Alert archive / Kansas / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 58, NWS Kansas City, MO

May 17, 2022Cass County, Jackson County, Missouri; 4 counties in Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at May 17, 2022, 10:47 PM CDT for Cass County, Jackson County, Missouri; 4 counties in Kansas. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 17, 2022, 10:47 PM CDT (03:47 UTC)
Expired: May 17, 2022, 11:45 PM CDT
In force: 58 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Johnson County, KS, Leavenworth County, KS, Miami County, KS, Wyandotte County, KS, Cass County, MO, Jackson County, MO

The radar

The Pleasant Hill radar (KEAX), 39 km from the middle of the area, began a volume at 03:47 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 watch it was issued in

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

Issued	Product	Office	Lasted
May 17, 8:32 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.8 hours before the alert went out and 83 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3291 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 1029 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 10.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 6:40 PM CDT, 4 hours 7 minutes earlier.

Area forecast discussion, May 17, 6:40 PM CDT, 4 hours 7 minutes before

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Hazardous weather outlook, May 17, 5:12 AM CDT, 17 hours 35 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
512 AM CDT Tue May 17 2022

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-181015-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
512 AM CDT Tue May 17 2022

This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.

.DAY ONE...Today and Tonight

 Strong to severe thunderstorms will be possible tonight into early
 Wednesday. Damaging winds and large hail will be the main threats
 however, a isolated tornado cannot be ruled out. In addition to the
 severe threat, 1 to 3 locally three inches of rain will be possible
 which may lead to localized flash flooding.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

 Strong storms will be possible south of Interstate 70 on Wednesday
 with gusty winds the main threat.

 More detailed information can be accessed at...
 https://www.weather.gov/eax/hwo

In the hours before

Special weather statement, May 17, 7:45 PM CDT, 3 hours 2 minutes before

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Special weather statement, May 17, 8:36 PM CDT, 2 hours 11 minutes before

Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
836 PM CDT Tue May 17 2022

KSZ025-MOZ020-028-180215-
Atchison KS-Platte MO-Buchanan MO-
836 PM CDT Tue May 17 2022

...A strong thunderstorm will impact portions of Atchison,
southwestern Buchanan and northwestern Platte Counties through 915 PM
CDT...

At 836 PM CDT, Doppler radar was tracking a strong thunderstorm over
Lancaster, or 11 miles southeast of Horton, moving east at 45 mph.

HAZARD...Winds in excess of 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Atchison, Weston, Effingham, Dearborn, Rushville, Lancaster,
Muscotah, Lewis And Clark Village, De Kalb, Farmington, Huron, Iatan,
Faucett, Arrington, Bean Lake, Lewis And Clark Vi, Cummings and
Potter.

This includes Interstate 29 near mile marker 23, between mile markers
25 and 26, and between mile markers 28 and 39.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
northeastern Kansas...and northwestern and west central Missouri.

&&

LAT...LON 3965 9556 3965 9511 3963 9510 3962 9510
      3962 9506 3965 9504 3965 9478 3941 9479
      3943 9557
TIME...MOT...LOC 0136Z 274DEG 41KT 3957 9535

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

BMW

Special weather statement, May 17, 9:10 PM CDT, 1 hour 37 minutes before

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Special weather statement, May 17, 9:17 PM CDT, 1 hour 30 minutes before

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Special weather statement, May 17, 10:01 PM CDT, 46 minutes before

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Local storm report, May 17, 10:09 PM CDT, 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1009 PM CDT TUE MAY 17 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0940 PM     NON-TSTM WND GST 1 NNE SAINT JOSEPH AIRP 39.77N 94.91W
05/17/2022  M59 MPH          BUCHANAN           MO   ASOS

            POSSIBLE WAKE LOW BEHIND A DYING BOW SEGMENT
            5-10 MILES SOUTH OF ST. JOSEPH.

&&

JL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 7:03 PM CDT	Special Weather Statement	EAX	Adair	27 min
May 17, 7:45 PM CDT	Special Weather Statement	EAX	Macon	30 min
May 17, 9:10 PM CDT	Special Weather Statement	EAX	Caldwell	35 min
May 17, 9:17 PM CDT	Special Weather Statement	EAX	Platte	43 min
May 17, 10:01 PM CDT	Special Weather Statement	EAX	Buchanan	44 min
May 17, 11:45 PM CDT	Special Weather Statement	EAX	Cass, Jackson	60 min
May 18, 12:23 AM CDT	Special Weather Statement	EAX	Bates	22 min
May 18, 12:37 AM CDT	Special Weather Statement	EAX	Bates, Henry, Johnson	53 min
May 18, 1:12 AM CDT	Areal Flood Advisory	EAX	Bates, Henry	5 hr
May 18, 3:09 AM CDT	Special Weather Statement	EAX	Cooper, Howard	51 min
May 17, 8:36 PM CDT	Special Weather Statement	EAX	Atchison	39 min
May 18, 1:04 AM CDT	River Flood Warning	EAX	Johnson	45 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2022 Severe Thunderstorm Warnings in Missouri, 2022 Every severe thunderstorm warning in 2022

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.