Alert archive / Missouri / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 252, NWS Kansas City, MO

August 13, 2023Wyandotte County, Kansas; Clay County, Jackson County, Platte County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Aug 13, 2023, 7:05 PM CDT for Wyandotte County, Kansas; Clay County, Jackson County, Platte County, Missouri. It was in force for 40 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 13, 2023, 7:05 PM CDT (00:05 UTC)
Expired
Aug 13, 2023, 7:45 PM CDT
In force
40 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Wyandotte County, KS, Clay County, MO, Jackson County, MO, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 45 km from the middle of the area, began a volume at 00:07 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.

What was reported inside it

TimeReportWhereRemark
Aug 13, 7:06 PM CDTTSTM WND DMG1 Nnw Houston Lake, MOSeveral tree limbs down some up to 8 in. in diameter. Reported via social media. Time estimated via radar.
Aug 13, 7:14 PM CDTTSTM WND DMG2 Ese Lake Waukomis, MOReport from mPING: 1-inch tree limbs broken.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.1 hours before the alert went out and 106 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, Topeka, KS at 00:00Z on 2023-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2099 joules per kilogram.LCLEL10008507005003002001001 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, Topeka, KS at 00:00Z on 2023-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.19395878Sfc1 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
2099 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
898 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

278 
WUUS53 KEAX 140005
SVREAX
KSC209-MOC047-095-165-140045-
/O.NEW.KEAX.SV.W.0252.230814T0005Z-230814T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
705 PM CDT Sun Aug 13 2023

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Northeastern Wyandotte County in northeastern Kansas...
  Southern Clay County in west central Missouri...
  Southeastern Platte County in west central Missouri...
  Northwestern Jackson County in west central Missouri...

* Until 745 PM CDT.

* At 705 PM CDT, a severe thunderstorm was located over Platte Woods,
  or over Parkville, 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...
  Kansas City, Independence, Lee's Summit, Blue Springs, Raytown,
  Liberty, Gladstone, Parkville, North Kansas City, Sugar Creek,
  Riverside, Weatherby Lake, Claycomo, Kansas City Kansas, Courtney,
  Pleasant Valley, Lake Waukomis, Lake Tapawingo, Glenaire and
  Avondale.

This includes the following highways...
 Interstate 70 in Missouri between mile markers 0 and 19.
 Interstate 70 in Kansas between mile markers 422 and 423.
 Interstate 35 in Missouri between mile markers 1 and 17.
 Interstate 29 between mile markers 0 and 12.
 Interstate 635 between mile markers 6 and 12.
 Interstate 470 between mile markers 13 and 16.
 Interstate 435 between mile markers 47 and 63.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3931 9469 3922 9423 3921 9421 3921 9419
      3897 9431 3914 9474
TIME...MOT...LOC 0005Z 288DEG 25KT 3921 9465 

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

$$

BMW
4 follow-up statements
452 
WWUS53 KEAX 140012
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
712 PM CDT Sun Aug 13 2023

KSC209-MOC047-095-165-140045-
/O.CON.KEAX.SV.W.0252.000000T0000Z-230814T0045Z/
Wyandotte KS-Clay MO-Platte MO-Jackson MO-
712 PM CDT Sun Aug 13 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN WYANDOTTE...SOUTHERN CLAY...SOUTHEASTERN PLATTE AND
NORTHWESTERN JACKSON COUNTIES...

At 712 PM CDT, a severe thunderstorm was located over Avondale, or
over Claycomo, moving east at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Kansas City, Independence, Lee's Summit, Blue Springs, Raytown,
Liberty, Gladstone, North Kansas City, Sugar Creek, Riverside,
Claycomo, Kansas City Kansas, Courtney, Pleasant Valley, Lake
Waukomis, Lake Tapawingo, Glenaire, Avondale, Oakview and Sibley.

This includes the following highways...
 Interstate 70 in Missouri between mile markers 0 and 19.
 Interstate 70 in Kansas between mile markers 422 and 423.
 Interstate 35 in Missouri between mile markers 1 and 17.
 Interstate 29 between mile markers 0 and 5.
 Interstate 635 between mile markers 6 and 12.
 Interstate 470 between mile markers 13 and 16.
 Interstate 435 between mile markers 47 and 63.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3929 9460 3922 9423 3921 9421 3921 9419
      3897 9431 3912 9469
TIME...MOT...LOC 0012Z 288DEG 31KT 3917 9451 

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

$$

BMW
723 
WWUS53 KEAX 140020
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
720 PM CDT Sun Aug 13 2023

KSC209-MOC165-140030-
/O.CAN.KEAX.SV.W.0252.000000T0000Z-230814T0045Z/
Wyandotte KS-Platte MO-
720 PM CDT Sun Aug 13 2023

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WYANDOTTE AND
SOUTHEASTERN PLATTE COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3928 9457 3922 9423 3921 9421 3921 9419
      3897 9431 3909 9459
TIME...MOT...LOC 0020Z 288DEG 25KT 3915 9444 

$$

MOC047-095-140045-
/O.CON.KEAX.SV.W.0252.000000T0000Z-230814T0045Z/
Clay MO-Jackson MO-
720 PM CDT Sun Aug 13 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHERN CLAY AND NORTHWESTERN JACKSON COUNTIES...

At 720 PM CDT, a severe thunderstorm was located over Sugar Creek,
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...
Kansas City, Independence, Lee's Summit, Blue Springs, Liberty,
Gladstone, North Kansas City, Sugar Creek, Claycomo, Courtney,
Pleasant Valley, Lake Tapawingo, Glenaire, Avondale, Oakview, Sibley,
Missouri City, River Bend, Oakwood Park and Oakwood.

This includes the following highways...
 Interstate 70 in Missouri between mile markers 2 and 19.
 Interstate 35 in Missouri between mile markers 3 and 16.
 Interstate 29 between mile markers 0 and 1.
 Interstate 470 between mile markers 14 and 16.
 Interstate 435 between mile markers 47 and 63.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3928 9457 3922 9423 3921 9421 3921 9419
      3897 9431 3909 9459
TIME...MOT...LOC 0020Z 288DEG 25KT 3915 9444 

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

$$

BMW
892 
WWUS53 KEAX 140029
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
729 PM CDT Sun Aug 13 2023

MOC047-095-140045-
/O.CON.KEAX.SV.W.0252.000000T0000Z-230814T0045Z/
Clay MO-Jackson MO-
729 PM CDT Sun Aug 13 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN CLAY AND NORTHWESTERN JACKSON COUNTIES...

At 728 PM CDT, a severe thunderstorm was located over Courtney,
moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Kansas City, Independence, Lee's Summit, Blue Springs, Liberty, Sugar
Creek, Claycomo, Courtney, Pleasant Valley, Lake Tapawingo, Glenaire,
Sibley, Missouri City, River Bend, Birmingham and Randolph.

This includes the following highways...
 Interstate 70 in Missouri between mile markers 6 and 19.
 Interstate 35 in Missouri between mile markers 13 and 16.
 Interstate 470 between mile markers 14 and 16.
 Interstate 435 between mile markers 53 and 62.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3926 9447 3922 9423 3921 9421 3921 9419
      3897 9431 3907 9454
TIME...MOT...LOC 0028Z 288DEG 25KT 3913 9437 

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

$$

BMW
415 
WWUS53 KEAX 140039
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
739 PM CDT Sun Aug 13 2023

MOC047-095-140048-
/O.EXP.KEAX.SV.W.0252.000000T0000Z-230814T0045Z/
Clay MO-Jackson MO-
739 PM CDT Sun Aug 13 2023

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLAY AND
NORTHWESTERN JACKSON COUNTIES WILL EXPIRE AT 745 PM CDT...
        
The storm which prompted the warning has weakened below severe 
limits. Therefore, the warning will be allowed to expire.

LAT...LON 3926 9447 3922 9423 3921 9421 3921 9419
      3897 9431 3907 9454
TIME...MOT...LOC 0038Z 288DEG 25KT 3911 9430 

$$

BMW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 9:12 PM CDTAreal Flood AdvisoryEAXMiami4 hr
Aug 13, 7:47 PM CDTAreal Flood WarningEAXLafayette, Saline12 hr
Aug 13, 7:47 PM CDTSpecial Weather StatementEAXLafayette43 min
Aug 13, 8:09 PM CDTRiver Flood WarningEAXCooper, Saline12 hr
Aug 13, 8:54 PM CDTSpecial Weather StatementEAXBates36 min
Aug 13, 9:29 PM CDTSpecial Weather StatementEAXBates46 min
Aug 14, 1:49 AM CDTRiver Flood WarningEAXBuchanan37 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2023Severe Thunderstorm Warnings in Kansas, 2023Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.