Alert archive / Missouri / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 70, NWS Kansas City, MO

May 6, 2023Adair County, Macon County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 6, 2023, 9:13 AM CDT for Adair County, Macon County, Missouri. It was in force for 21 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 6, 2023, 9:13 AM CDT (14:13 UTC)
Expired: May 6, 2023, 9:34 AM CDT
In force: 21 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Adair County, MO, Macon County, MO

The radar

The Pleasant Hill radar (KEAX), 197 km from the middle of the area, began a volume at 14:16 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

Davenport, (KDVN), launched 12:00Z, 2.2 hours before the alert went out and 250 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 638 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 159 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 6, 6:10 AM CDT, 3 hours 3 minutes earlier.

Area forecast discussion, May 6, 6:10 AM CDT, 3 hours 3 minutes before

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Hazardous weather outlook, May 6, 3:50 AM CDT, 5 hours 23 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
350 AM CDT Sat May 6 2023

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-070900-
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-
350 AM CDT Sat May 6 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

 There is a slight risk for a few strong to severe thunderstorms
 across portions of northeastern Missouri this afternoon into the
 evening. The main threats will be for damaging winds and large hail.

 The first early season heat is expected today and tomorrow as
 temperatures will rise into the upper 80s to lower 90s. Early
 season heat is when we see the most heat related illnesses as
 people may not be acclimated yet.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

 Severe storms will also be possible Sunday night and again on Monday
 as a cold front moves through the area. The main threat will be for
 damaging winds and large hail.

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

In the hours before

Special weather statement, May 6, 6:29 AM CDT, 2 hours 44 minutes before

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Special weather statement, May 6, 7:00 AM CDT, 2 hours 13 minutes before

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Special weather statement, May 6, 7:35 AM CDT, 1 hour 38 minutes before

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Special weather statement, May 6, 8:01 AM CDT, 1 hour 12 minutes before

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Special weather statement, May 6, 8:34 AM CDT, 39 minutes before

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Special weather statement, May 6, 9:01 AM CDT, 12 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 6:29 AM CDT	Special Weather Statement	EAX	Howard, Saline	31 min
May 6, 7:00 AM CDT	Special Weather Statement	EAX	Chariton	30 min
May 6, 7:35 AM CDT	Special Weather Statement	EAX	Macon	25 min
May 6, 8:01 AM CDT	Special Weather Statement	EAX	Adair, Macon	44 min
May 6, 8:34 AM CDT	Special Weather Statement	EAX	Adair	26 min
May 6, 9:01 AM CDT	Special Weather Statement	EAX	Randolph	14 min
May 6, 4:01 PM CDT	Special Weather Statement	EAX	Atchison	44 min
May 6, 4:11 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	34 min
May 6, 4:36 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Holt, Nodaway	39 min
May 6, 4:44 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Nodaway	46 min
May 6, 5:14 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Nodaway, Worth	46 min
May 6, 5:22 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway	38 min
May 6, 5:34 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Nodaway	26 min
May 6, 5:40 PM CDT	Tornado Warning	EAX	Gentry, Nodaway	20 min
May 6, 5:55 PM CDT	Tornado Warning	EAX	Gentry, Harrison	50 min
May 6, 6:16 PM CDT	Special Weather Statement	EAX	Gentry	29 min
May 6, 6:33 PM CDT	Tornado Warning	EAX	Daviess, Grundy, Harrison, Mercer	42 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2023 Every 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.