Alert archive / Missouri / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 156, NWS Kansas City, MO

July 12, 20236 counties in Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 12, 2023, 8:07 AM CDT for 6 counties in Missouri. It was in force for 53 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
Jul 12, 2023, 8:07 AM CDT (13:07 UTC)
Expired
Jul 12, 2023, 9:00 AM CDT
In force
53 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Grundy County, MO, Harrison County, MO, Mercer County, MO, Putnam County, MO, Sullivan County, MO, Worth County, MO

The radar

The Des Moines radar (KDMX), 155 km from the middle of the area, began a volume at 13:09 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.

IssuedProductOfficeLasted
Jul 12, 5:15 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 1.1 hours before the alert went out and 297 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, Davenport, at 12:00Z on 2023-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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, Davenport, at 12:00Z on 2023-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.193958Sfc1 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
9 J/kg
Mixed-layer CIN
-301 J/kg
Mixed-layer LCL
936 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
252 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 Jul 12, 6:38 AM CDT, 1 hour 29 minutes earlier.

Area forecast discussion, Jul 12, 6:38 AM CDT, 1 hour 29 minutes before
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Hazardous weather outlook, Jul 12, 4:43 AM CDT, 3 hours 24 minutes before
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
443 AM CDT Wed Jul 12 2023

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-130945-
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-
443 AM CDT Wed Jul 12 2023

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

.DAY ONE...Today and Tonight

 Severe storms are possible today. Storms may affect northern
 Missouri this morning. Damaging winds are the most likely hazard
 with that activity.

 Another round of storms is possible Wednesday afternoon over eastern
 Kansas and western Missouri. Large hail and damaging winds are the
 most likely hazards with this activity.

 Dangerous heat is possible over east central Kansas to central
 Missouri. Heat indices as high as 110 are possible.

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

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

 Multiple rounds of thunderstorms are possible from Thursday night
 through Friday. The threat of severe weather is low.

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

In the hours before

Special weather statement, Jul 12, 6:51 AM CDT, 1 hour 16 minutes before
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Special weather statement, Jul 12, 7:30 AM CDT, 37 minutes before
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Special weather statement, Jul 12, 8:03 AM CDT, 4 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 6:51 AM CDTSpecial Weather StatementEAXAtchison39 min
Jul 12, 7:30 AM CDTSpecial Weather StatementEAXAtchison, Gentry, Nodaway, Worth30 min
Jul 12, 8:03 AM CDTSpecial Weather StatementEAXAndrew, DeKalb, Gentry, Harrison, Holt, Mercer and 2 more42 min
Jul 12, 9:02 AM CDTSpecial Weather StatementEAXAdair, Grundy, Putnam, Schuyler, Sullivan43 min
Jul 12, 9:50 AM CDTSpecial Weather StatementEAXNodaway25 min
Jul 12, 10:11 AM CDTSpecial Weather StatementEAXGentry49 min
Jul 12, 5:34 PM CDTSpecial Weather StatementEAXRandolph26 min
Jul 12, 5:51 PM CDTSevere Thunderstorm WarningEAXHoward, Randolph24 min

Nearby

Severe Thunderstorm Warnings in Missouri, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.