Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 163, NWS Kansas City, MO

December 15, 2021Cooper County, Howard County, Randolph County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Dec 15, 2021, 8:25 PM CST for Cooper County, Howard County, Randolph County, Missouri. It was in force for 35 min. 1 report 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
Dec 15, 2021, 8:25 PM CST (02:25 UTC)
Expired
Dec 15, 2021, 9:00 PM CST
In force
35 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Cooper County, MO, Howard County, MO, Randolph County, MO

The radar

The Pleasant Hill radar (KEAX), 151 km from the middle of the area, began a volume at 02:27 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
Dec 15, 8:35 PM CSTTSTM WND GST 61Omar N Bradley Airport, MOKMBY.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Dec 15, 6:00 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.4 hours before the alert went out and 265 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 2021-12-16Temperature 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, Topeka, KS at 00:00Z on 2021-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -149 square meters per square second.1939587897117136Sfc1 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
2425 m above ground
0-6 km bulk shear
99 kt
0-1 km storm-relative helicity
-149 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

190 
WUUS53 KEAX 160225
SVREAX
MOC053-089-175-160300-
/O.NEW.KEAX.SV.W.0163.211216T0225Z-211216T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
825 PM CST Wed Dec 15 2021

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Randolph County in north central Missouri...
  Howard County in central Missouri...
  Cooper County in central Missouri...

* Until 900 PM CST.

* At 825 PM CST, severe thunderstorms were located along a line
  extending from near Huntsville to near Fayette to near Pilot Grove
  to near Otterville, moving northeast at 80 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Moberly, Boonville, Fayette, Huntsville, New Franklin, Pilot Grove,
  Higbee, Otterville, Bunceton, Clark, Cairo, Armstrong, Prairie
  Home, Renick, Jacksonville, Franklin, Wooldridge and Lamine.

This includes Interstate 70 in Missouri between mile markers 94 and
114.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for damaging winds. People outside should move 
immediately to shelter inside a strong building. Stay away from 
windows.

&&

LAT...LON 3925 9232 3925 9243 3902 9256 3898 9257
      3892 9250 3868 9262 3869 9302 3889 9297
      3914 9273 3948 9265 3961 9243 3960 9230
TIME...MOT...LOC 0225Z 236DEG 70KT 3947 9258 3919 9265 3895 9288 3868
9295

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

$$

CDB
1 follow-up statement
773 
WWUS53 KEAX 160251
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
851 PM CST Wed Dec 15 2021

MOC053-089-175-160300-
/O.EXP.KEAX.SV.W.0163.000000T0000Z-211216T0300Z/
Randolph MO-Howard MO-Cooper MO-
851 PM CST Wed Dec 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR RANDOLPH...HOWARD AND COOPER
COUNTIES WILL EXPIRE AT 900 PM CST...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible behind the storms.

A Severe Thunderstorm Watch remains in effect until midnight CST for
central and north central Missouri.

LAT...LON 3925 9232 3925 9243 3902 9256 3898 9257
      3892 9250 3868 9262 3869 9302 3889 9297
      3914 9273 3948 9265 3961 9243 3960 9230
TIME...MOT...LOC 0250Z 236DEG 70KT 3974 9206 3946 9213 3922 9236 3895
9243

$$

CDB

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 6:00 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXCass, Jackson45 min
Dec 15, 6:11 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXBates, Cass64 min
Dec 15, 6:15 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXCaldwell, Carroll, Clay, Clinton, Daviess, Livingston and 1 more60 min
Dec 15, 6:24 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXDaviess, Grundy, Harrison, Mercer, Putnam, Sullivan66 min
Dec 15, 6:35 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXCarroll, Jackson, Lafayette40 min
Dec 15, 6:43 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXCass, Jackson, Johnson47 min
Dec 15, 7:03 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXAdair, Carroll, Chariton, Grundy, Linn, Livingston and 7 more87 min
Dec 15, 7:08 PM CSTSevere Thunderstorm Warning Considerable damage threatEAXBates, Carroll, Cass, Chariton, Cooper, Henry and 7 more82 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.