Alert archive / Kansas / Tornado Watches in 2006

Tornado Watch 773

September 15, 200619 counties in Kansas

The Storm Prediction Center issued this tornado watch at Sep 15, 2006, 9:37 PM CDT for 19 counties in Kansas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Sep 15, 2006, 9:37 PM CDT (02:37 UTC)
Expired
Sep 16, 2006, 3:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt

Counties Barber County, KS, Barton County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ellsworth County, KS, Ford County, KS, Harper County, KS, Harvey County, KS, Hodgeman County, KS, Kingman County, KS, Kiowa County, KS, McPherson County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Saline County, KS, Stafford County, KS

The radar

The Dodge City radar (KDDC), 62 km from the middle of the area, began a volume at 02:39 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
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
20%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Sep 15, 10:11 PM CDTSevere Thunderstorm WarningDDCFord, Kiowa49 min
Sep 15, 10:24 PM CDTSevere Thunderstorm WarningDDCEdwards51 min
Sep 15, 10:33 PM CDTSevere Thunderstorm WarningDDCFord23 min
Sep 15, 10:43 PM CDTTornado WarningDDCEdwards47 min
Sep 15, 11:01 PM CDTTornado WarningDDCKiowa44 min
Sep 15, 11:19 PM CDTSevere Thunderstorm WarningDDCEdwards, Stafford56 min
Sep 15, 11:23 PM CDTTornado WarningDDCEdwards, Kiowa, Pratt, Stafford52 min
Sep 15, 11:49 PM CDTSevere Thunderstorm WarningICTReno56 min
Sep 16, 12:32 AM CDTSevere Thunderstorm WarningICTMcPherson, Reno, Rice58 min
Sep 16, 12:47 AM CDTSevere Thunderstorm WarningICTReno, Rice28 min
Sep 16, 1:34 AM CDTSevere Thunderstorm WarningICTReno41 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, 2.6 hours before the alert went out and 56 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 2006-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2048 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 2006-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 265 square meters per square second.1939587897Sfc1 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
2048 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1526 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
265 m²/s²
0-3 km storm-relative helicity
313 m²/s²
Significant tornado parameter
1.8
Supercell composite
13.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 15, 7:26 PM CDTSevere Thunderstorm WatchSPCBarton, Clark, Comanche, Edwards, Ellis, Ellsworth and 14 more8 hr
Sep 15, 8:20 PM CDTSevere Thunderstorm WatchSPCClay, Cloud, Graham, Jewell, Mitchell, Osborne and 6 more7 hr
Sep 16, 1:37 AM CDTMesoscale DiscussionSPCBarton, Butler, Chase, Dickinson, Ellsworth, Geary and 10 more53 min
Sep 16, 3:56 PM CDTTornado WatchSPCBrown, Clay, Cloud, Jackson, Jewell, Marshall and 8 more7 hr
Sep 16, 4:08 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 15 more97 min
Sep 16, 5:54 PM CDTTornado WatchSPCBarber, Barton, Butler, Chase, Clark, Comanche and 27 more8 hr

Nearby

Tornado Watches in Kansas, 2006Every tornado watch in 2006

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.