Alert archive / Missouri / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 276, NWS Kansas City, MO

August 13, 2010Cass County, Missouri; Miami County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Aug 13, 2010, 11:13 PM CDT for Cass County, Missouri; Miami County, Kansas. 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: Aug 13, 2010, 11:13 PM CDT (04:13 UTC)
Expired: Aug 13, 2010, 11:45 PM CDT
In force: 32 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Miami County, KS, Cass County, MO

The radar

The Pleasant Hill radar (KEAX), 37 km from the middle of the area, began a volume at 04:15 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

Lamont, OK (KLMN), launched 00:00Z, 4.2 hours before the alert went out and 336 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: 569 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 3013 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 89 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 Aug 13, 6:41 PM CDT, 4 hours 32 minutes earlier.

Area forecast discussion, Aug 13, 6:41 PM CDT, 4 hours 32 minutes before

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Hazardous weather outlook, Aug 13, 1:00 PM CDT, 10 hours 13 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
100 PM CDT FRI AUG 13 2010

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-141100-
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-
100 PM CDT FRI AUG 13 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

 OPPRESSIVE HEAT AND HUMIDITY WILL CONTINUE ACROSS ALL BUT FAR
 NORTHWEST MISSOURI THROUGH THIS AFTERNOON. TEMPERATURES WILL SOAR
 INTO THE UPPER 90S TO LOWER 100S...WITH HEAT INDICES RANGING FROM
 110 TO 118 DEGREES. A CLUSTER OF THUNDERSTORMS ACROSS NORTHEAST
 KANSAS AND NORTHWEST MISSOURI WILL GRADUALLY BUILD EAST ACROSS
 NORTHERN MISSOURI THIS AFTERNOON. A FEW STORMS MAY PRODUCE LOCALLY
 STRONG WIND GUSTS...IN ADDITION TO HEAVY RAIN AND FREQUENT
 LIGHTNING.

 FURTHER SOUTH...A LAYER OF HOT AIR ALOFT WAS PREVENTING
 THUNDERSTORM DEVELOPMENT AND THIS TREND MAY CONTINUE THROUGH THE
 AFTERNOON HOURS FOR AREAS ALONG AND SOUTH OF THE MISSOURI RIVER.
 ANY STORMS THAT DO DEVELOP ACROSS WEST CENTRAL MISSOURI AND EAST
 CENTRAL KANSAS COULD QUICKLY BECOME SEVERE WITH DAMAGING
 DOWNBURST WINDS POSSIBLE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

 THE HEAT IS EXPECTED TO LINGER GENERALLY SOUTH OF A LINE FROM
 KANSAS CITY TO MOBERLY THROUGH SATURDAY. WHILE TEMPERATURES MAY BE
 A FEW DEGREES COOLER ON SATURDAY...ADDITIONAL LOW LEVEL MOISTURE
 WILL SUPPORT HEAT INDEX READINGS IN THE 105 TO 110 DEGREE RANGE.

 A STRONG COLD FRONT WILL LIKELY BE ACCOMPANIED BY A COMPLEX OF
 THUNDERSTORMS SATURDAY NIGHT. STRONG TO SEVERE STORMS WILL BE
 POSSIBLE IN AREAS ALONG AND SOUTH OF THE FRONT FROM EAST CENTRAL
 KANSAS INTO CENTRAL MISSOURI DURING THE EARLY MORNING HOURS
 SUNDAY.

.SPOTTER INFORMATION STATEMENT...

 WIDESPREAD SPOTTER ACTIVATION IS PRESENTLY NOT ANTICIPATED...BUT
 ARE ENCOURAGED TO MONITOR LOCAL CONDITIONS AND REPORT SEVERE
 WEATHER IF OBSERVED.

BOOKBINDER

In the hours before

Local storm report, Aug 13, 6:41 PM CDT, 4 hours 32 minutes before

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Local storm report, Aug 13, 6:43 PM CDT, 4 hours 30 minutes before

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Local storm report, Aug 13, 6:47 PM CDT, 4 hours 26 minutes before

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Local storm report, Aug 13, 6:48 PM CDT, 4 hours 25 minutes before

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Local storm report, Aug 13, 6:52 PM CDT, 4 hours 21 minutes before

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Local storm report, Aug 13, 6:54 PM CDT, 4 hours 19 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
Aug 13, 7:13 PM CDT	Special Weather Statement	EAX	Jackson, Lafayette, Ray	47 min
Aug 13, 7:21 PM CDT	Special Weather Statement	EAX	Carroll	39 min
Aug 13, 7:21 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Clinton, Jackson, Ray	39 min
Aug 13, 7:27 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Grundy, Linn, Livingston, Sullivan	48 min
Aug 13, 8:04 PM CDT	Special Weather Statement	EAX	Clay, Platte	41 min
Aug 13, 8:17 PM CDT	Special Weather Statement	EAX	Chariton	43 min
Aug 13, 8:39 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Linn, Macon, Randolph	51 min
Aug 13, 8:48 PM CDT	Special Weather Statement	EAX	Schuyler	27 min
Aug 13, 9:18 PM CDT	Special Weather Statement	EAX	Adair, Schuyler	27 min
Aug 13, 9:30 PM CDT	Special Weather Statement	EAX	Randolph	15 min
Aug 13, 10:36 PM CDT	Special Weather Statement	EAX	Cass	39 min
Aug 13, 10:51 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson, Johnson, Lafayette	24 min
Aug 13, 11:55 PM CDT	Special Weather Statement	EAX	Cass	35 min
Aug 14, 1:10 AM CDT	Special Weather Statement	EAX	Henry	50 min
Aug 13, 8:36 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	39 min
Aug 13, 9:22 PM CDT	Special Weather Statement	EAX	Johnson	38 min
Aug 13, 10:02 PM CDT	Special Weather Statement	EAX	Miami	43 min
Aug 13, 11:04 PM CDT	Special Weather Statement	EAX	Miami	26 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2010 Severe Thunderstorm Warnings in Kansas, 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.