Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 14, NWS Kansas City, MO

May 16, 2021Cooper County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 16, 2021, 3:35 PM CDT for Cooper County, Missouri. It was in force for 27 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
May 16, 2021, 3:35 PM CDT (20:35 UTC)
Expired
May 16, 2021, 4:02 PM CDT
In force
27 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Cooper County, MO

The radar

The Pleasant Hill radar (KEAX), 115 km from the middle of the area, began a volume at 20:34 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

Springfield, MO (KSGF), launched 12:00Z, 8.6 hours before the alert went out and 216 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, Springfield, MO at 12:00Z on 2021-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 122 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, Springfield, MO at 12:00Z on 2021-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
122 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
1041 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

024 
WUUS53 KEAX 162035
SVREAX
MOC053-162115-
/O.NEW.KEAX.SV.W.0014.210516T2035Z-210516T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
335 PM CDT Sun May 16 2021

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Southwestern Cooper County in central Missouri...

* Until 415 PM CDT.

* At 334 PM CDT, a severe thunderstorm was located near Otterville,
  or 12 miles east of Sedalia, moving northeast at 20 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 be near...
  Otterville around 350 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3868 9282 3869 9298 3869 9305 3870 9306
      3871 9306 3883 9301 3876 9273
TIME...MOT...LOC 2034Z 209DEG 13KT 3865 9302 

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

BMW
2 follow-up statements
994 
WWUS53 KEAX 162046
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
346 PM CDT Sun May 16 2021

MOC053-162115-
/O.CON.KEAX.SV.W.0014.000000T0000Z-210516T2115Z/
Cooper MO-
346 PM CDT Sun May 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHWESTERN COOPER COUNTY...

At 346 PM CDT, a severe thunderstorm was located near Otterville, or
9 miles west of Tipton, moving northeast 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.

This severe thunderstorm will remain over mainly rural areas of
southwestern Cooper County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3868 9282 3869 9298 3869 9303 3881 9291
      3876 9273
TIME...MOT...LOC 2046Z 236DEG 15KT 3867 9295 

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

BMW
197 
WWUS53 KEAX 162102
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
402 PM CDT Sun May 16 2021

MOC053-162112-
/O.CAN.KEAX.SV.W.0014.000000T0000Z-210516T2115Z/
Cooper MO-
402 PM CDT Sun May 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN COOPER COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

LAT...LON 3868 9282 3869 9298 3869 9303 3881 9291
      3876 9273
TIME...MOT...LOC 2100Z 209DEG 13KT 3872 9291 

$$

BMW

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 9:25 PM CDTRiver Flood WarningEAXCass, Henry, Johnson5 days
May 16, 5:36 PM CDTAreal Flood AdvisoryEAXClay, Jackson, Ray6 hr
May 16, 6:30 PM CDTFlash Flood WarningEAXJackson6 hr
May 16, 6:35 PM CDTRiver Flood WarningEAXJackson10 hr
May 16, 6:35 PM CDTRiver Flood WarningEAXCarroll24 hr
May 16, 6:35 PM CDTRiver Flood WarningEAXCooper, Saline7 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.