Alert archive / Kansas / Severe Thunderstorm Watches in 2015

Severe Thunderstorm Watch 159

May 10, 20154 states

The Storm Prediction Center issued this severe thunderstorm watch at May 10, 2015, 1:47 PM CDT for 4 states. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
May 10, 2015, 1:47 PM CDT (18:47 UTC)
Expired
May 10, 2015, 9:31 PM CDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 87 counties

Adams County, IA, Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marshall County, KS, Miami County, KS, Montgomery County, KS, Morris County, KS, Nemaha County, KS, Neosho County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Barry County, MO, Barton County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Cass County, MO, Cedar County, MO, Christian County, MO, Clay County, MO, Clinton County, MO, Dade County, MO, DeKalb County, MO, Gentry County, MO, Greene County, MO, Henry County, MO, Holt County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Lafayette County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Nodaway County, MO, Platte County, MO, Polk County, MO, Ray County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Worth County, MO, Cass County, NE, Johnson County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE

The radar

The Topeka radar (KTWX), 60 km from the middle of the area, began a volume at 18:47 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
20%
One or more EF2 to EF5 tornadoes
10%
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%

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, 6.8 hours before the alert went out and 63 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-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2015-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 493 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2015-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
493 J/kg
Mixed-layer CIN
-157 J/kg
Mixed-layer LCL
718 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 10, 10:24 AM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 16 more3 hr
May 10, 10:46 AM CDTTornado WatchSPCAdair, Audubon, Buena Vista, Calhoun, Carroll, Cass and 21 more8 hr
May 10, 11:52 AM CDTMesoscale DiscussionSPCAdams, Decatur, Fremont, Page, Ringgold, Taylor2 hr
May 10, 2:43 PM CDTMesoscale DiscussionSPCAdams, Audubon, Buena Vista, Cass, Cherokee, Crawford and 11 more92 min
May 10, 3:13 PM CDTMesoscale DiscussionSPCPage92 min
May 10, 5:17 PM CDTMesoscale DiscussionSPCCedar, Clinton, Des Moines, Henry, Iowa, Jackson and 9 more88 min
May 9, 8:10 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Decatur, Edwards and 14 more95 min
May 10, 12:33 PM CDTMesoscale DiscussionSPCCowley2 hr
May 10, 11:00 AM CDTMesoscale DiscussionSPCBarton, Bates, Benton, Boone, Camden, Cedar and 32 more3 hr
May 10, 1:22 PM CDTTornado WatchSPCAdair, Audrain, Benton, Boone, Butler, Callaway and 54 more4 hr
May 10, 3:52 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Crawford, Franklin and 24 more68 min
May 10, 4:02 PM CDTSevere Thunderstorm WatchSPCBollinger, Cape Girardeau, Jefferson, Lincoln, Mississippi, New Madrid and 8 more4 hr
May 10, 6:30 PM CDTMesoscale DiscussionSPCCape Girardeau, Mississippi, New Madrid, Scott, Stoddard90 min

Nearby

Severe Thunderstorm Watches in Kansas, 2015Severe Thunderstorm Watches in Missouri, 2015Severe Thunderstorm Watches in Iowa, 2015Every 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.