Alert archive / Texas / Severe Thunderstorm Watches in 2007

Severe Thunderstorm Watch 375

June 9, 200713 counties in Kansas; Beaver County, Cimarron County, Texas County, Oklahoma; 19 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jun 9, 2007, 7:20 PM CDT for 13 counties in Kansas; Beaver County, Cimarron County, Texas County, Oklahoma; 19 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 9, 2007, 7:20 PM CDT (00:20 UTC)
Expired
Jun 10, 2007, 12:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 35 counties

Clark County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Beaver County, OK, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Dallam County, TX, Deaf Smith County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 166 km from the middle of the area, began a volume at 00:20 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
2%
Ten or more severe wind reports
60%
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
20%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 9, 7:56 PM CDTSevere Thunderstorm WarningDDCFinney, Kearny49 min
Jun 9, 8:01 PM CDTSevere Thunderstorm WarningDDCGrant, Stanton44 min
Jun 9, 8:39 PM CDTSevere Thunderstorm WarningDDCGrant51 min
Jun 9, 10:22 PM CDTSevere Thunderstorm WarningAMATexas53 min
Jun 9, 10:25 PM CDTSevere Thunderstorm WarningDDCFord50 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, 0.3 hours before the alert went out and 177 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 2007-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2441 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 2007-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 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
2441 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1460 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 9:50 PM CDTMesoscale DiscussionSPCEdwards, Ford, Gray, Haskell, Hodgeman, Meade and 2 more85 min
Jun 9, 11:11 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Butler and 46 more3 hr
Jun 10, 4:16 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Cherokee, Coffey, Cowley and 10 more89 min
Jun 10, 4:33 PM CDTTornado WatchSPCAllen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 3 more7 hr
Jun 10, 6:43 PM CDTMesoscale DiscussionSPCAllen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 2 more92 min
Jun 10, 11:28 AM CDTMesoscale DiscussionSPCAtoka, Carter, Choctaw, Cleveland, Coal, Comanche and 21 more92 min
Jun 10, 1:37 PM CDTSevere Thunderstorm WatchSPCAdair, Caddo, Canadian, Cherokee, Cleveland, Coal and 35 more9 hr
Jun 10, 3:35 PM CDTMesoscale DiscussionSPCAdair, Canadian, Cherokee, Cleveland, Coal, Creek and 31 more55 min

Nearby

Severe Thunderstorm Watches in Texas, 2007Severe Thunderstorm Watches in Kansas, 2007Severe Thunderstorm Watches in Oklahoma, 2007Every severe thunderstorm watch in 2007

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.