Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 9, NWS Paducah, KY

April 9, 2021Butler County, Carter County, Wayne County, Missouri

NWS Paducah, KY issued this severe thunderstorm warning at Apr 9, 2021, 4:27 PM CDT for Butler County, Carter County, Wayne County, Missouri. It was in force for 48 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
Apr 9, 2021, 4:27 PM CDT (21:27 UTC)
Expired
Apr 9, 2021, 5:15 PM CDT
In force
48 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Butler County, MO, Carter County, MO, Wayne County, MO

The radar

The Paducah radar (KPAH), 177 km from the middle of the area, began a volume at 21:30 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
Apr 9, 4:37 PM CDTHAIL 1Ellsinore, MOCOVERING THE GROUND.
Apr 9, 4:47 PM CDTHAIL 13 W Ellsinore, MO

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

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.5 hours before the alert went out and 254 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, Little Rock, AR at 12:00Z on 2021-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Little Rock, AR at 12:00Z on 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2139 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

242 
WUUS53 KPAH 092127
SVRPAH
MOC023-035-223-092215-
/O.NEW.KPAH.SV.W.0009.210409T2127Z-210409T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
427 PM CDT Fri Apr 9 2021

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  Eastern Carter County in southeastern Missouri...
  Southwestern Wayne County in southeastern Missouri...
  Northwestern Butler County in southeastern Missouri...

* Until 515 PM CDT.

* At 426 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles south of Piedmont to near Hunter, moving
  east at 20 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...
  Greenville, Ellsinore, Williamsville, Hunter, Brush Arbor, Grandin
  and Mill Spring.

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.

If on or near lake Wappapello, get away from the water and move 
indoors or inside a vehicle. Remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

&&

LAT...LON 3705 9083 3705 9078 3709 9078 3711 9076
      3713 9037 3682 9061 3683 9116
TIME...MOT...LOC 2126Z 270DEG 16KT 3704 9071 3684 9088 

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

SMITH
2 follow-up statements
431 
WWUS53 KPAH 092140
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
440 PM CDT Fri Apr 9 2021

MOC023-035-223-092215-
/O.CON.KPAH.SV.W.0009.000000T0000Z-210409T2215Z/
Carter MO-Wayne MO-Butler MO-
440 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR EASTERN CARTER...SOUTHWESTERN WAYNE AND NORTHWESTERN BUTLER
COUNTIES...

At 438 PM CDT, severe thunderstorms were located along a line
extending from 7 miles northwest of Williamsville to near Hunter, 
moving east at 20 mph. At 437 pm, a spotter reported quarter size 
hail covering the ground in Ellsinore.

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

SOURCE...Trained weather spotters.

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

Locations impacted include...
Greenville, Ellsinore, Williamsville, Hunter, Brush Arbor, Grandin
and Mill Spring.

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.

If on or near Lake Wappapello, get away from the water and move 
indoors or inside a vehicle. remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

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

&&

LAT...LON 3705 9083 3705 9078 3709 9078 3711 9076
      3713 9037 3682 9061 3683 9116
TIME...MOT...LOC 2138Z 270DEG 16KT 3704 9064 3684 9082 

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

SMITH
337 
WWUS53 KPAH 092208
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
508 PM CDT Fri Apr 9 2021

MOC023-035-223-092215-
/O.CON.KPAH.SV.W.0009.000000T0000Z-210409T2215Z/
Carter MO-Wayne MO-Butler MO-
508 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR EASTERN CARTER...SOUTHWESTERN WAYNE AND NORTHWESTERN BUTLER
COUNTIES...

At 507 PM CDT, severe thunderstorms were located along a line 
extending from near Garwood to near Hunter, moving east at 25 mph. 
This severe thunderstorm warning is being replaced by a severe 
thunderstorm warning that cover the same area until 6 pm. 

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

SOURCE...Trained weather spotters.

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

Locations impacted include...
Ellsinore, Williamsville, Hunter, Brush Arbor, Grandin and Mill
Spring.

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.

If on or near Lake Wappapello, get away from the water and move 
indoors or inside a vehicle. remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

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

&&

LAT...LON 3704 9084 3705 9078 3709 9078 3711 9076
      3707 9052 3690 9055 3682 9061 3683 9091
      3698 9094
TIME...MOT...LOC 2207Z 249DEG 21KT 3702 9082 3685 9080 

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

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 3:45 PM CDTSpecial Weather StatementPAHWayne30 min
Apr 9, 4:01 PM CDTSpecial Weather StatementPAHRipley44 min
Apr 9, 4:16 PM CDTSpecial Weather StatementPAHCarter44 min
Apr 9, 4:22 PM CDTSevere Thunderstorm WarningPAHRipley38 min
Apr 9, 4:30 PM CDTSevere Thunderstorm WarningPAHRipley30 min
Apr 9, 4:49 PM CDTSevere Thunderstorm WarningPAHButler, New Madrid, Stoddard41 min
Apr 9, 4:57 PM CDTSevere Thunderstorm WarningPAHWayne33 min
Apr 9, 5:03 PM CDTSevere Thunderstorm WarningPAHButler, Carter, Ripley, Wayne22 min
Apr 9, 5:49 PM CDTSpecial Weather StatementPAHScott, Stoddard41 min
Apr 9, 6:26 PM CDTSpecial Weather StatementPAHPerry34 min

Nearby

Severe Thunderstorm Warnings in Missouri, 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.