Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 21, NWS Paducah, KY

April 28, 2021Calloway County, Marshall County, Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at Apr 28, 2021, 6:24 PM CDT for Calloway County, Marshall 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 outline as issued.

The facts

Issued
Apr 28, 2021, 6:24 PM CDT (23:24 UTC)
Expired
Apr 28, 2021, 7:00 PM CDT
In force
36 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Calloway County, KY, Marshall County, KY

The radar

The Paducah radar (KPAH), 72 km from the middle of the area, began a volume at 23:26 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 watch it was issued in

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

IssuedProductOfficeLasted
Apr 28, 12:40 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.4 hours before the alert went out and 152 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2021-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 180 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
180 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
1121 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

352 
WUUS53 KPAH 282324
SVRPAH
KYC035-157-290000-
/O.NEW.KPAH.SV.W.0021.210428T2324Z-210429T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
624 PM CDT Wed Apr 28 2021

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  Calloway County in western Kentucky...
  Southeastern Marshall County in western Kentucky...

* Until 700 PM CDT.

* At 624 PM CDT, severe thunderstorms were located along a line
  extending from 6 miles southeast of Benton to near Murray, moving
  northeast at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Murray, Hardin, Hazel, Aurora, New Concord and Crossland. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Paducah.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3676 8836 3684 8815 3664 8805 3654 8803
      3651 8804 3650 8805 3650 8841
TIME...MOT...LOC 2324Z 241DEG 36KT 3678 8829 3654 8831 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

SMITH
1 follow-up statement
218 
WWUS53 KPAH 282336
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
636 PM CDT Wed Apr 28 2021

KYC035-157-290000-
/O.CON.KPAH.SV.W.0021.000000T0000Z-210429T0000Z/
Calloway KY-Marshall KY-
636 PM CDT Wed Apr 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR EASTERN CALLOWAY AND SOUTHEASTERN MARSHALL COUNTIES...

At 636 PM CDT, severe thunderstorms were located along a line
extending from 7 miles southwest of Land Between The Lakes Area to 13
miles southwest of Canton to 8 miles east of Murray, moving east at
40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Hazel, Aurora and New Concord. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Paducah.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3677 8829 3684 8815 3664 8805 3654 8803
      3651 8804 3650 8805 3650 8835 3667 8824
TIME...MOT...LOC 2336Z 268DEG 37KT 3678 8819 3668 8815 3658 8818 

HAIL...<.75IN
WIND...60MPH
 
$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 3:56 PM CDTSevere Thunderstorm WarningPAHFulton49 min
Apr 28, 4:29 PM CDTSpecial Weather StatementPAHFulton46 min
Apr 28, 4:33 PM CDTFlash Flood WarningPAHFulton, Hickman95 min
Apr 28, 4:55 PM CDTAreal Flood AdvisoryPAHBallard, Carlisle59 min
Apr 28, 5:18 PM CDTSpecial Weather StatementPAHCarlisle, Graves, Hickman, McCracken42 min
Apr 28, 5:23 PM CDTAreal Flood AdvisoryPAHGraves, McCracken78 min
Apr 28, 5:54 PM CDTSpecial Weather StatementPAHCalloway, Graves, Marshall36 min
Apr 28, 6:05 PM CDTAreal Flood AdvisoryPAHCalloway, Livingston, Marshall93 min
Apr 28, 6:33 PM CDTSpecial Weather StatementPAHLyon27 min
Apr 28, 6:39 PM CDTAreal Flood AdvisoryPAHCaldwell, Lyon, Trigg76 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2021Every severe thunderstorm warning in 2021

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.