Alert archive / Missouri / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 241, NWS Kansas City, MO

July 30, 2010Cooper County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 30, 2010, 4:36 PM CDT for Cooper County, Missouri. It was in force for 24 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 30, 2010, 4:36 PM CDT (21:36 UTC)
Expired: Jul 30, 2010, 5:00 PM CDT
In force: 24 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Cooper County, MO

The radar

The Pleasant Hill radar (KEAX), 126 km from the middle of the area, began a volume at 21:39 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.

Issued	Product	Office	Lasted
Jul 30, 1:49 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.6 hours before the alert went out and 233 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: 1343 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 973 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 82 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 Jul 30, 4:10 PM CDT, 26 minutes earlier.

Area forecast discussion, Jul 30, 4:10 PM CDT, 26 minutes before

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Hazardous weather outlook, Jul 30, 12:57 PM CDT, 3 hours 39 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1257 PM CDT FRI JUL 30 2010

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-311800-
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-
1257 PM CDT FRI JUL 30 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL AND
WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A BAND OF THUNDERSTORMS ACROSS NORTHERN MISSOURI WILL CONTINUE TO
PUSH EAST SOUTHEAST ACROSS THE OUTLOOK AREA THIS AFTERNOON AND THIS
EVENING. LOCALLY VERY HEAVY RAINFALL IS POSSIBLE. IN ADDITION...A FEW
STORMS MAY PRODUCE DAMAGING WINDS. ADDITIONAL THUNDERSTORMS MAY
DEVELOP IN SOUTHEASTERN NEBRASKA THIS AFTERNOON...AHEAD OF A WEAK
COLD FRONT. ANY STORMS WHICH DEVELOP WILL SHIFT SOUTHEAST TONIGHT AS
THE COLD FRONT DRIVES SOUTHEAST. ALTHOUGH SEVERE WEATHER IS NOT
LIKELY WITH THE STORMS LATER TONIGHT...A FEW STORMS MAY PRODUCE
LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A WEAK COLD FRONT WILL BE NEAR THE IOWA BORDER MONDAY AND TUESDAY.
THIS FRONT MAY TRIGGER SCATTERED THUNDERSTORMS ACROSS FAR NORTHERN
MISSOURI MONDAY AND TUESDAY...MAINLY ALONG AND NORTH OF ROUTE 36.
OTHERWISE...CONDITIONS WILL BE QUITE HOT AND HUMID...WITH
TEMPERATURES RISING INTO THE 90S. HEAT INDICES WILL RISE TO BETWEEN
100 AND 110 MONDAY AND TUESDAY. THE HIGH HEAT INDICES MAY CONTINUE
THROUGH THE REST OF THE WORK WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

In the hours before

Local storm report, Jul 30, 2:24 PM CDT, 2 hours 12 minutes before

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Local storm report, Jul 30, 2:44 PM CDT, 1 hour 52 minutes before

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Local storm report, Jul 30, 2:46 PM CDT, 1 hour 50 minutes before

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Special weather statement, Jul 30, 2:48 PM CDT, 1 hour 48 minutes before

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Local storm report, Jul 30, 3:10 PM CDT, 1 hour 26 minutes before

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Special weather statement, Jul 30, 3:58 PM CDT, 38 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 30, 1:23 PM CDT	Special Weather Statement	EAX	Buchanan, Platte	37 min
Jul 30, 1:52 PM CDT	Special Weather Statement	EAX	Livingston	23 min
Jul 30, 1:54 PM CDT	Special Weather Statement	EAX	Clinton	36 min
Jul 30, 2:09 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Clay, Clinton, Ray	36 min
Jul 30, 2:36 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Ray	39 min
Jul 30, 2:48 PM CDT	Special Weather Statement	EAX	Livingston	42 min
Jul 30, 2:54 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Lafayette, Livingston, Ray, Saline	36 min
Jul 30, 3:29 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Cooper, Howard, Lafayette, Saline	31 min
Jul 30, 3:58 PM CDT	Special Weather Statement	EAX	Cooper, Howard	32 min
Jul 30, 4:04 PM CDT	Areal Flood Advisory	EAX	Chariton, Cooper, Howard, Randolph, Saline	3 hr
Jul 30, 4:17 PM CDT	Severe Thunderstorm Warning	EAX	Howard	28 min
Jul 30, 6:38 PM CDT	Special Weather Statement	EAX	DeKalb	37 min
Jul 30, 6:57 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	33 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.