Alert archive / Kansas / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 153

May 8, 201615 counties in Kansas

The Storm Prediction Center issued this severe thunderstorm watch at May 8, 2016, 11:56 PM CDT for 15 counties in Kansas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
May 8, 2016, 11:56 PM CDT (04:56 UTC)
Expired
May 9, 2016, 4:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt

Counties Clay County, KS, Cloud County, KS, Ellis County, KS, Ellsworth County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Osborne County, KS, Ottawa County, KS, Republic County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Washington County, KS

The radar

The Grand Island radar (KUEX), 103 km from the middle of the area, began a volume at 04:58 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
20%
One or more EF2 to EF5 tornadoes
2%
Ten or more severe wind reports
20%
One or more gusts of 65 knots or more
5%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
10%
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
May 9, 12:04 AM CDTSevere Thunderstorm WarningGIDMitchell41 min
May 9, 12:10 AM CDTSevere Thunderstorm WarningGIDOsborne, Rooks35 min
May 9, 12:28 AM CDTSevere Thunderstorm WarningTOPCloud, Ottawa62 min
May 9, 12:42 AM CDTSevere Thunderstorm WarningGIDMitchell, Osborne48 min
May 9, 12:44 AM CDTSevere Thunderstorm WarningGIDMitchell14 min
May 9, 1:16 AM CDTSevere Thunderstorm WarningGIDJewell, Mitchell44 min
May 9, 1:27 AM CDTSevere Thunderstorm WarningTOPClay, Cloud, Washington48 min
May 9, 1:40 AM CDTSevere Thunderstorm WarningTOPCloud, Republic25 min
May 9, 2:09 AM CDTSevere Thunderstorm WarningTOPWashington41 min
May 9, 2:28 AM CDTSevere Thunderstorm WarningGIDMitchell32 min
May 9, 3:11 AM CDTSevere Thunderstorm WarningGIDPhillips, Rooks, Smith23 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, 4.9 hours before the alert went out and 219 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 2016-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 233 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 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 2016-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
233 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
2958 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 7:48 PM CDTMesoscale DiscussionSPCClay, Cloud, Ottawa, Republic, Washington117 min
May 8, 9:08 PM CDTSevere Thunderstorm WatchSPCClay, Cloud, Ottawa, Republic, Washington3 hr
May 8, 11:17 PM CDTMesoscale DiscussionSPCClay, Cloud, Ellis, Ellsworth, Jewell, Lincoln and 10 more88 min
May 9, 3:35 AM CDTMesoscale DiscussionSPCButler, Chase, Clay, Cloud, Dickinson, Geary and 23 more115 min
May 9, 1:46 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Butler and 53 more59 min
May 9, 2:07 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Brown, Butler, Chase, Chautauqua and 41 more10 hr
May 9, 5:29 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Barber, Bourbon, Brown and 48 more61 min

Nearby

Severe Thunderstorm Watches in Kansas, 2016Every severe thunderstorm watch in 2016

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.