Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 67, NWS Paducah, KY

July 9, 2021Cape Girardeau County, Missouri

NWS Paducah, KY issued this severe thunderstorm warning at Jul 9, 2021, 6:43 PM CDT for Cape Girardeau County, Missouri. It was in force for 17 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
Jul 9, 2021, 6:43 PM CDT (23:43 UTC)
Expired
Jul 9, 2021, 7:00 PM CDT
In force
17 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Cape Girardeau County, MO

The radar

The Paducah radar (KPAH), 88 km from the middle of the area, began a volume at 23:43 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, 11.7 hours before the alert went out and 262 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 2021-07-09Temperature 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 2021-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3332 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
-14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

917 
WUUS53 KPAH 092343
SVRPAH
MOC031-100000-
/O.NEW.KPAH.SV.W.0067.210709T2343Z-210710T0000Z/

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

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  Southwestern Cape Girardeau County in southeastern Missouri...

* Until 700 PM CDT.

* At 643 PM CDT, a severe thunderstorm was located over Delta, or
  near Chaffee, moving east 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.

* This severe thunderstorm will remain over mainly rural areas of
  southwestern Cape Girardeau County, including the following
  locations... Allenville and Whitewater.

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 this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3715 8986 3728 8984 3728 8966 3718 8969
      3718 8970 3716 8970 3716 8972 3714 8972
      3714 8976 3713 8976
TIME...MOT...LOC 2343Z 278DEG 26KT 3720 8976 

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

SMITH
1 follow-up statement
492 
WWUS53 KPAH 092352
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
652 PM CDT Fri Jul 9 2021

MOC031-100000-
/O.CON.KPAH.SV.W.0067.000000T0000Z-210710T0000Z/
Cape Girardeau MO-
652 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHWESTERN CAPE GIRARDEAU COUNTY...

At 652 PM CDT, a severe thunderstorm was located over Chaffee, moving
east at 30 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Delta and Allenville. 

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 this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3714 8981 3724 8977 3727 8967 3718 8969
      3718 8970 3716 8970 3716 8972 3714 8972
      3714 8976 3713 8976
TIME...MOT...LOC 2352Z 278DEG 26KT 3719 8968 

HAIL...0.88IN
WIND...60MPH
 
$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 4:10 PM CDTSpecial Weather StatementPAHRipley50 min
Jul 9, 4:36 PM CDTSpecial Weather StatementPAHButler39 min
Jul 9, 4:51 PM CDTSevere Thunderstorm WarningPAHButler24 min
Jul 9, 4:57 PM CDTSevere Thunderstorm WarningPAHStoddard33 min
Jul 9, 5:05 PM CDTSevere Thunderstorm WarningPAHMississippi, New Madrid40 min
Jul 9, 5:17 PM CDTSevere Thunderstorm WarningPAHButler, Stoddard13 min
Jul 9, 5:45 PM CDTSpecial Weather StatementPAHWayne45 min
Jul 9, 5:53 PM CDTSpecial Weather StatementPAHStoddard52 min
Jul 9, 6:08 PM CDTSevere Thunderstorm WarningPAHBollinger, Stoddard, Wayne31 min
Jul 9, 6:17 PM CDTSpecial Weather StatementPAHScott28 min
Jul 9, 6:37 PM CDTSpecial Weather StatementPAHCape Girardeau38 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.