Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 23, NWS Louisville, KY

May 4, 2021Edmonson County, Warren County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at May 4, 2021, 12:12 AM CDT for Edmonson County, Warren County, Kentucky. It was in force for 33 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 4, 2021, 12:12 AM CDT (05:12 UTC)
Expired
May 4, 2021, 12:45 AM CDT
In force
33 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Edmonson County, KY, Warren County, KY

The radar

The Ft Campbell radar (KHPX), 83 km from the middle of the area, began a volume at 05:15 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.

What was reported inside it

TimeReportWhereRemark
May 4, 12:17 AM CDTHAIL 12 Nw Bowling Green, KYTRAINED SPOTTER REPORTED QUARTER SIZE HAIL IN BOWLING GREEN ONGOING.
May 4, 12:26 AM CDTHAIL 1.25Plum Springs, KYTRAINED SPOTTER REPORTED QUARTER SIZE AND SOME LARGER HAIL STONES ONGOING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 5.2 hours before the alert went out and 99 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 00:00Z on 2021-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2263 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2021-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.19395878Sfc1 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
2263 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1050 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
1.3
Supercell composite
7.6

Open this sounding in Storm Lab

The text

As transmitted.

290 
WUUS53 KLMK 040512
SVRLMK
KYC061-227-040545-
/O.NEW.KLMK.SV.W.0023.210504T0512Z-210504T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
1212 AM CDT Tue May 4 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Central Warren County in south central Kentucky...
  Southwestern Edmonson County in south central Kentucky...

* Until 1245 AM CDT.

* At 1211 AM CDT, a severe thunderstorm was located over Bowling
  Green, moving northeast at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Bowling Green, Plum Springs, Crestmoor, Memphis Junction, Mount
  Victor, Smiths Grove, Oakland, Barren River, Bristow and Girkin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3692 8647 3700 8660 3717 8636 3702 8615
TIME...MOT...LOC 0511Z 238DEG 26KT 3700 8646 

HAIL...1.00IN
WIND...60MPH
 
$$

JML
2 follow-up statements
616 
WWUS53 KLMK 040529
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
1229 AM CDT Tue May 4 2021

KYC061-227-040545-
/O.CON.KLMK.SV.W.0023.000000T0000Z-210504T0545Z/
Warren KY-Edmonson KY-
1229 AM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR CENTRAL WARREN AND SOUTHWESTERN EDMONSON COUNTIES...

At 1228 AM CDT, a severe thunderstorm was located near Plum Springs, 
moving northeast at 30 mph. Quarter size and larger hail has been 
reported with this storm.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Bowling Green, Plum Springs, Mount Victor, Smiths Grove, Oakland,
Bristow, Girkin, Nick, Loving and Tuckertown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3695 8637 3704 8652 3717 8636 3702 8615
TIME...MOT...LOC 0528Z 238DEG 26KT 3707 8632 

HAIL...1.25IN
WIND...60MPH
 
$$

JML
356 
WWUS53 KLMK 040544
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
1244 AM CDT Tue May 4 2021

KYC061-227-040554-
/O.EXP.KLMK.SV.W.0023.000000T0000Z-210504T0545Z/
Warren KY-Edmonson KY-
1244 AM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WARREN AND
SOUTHWESTERN EDMONSON COUNTIES WILL EXPIRE AT 1245 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy rain
and lightning are still possible with this thunderstorm.

LAT...LON 3695 8637 3704 8652 3717 8636 3702 8615
TIME...MOT...LOC 0544Z 238DEG 26KT 3712 8621 

$$

JML

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 12:08 AM CDTSpecial Weather StatementLMKWarren22 min
May 4, 12:26 AM CDTSevere Thunderstorm WarningLMKAllen, Monroe34 min
May 4, 12:45 AM CDTSpecial Weather StatementLMKEdmonson15 min
May 4, 1:32 AM CDTSpecial Weather StatementLMKBarren, Warren43 min
May 4, 1:57 AM CDTSpecial Weather StatementLMKMetcalfe33 min
May 4, 2:15 AM CDTSpecial Weather StatementLMKMonroe30 min
May 4, 2:18 AM CDTSpecial Weather StatementLMKWarren27 min
May 4, 2:43 AM CDTSpecial Weather StatementLMKBarren32 min
May 4, 2:54 AM CDTSpecial Weather StatementLMKButler36 min
May 4, 3:13 AM CDTSevere Thunderstorm WarningLMKBarren, Edmonson, Hart32 min
May 4, 3:22 AM CDTSevere Thunderstorm WarningLMKClinton, Cumberland23 min
May 4, 3:27 AM CDTFlash Flood WarningLMKBarren3 hr
May 4, 3:42 AM CDTSevere Thunderstorm WarningLMKCumberland, Monroe33 min
May 4, 3:47 AM CDTSpecial Weather StatementLMKAdair, Butler, Clinton, Cumberland, Edmonson, Green and 2 more28 min
May 4, 3:55 AM CDTFlash Flood WatchLMKAdair, Allen, Barren, Butler, Casey, Clinton and 13 more22 hr
May 4, 4:06 AM CDTFlash Flood WarningLMKCumberland, Monroe3 hr
May 4, 4:11 AM CDTSpecial Weather StatementLMKButler34 min
May 4, 4:21 AM CDTFlash Flood WarningLMKButler5 hr
May 4, 4:24 AM CDTSpecial Weather StatementLMKEdmonson, Warren36 min
May 4, 4:51 AM CDTFlash Flood WarningLMKEdmonson, Hart3 hr
May 4, 5:03 AM CDTSpecial Weather StatementLMKGreen27 min
May 4, 5:20 AM CDTSpecial Weather StatementLMKAllen, Barren, Logan, Simpson, Warren40 min
May 4, 5:21 AM CDTFlash Flood WarningLMKAdair, Cumberland, Metcalfe3 hr
May 4, 5:49 AM CDTFlash Flood WarningLMKBarren, Edmonson, Metcalfe, Warren3 hr
May 4, 5:54 AM CDTFlash Flood WarningLMKLogan, Simpson, Warren3 hr
May 4, 5:58 AM CDTSpecial Weather StatementLMKAllen, Simpson47 min
May 4, 6:10 AM CDTSevere Thunderstorm WarningLMKAllen, Simpson20 min
May 4, 6:26 AM CDTSpecial Weather StatementLMKBarren, Monroe19 min
May 4, 6:28 AM CDTAreal Flood AdvisoryLMKAllen, Barren, Metcalfe, Monroe3 hr
May 4, 6:43 AM CDTSpecial Weather StatementLMKAllen, Cumberland, Monroe47 min
May 4, 6:51 AM CDTFlash Flood WarningLMKAdair, Barren, Clinton, Cumberland, Metcalfe, Monroe and 1 more6 hr
May 4, 8:46 AM CDTAreal Flood WarningLMKLogan, Simpson, Warren3 hr
May 4, 8:50 AM CDTAreal Flood WarningLMKBarren, Edmonson, Metcalfe, Warren4 hr
May 4, 10:12 AM CDTRiver Flood WarningLMKCumberland, Monroe11 hr
May 4, 1:19 PM CDTRiver Flood WarningLMKButler, Warren4 days
May 4, 1:19 PM CDTRiver Flood WarningLMKButler, Muhlenberg, Ohio5 days
May 4, 5:40 PM CDTSpecial Weather StatementLMKWarren50 min
May 4, 5:48 PM CDTSpecial Weather StatementLMKSpencer27 min
May 4, 6:13 PM CDTSpecial Weather StatementLMKSimpson47 min
May 4, 6:26 PM CDTSpecial Weather StatementLMKEdmonson49 min
May 4, 6:41 PM CDTSpecial Weather StatementLMKButler34 min
May 4, 6:56 PM CDTSpecial Weather StatementLMKButler34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.