Alert archive / Kentucky / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 15, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Mar 12, 1986, 4:00 AM CST for Edmonson County, Grayson County, Hart County, Kentucky. It was in force for 30 min. 4 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
- Mar 12, 1986, 4:00 AM CST (10:00 UTC)
- Expired
- Mar 12, 1986, 4:30 AM CST
- In force
- 30 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
Counties Edmonson County, KY, Grayson County, KY, Hart 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 |
|---|---|---|---|
| Mar 12, 4:00 AM CST | Thunderstorm Wind 0 | Grayson, KY | |
| Mar 12, 4:05 AM CST | Thunderstorm Wind 0 | Edmonson, KY | |
| Mar 12, 4:15 AM CST | Thunderstorm Wind 0 | Hart, KY | |
| Mar 12, 4:15 AM CST | Thunderstorm Wind 0 | Grayson, 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
Nashville Metro, TN (KBNA), launched 00:00Z, 10.0 hours before the alert went out and 138 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1997 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Mar 11, 11:43 PM CST, 4 hours 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 1140 PM CST TUE MAR 11 1986 ...STRONG THUNDERSTORMS IN FAR WEST KENTUCKY... AT 11 30 PM CENTRAL TIME STRONG THUNDERSTORMS WERE OCCURRING OVER FAR WEST KENTUCKY FROM NEAR MAYFIELD SOUTHWEST THROUGH HICKMAN IN FULTON COUNTY THEN SOUTH INTO TENNESSEE. STRONG GUSTY WINDS AND HAIL ARE LIKELY WITH THESE STORMS. MARBLE SIZED HAIL HAS BEEN REPORTED BY STATE POLICE IN MAYFIELD FROM THESE STORMS. TO THE SOUTH IN TENNESSEE HAIL THE SIZE OF GULF BALLS HAS BEEN OBSERVED. THESE STORMS WERE ALL MOVING RAPIDLY TO THE NORTHEAST AND VERY STRONG STORMS IN TENNESSEE WILL LIKELY BE MOVING NORTH INTO KENTUCKY BEFORE 2 AM CENTRAL TIME. PERSONS IN WEST KENTUCKY ARE ADVISED TO STAY ALERT AND BE PREPARED TO SEEK SHELTER IF THE WEATHER BECOMES UNUSUALLY THREATENING. SCHOLZ
Special weather statement, Mar 12, 3:23 AM CST, 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 420 AM EST WED MAR 12 1986 STRONG THUNDERSTORMS MOVE THROUGH KENTUCKY AT 4AM EST..3AM CST STRONG THUNDERSTORMS HAVE CONTINUED TO PRODUCE HAIL..STRONG WINDS AND DANGAEROUS LIGHTENING OVER WEST KENTUCKY. A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR MUHLENBURG..OHIO.. LOGAN..BUTLER AND TODD COUNTIES OF SOUTHCENTRAL KENTUCKY UNTIL 330 AM CST THIS WEDNESDAY MORNING. OTHER THUNDERSTORMS HAVE MOVED INTO CENTRAL KENTUCKY AND RAIN HAD SPREAD AS FAR EAST AS LEXINGTON. TEMPERATURES WERE MOSTLY IN THE 40S AND THE WIND WAS FROM THE EAST AT 10 TO 20 MILES AN HOUR WITH HIGHER GUSTS IN THE THUNDERSTORMS. PERSONS IN WEST KENT$UCKY ARE ADVISED TO STAY ALERT AND BE PREPARED TO SEEK SHELTER IF THE WEATHER BECOMES UNUSUALLY THREATENING. < THE REMAINDER OF KENTUCKY CAN EXPECT SHOWERS AND THUNDERSTORMS TO BECOME MORE NUMEROUS LATER THIS MORNING. KLEIN
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 12:05 AM CST | Severe Thunderstorm Warning | LMK | Calloway, Graves | 60 min |
| Mar 12, 3:03 AM CST | Severe Thunderstorm Warning | LMK | Logan, Muhlenberg, Todd | 27 min |
| Mar 12, 3:03 AM CST | Severe Thunderstorm Warning | LMK | Butler | 27 min |
| Mar 12, 3:28 AM CST | Severe Thunderstorm Warning | LMK | Simpson, Warren | 32 min |
| Mar 12, 4:15 AM CST | Severe Thunderstorm Warning | LMK | Bullitt, Hardin, Meade | 60 min |
| Mar 12, 4:42 AM CST | Tornado Warning | LMK | Bullitt, Nelson | 58 min |
| Mar 12, 5:40 AM CST | Severe Thunderstorm Warning | LMK | Anderson, Franklin, Woodford | 60 min |
| Mar 12, 6:25 AM CST | Severe Thunderstorm Warning | LMK | Bourbon, Nicholas | 35 min |
| Mar 12, 6:25 AM CST | Severe Thunderstorm Warning | LMK | Fleming | 35 min |
| Mar 12, 6:25 AM CST | Tornado Warning | LMK | Bourbon, Fleming, Nicholas | 35 min |
| Mar 12, 7:00 AM CST | Tornado Warning | LMK | Fayette | 30 min |
| Mar 12, 7:00 AM CST | Tornado Warning | LMK | Fleming | 30 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 1986Every severe thunderstorm warning in 1986
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.