Alert archive / Kentucky / Tornado Watches in 1998
Tornado Watch 207
The Storm Prediction Center issued this tornado watch at Apr 13, 1998, 10:00 PM CDT for Gallatin County, Hardin County, Illinois; 24 counties in Kentucky; 18 counties in Tennessee. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 1998, 10:00 PM CDT (03:00 UTC)
- Expired
- Apr 14, 1998, 2:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 44 counties
Gallatin County, IL, Hardin County, IL, Breckinridge County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Graves County, KY, Grayson County, KY, Hancock County, KY, Henderson County, KY, Hopkins County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McLean County, KY, Muhlenberg County, KY, Ohio County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Benton County, TN, Carroll County, TN, Cheatham County, TN, Crockett County, TN, Decatur County, TN, Dickson County, TN, Gibson County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Madison County, TN, Montgomery County, TN, Perry County, TN, Robertson County, TN, Stewart County, TN, Weakley County, TN
The radar
The Ft Campbell radar (KHPX), 65 km from the middle of the area, began a volume at 03:04 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.
Warnings issued inside it
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 10:03 PM CDT | Severe Thunderstorm Warning | PAH | Graves, McCracken | 42 min |
| Apr 13, 10:06 PM CDT | Severe Thunderstorm Warning | PAH | Lyon | 39 min |
| Apr 13, 10:42 PM CDT | Severe Thunderstorm Warning | PAH | Graves | 48 min |
| Apr 13, 10:58 PM CDT | Severe Thunderstorm Warning | PAH | Lyon, Trigg | 32 min |
| Apr 13, 11:22 PM CDT | Severe Thunderstorm Warning | PAH | Calloway, Marshall | 38 min |
| Apr 13, 11:38 PM CDT | Severe Thunderstorm Warning | OHX | Stewart | 47 min |
| Apr 13, 11:49 PM CDT | Severe Thunderstorm Warning | LMK | Logan | 26 min |
| Apr 14, 12:07 AM CDT | Severe Thunderstorm Warning | OHX | Houston, Montgomery | 43 min |
| Apr 14, 12:07 AM CDT | Severe Thunderstorm Warning | OHX | Benton | 43 min |
| Apr 14, 12:10 AM CDT | Severe Thunderstorm Warning | MEG | Weakley | 45 min |
| Apr 14, 12:31 AM CDT | Severe Thunderstorm Warning | MEG | Carroll, Henry | 64 min |
| Apr 14, 12:52 AM CDT | Severe Thunderstorm Warning | MEG | Gibson | 48 min |
| Apr 14, 12:52 AM CDT | Severe Thunderstorm Warning | OHX | Houston, Stewart | 33 min |
| Apr 14, 12:58 AM CDT | Severe Thunderstorm Warning | OHX | Benton | 47 min |
| Apr 14, 1:23 AM CDT | Severe Thunderstorm Warning | OHX | Dickson, Humphreys, Montgomery | 62 min |
| Apr 14, 1:46 AM CDT | Severe Thunderstorm Warning | OHX | Cheatham | 49 min |
| Apr 14, 1:53 AM CDT | Severe Thunderstorm Warning | OHX | Robertson | 47 min |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 3.0 hours before the alert went out and 130 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
- 1788 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 254 m²/s²
- 0-3 km storm-relative helicity
- 466 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
927 WWUS9 KMKC 140236 SEL7 MKC WW 140236 KYZ000-TNZ000-140700- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 207 STORM PREDICTION CENTER NORMAN OK 936 PM CDT MON APR 13 1998 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF WESTERN AND CENTRAL KENTUCKY WESTERN AND MIDDLE TENNESSEE EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 1000 PM UNTIL 200 AM CDT. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES EAST OF JACKSON TENNESSEE TO 15 MILES NORTH NORTHEAST OF OWENSBORO KENTUCKY. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION... CONTINUE...WW 206... DISCUSSION...BAND OF STRONG/SEVERE THUNDERSTORMS IS MOVING INTO WESTERN KENTUCKY...WITH ADDITIONAL STORMS EXTENDING INTO SOUTHEAST MISSOURI. VAD WIND PROFILES IN THE REGION SHOW STRONG WINDS THAT VEER AND INCREASE WITH HEIGHT CREATING VERY FAVORABLE SHEAR AND HELICITY FOR POSSIBLE SUPERCELLS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION VECTOR 25045. ...WEISS 353,0891 375,0880 375,0855 353,0870
Nearby
Tornado Watches in Kentucky, 1998Tornado Watches in Tennessee, 1998Tornado Watches in Illinois, 1998Every tornado watch 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.