Alert archive / Missouri / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 221, NWS Kansas City, MO

July 18, 2010Cooper County, Howard County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 18, 2010, 7:22 AM CDT for Cooper County, Howard County, Missouri. It was in force for 23 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 18, 2010, 7:22 AM CDT (12:22 UTC)
Expired: Jul 18, 2010, 7:45 AM CDT
In force: 23 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cooper County, MO, Howard County, MO

The radar

The Pleasant Hill radar (KEAX), 132 km from the middle of the area, began a volume at 12:23 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, 0.4 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: 3527 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 934 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 132 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 7.4

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 18, 6:43 AM CDT, 39 minutes earlier.

Area forecast discussion, Jul 18, 6:43 AM CDT, 39 minutes before

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Hazardous weather outlook, Jul 18, 5:57 AM CDT, 1 hour 25 minutes before

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In the hours before

Local storm report, Jul 18, 5:26 AM CDT, 1 hour 56 minutes before

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Local storm report, Jul 18, 5:49 AM CDT, 1 hour 33 minutes before

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Local storm report, Jul 18, 5:57 AM CDT, 1 hour 25 minutes before

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Local storm report, Jul 18, 6:03 AM CDT, 1 hour 19 minutes before

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Local storm report, Jul 18, 6:27 AM CDT, 55 minutes before

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Special weather statement, Jul 18, 7:16 AM CDT, 6 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
Jul 18, 1:33 AM CDT	Special Weather Statement	EAX	Atchison	27 min
Jul 18, 1:40 AM CDT	Severe Thunderstorm Warning	EAX	Atchison, Holt	35 min
Jul 18, 2:12 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, Atchison, Holt, Nodaway	33 min
Jul 18, 2:34 AM CDT	Areal Flood Advisory	EAX	Atchison, Holt, Nodaway	4 hr
Jul 18, 2:41 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, Atchison, DeKalb, Gentry, Holt, Nodaway and 1 more	49 min
Jul 18, 2:57 AM CDT	Special Weather Statement	EAX	Buchanan	33 min
Jul 18, 3:29 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, Daviess, DeKalb, Gentry, Harrison, Nodaway and 1 more	31 min
Jul 18, 3:56 AM CDT	Special Weather Statement	EAX	Caldwell, Clinton, Daviess, DeKalb	49 min
Jul 18, 4:22 AM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Daviess, Grundy, Livingston	23 min
Jul 18, 4:39 AM CDT	Severe Thunderstorm Warning	EAX	Adair, Caldwell, Chariton, Grundy, Linn, Livingston and 2 more	51 min
Jul 18, 4:43 AM CDT	Severe Thunderstorm Warning	EAX	Putnam, Schuyler, Sullivan	47 min
Jul 18, 5:16 AM CDT	Severe Thunderstorm Warning	EAX	Adair, Putnam, Schuyler	29 min
Jul 18, 5:27 AM CDT	Severe Thunderstorm Warning	EAX	Adair, Chariton, Linn, Macon, Randolph	48 min
Jul 18, 5:32 AM CDT	Severe Thunderstorm Warning	EAX	Schuyler	13 min
Jul 18, 6:01 AM CDT	Severe Thunderstorm Warning	EAX	Chariton, Howard, Randolph, Saline	44 min
Jul 18, 6:15 AM CDT	Severe Thunderstorm Warning	EAX	Macon, Randolph	30 min
Jul 18, 7:16 AM CDT	Special Weather Statement	EAX	Howard	29 min
Jul 18, 7:45 AM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard, Pettis, Saline	30 min
Jul 18, 3:48 PM CDT	Excessive Heat Warning	EAX	Bates, Cass, Clay, Henry, Jackson, Johnson and 2 more	52 hr
Jul 18, 3:48 PM CDT	Heat Advisory	EAX	Andrew, Buchanan, Caldwell, Carroll, Chariton, Clinton and 10 more	52 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2010 Every severe thunderstorm warning in 2010

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.