Alert archive / Kansas / Severe Thunderstorm Watches in 2011

Severe Thunderstorm Watch 353

May 24, 201143 counties in Kansas

The Storm Prediction Center issued this severe thunderstorm watch at May 24, 2011, 6:51 AM CDT for 43 counties in Kansas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 24, 2011, 6:51 AM CDT (11:51 UTC)
Expired
May 24, 2011, 12:20 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 43 counties

Barton County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Geary County, KS, Greenwood County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Jewell County, KS, Lincoln County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Nemaha County, KS, Ness County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Phillips County, KS, Pottawatomie County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Shawnee County, KS, Smith County, KS, Stafford County, KS, Wabaunsee County, KS, Washington County, KS

The radar

The Wichita radar (KICT), 149 km from the middle of the area, began a volume at 11:52 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
30%
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
20%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 24, 6:57 AM CDTSevere Thunderstorm WarningDDCEllis30 min
May 24, 7:08 AM CDTSevere Thunderstorm WarningICTBarton, Russell67 min
May 24, 7:45 AM CDTSevere Thunderstorm WarningICTEllsworth, Lincoln60 min
May 24, 7:49 AM CDTSevere Thunderstorm WarningGIDMitchell, Osborne41 min
May 24, 8:18 AM CDTSevere Thunderstorm WarningGIDJewell, Mitchell27 min
May 24, 8:23 AM CDTSevere Thunderstorm WarningTOPCloud, Ottawa52 min
May 24, 8:26 AM CDTSevere Thunderstorm WarningGIDMitchell18 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

Dodge City, (KDDC), launched 00:00Z, 11.9 hours before the alert went out and 209 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, Dodge City, at 00:00Z on 2011-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 379 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, Dodge City, at 00:00Z on 2011-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
379 J/kg
Mixed-layer CIN
-123 J/kg
Mixed-layer LCL
2280 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 24, 2:24 AM CDTMesoscale DiscussionSPCCheyenne, Decatur, Ellis, Gove, Graham, Hodgeman and 12 more96 min
May 24, 2:42 AM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Ellis, Gove, Graham, Greeley and 15 more4 hr
May 24, 6:21 AM CDTMesoscale DiscussionSPCBarton, Chase, Clay, Cloud, Dickinson, Edwards and 25 more54 min
May 24, 9:18 AM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Chase, Clay and 28 more87 min
May 24, 10:37 AM CDTMesoscale DiscussionSPCCheyenne, Rawlins, Sherman, Thomas83 min
May 24, 12:59 PM CDTMesoscale DiscussionSPCBarton, Edwards, Ellis, Ellsworth, Finney, Ford and 26 more91 min
May 24, 1:27 PM CDTTornado WatchSPCBarber, Clark, Comanche, Edwards, Ellis, Finney and 30 more6 hr
May 24, 2:35 PM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Chase, Chautauqua, Coffey and 27 more85 min
May 24, 3:14 PM CDTTornado Watch PDSSPCAllen, Barton, Butler, Chase, Chautauqua, Cowley and 20 more9 hr
May 24, 5:03 PM CDTMesoscale DiscussionSPCClay, Cloud, Dickinson, Geary, Jewell, Lincoln and 11 more57 min
May 24, 5:19 PM CDTTornado WatchSPCAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 23 more7 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2011Every severe thunderstorm watch in 2011

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.