Alert archive / Missouri / Severe Thunderstorm Watches in 2015

Severe Thunderstorm Watch 355

June 25, 20155 counties in Kansas; 23 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Jun 25, 2015, 5:53 PM CDT for 5 counties in Kansas; 23 counties in Missouri. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued: Jun 25, 2015, 5:53 PM CDT (22:53 UTC)
Expired: Jun 26, 2015, 3:00 AM CDT
In force: 9 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 60 kt

All 28 counties

Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Pettis County, MO, Platte County, MO, Randolph County, MO, Ray County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 71 km from the middle of the area, began a volume at 22:57 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 10%
One or more EF2 to EF5 tornadoes: 5%
Ten or more severe wind reports: 40%
One or more gusts of 65 knots or more: 20%
Ten or more severe hail reports: 30%
One or more hailstones of 2 inches or more: 30%
Six or more combined severe hail and wind reports: 70%

Warnings issued inside it

14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 25, 6:28 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Linn, Macon, Randolph	62 min
Jun 25, 6:35 PM CDT	Severe Thunderstorm Warning	EAX	Saline	40 min
Jun 25, 6:51 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette	39 min
Jun 25, 7:11 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard, Pettis, Saline	49 min
Jun 25, 7:32 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson, Johnson	43 min
Jun 25, 8:03 PM CDT	Flash Flood Warning	EAX	Saline	6 hr
Jun 25, 11:37 PM CDT	Flash Flood Warning	EAX	Clinton	6 hr
Jun 26, 12:39 AM CDT	Flash Flood Warning	EAX	Clay, Clinton	8 hr
Jun 26, 1:12 AM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	33 min
Jun 26, 1:32 AM CDT	Flash Flood Warning	EAX	Lafayette, Ray	6 hr
Jun 26, 1:43 AM CDT	Severe Thunderstorm Warning	EAX	Johnson	47 min
Jun 26, 2:08 AM CDT	Severe Thunderstorm Warning	EAX	Johnson, Miami	37 min
Jun 26, 2:13 AM CDT	Flash Flood Warning	EAX	Pettis, Saline	7 hr
Jun 26, 2:38 AM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry, Johnson, Lafayette, Pettis	52 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 10.9 hours before the alert went out and 152 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: 525 J/kg
Mixed-layer CIN: -373 J/kg
Mixed-layer LCL: 1677 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 298 m²/s²
0-3 km storm-relative helicity: 398 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 4:52 PM CDT	Mesoscale Discussion	SPC	Dickinson, Douglas, Franklin, Geary, Jackson, Jefferson and 10 more	113 min
Jun 25, 5:25 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Rawlins, Sherman, Thomas	95 min
Jun 25, 6:22 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Rawlins	83 min
Jun 24, 7:49 PM CDT	Mesoscale Discussion	SPC	Adair, Clark, Grundy, Harrison, Knox, Mercer and 5 more	116 min
Jun 24, 9:26 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Clark, Grundy, Knox, Lewis, Linn and 12 more	6 hr
Jun 24, 10:00 PM CDT	Mesoscale Discussion	SPC	Putnam, Schuyler, Scotland	2 hr
Jun 24, 11:23 PM CDT	Mesoscale Discussion	SPC	Adair, Audrain, Clark, Knox, Lewis, Macon and 9 more	2 hr
Jun 25, 2:02 AM CDT	Mesoscale Discussion	SPC	Audrain, Lincoln, Marion, Monroe, Montgomery, Pike and 4 more	118 min
Jun 25, 3:55 PM CDT	Mesoscale Discussion	SPC	Lincoln, Marion, Pike, Ralls, Saint Charles, Saint Louis and 2 more	2 hr
Jun 25, 4:53 PM CDT	Severe Thunderstorm Watch	SPC	Audrain, Boone, Callaway, Cole, Franklin, Gasconade and 16 more	9 hr

Nearby

Severe Thunderstorm Watches in Missouri, 2015 Severe Thunderstorm Watches in Kansas, 2015 Every severe thunderstorm watch in 2015

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.