Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 78, NWS Paducah, KY

July 10, 2021New Madrid County, Missouri

NWS Paducah, KY issued this severe thunderstorm warning at Jul 10, 2021, 8:58 PM CDT for New Madrid County, Missouri. It was in force for 47 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 10, 2021, 8:58 PM CDT (01:58 UTC)
Expired
Jul 10, 2021, 9:45 PM CDT
In force
47 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

County New Madrid County, MO

The radar

The Paducah radar (KPAH), 81 km from the middle of the area, began a volume at 01:57 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 00:00Z, 2.0 hours before the alert went out and 220 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 00:00Z on 2021-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1010 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 00:00Z on 2021-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
1010 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1462 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

222 
WUUS53 KPAH 110158
SVRPAH
MOC143-110245-
/O.NEW.KPAH.SV.W.0078.210711T0158Z-210711T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
858 PM CDT Sat Jul 10 2021

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  Northeastern New Madrid County in southeastern Missouri...

* Until 945 PM CDT.

* At 856 PM CDT, a severe thunderstorm was located near Canalou, or
  10 miles southwest of Sikeston, moving east at 20 mph.

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

  SOURCE...Radar indicated. Spotters reported that the funnel cloud 
           associated with this storm lifted.

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

* This severe thunderstorm will be near...
  Morehouse and Canalou around 905 PM CDT.
  Sikeston around 915 PM CDT.

Other locations in the path of this severe thunderstorm include
Matthews.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3674 8970 3686 8970 3686 8961 3685 8951
      3671 8946
TIME...MOT...LOC 0156Z 271DEG 16KT 3679 8973 

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

PS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 7:53 PM CDTSevere Thunderstorm WarningPAHStoddard52 min
Jul 10, 8:16 PM CDTSevere Thunderstorm WarningPAHCape Girardeau, Scott44 min
Jul 10, 8:23 PM CDTTornado WarningPAHStoddard52 min
Jul 10, 9:22 PM CDTTornado WarningPAHNew Madrid38 min
Jul 10, 9:30 PM CDTSevere Thunderstorm WarningPAHCarter, Ripley45 min
Jul 10, 10:09 PM CDTSpecial Weather StatementPAHButler, Ripley51 min
Jul 10, 10:29 PM CDTFlash Flood WarningPAHBollinger, Cape Girardeau6 hr
Jul 10, 11:02 PM CDTFlash Flood WarningPAHScott5 hr
Jul 10, 11:24 PM CDTSpecial Weather StatementPAHMississippi51 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.