELOPING LATER THIS AFTERNOON. PERSONS IN THE WATHCH AREA SHOULD STAY ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK SHELTER IF THREATENING WEATHER DEVELOPS. CF
Special weather statement, Jul 6, 3:07 PM EDT, 2 hours 29 minutes before
KENTUCKY SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 305 PM EDT MON JUL 6 1987 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM EDT FOR PORTIONS OF NORTHERN KENTUCKY.... THUNDERSTORMS CONTINUE TO DEVELOP ACROSS SECTIONS OF SOUTHERN ILLINOIS AND SOUTHWEST INDIANA. HAIL AND STRONG WIND HAVE BEEN REPORTED FROM SOME OF THESE STORMS. THE AREA OF STORMS IS DRIFTING TO THE SOUTHEAST AS THESE STORMS MOVE TO THE EAST. ACROSS KENTUCKY HOT AND MUGGY CONDITIONS WILL PREVAIL THIS AFTER/ NOON WITH SCATTERED THUNDERSTORMS ALREADY BUILDING OVER SECTIONS OF EAST KENTUCKY. PERSONS IN THE WATCH AREA SHOULD STAY ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK SHELTER IF THREATENING WEATHER DEVELOPS. CF
Special weather statement, Jul 6, 4:17 PM EDT, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT AND KENTUCKY WEATHER SUMMARY NATIONAL WEATHER SERVICE LOUISVILLE KY 430 PM EDT MON JUL 6 1987 ...SEVERE THUNDERSTORM WATCH TIL 6 PM EDT MUCH OF NORTH KENTUCKY... THUNDERSTORMS ERUPTED OVER THE LOWER OHIO AND MID MISSISSIPPI VALLEY THIS AFTERNOON...PROMPTING A SEVERE THUNDERSTORM WATCH TO BE ISSUED FOR PORTIONS OF NORTH KENTUCKY. IN ADDITION TO THE POTENTIAL FOR SEVERE WEATHER THESE STORMS WERE VERY SLOW MOVING AND CAPABLE OF PRODUCING LOCALLY HEAVY RAIN. THOSE THUNDERSTORMS WILL DIMINISH LATER TONIGHT AS THEY LOSE THE BENEFIT OF DAYTIME HEATING. MORE OF THE SAME IS EXPECTED AGAIN ON TUESDAY AND WEDNESDAY AS KENTUCKY REMAINS IN THE GRIPS OF A VERY WARM...MOIST AND UNSTABLE AIRMASS. LITTLE RELIEF IS IN SIGHT AS THE ATMOSPHERE APPEARS TO BE HEADED FOR A PATTERN ALLOWING LITTLE...IF ANY...CHANGE. KLEIN
Special weather statement, Jul 6, 4:19 PM EDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
410 PM EDT MON JUL 6 1987
...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM EDT FOR
PORTIONS OF NORTHERN KENTUCKY...
THUNDERSTORMS CONTINUE TO DEVELOP ACROSS SECTIONS OF SOUTHERN
INDIANA. HAIL AND STRONG WINDS HAVE BEEN REPORTED FROM SOME OF
THESE STORMS. AT 420 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED
STRONG THUNDERSTORMS STRETCHING FROM BLOOMFIELD INDIANA TO SCOTTSBURG
INDIANA. ANOTHER AREA OF STORMS WAS ENTERING SOUTHWEST INDIANA
FROM NEW HARMONY TO PRINCETON...LOCATED NORTHWEST OF EVANSVILLE.
THESE STORMS COULD PRODUCE STRONG WINDS...HAIL...VERY HEAVY RAIN
...AND WILL PRODUCE DEADLY LIGHTNING. PERSONS IN THE PATHS OF THESE
STORMS SHOULD BE PREPARED TO SEEK SAFE INDOOR SHELTER UNTIL THE
STORMS PASS.
PERSONS IN THE SEVERE THUNDERSTORM WATCH AREA OF NORTHERN KENTUCKY
SHOULD STAY ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
THE SOUTHERN INDIANA THUNDERSTORMS MAY FURTHER DEVELOP SOUTHWARD
INTO NORTHERN KENTUCKY AS THE AFTERNOON DRAWS TO AN END.
POOLESpecial weather statement, Jul 6, 5:27 PM EDT, 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LEXINGTON KY 530PM EDT MON JUL 6 1987 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM EDT. AT 530PM THERE WERE INTENSE THUNDERSTORMS ACROS!S SOUTHERN INDIANA MOVING RAPIDLY SOUTHEAST TOWARD KENTUCKY. THUNDERSTORMS FROM THIS SYSTEM ARE EXPECTED IN THE CENTRAL BLUE GRASS REGION OF KENTUCKY BY 7PM EDT. PREPARATIONS SHOULD UNDERTAKEN NOW FOR POSSIBLE SEVERE THUNDERSTORMS THIS EVENING.
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 8:43 PM EDT | Severe Thunderstorm Warning | LMK | Estill | 47 min |
| Jul 5, 8:59 PM EDT | Severe Thunderstorm Warning | LMK | Laurel | 46 min |
| Jul 6, 5:36 PM EDT | Severe Thunderstorm Warning | LMK | Bullitt, Hardin, Jefferson, Meade | 69 min |
| Jul 6, 6:03 PM EDT | Severe Thunderstorm Warning | LMK | Larue, Nelson, Spencer | 57 min |
| Jul 6, 6:03 PM EDT | Severe Thunderstorm Warning | LMK | Shelby | 57 min |
| Jul 6, 6:12 PM EDT | Severe Thunderstorm Warning | LMK | Anderson, Mercer, Woodford | 63 min |
| Jul 6, 6:12 PM EDT | Severe Thunderstorm Warning | LMK | Franklin, Scott | 63 min |
| Jul 6, 6:26 PM EDT | Severe Thunderstorm Warning | LMK | Marion, Taylor, Washington | 64 min |
| Jul 6, 6:30 PM EDT | Severe Thunderstorm Warning | LMK | Bourbon, Clark, Fayette, Harrison | 90 min |
| Jul 6, 6:30 PM EDT | Severe Thunderstorm Warning | LMK | Garrard, Jessamine | 90 min |
| Jul 6, 6:30 PM EDT | Severe Thunderstorm Warning | LMK | Boyle | 90 min |
| Jul 6, 6:55 PM EDT | Severe Thunderstorm Warning | LMK | Bath, Montgomery, Nicholas, Robertson | 65 min |
| Jul 6, 6:55 PM EDT | Severe Thunderstorm Warning | LMK | Estill, Powell | 65 min |
| Jul 6, 6:55 PM EDT | Severe Thunderstorm Warning | LMK | Madison | 65 min |
| Jul 6, 7:30 PM EDT | Severe Thunderstorm Warning | LMK | Adair, Green | 60 min |
| Jul 6, 7:37 PM EDT | Severe Thunderstorm Warning | LMK | Casey, Taylor | 53 min |
| Jul 6, 7:45 PM EDT | Severe Thunderstorm Warning | LMK | Fleming, Rowan | 60 min |
| Jul 6, 7:52 PM EDT | Tornado Warning | LMK | Lincoln | 53 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.