Alert archive / Missouri / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 60, NWS Kansas City, MO

April 30, 2010Howard County, Randolph County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 30, 2010, 3:28 PM CDT for Howard County, Randolph County, Missouri. It was in force for 32 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 30, 2010, 3:28 PM CDT (20:28 UTC)
Expired: Apr 30, 2010, 4:00 PM CDT
In force: 32 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Howard County, MO, Randolph County, MO

The radar

The Pleasant Hill radar (KEAX), 154 km from the middle of the area, began a volume at 20:28 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 (KTOP), launched 12:00Z, 8.5 hours before the alert went out and 264 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: 1 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 543 m above ground
0-6 km bulk shear: 80 kt
0-1 km storm-relative helicity: -80 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 30, 12:31 PM CDT, 2 hours 57 minutes earlier.

Area forecast discussion, Apr 30, 12:31 PM CDT, 2 hours 57 minutes before

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Hazardous weather outlook, Apr 30, 12:51 PM CDT, 2 hours 37 minutes before

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In the hours before

Special weather statement, Apr 30, 9:28 AM CDT, 6 hours before

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Local storm report, Apr 30, 11:11 AM CDT, 4 hours 17 minutes before

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Special weather statement, Apr 30, 11:28 AM CDT, 4 hours 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
Apr 29, 11:12 PM CDT	Wind Advisory	EAX	Bates, Buchanan, Cass, Clay, Clinton, Jackson and 1 more	5 hr
Apr 30, 8:22 AM CDT	Special Weather Statement	EAX	DeKalb	23 min
Apr 30, 8:35 AM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Clay, Clinton, DeKalb, Platte	25 min
Apr 30, 8:38 AM CDT	Severe Thunderstorm Warning	EAX	Daviess, Harrison, Mercer	37 min
Apr 30, 9:28 AM CDT	Special Weather Statement	EAX	Daviess, Harrison, Mercer	32 min
Apr 30, 9:49 AM CDT	Severe Thunderstorm Warning	EAX	Mercer	26 min
Apr 30, 10:48 AM CDT	Severe Thunderstorm Warning	EAX	Grundy, Linn, Livingston, Mercer, Sullivan	27 min
Apr 30, 11:16 AM CDT	Severe Thunderstorm Warning	EAX	Putnam, Sullivan	29 min
Apr 30, 11:28 AM CDT	Special Weather Statement	EAX	Bates	32 min
Apr 30, 8:11 AM CDT	Special Weather Statement	EAX	Leavenworth	34 min
Apr 30, 9:08 AM CDT	Special Weather Statement	EAX	Johnson, Miami, Wyandotte	37 min

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.