Alert archive / Kansas / Severe Thunderstorm Watches in 2007

Severe Thunderstorm Watch 702

October 13, 200739 counties in Kansas; 12 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Oct 13, 2007, 9:17 PM CDT for 39 counties in Kansas; 12 counties in Nebraska. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Oct 13, 2007, 9:17 PM CDT (02:17 UTC)
Expired
Oct 14, 2007, 5:00 AM CDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
50 kt
All 51 counties

Barton County, KS, Cloud County, KS, Decatur County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Jewell County, KS, Kearny County, KS, Lane County, KS, Lincoln County, KS, Logan County, KS, Mitchell County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Phillips County, KS, Republic County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Scott County, KS, Sheridan County, KS, Smith County, KS, Stafford County, KS, Thomas County, KS, Trego County, KS, Wichita County, KS, Adams County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Gosper County, NE, Harlan County, NE, Kearney County, NE, Nuckolls County, NE, Phelps County, NE, Thayer County, NE, Webster County, NE

The radar

The Grand Island radar (KUEX), 147 km from the middle of the area, began a volume at 02:19 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
5%
One or more EF2 to EF5 tornadoes
2%
Ten or more severe wind reports
10%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Oct 13, 9:35 PM CDTSevere Thunderstorm WarningDDCFord18 min
Oct 13, 9:41 PM CDTSevere Thunderstorm WarningDDCFinney, Hodgeman, Lane, Ness34 min
Oct 13, 10:08 PM CDTSevere Thunderstorm WarningGLDNorton21 min
Oct 13, 10:10 PM CDTSevere Thunderstorm WarningDDCGray35 min
Oct 13, 10:14 PM CDTSevere Thunderstorm WarningDDCNess, Trego31 min
Oct 13, 10:16 PM CDTSevere Thunderstorm WarningGIDPhillips44 min
Oct 13, 10:42 PM CDTSevere Thunderstorm WarningDDCHodgeman, Pawnee33 min
Oct 13, 10:45 PM CDTSevere Thunderstorm WarningDDCFinney, Gray, Hodgeman30 min
Oct 13, 10:59 PM CDTSevere Thunderstorm WarningGIDPhillips, Smith46 min
Oct 13, 11:40 PM CDTSevere Thunderstorm WarningICTBarton, Russell50 min
Oct 13, 11:46 PM CDTSevere Thunderstorm WarningGIDWebster44 min
Oct 13, 11:57 PM CDTSevere Thunderstorm WarningGIDWebster28 min
Oct 14, 12:19 AM CDTSevere Thunderstorm WarningICTEllsworth, Lincoln, Russell31 min
Oct 14, 12:25 AM CDTSevere Thunderstorm WarningGIDAdams, Webster35 min
Oct 14, 4:44 AM CDTSevere Thunderstorm WarningGIDFurnas, Gosper31 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, 2.3 hours before the alert went out and 182 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 2007-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1349 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 2007-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 285 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
1349 J/kg
Mixed-layer CIN
-130 J/kg
Mixed-layer LCL
1653 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
285 m²/s²
0-3 km storm-relative helicity
496 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 13, 8:27 PM CDTMesoscale DiscussionSPCBarton, Clay, Cloud, Dickinson, Edwards, Ellis and 33 more93 min
Oct 13, 11:01 PM CDTMesoscale DiscussionSPCBarton, Decatur, Edwards, Ellis, Ellsworth, Finney and 27 more89 min
Oct 13, 11:27 PM CDTMesoscale DiscussionSPCClark63 min
Oct 14, 1:53 AM CDTMesoscale DiscussionSPCBarton, Clark, Cloud, Edwards, Ellis, Ellsworth and 15 more2 hr
Oct 14, 12:56 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Cloud, Comanche, Edwards and 18 more64 min
Oct 14, 2:14 PM CDTSevere Thunderstorm WatchSPCBarber, Butler, Chase, Chautauqua, Clay, Cowley and 25 more7 hr
Oct 14, 4:59 PM CDTMesoscale DiscussionSPCButler, Chase, Chautauqua, Clay, Cloud, Cowley and 28 more2 hr
Oct 14, 11:29 AM CDTMesoscale DiscussionSPCAdams, Boone, Buffalo, Dawson, Frontier, Furnas and 15 more91 min

Nearby

Severe Thunderstorm Watches in Kansas, 2007Severe Thunderstorm Watches in Nebraska, 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.