Alert archive / Kentucky / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 49, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Aug 29, 1989, 8:26 PM EDT for Boone County, Kentucky. It was in force for 64 min. 1 report 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
- Aug 29, 1989, 8:26 PM EDT (00:26 UTC)
- Expired
- Aug 29, 1989, 9:30 PM EDT
- In force
- 64 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Boone 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 |
|---|---|---|---|
| Aug 29, 9:15 PM EDT | Thunderstorm Wind 0 | Boone, 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
Dayton/James M C, OH (KDAY), launched 00:00Z, 0.4 hours before the alert went out and 113 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
- 1181 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 771 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 2.7
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, Aug 29, 4:47 PM EDT, 3 hours 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 444 PM EDT TUE AUG 29 1989 AT 435 PM EDT AN ISOLATED THUNDERSTORM NEAR THE KENTUCKY RIVER WAS HEADED TOWARD WESTERN OWEN AND GALLATIN COUNTIES OF KENTUCKY. WEATHER SERVICE RADAR SHOWED THE THUNDERSTORM NORTH OF NEW CASTLE ALONG THE KENTUCKY RIVER. THIS STORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...GUSTY WIND... SMALL HAIL AND DANGEROUS LIGHTNING. PEOPLE JUST WEST tOF OWETON AND JUST SOUTH CARROLLTON KENTUCKY CAN EXPECT THUNDERSTORM ACTIVITY BETWEEN 5 PM EDT AND 530 PM EDT. SAM
Special weather statement, Aug 29, 5:29 PM EDT, 2 hours 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 525 PM EDT TUE AUG 29 1989 ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN AND GUSTY WINDS WERE MOVING INTO WESTERN GALLATIN COUNTY KENTUCKY AT 520 PM EDT. AT 515 PM EDT KENTUCKY STATE POLICE IN LA GRANGE REPORTED VERY HEAVY RAIN JUST NORTH OF OWEN COUNTY KENTUCKY. AS THESE THUNDERSTORMS CONTINUE TO MOVE NORTHEAST INTO GALLATIN COUNTY KENTUCKY AND SWITZERLAND COUNTY OF SOUTHEAST INDIANA... PEOPLE IN VEVAY INDIANA AND WARSAW KENTUCKY CAN EXPECT THUNDERSTORMS FROM 530 PM EDT UNTIL AFTER 6 PM EDT. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY HEAVY DOWNPOURS... DANGEROUS LIGHTNING...SMALL HAILL AND WIND SPEEDS UP TO 35 TO 40 MPH. SAM
Special weather statement, Aug 29, 6:27 PM EDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 623 PM EDT TUE AUG 29 1989 ISOLATED THUNDERSTORMS WERE DEVELOPING IN SOUTHEAST INDIANA AND SOUTHWEST OHIO AT 615 PM EDT. ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN AND DANGEROUS LIGHTNING WERE DEVELOPING NEAR OSGOOD TO LAWRENCEBURG INDIANA AND MIDDLETOWN OHIO AT 620 PM EDT. THE ISOLATED THUNDERSTORMS IN SOUTHEAST INDIANA AND SOUTHWEST OHIO WERE DEVELOPING AHEAD OF MUCH LARGER SHOWER AND THUNDERSTORM AREA... THAT EXTENDED JUST NORTH OF INDIANAPOLIS TO MUNCIE INDIANA. PEOPLE IN THE RIPLEY AND DEARBORN COUNTIES OF INDIANA AND PEOPLE IN BUTLER COUNTY OHIO CAN EXPECT VERY HEAVY DOWNPOURS...GUSTY WINDS TO 35 MPH AND DANGEROUS LIGHTNING STRIKES DURING THIS EVENING. SAM
Special weather statement, Aug 29, 8:12 PM EDT, 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 809 PM EDT TUE AUG 29 1989 THE SEVERE THUNDERSTORM WARNING ISSUED FOR CLINTON COUNTY OHIO WILL EXPIRE AT 815 PM EDT. AT 805 PM EDT WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS FROM VERSAILLES INDIANA THROUGH THE CINCINNATI AREA TO WILIMGTON OHIO. VERSAILLES INDIANA STATE POLICE REPORTED MARBLE SIZE HAIL IN THE VERSAILLES AREA AT 802 PM EDT. WILIMGTON OOHIO STATE POLICE REPORTED POWER OUTAGES ALONG THE WARREN-CLINTON COUNTY LINE JUST BEFORE 8 PM EDT. THUNDERSTORM ACTIVITY WILL CONTINUE IN SOUTHEAST INDIANA... SOUTHWEST OHIO AND NORTHERN KENTUCKY UNTIL 930 PM EDT. SAM
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 8:40 PM EDT | Flash Flood Warning | ILN | Butler, Hamilton | 2 hr |
| Aug 29, 9:08 PM EDT | Flash Flood Warning | ILN | Warren | 2 hr |
Nearby
Severe Thunderstorm Warnings in Kentucky, 1989Every severe thunderstorm warning in 1989
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.