Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 221, NWS Paducah, KY

June 14, 1998Graves County, Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at Jun 14, 1998, 7:55 PM CDT for Graves County, Kentucky. It was in force for 35 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: Jun 14, 1998, 7:55 PM CDT (00:55 UTC)
Expired: Jun 14, 1998, 8:30 PM CDT
In force: 35 min
Issued by: NWS Paducah, KY
Area: Whole counties

County Graves 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
Jun 14, 3:00 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.9 hours before the alert went out and 195 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: 3344 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 936 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 451 m²/s²
0-3 km storm-relative helicity: 509 m²/s²
Significant tornado parameter: 11.0
Supercell composite: 67.6

Open this sounding in Storm Lab

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 Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 14, 1:27 PM CDT, 6 hours 28 minutes earlier.

Area forecast discussion, Jun 14, 1:27 PM CDT, 6 hours 28 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
125 PM CDT SAT JUN 13 1998

...ROUGH EVENING WEATHER AHEAD...
ALONG WITH POSSIBLE SEVERE ALSO CONTINUE FFW....

STRONG STORM PARAMTERS ARE INDICATED WITH THE ETA MODEL INTO THE
EVENING HOURS ACROSS FA.  14/17Z ADAP DATA VERIFIES THIS SOLUTION
WITH STRONG SURFACE MOISTURE CONVERGENCE...LI'S...CAP STRENGTH...ET AL.
ALONG SURFACE BOUNDARY MOVING EAST THROUGH MISSOURI.

ETA MODEL STABILIZES ATMOSHPERE WITH PASSAGE OF THIS BOUNDARY
TONIGHT...FIRST ACROSS SOUTHEAST MISSOURI (EARLY EVENING) AND FINALLY
SOUTHWEST INDIANA/WEST KENTUCKY UNTIL SHORTLY AFTER MIDNIGHT.  PREFER
SOME TYPE OF CATEGORICAL WORDING REFLECTING THIS TIMING.

ALSO WITH LOW FLASH FLOOD GUIDANCE (FFG)...WOULD LIKE TO CONTINUE FFW
FOR FORECAST AREA (FA).  SEMO COUNTIES AWAY FROM MISSISSIPPI RIVER ARE
THE BEST BET TO BE EXEMPTED FROM FF DUE TO SLIGHTLY HIGHER FFG NUMBERS
AND BETTER CHANCE STORMS WILL BE EAST OF THOSE SPOTS BY ZONE VALID TIME.

CHANCE POPS IN ZONE TOMORROW ARE OK.  ETA LI'S REMAIN HIGH AND VORTICITY
IS STRONGER ACROSS FA THAN WITH THIS IMMEDIATE WAVE.  LIMITING FACTORS
INCLUDE...DRY AIR INFILTRATES INTO REGION (ESPECIALLY SOUTH 1/2 OF FA)
WITH MID TROP WARMING NOTED ALSO ON UPSTREAM 14/12Z SOUNDINGS.

FAN VALUES APPEAR TOO COOL FOR HIGHS ON MONDAY.  FAN/FWC CLOSE FOR
TONIGHT...IN THE MID 60S.  WITH MORE CLOUDS LIKELY IN NORTH 1/2 OF FA
(10-85H MEAN RH ABOVE 70%)...LIKE 75 TO 80.  80 TO~ 85 GOOD FOR SOUTH
1/2 OF FA.

PAUL W

In the hours before

Local storm report, Jun 14, 6:09 PM CDT, 1 hour 46 minutes before

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Local storm report, Jun 14, 6:09 PM CDT, 1 hour 46 minutes before

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Local storm report, Jun 14, 6:14 PM CDT, 1 hour 41 minutes before

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Special weather statement, Jun 14, 6:28 PM CDT, 1 hour 27 minutes before

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Local storm report, Jun 14, 6:37 PM CDT, 1 hour 18 minutes before

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Local storm report, Jun 14, 6:50 PM CDT, 1 hour 5 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 7:01 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Hopkins	59 min
Jun 14, 7:06 PM CDT	Severe Thunderstorm Warning	PAH	Henderson	54 min
Jun 14, 7:13 PM CDT	Severe Thunderstorm Warning	PAH	Fulton	62 min
Jun 14, 7:16 PM CDT	Severe Thunderstorm Warning	PAH	McLean, Muhlenberg	59 min
Jun 14, 7:16 PM CDT	Severe Thunderstorm Warning	PAH	Daviess	59 min
Jun 14, 7:49 PM CDT	Severe Thunderstorm Warning	PAH	Christian, Todd	56 min
Jun 14, 7:55 PM CDT	Severe Thunderstorm Warning	PAH	Graves	45 min
Jun 14, 8:01 PM CDT	Tornado Warning	PAH	Muhlenberg	49 min
Jun 14, 8:12 PM CDT	Severe Thunderstorm Warning	PAH	Calloway	48 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.