Alert archive / Missouri / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 16, NWS Kansas City, MO

April 28, 2019Carroll County, Lafayette County, Ray County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 28, 2019, 7:26 PM CDT for Carroll County, Lafayette County, Ray County, Missouri. It was in force for 34 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
Apr 28, 2019, 7:26 PM CDT (00:26 UTC)
Expired
Apr 28, 2019, 8:00 PM CDT
In force
34 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Carroll County, MO, Lafayette County, MO, Ray County, MO

The radar

The Pleasant Hill radar (KEAX), 68 km from the middle of the area, began a volume at 00:26 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

Topeka, KS (KFOE), launched 00:00Z, 0.4 hours before the alert went out and 165 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 2019-04-29Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2019-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 538 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1217 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
538 m²/s²
0-3 km storm-relative helicity
653 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

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 Apr 28, 6:41 PM CDT, 45 minutes earlier.

Area forecast discussion, Apr 28, 6:41 PM CDT, 45 minutes before
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Hazardous weather outlook, Apr 28, 5:09 AM CDT, 14 hours 17 minutes before
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
509 AM CDT Sun Apr 28 2019

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-291015-
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-
509 AM CDT Sun Apr 28 2019

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

.DAY ONE...Today and Tonight

A very active weather pattern will start this afternoon into the
overnight hours. Isolated showers and storms will move through the
area in the early afternoon, but no severe weather is expected with
this round of storms. More significant storms will form up over
eastern KS and western MO north of the MO River after sunset. These
storms are expected to be strong to severe with large hail being the
main threat as they progress to the east through our area. Heavy rain
will also accompany these storms with 1 to 1.5 inches of rainfall
falling quickly, mainly along HWY 36.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Some storms will remain Monday morning over central MO before moving
to the east by the afternoon. A brief dry period will be observed
Monday PM, but another round of storms will form up early Tuesday
morning over NW Missouri. This round of storms will have more
significant impacts in regards to heavy rainfall and severe weather.
The heaviest rainfall is expected in the afternoon along the I-35
corridor with the main severe threat being south of the Missouri
River. All modes of severe weather are possible to include large
hail, damaging winds, and even a few tornadoes are possible. Flash
flooding is possible with saturated soils over the area as well as
river and small stream flooding as an additional 2 to 3 inches of
rainfall is expected. This activity will exit the area Wednesday
afternoon leaving our area mainly dry into the weekend.

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

In the hours before

Special weather statement, Apr 28, 6:38 PM CDT, 48 minutes before
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Special weather statement, Apr 28, 6:43 PM CDT, 43 minutes before
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Local storm report, Apr 28, 6:46 PM CDT, 40 minutes before
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Local storm report, Apr 28, 6:56 PM CDT, 30 minutes before
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Special weather statement, Apr 28, 7:15 PM CDT, 11 minutes before
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Local storm report, Apr 28, 7:23 PM CDT, 3 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 7:01 PM CDTSevere Thunderstorm WarningEAXClay, Jackson, Lafayette, Ray29 min
Apr 28, 7:15 PM CDTSpecial Weather StatementEAXCaldwell, Clinton30 min
Apr 28, 7:43 PM CDTSpecial Weather StatementEAXCaldwell47 min
Apr 28, 7:59 PM CDTSevere Thunderstorm WarningEAXCarroll, Lafayette, Ray, Saline46 min
Apr 28, 8:24 PM CDTSpecial Weather StatementEAXSaline36 min
Apr 28, 8:54 PM CDTSpecial Weather StatementEAXCarroll, Chariton36 min
Apr 28, 9:03 PM CDTSpecial Weather StatementEAXHoward42 min
Apr 28, 9:36 PM CDTSpecial Weather StatementEAXChariton, Randolph39 min
Apr 28, 9:47 PM CDTSevere Thunderstorm WarningEAXChariton, Howard, Randolph27 min
Apr 29, 2:27 AM CDTFlash Flood WatchEAXAdair, Bates, Buchanan, Caldwell, Carroll, Cass and 22 more3 days
Apr 29, 4:00 AM CDTSevere Thunderstorm WarningEAXBates, Cass45 min
Apr 29, 4:35 AM CDTSpecial Weather StatementEAXHenry25 min
Apr 29, 4:45 AM CDTSpecial Weather StatementEAXCass, Johnson45 min
Apr 29, 3:51 AM CDTSevere Thunderstorm WarningEAXLinn, Miami26 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2019Every severe thunderstorm warning in 2019

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.