Alert archive / Missouri / Excessive Heat Warnings in 2010

Excessive Heat Warning 2, NWS Kansas City, MO

July 18, 20108 counties in Missouri; 5 counties in Kansas

NWS Kansas City, MO issued this excessive heat warning at Jul 18, 2010, 3:48 PM CDT for 8 counties in Missouri; 5 counties in Kansas. It was in force for 52 hr. 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, 3:48 PM CDT (20:48 UTC)
Expired: Jul 20, 2010, 7:51 PM CDT
In force: 52 hr
Issued by: NWS Kansas City, MO

Counties Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Bates County, MO, Cass County, MO, Clay County, MO, Henry County, MO, Jackson County, MO, Johnson County, MO, Pettis County, MO, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 13 km from the middle of the area, began a volume at 20:46 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, 8.8 hours before the alert went out and 218 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 excessive heat 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 excessive heat warning went out at Jul 18, 2:57 PM CDT, 51 minutes earlier.

Area forecast discussion, Jul 18, 2:57 PM CDT, 51 minutes before

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Hazardous weather outlook, Jul 18, 1:00 PM CDT, 2 hours 48 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, 7:22 AM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard	23 min
Jul 18, 7:45 AM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard, Pettis, Saline	30 min
Jul 18, 3:48 PM CDT	Heat Advisory	EAX	Andrew, Buchanan, Caldwell, Carroll, Chariton, Clinton and 10 more	52 hr

Nearby

Excessive Heat Warnings in Missouri, 2010 Excessive Heat Warnings in Kansas, 2010 Every excessive heat 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.