Alert archive / Kansas / Tornado Watches in 2009

Tornado Watch 417

June 14, 200915 counties in Kansas; 7 counties in Oklahoma

The Storm Prediction Center issued this tornado watch at Jun 14, 2009, 10:54 PM CDT for 15 counties in Kansas; 7 counties in Oklahoma. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 14, 2009, 10:54 PM CDT (03:54 UTC)
Expired
Jun 15, 2009, 4:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 22 counties

Allen County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Labette County, KS, Marion County, KS, Montgomery County, KS, Neosho County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Craig County, OK, Grant County, OK, Kay County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Washington County, OK

The radar

The Wichita radar (KICT), 56 km from the middle of the area, began a volume at 03:56 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
30%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
50%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 14, 11:17 PM CDTSevere Thunderstorm WarningICTSumner58 min
Jun 14, 11:32 PM CDTTornado WarningICTSumner43 min
Jun 15, 12:16 AM CDTSevere Thunderstorm WarningICTSumner44 min
Jun 15, 12:58 AM CDTSevere Thunderstorm WarningICTCowley, Sumner62 min
Jun 15, 1:35 AM CDTTornado WarningICTCowley40 min
Jun 15, 2:17 AM CDTTornado WarningICTChautauqua, Cowley24 min
Jun 15, 2:21 AM CDTFlash Flood WarningICTSumner6 hr

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 3.9 hours before the alert went out and 92 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, Lamont, OK at 00:00Z on 2009-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1209 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, Lamont, OK at 00:00Z on 2009-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
1209 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
1282 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 7:46 PM CDTTornado WatchSPCCheyenne, Decatur, Gove, Graham, Greeley, Logan and 7 more5 hr
Jun 14, 10:36 PM CDTMesoscale DiscussionSPCAtchison, Barton, Brown, Chase, Clay, Cloud and 42 more114 min
Jun 14, 11:45 PM CDTSevere Thunderstorm WatchSPCBrown, Clay, Cloud, Dickinson, Ellsworth, Geary and 21 more7 hr
Jun 15, 2:31 AM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 14 more59 min
Jun 15, 3:55 AM CDTMesoscale DiscussionSPCAnderson, Atchison, Clay, Cloud, Coffey, Dickinson and 25 more65 min
Jun 15, 6:24 AM CDTMesoscale DiscussionSPCAtchison, Dickinson, Douglas, Franklin, Geary, Jackson and 13 more96 min
Jun 15, 11:59 AM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Cherokee, Crawford, Labette and 2 more61 min
Jun 15, 12:52 PM CDTSevere Thunderstorm WatchSPCBourbon, Cherokee, Crawford9 hr
Jun 15, 2:57 PM CDTMesoscale DiscussionSPCCloud, Jewell, Marshall, Norton, Phillips, Republic and 2 more63 min
Jun 15, 3:12 PM CDTTornado WatchSPCBarber, Clark, Comanche, Edwards, Ellis, Finney and 18 more8 hr
Jun 15, 3:34 PM CDTTornado WatchSPCCheyenne, Decatur, Gove, Graham, Greeley, Jewell and 13 more8 hr
Jun 15, 5:04 PM CDTMesoscale DiscussionSPCAllen, Anderson, Butler, Chase, Chautauqua, Clay and 38 more86 min
Jun 15, 6:01 PM CDTTornado WatchSPCAllen, Anderson, Barton, Brown, Butler, Chase and 43 more6 hr
Jun 15, 6:19 PM CDTMesoscale DiscussionSPCDecatur, Jewell, Norton, Phillips, Rawlins, Republic and 1 more86 min
Jun 15, 6:50 PM CDTMesoscale DiscussionSPCBourbon, Cherokee, Crawford85 min
Jun 15, 5:24 PM CDTMesoscale DiscussionSPCBeckham, Ellis, Harmon, Roger Mills96 min

Nearby

Tornado Watches in Kansas, 2009Tornado Watches in Oklahoma, 2009Every tornado watch in 2009

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.