Alert archive / Kansas / Severe Thunderstorm Watches in 2011

Severe Thunderstorm Watch 463

June 11, 201117 counties in Kansas; 15 counties in Oklahoma; 8 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jun 11, 2011, 3:39 PM CDT for 17 counties in Kansas; 15 counties in Oklahoma; 8 counties in Texas. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Jun 11, 2011, 3:39 PM CDT (20:39 UTC)
Expired
Jun 12, 2011, 1:00 AM CDT
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 40 counties

Barber County, KS, Clark County, KS, Comanche County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Cimarron County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Harper County, OK, Major County, OK, Roger Mills County, OK, Texas County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX

The radar

The Dodge City radar (KDDC), 98 km from the middle of the area, began a volume at 20:39 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
5%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
40%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 11, 4:15 PM CDTSevere Thunderstorm WarningDDCClark, Comanche45 min
Jun 11, 4:44 PM CDTSevere Thunderstorm WarningDDCHamilton61 min
Jun 11, 5:17 PM CDTSevere Thunderstorm WarningAMATexas28 min
Jun 11, 5:19 PM CDTSevere Thunderstorm WarningDDCMorton, Stevens41 min
Jun 11, 5:36 PM CDTSevere Thunderstorm WarningDDCHamilton, Stanton54 min
Jun 11, 5:51 PM CDTSevere Thunderstorm WarningDDCGrant, Morton, Stanton, Stevens39 min
Jun 11, 5:55 PM CDTSevere Thunderstorm WarningDDCMorton, Stevens50 min
Jun 11, 6:03 PM CDTSevere Thunderstorm WarningDDCGrant, Hamilton, Kearny, Stanton42 min
Jun 11, 6:07 PM CDTSevere Thunderstorm WarningOUNCuster, Dewey38 min
Jun 11, 6:13 PM CDTSevere Thunderstorm WarningDDCGrant, Stanton47 min
Jun 11, 6:16 PM CDTSevere Thunderstorm WarningAMABeaver44 min
Jun 11, 6:20 PM CDTSevere Thunderstorm WarningAMAHansford, Ochiltree40 min
Jun 11, 6:42 PM CDTSevere Thunderstorm WarningDDCSeward, Stevens48 min
Jun 11, 6:55 PM CDTTornado WarningAMABeaver, Texas35 min
Jun 11, 7:04 PM CDTSevere Thunderstorm WarningAMABeaver56 min
Jun 11, 7:08 PM CDTSevere Thunderstorm WarningOUNBlaine, Custer, Dewey37 min
Jun 11, 7:16 PM CDTTornado WarningDDCMeade, Seward29 min
Jun 11, 7:20 PM CDTSevere Thunderstorm WarningDDCSeward, Stevens35 min
Jun 11, 7:24 PM CDTTornado WarningAMABeaver, Texas51 min
Jun 11, 7:29 PM CDTTornado WarningAMABeaver31 min
Jun 11, 7:36 PM CDTSevere Thunderstorm WarningOUNBlaine39 min
Jun 11, 7:40 PM CDTTornado WarningDDCMeade, Seward35 min
Jun 11, 7:43 PM CDTSevere Thunderstorm WarningDDCFinney, Gray29 min
Jun 11, 7:45 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Garfield, Grant45 min
Jun 11, 7:57 PM CDTTornado WarningOUNEllis48 min
Jun 11, 8:00 PM CDTTornado WarningAMABeaver30 min
Jun 11, 8:02 PM CDTSevere Thunderstorm WarningAMABeaver58 min
Jun 11, 8:07 PM CDTTornado WarningAMABeaver23 min
Jun 11, 8:13 PM CDTSevere Thunderstorm WarningDDCMeade47 min
Jun 11, 8:13 PM CDTSevere Thunderstorm WarningOUNBlaine, Canadian, Kingfisher62 min
Jun 11, 8:18 PM CDTSevere Thunderstorm WarningAMABeaver, Texas26 min
Jun 11, 8:29 PM CDTSevere Thunderstorm WarningAMABeaver61 min
Jun 11, 8:42 PM CDTTornado WarningOUNEllis, Woodward48 min
Jun 11, 8:53 PM CDTSevere Thunderstorm WarningAMABeaver56 min
Jun 11, 9:19 PM CDTSevere Thunderstorm WarningAMABeaver39 min
Jun 11, 9:27 PM CDTSevere Thunderstorm WarningOUNWoods48 min
Jun 11, 9:30 PM CDTSevere Thunderstorm WarningOUNWoodward60 min
Jun 11, 9:36 PM CDTSevere Thunderstorm WarningOUNEllis39 min
Jun 11, 9:55 PM CDTSevere Thunderstorm WarningAMABeaver5 min
Jun 11, 10:13 PM CDTSevere Thunderstorm WarningOUNEllis32 min
Jun 11, 10:39 PM CDTSevere Thunderstorm WarningOUNWoodward36 min
Jun 11, 10:45 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Grant, Major, Woods, Woodward45 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 12:00Z, 8.7 hours before the alert went out and 102 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 12:00Z on 2011-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2011-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1356 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 7:47 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 12 more58 min
Jun 10, 10:56 PM CDTMesoscale DiscussionSPCCherokee, Crawford94 min
Jun 11, 12:44 PM CDTMesoscale DiscussionSPCGrant, Hamilton, Haskell, Kearny, Morton, Seward and 2 more91 min
Jun 11, 4:35 PM CDTSevere Thunderstorm WatchSPCCheyenne, Greeley, Logan, Rawlins, Sherman, Thomas and 2 more6 hr
Jun 11, 5:43 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Grant, Gray, Hamilton and 7 more62 min
Jun 10, 8:50 PM CDTMesoscale DiscussionSPCCaddo, Comanche, Grady, Greer, Harmon, Jackson and 3 more55 min
Jun 11, 1:09 PM CDTSevere Thunderstorm WatchSPCCimarron7 hr
Jun 11, 2:28 PM CDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Carter, Cleveland and 25 more2 hr
Jun 11, 4:57 PM CDTMesoscale DiscussionSPCHaskell, Latimer, LeFlore, McIntosh, Sequoyah63 min

Nearby

Severe Thunderstorm Watches in Kansas, 2011Severe Thunderstorm Watches in Oklahoma, 2011Severe Thunderstorm Watches in Texas, 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.