Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 90, NWS Paducah, KY

August 8, 2021New Madrid County, Stoddard County, Missouri

NWS Paducah, KY issued this severe thunderstorm warning at Aug 8, 2021, 8:10 PM CDT for New Madrid County, Stoddard County, Missouri. It was in force for 35 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, 8:10 PM CDT (01:10 UTC)
Expired
Aug 8, 2021, 8:45 PM CDT
In force
35 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties New Madrid County, MO, Stoddard County, MO

The radar

The Paducah radar (KPAH), 109 km from the middle of the area, began a volume at 01:12 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, 1.2 hours before the alert went out and 194 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 2021-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 809 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 2021-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
809 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1677 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

591 
WUUS53 KPAH 090110
SVRPAH
MOC143-207-090145-
/O.NEW.KPAH.SV.W.0090.210809T0110Z-210809T0145Z/

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

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  West central New Madrid County in southeastern Missouri...
  Southeastern Stoddard County in southeastern Missouri...

* Until 845 PM CDT.

* At 809 PM CDT, a severe thunderstorm was located over Malden,
  moving east at 15 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...
  Parma and Risco.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3647 8967 3653 8996 3655 8995 3659 8996
      3670 8996 3672 8964
TIME...MOT...LOC 0109Z 274DEG 13KT 3662 9000 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RJP
1 follow-up statement
739 
WWUS53 KPAH 090135
SVSPAH

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

MOC143-207-090145-
/O.CON.KPAH.SV.W.0090.000000T0000Z-210809T0145Z/
New Madrid MO-Stoddard MO-
835 PM CDT Sun Aug 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR WEST CENTRAL NEW MADRID AND SOUTHEASTERN STODDARD COUNTIES...

At 834 PM CDT, a severe thunderstorm was located over Parma, or 7
miles east of Malden, moving east at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Parma, Risco, Tallapoosa and Catron. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3652 8992 3670 8986 3672 8964 3647 8967
TIME...MOT...LOC 0134Z 273DEG 15KT 3661 8985 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RJP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 7:14 PM CDTTornado WarningPAHButler, Stoddard31 min
Aug 8, 7:34 PM CDTTornado WarningPAHButler, Stoddard41 min
Aug 8, 9:24 PM CDTSpecial Weather StatementPAHCarter36 min
Aug 9, 1:53 PM CDTHeat AdvisoryPAHBollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more3 days

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.