Alert archive / Kansas / Severe Thunderstorm Watches in 2014

Severe Thunderstorm Watch 480

August 31, 201439 counties in Kansas

The Storm Prediction Center issued this severe thunderstorm watch at Aug 31, 2014, 5:34 PM CDT for 39 counties in Kansas. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Aug 31, 2014, 5:34 PM CDT (22:34 UTC)
Expired
Sep 1, 2014, 3:00 AM CDT
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
3 in
Strongest gust expected
65 kt
All 39 counties

Anderson County, KS, Barton County, KS, Brown County, KS, Chase County, KS, Clark County, KS, Coffey County, KS, Dickinson County, KS, Douglas County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Ford County, KS, Franklin County, KS, Geary County, KS, Harvey County, KS, Hodgeman County, KS, Jackson County, KS, Jefferson County, KS, Kiowa County, KS, Lincoln County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Morris County, KS, Nemaha County, KS, Ness County, KS, Osage County, KS, Pawnee County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Riley County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Shawnee County, KS, Stafford County, KS, Wabaunsee County, KS

The radar

The Wichita radar (KICT), 119 km from the middle of the area, began a volume at 22:34 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
5%
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
30%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Aug 31, 5:47 PM CDTSevere Thunderstorm WarningICTRussell28 min
Aug 31, 5:49 PM CDTSevere Thunderstorm WarningICTBarton, Russell56 min
Aug 31, 5:55 PM CDTSevere Thunderstorm WarningDDCRush50 min
Aug 31, 5:59 PM CDTSevere Thunderstorm WarningICTLincoln46 min
Aug 31, 6:05 PM CDTSevere Thunderstorm WarningDDCNess25 min
Aug 31, 6:22 PM CDTSevere Thunderstorm WarningDDCPawnee, Rush53 min
Aug 31, 6:38 PM CDTSevere Thunderstorm WarningTOPClay, Marshall, Pottawatomie, Riley, Washington52 min
Aug 31, 6:42 PM CDTSevere Thunderstorm WarningICTBarton33 min
Aug 31, 7:13 PM CDTSevere Thunderstorm WarningICTBarton, Ellsworth, Rice47 min
Aug 31, 7:14 PM CDTSevere Thunderstorm WarningDDCPawnee, Rush, Stafford16 min
Aug 31, 7:21 PM CDTSevere Thunderstorm WarningTOPClay, Geary, Pottawatomie, Riley39 min
Aug 31, 7:38 PM CDTSevere Thunderstorm WarningTOPMarshall, Pottawatomie, Riley52 min
Aug 31, 7:44 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha46 min
Aug 31, 7:51 PM CDTSevere Thunderstorm WarningDDCEllis, Rush41 min
Aug 31, 7:51 PM CDTSevere Thunderstorm WarningTOPJackson, Marshall, Nemaha, Pottawatomie, Riley, Wabaunsee39 min
Aug 31, 8:01 PM CDTSevere Thunderstorm WarningTOPClay, Dickinson, Geary, Morris, Ottawa, Riley44 min
Aug 31, 8:08 PM CDTSevere Thunderstorm WarningDDCPawnee, Rush27 min
Aug 31, 8:11 PM CDTSevere Thunderstorm WarningDDCEdwards, Ford, Kiowa34 min
Aug 31, 8:25 PM CDTSevere Thunderstorm WarningDDCLane, Ness, Trego35 min
Aug 31, 8:37 PM CDTSevere Thunderstorm WarningICTBarton, Rice53 min
Aug 31, 9:04 PM CDTSevere Thunderstorm WarningICTRice26 min
Aug 31, 9:32 PM CDTSevere Thunderstorm WarningTOPDouglas, Franklin, Osage, Shawnee43 min
Aug 31, 9:56 PM CDTSevere Thunderstorm WarningTOPDouglas, Franklin19 min
Aug 31, 10:28 PM CDTSevere Thunderstorm WarningICTBarton, Ellsworth, Russell32 min
Aug 31, 10:54 PM CDTSevere Thunderstorm WarningDDCNess, Pawnee, Rush36 min
Aug 31, 11:28 PM CDTSevere Thunderstorm WarningDDCPawnee, Rush21 min
Aug 31, 11:29 PM CDTFlash Flood WarningTOPDickinson4 hr
Sep 1, 12:03 AM CDTSevere Thunderstorm WarningICTMcPherson, Saline27 min
Sep 1, 12:20 AM CDTSevere Thunderstorm WarningICTChase, Harvey, McPherson, Marion40 min
Sep 1, 12:56 AM CDTSevere Thunderstorm WarningICTChase, Marion35 min
Sep 1, 1:09 AM CDTSevere Thunderstorm WarningTOPLyon51 min
Sep 1, 1:39 AM CDTSevere Thunderstorm WarningTOPCoffey, Lyon36 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 12:00Z, 10.6 hours before the alert went out and 190 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 12:00Z on 2014-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 238 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 12:00Z on 2014-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 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
238 J/kg
Mixed-layer CIN
-355 J/kg
Mixed-layer LCL
2269 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
403 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
Aug 31, 2:20 PM CDTMesoscale DiscussionSPCCloud, Jewell, Marshall, Mitchell, Osborne, Phillips and 4 more85 min
Aug 31, 3:31 PM CDTTornado WatchSPCClay, Cloud, Jewell, Marshall, Mitchell, Osborne and 6 more5 hr
Aug 31, 3:46 PM CDTMesoscale DiscussionSPCFinney, Gray, Haskell, Kearny, Meade, Seward119 min
Aug 31, 5:17 PM CDTMesoscale DiscussionSPCBarton, Edwards, Ellsworth, Ford, Gray, Harvey and 12 more58 min
Aug 31, 6:07 PM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Doniphan, Jackson, Marshall and 3 more83 min

Nearby

Severe Thunderstorm Watches in Kansas, 2014Every severe thunderstorm watch in 2014

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.