Alert archive / Missouri / Special Weather Statements in 2021

Special Weather Statement, NWS Kansas City, MO

October 13, 2021Henry County, Missouri

NWS Kansas City, MO issued this special weather statement at Oct 13, 2021, 9:49 AM CDT for Henry County, Missouri. It was in force for 26 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
Oct 13, 2021, 9:49 AM CDT (14:49 UTC)
Expired
Oct 13, 2021, 10:15 AM CDT
In force
26 min
Issued by
NWS Kansas City, MO
Hail
0.00 in
Wind
30

County Henry County, MO

The radar

The Pleasant Hill radar (KEAX), 85 km from the middle of the area, began a volume at 14:53 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, 2.8 hours before the alert went out and 154 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 2021-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 722 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2021-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 440 square meters per square second.1939587897Sfc1 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
722 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
646 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
440 m²/s²
0-3 km storm-relative helicity
590 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

702 
WWUS83 KEAX 131449
SPSEAX

Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
949 AM CDT Wed Oct 13 2021
 
MOZ054-131515-
Henry MO-
949 AM CDT Wed Oct 13 2021

...A strong thunderstorm will impact portions of southeastern Henry
County through 1015 AM CDT...

At 948 AM CDT, Doppler radar was tracking a strong thunderstorm 10
miles northwest of Warsaw, moving northeast at 55 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Coal, Tightwad and Truman Lake. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3820 9363 3836 9373 3847 9352 3843 9351
      3821 9352 3821 9354 3822 9356 3821 9357
      3820 9356
TIME...MOT...LOC 1448Z 239DEG 49KT 3831 9355 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

$$

PP

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 2:50 AM CDTSpecial Weather StatementEAXNodaway25 min
Oct 13, 5:08 AM CDTSpecial Weather StatementEAXBuchanan, Platte52 min
Oct 13, 5:24 AM CDTSpecial Weather StatementEAXAdair, Schuyler51 min
Oct 13, 5:58 AM CDTSpecial Weather StatementEAXCaldwell, Clay, Clinton47 min
Oct 13, 8:18 AM CDTSpecial Weather StatementEAXBates27 min
Oct 13, 8:43 AM CDTSpecial Weather StatementEAXHenry47 min

Nearby

Special Weather Statements in Missouri, 2021Every special weather statement 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.