Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 113, NWS Paducah, KY

May 21, 1998Hopkins County, Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at May 21, 1998, 4:53 PM CDT for Hopkins County, Kentucky. It was in force for 37 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: May 21, 1998, 4:53 PM CDT (21:53 UTC)
Expired: May 21, 1998, 5:30 PM CDT
In force: 37 min
Issued by: NWS Paducah, KY
Area: Whole counties

County Hopkins County, KY

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 21, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.9 hours before the alert went out and 156 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1382 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 1095 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 139 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPAH 212153 RRA
SVRPAH
KYC107-212230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
453 PM CDT THU MAY 21 1998

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HOPKINS COUNTY IN WESTERN KENTUCKY

* UNTIL 530 PM CDT

* AT 410 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM DIXON TO PROVIDENCE TO
  FARMERSVILLE...MOVING SOUTHEAST AT 35 MPH.

* THE LINE OF SEVERE THUNDERSTORMS WILL BE NEAR...
  MADISONVILLE BY 510 PM

THE PRIMARY THREAT POSED BY THIS LINE OF THUNDERSTORMS IS DAMAGING
WIND. QUICKLY SEEK SAFETY IN A STURDY BUILDING AND STAY AWAY FROM
WINDOWS. DvO NOT REMAIN OUTDOORS. HIGH-PROFILE VEHICLES ARE
ESPECIALLY SUSCEPTIBLE TO STRONG WINDS AND MAY BE BLOWN OFF THE
ROAD.

KEYSOR

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 Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at May 21, 1:15 PM CDT, 3 hours 38 minutes earlier.

Area forecast discussion, May 21, 1:15 PM CDT, 3 hours 38 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
115 PM CDT THU MAY 21 1998

PROBLEM/IRRITANT OF THE DAY IS PLACEMENT OF THUNDERSTORMS THROUGH
EVENING HOURS AND RESULATANT EFFECT ON EVERYTHING ELSE.

CURRENT COMPLEX MOVING PAST KSTL HEADING SOUTHEAST AROUND 40 MPH AND
BUILDING SOUTHWARD. BASED ON ADAP LIFTED INDICIES AND AMOUNT OF
INSOLATION SOUTH OF FRONT...THIS COMPLEX SHOULD BUILD INTO SOUTH
CENTRAL MISSOURI.  IR SAT LOOP SEEMS TO INDICATE THIS MAY BE
OCCURRING.  STORMS SHOULD BE IMPACTING S IL/SEMO AFTER 3 PM AND
SHOULD REACH TO NEAR KPAH BY 430-530 PM. BASE DON AMOUNT OF
INSTABILITY AND TIMING OF SYSTEM STORMS COULD TAKE AWHILE TO
DECREASE ACROSS W KY. COULD END FAIRLY EARLY ACROSS S IL AND SEMO.
WILL SUGGEST LIKELY OR BETTER POPS BASED ON LAST MINUTE RADAR
CHECKS PRIOR TO PRESS TIME.

SOME DIFFERENCES IN GUIDANCE TEMPS THRU PERIOD WITH FWC THE WARM SET
AS USUAL.  WILL SUGGEST A BLEND.

SDB

In the hours before

Local storm report, May 21, 4:18 PM CDT, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
418 PM CDT THU MAY 21 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0412 PM    BOAZ                      IL   WIND DAMAGE
05/21/98   MASSAC                         POWER LINES DOWN

0415 PM    COLDWATER                 MO   1.75 INCH HAIL
05/21/98   WAYNE

Local storm report, May 21, 4:18 PM CDT, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
418 PM CDT THU MAY 21 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0412 PM    BOAZ                      IL   WIND DAMAGE
05/21/98   MASSAC                         POWER LINES DOWN

0415 PM    COLDWATER                 MO   1.75 INCH HAIL
05/21/98   WAYNE

Local storm report, May 21, 4:33 PM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
433 PM CDT THU MAY 21 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0429 PM    SALEM                     KY   WIND DAMAGE
05/21/98   LIVINGSTON                     TREES DOWN

0430 PM    HENSHAW                   KY   WIND DAMAGE
05/21/98   UNION                          1 TREE DOWN

0431 PM    LUSK                      MO   .5 INCH HAIL
05/21/98   SCOTT

Local storm report, May 21, 4:37 PM CDT, 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
437 PM CDT THU MAY 21 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0436 PM    PADUCAH                   KY   WIND DAMAGE
05/21/98   MCCRACKEN                      TREES DOWN

Local storm report, May 21, 4:38 PM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
438 PM CDT THU MAY 21 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0430 PM    WEST PADUCAH              KY   52 MPH TSTM GUST
05/21/98   MCCRACKEN                      MEASURED BY NWS EMPLOYEE

Local storm report, May 21, 4:43 PM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
443 PM CDT THU MAY 21 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0442 PM    LUSK                      MO   1 INCH HAIL
05/21/98   SCOTT

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 21, 4:17 PM CDT	Severe Thunderstorm Warning	PAH	Ballard, McCracken	48 min
May 21, 4:17 PM CDT	Severe Thunderstorm Warning	PAH	Livingston	48 min
May 21, 4:24 PM CDT	Severe Thunderstorm Warning	PAH	Graves, Marshall	36 min
May 21, 4:24 PM CDT	Severe Thunderstorm Warning	PAH	Carlisle	36 min
May 21, 4:37 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Crittenden, Lyon, Webster	33 min
May 21, 4:37 PM CDT	Severe Thunderstorm Warning	PAH	Union	33 min
May 21, 5:09 PM CDT	Severe Thunderstorm Warning	PAH	Christian, Muhlenberg, Trigg	51 min
May 21, 5:15 PM CDT	Severe Thunderstorm Warning	PAH	Fulton, Hickman	45 min
May 21, 5:15 PM CDT	Severe Thunderstorm Warning	PAH	Calloway, Graves	45 min
May 21, 5:48 PM CDT	Severe Thunderstorm Warning	PAH	Todd	27 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1998 Every 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.