Alert archive / Kansas / Tornado Watches in 2010

Tornado Watch 304

June 12, 201025 counties in Kansas; Beaver County, Harper County, Texas County, Oklahoma; 10 counties in Texas

The Storm Prediction Center issued this tornado watch at Jun 12, 2010, 2:41 PM CDT for 25 counties in Kansas; Beaver County, Harper County, Texas County, Oklahoma; 10 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 12, 2010, 2:41 PM CDT (19:41 UTC)
Expired
Jun 12, 2010, 10:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
3 in
Strongest gust expected
60 kt
All 38 counties

Barton County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ellsworth County, KS, Finney County, KS, Ford County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Kiowa County, KS, Lane County, KS, Lincoln County, KS, McPherson County, KS, Meade County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Rice County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Seward County, KS, Stafford County, KS, Stevens County, KS, Beaver County, OK, Harper County, OK, Texas County, OK, Carson County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Potter County, TX, Roberts County, TX, Sherman County, TX

The radar

The Dodge City radar (KDDC), 129 km from the middle of the area, began a volume at 19:42 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
50%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
50%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 12, 2:41 PM CDTSevere Thunderstorm WarningAMADallam, Hartley, Moore, Sherman64 min
Jun 12, 2:56 PM CDTSevere Thunderstorm WarningDDCHodgeman, Ness, Pawnee, Rush33 min
Jun 12, 3:05 PM CDTSevere Thunderstorm WarningAMATexas85 min
Jun 12, 3:14 PM CDTTornado WarningAMAHansford, Hutchinson, Moore, Sherman61 min
Jun 12, 3:48 PM CDTSevere Thunderstorm WarningDDCHodgeman, Ness, Pawnee42 min
Jun 12, 4:25 PM CDTSevere Thunderstorm WarningAMABeaver, Texas95 min
Jun 12, 4:29 PM CDTSevere Thunderstorm WarningDDCHodgeman, Ness, Pawnee, Rush46 min
Jun 12, 4:54 PM CDTSevere Thunderstorm WarningDDCHodgeman, Ness, Pawnee, Rush51 min
Jun 12, 4:59 PM CDTTornado WarningDDCRush31 min
Jun 12, 5:19 PM CDTSevere Thunderstorm WarningICTBarton56 min
Jun 12, 5:54 PM CDTTornado WarningICTBarton36 min
Jun 12, 5:55 PM CDTSevere Thunderstorm WarningAMABeaver, Texas95 min
Jun 12, 6:12 PM CDTSevere Thunderstorm WarningICTBarton, Ellsworth, Rice63 min
Jun 12, 6:16 PM CDTSevere Thunderstorm WarningAMADallam, Hansford, Hartley, Moore, Sherman89 min
Jun 12, 6:22 PM CDTTornado WarningICTBarton, Ellsworth, Rice23 min
Jun 12, 6:23 PM CDTSevere Thunderstorm WarningDDCFinney, Ford, Gray, Hodgeman52 min
Jun 12, 6:43 PM CDTFlash Flood WarningICTBarton6 hr
Jun 12, 6:44 PM CDTTornado WarningAMADallam, Hartley, Moore, Sherman61 min
Jun 12, 6:46 PM CDTTornado WarningICTBarton, Ellsworth, Rice44 min
Jun 12, 7:01 PM CDTFlash Flood WarningAMADallam, Hansford, Hartley, Hutchinson, Moore, Ochiltree and 2 more6 hr
Jun 12, 7:16 PM CDTSevere Thunderstorm WarningICTEllsworth, Rice59 min
Jun 12, 7:17 PM CDTSevere Thunderstorm WarningDDCFord, Hodgeman20 min
Jun 12, 7:25 PM CDTSevere Thunderstorm WarningAMABeaver95 min
Jun 12, 7:38 PM CDTSevere Thunderstorm WarningAMABeaver, Texas97 min
Jun 12, 8:53 PM CDTSevere Thunderstorm WarningAMABeaver97 min
Jun 12, 8:57 PM CDTSevere Thunderstorm WarningAMACimarron, Texas93 min
Jun 12, 9:02 PM CDTTornado WarningAMAHansford, Hemphill, Hutchinson, Lipscomb, Ochiltree, Roberts58 min
Jun 12, 9:15 PM CDTSevere Thunderstorm WarningAMABeaver, Texas90 min
Jun 12, 9:38 PM CDTSevere Thunderstorm WarningAMACimarron, Texas97 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 7.7 hours before the alert went out and 192 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, Amarillo Airport, TX at 12:00Z on 2010-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1486 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, Amarillo Airport, TX at 12:00Z on 2010-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -88 square meters per square second.19395878Sfc1 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
1486 J/kg
Mixed-layer CIN
-218 J/kg
Mixed-layer LCL
1288 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-88 m²/s²
0-3 km storm-relative helicity
-95 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 11, 7:34 PM CDTTornado WatchSPCCheyenne, Decatur, Gove, Graham, Greeley, Logan and 11 more5 hr
Jun 11, 8:44 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Logan, Norton, Rawlins, Sheridan and 3 more2 hr
Jun 11, 10:34 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Gove, Graham, Jewell, Logan and 8 more86 min
Jun 12, 1:00 AM CDTSevere Thunderstorm WatchSPCJewell, Phillips, Smith6 hr
Jun 12, 3:16 AM CDTMesoscale DiscussionSPCDecatur, Jewell, Norton, Phillips, Smith59 min
Jun 12, 2:00 PM CDTMesoscale DiscussionSPCClark, Ford, Gray, Haskell, Hodgeman, Meade and 1 more60 min
Jun 12, 6:32 PM CDTMesoscale DiscussionSPCBarton, Clark, Edwards, Ford, Gray, Hodgeman and 8 more3 hr
Jun 12, 3:14 PM CDTSevere Thunderstorm WatchSPCCimarron7 hr
Jun 12, 5:24 PM CDTMesoscale DiscussionSPCAndrews, Bailey, Borden, Briscoe, Castro, Cochran and 26 more66 min
Jun 12, 5:38 PM CDTSevere Thunderstorm WatchSPCAndrews, Bailey, Brewster, Castro, Cochran, Crane and 17 more5 hr

Nearby

Tornado Watches in Kansas, 2010Tornado Watches in Texas, 2010Tornado Watches in Oklahoma, 2010Every tornado watch 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.