Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Paducah, KY

April 9, 20214 counties in Missouri

NWS Paducah, KY issued this severe thunderstorm warning at Apr 9, 2021, 5:03 PM CDT for 4 counties in Missouri. It was in force for 22 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 9, 2021, 5:03 PM CDT (22:03 UTC)
Expired
Apr 9, 2021, 5:25 PM CDT
In force
22 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, Ripley County, MO, Wayne County, MO

The radar

The Paducah radar (KPAH), 178 km from the middle of the area, began a volume at 22:04 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 nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.1 hours before the alert went out and 253 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.

422 
WUUS53 KPAH 092203
SVRPAH
MOC023-035-181-223-092300-
/O.NEW.KPAH.SV.W.0013.210409T2203Z-210409T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
503 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...
  Northeastern Ripley County in southeastern Missouri...
  Southwestern Wayne County in southeastern Missouri...
  Northwestern Butler County in southeastern Missouri...

* Until 600 PM CDT.

* At 503 PM CDT, severe thunderstorms were located along a line
  extending from near Garwood to near Doniphan, moving northeast at
  25 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...
  Piedmont, Ellsinore, Williamsville, Budapest, 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.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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

&&

LAT...LON 3703 9095 3705 9088 3705 9078 3712 9078
      3719 9068 3707 9052 3681 9055 3666 9088
TIME...MOT...LOC 2203Z 211DEG 21KT 3703 9087 3670 9084 

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

SMITH
1 follow-up statement
844 
WWUS53 KPAH 092225
SVSPAH

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

MOC023-035-181-223-092235-
/O.CAN.KPAH.SV.W.0013.000000T0000Z-210409T2300Z/
Carter MO-Ripley MO-Wayne MO-Butler MO-
525 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CARTER...NORTHEASTERN
RIPLEY...SOUTHWESTERN WAYNE AND NORTHWESTERN BUTLER COUNTIES IS
CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with these thunderstorms.

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

LAT...LON 3703 9095 3705 9088 3705 9078 3712 9078
      3719 9068 3707 9052 3681 9055 3666 9088
TIME...MOT...LOC 2222Z 211DEG 21KT 3713 9080 3680 9077 

$$

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, 4:27 PM CDTSevere Thunderstorm WarningPAHButler, Carter, Wayne48 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, 5:49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.