Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 89, NWS Paducah, KY

August 8, 2021Carter County, Wayne County, Missouri

NWS Paducah, KY issued this severe thunderstorm warning at Aug 8, 2021, 4:39 PM CDT for Carter County, Wayne County, Missouri. It was in force for 40 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
Aug 8, 2021, 4:39 PM CDT (21:39 UTC)
Expired
Aug 8, 2021, 5:19 PM CDT
In force
40 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Carter County, MO, Wayne County, MO

The radar

The Paducah radar (KPAH), 167 km from the middle of the area, began a volume at 21:40 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
Aug 8, 12:44 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.7 hours before the alert went out and 265 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 2021-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1001 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, Little Rock, AR at 12:00Z on 2021-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.1939Sfc1 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
1001 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
856 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.6

Open this sounding in Storm Lab

The text

As transmitted.

205 
WUUS53 KPAH 082139
SVRPAH
MOC035-223-082230-
/O.NEW.KPAH.SV.W.0089.210808T2139Z-210808T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
439 PM CDT Sun Aug 8 2021

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  Northeastern Carter County in southeastern Missouri...
  Wayne County in southeastern Missouri...

* Until 530 PM CDT.

* At 439 PM CDT, severe thunderstorms were located along a line
  extending from near Sam A. Baker State Park to near Ellsinore,
  moving east at 30 mph.

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

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Sam A. Baker State Park around 445 PM CDT.
  Lodi around 455 PM CDT.

Other locations in the path of these severe thunderstorms include
Williamsville, Greenville, Cascade and Shook.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3705 9084 3705 9078 3714 9078 3714 9076
      3717 9076 3717 9074 3725 9074 3727 9073
      3727 9055 3732 9055 3731 9022 3711 9022
      3697 9029 3690 9091
TIME...MOT...LOC 2139Z 250DEG 28KT 3729 9062 3702 9077 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RJP
2 follow-up statements
756 
WWUS53 KPAH 082200
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
500 PM CDT Sun Aug 8 2021

MOC035-223-082230-
/O.CON.KPAH.SV.W.0089.000000T0000Z-210808T2230Z/
Carter MO-Wayne MO-
500 PM CDT Sun Aug 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR EAST CENTRAL CARTER AND WAYNE COUNTIES...

At 500 PM CDT, severe thunderstorms were located along a line
extending from near Saco to 6 miles northwest of Williamsville,
moving east at 30 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
  Lodi, Greenville, Cascade and Shook.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3727 9055 3732 9055 3731 9022 3711 9022
      3697 9029 3691 9084 3718 9067
TIME...MOT...LOC 2200Z 254DEG 25KT 3732 9047 3705 9062 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RJP
715 
WWUS53 KPAH 082219
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
519 PM CDT Sun Aug 8 2021

MOC035-223-082229-
/O.CAN.KPAH.SV.W.0089.000000T0000Z-210808T2230Z/
Carter MO-Wayne MO-
519 PM CDT Sun Aug 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CARTER AND WAYNE
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.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
southeastern Missouri.

LAT...LON 3727 9055 3732 9055 3731 9022 3711 9022
      3697 9029 3691 9084 3718 9067
TIME...MOT...LOC 2217Z 250DEG 28KT 3737 9031 3710 9046 

$$

RJP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 2:41 PM CDTHeat AdvisoryPAHBollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more23 hr
Aug 8, 3:38 PM CDTSpecial Weather StatementPAHButler52 min
Aug 8, 3:44 PM CDTSpecial Weather StatementPAHCarter46 min
Aug 8, 4:32 PM CDTSpecial Weather StatementPAHWayne43 min
Aug 8, 5:17 PM CDTSpecial Weather StatementPAHBollinger43 min
Aug 8, 5:22 PM CDTSpecial Weather StatementPAHBollinger, Wayne38 min
Aug 8, 5:49 PM CDTSpecial Weather StatementPAHCape Girardeau41 min
Aug 8, 5:56 PM CDTSpecial Weather StatementPAHButler34 min
Aug 8, 6:46 PM CDTSpecial Weather StatementPAHButler44 min
Aug 8, 6:54 PM CDTAreal Flood AdvisoryPAHButler2 hr

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.