Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 282, NWS Paducah, KY

August 11, 1998Henderson County, Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at Aug 11, 1998, 1:39 PM CDT for Henderson County, Kentucky. It was in force for 36 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: Aug 11, 1998, 1:39 PM CDT (18:39 UTC)
Expired: Aug 11, 1998, 2:15 PM CDT
In force: 36 min
Issued by: NWS Paducah, KY
Area: Whole counties

County Henderson County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.7 hours before the alert went out and 204 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: 1589 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 862 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Aug 11, 1:15 PM CDT, 24 minutes earlier.

Area forecast discussion, Aug 11, 1:15 PM CDT, 24 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
115 PM CDT TUE AUG 11 1998

COLD FRONT AND DRY AIR SINKING THROUGH MIDWEST WILL BE MAIN FOCUS
OF TODAYS FORECAST.

AT NOON THE FRONT SEEMED TO BE FROM UIN TO EVV BASED ON SFC MAP/LAPS
DATA. STORMS HAD FORMED ALONG AND CLOSE TO THIS AREA...AND LAPS
INDICATED LIFTED INDICIES TO -10 SOUTH AND WEST OF THE BOUNDARY.
ANOTHER FEATURE TO BE RECKONED WITH WAS A S/W SEEN ON WATER VAPOR
OVER SOUTHERN MISSOURI. ENHANCED WATER VAPOR ALSO SHOWING EXTREME
DRY AIR SINKING SLOWLY SOUTH ACROSS IL/IN NORTH OF FRONT.

THINK THE ETA IS DOING THE BEST JOB REPRESENTING THE WEATHER PICTURE
TODAY. IT SEEMS TO HANDLE THE FRONTAL ORIENTATION AND QPF SEEMS
DECENT. ETA BRINGS FRONT THROUGH REGION OVERNIGHT WITH DRY WEATHER
PREVAILING WEDNESDAY.  PRECIP SHOULD COME TO AN END TONIGHT AS
FRONTAL ACTIVITY DIES OFF AND MISSOURI S/W DRIVES SOUTH INTO TENN.
WILL NEED EVENING POP MOST ZONES...WITH POSSIBLE EXCEPTION BEING MVN
AREA BASED ON MOVEMENT OF CURRENT STORMS/COLD FNT. EXCEPTION ALSO MAY
BE SEMO AND FAR W KY WHERE OVERNIGHT POP MAY BE NEEDED AS STORMS
CLUSTER LATER ON THIS AREA AND PROPAGATE SE.

FWC DID GOOD JOB ON YDAY HIGHS BUT NOT OVERNIGHT LOWS.  FAIRLY WIDE
GAP TODAY BETWEEN FWC/FAN ON HIGHS.  FWC APPARENTLY USING FULL DRY
SUNSHINE TO PUMP UP HIGH TO 93 PAH AND 90 EVV...WHILE FAN MID 80S.
THINK BEST ROUTE WILL BE COMPROMISE.

SDB

In the hours before

Special weather statement, Aug 11, 10:22 AM CDT, 3 hours 17 minutes before

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Special weather statement, Aug 11, 11:00 AM CDT, 2 hours 39 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
Aug 11, 1:39 PM CDT	Severe Thunderstorm Warning	PAH	Henderson	46 min
Aug 11, 6:34 PM CDT	Flash Flood Warning	PAH	Todd	116 min
Aug 10, 7:51 PM CDT	Flash Flood Warning	PAH	Wayne	2 hr
Aug 10, 7:54 PM CDT	Severe Thunderstorm Warning	PAH	Bollinger	51 min
Aug 10, 8:26 PM CDT	Flash Flood Warning	PAH	Bollinger	119 min
Aug 11, 3:48 PM CDT	Severe Thunderstorm Warning	PAH	Perry	42 min
Aug 11, 5:32 PM CDT	Flash Flood Warning	PAH	Wayne	2 hr

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.