Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 1, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Feb 17, 1998, 12:58 PM EST for Lewis County, Kentucky. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 17, 1998, 12:58 PM EST (17:58 UTC)
- Expired
- Feb 17, 1998, 1:45 PM EST
- In force
- 47 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Lewis County, KY
The radar
The Jackson,KY radar (KJKL), 105 km from the middle of the area, began a volume at 18:00 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.0 hours before the alert went out and 106 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
- 606 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 424 m²/s²
- 0-3 km storm-relative helicity
- 489 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.
NWS Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 17, 9:45 AM EST, 3 hours 13 minutes earlier.
Area forecast discussion, Feb 17, 9:45 AM EST, 3 hours 13 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 945 AM EST TUE FEB 17 1998 14Z SFC ANLYS SHWG LOW PRES CNTRD OVR BOOTHEEL OF MO WITH FNTL BNDRY XTNDG E ALG TN/KY BORDER. BROAD AREA OF MAINLY LGT PCPN CRNTLY PUSHG N ACRS FA WITH BACK EDGE JUST INTO NRN KY CNTYS. MAY SEE SOME PEEKS OF SUN ACRS FAR SRN FA AS VSBL SAT PIX SHWG SOME DECENT CLRG ACRS ERN KY THIS MRNG. CIRCULATION ASCTD WITH VORT SHWG UP NICELY ON REGIONAL RADAR LOOP NEAR BNA WITH LINE OF SHWRS AND TSTMS XTNDG FM CNTRL KY INTO NE TN. AS VORT MAX PIVOTS N THRU THIS AFTN...SHUD SEE SHWRS AND A FEW TSTMS PUSH BACK INTO CWA FM THE S. TSTMS APPEAR TO BE WKNG SOME ON NRN FRINGE OF CRNT ACTVY ACRS KY/TN BUT WITH CLRG OUT AHD OF THIS AND MODIFIED 12Z ILN SNDG GIVING AN ELEVATED (FROM 850 MB) CAPE OF ARND 400 J/KG AND LI OF -2...WL HAV TO KP AN EYE ON THINGS. WBZ AT 8100 FT SO SHUD BE PRETTY EASY TO GET HAIL WITH CONVECTION. TMP FCST IN PRETTY GUD SHAPE WITH HIGHS GNRLY IN THE LOW TO MID 50S. XCPTN MAY BE ACRS FAR SRN FA WHR A LTL SUN MAY PUSH TMPS CLOSE TO 60. LOTT
In the hours before
Special weather statement, Feb 17, 12:55 PM EST, 3 minutes before
OHZ073-074-081-082-088-KYZ099-100-172300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 1255 PM EST TUE FEB 17 1998 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTH CENTRAL OHIO... AN UNSEASONABLY WARM AND UNSTABLE AIRMASS HAS PUSHED INTO EASTERN KENTUCKY AND SOUTH CENTRAL OHIO THIS AFTERNOON. THIS HAS ALLOWED A LINE OF SEVERE THUNDERSTORMS TO DEVELOP OVER NORTHEAST KENTUCKY. THE LINE OF THUNDERSTORMS IS MOVING NORTH AND WILL MOVE INTO SOUTH CENTRAL OHIO THROUGH 3 PM. AS A RESULT...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF SOUTH CENTRAL OHIO. THESE THUNDERSTORMS WILL PRODUCE WIND GUSTS IN EXCESS OF 55 MPH AND HAIL THREE QUARTERS OF AN INCH IN DIAMETER AND GREATER. SOME CITIES IN THE WATCH AREA INCLUDE PORTSMOUTH...WEST UNION... PIKETON...CHILLICOTHE AND LOGAN. PEOPLE IN THE WATCH AREA SHOULD BE PREPARED TO TAKE SHELTER IF THUNDERSTORMS APPROACH. LOTT
Special weather statement, Feb 17, 12:55 PM EST, 3 minutes before
OHZ073-074-081-082-088-KYZ099-100-172300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 1255 PM EST TUE FEB 17 1998 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTH CENTRAL OHIO... AN UNSEASONABLY WARM AND UNSTABLE AIRMASS HAS PUSHED INTO EASTERN KENTUCKY AND SOUTH CENTRAL OHIO THIS AFTERNOON. THIS HAS ALLOWED A LINE OF SEVERE THUNDERSTORMS TO DEVELOP OVER NORTHEAST KENTUCKY. THE LINE OF THUNDERSTORMS IS MOVING NORTH AND WILL MOVE INTO SOUTH CENTRAL OHIO THROUGH 3 PM. AS A RESULT...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF SOUTH CENTRAL OHIO. THESE THUNDERSTORMS WILL PRODUCE WIND GUSTS IN EXCESS OF 55 MPH AND HAIL THREE QUARTERS OF AN INCH IN DIAMETER AND GREATER. SOME CITIES IN THE WATCH AREA INCLUDE PORTSMOUTH...WEST UNION... PIKETON...CHILLICOTHE AND LOGAN. PEOPLE IN THE WATCH AREA SHOULD BE PREPARED TO TAKE SHELTER IF THUNDERSTORMS APPROACH. LOTT
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 1:20 PM EST | Severe Thunderstorm Warning | ILN | Scioto | 30 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 1998Every severe thunderstorm warning in 1998
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; radar from the NEXRAD Level II archive.