Alert archive / Kansas / Severe Thunderstorm Watches in 2015

Severe Thunderstorm Watch 61

April 16, 201523 counties in Kansas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 16, 2015, 4:02 PM CDT for 23 counties in Kansas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 16, 2015, 4:02 PM CDT (21:02 UTC)
Expired
Apr 16, 2015, 10:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt
All 23 counties

Barber County, KS, Barton County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ford County, KS, Gray County, KS, Harper County, KS, Harvey County, KS, Hodgeman County, KS, Kingman County, KS, Kiowa County, KS, Marion County, KS, McPherson County, KS, Meade County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Seward County, KS, Stafford County, KS, Sumner County, KS

The radar

The Dodge City radar (KDDC), 64 km from the middle of the area, began a volume at 21:03 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
2%
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
10%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 16, 4:09 PM CDTSevere Thunderstorm WarningICTReno, Rice36 min
Apr 16, 4:20 PM CDTSevere Thunderstorm WarningICTMcPherson, Reno, Rice40 min
Apr 16, 4:43 PM CDTSevere Thunderstorm WarningICTReno, Rice32 min
Apr 16, 4:51 PM CDTSevere Thunderstorm WarningICTMcPherson24 min
Apr 16, 4:55 PM CDTSevere Thunderstorm WarningICTKingman35 min
Apr 16, 5:10 PM CDTSevere Thunderstorm WarningICTReno35 min
Apr 16, 5:13 PM CDTSevere Thunderstorm WarningICTMcPherson32 min
Apr 16, 5:40 PM CDTSevere Thunderstorm WarningICTReno35 min
Apr 16, 5:40 PM CDTSevere Thunderstorm WarningICTReno35 min
Apr 16, 5:42 PM CDTSevere Thunderstorm WarningICTMcPherson33 min
Apr 16, 6:12 PM CDTSevere Thunderstorm WarningICTMcPherson, Saline21 min
Apr 16, 7:12 PM CDTSevere Thunderstorm WarningICTHarvey33 min
Apr 16, 7:37 PM CDTSevere Thunderstorm WarningICTHarvey, McPherson, Marion23 min
Apr 16, 9:09 PM CDTSevere Thunderstorm WarningICTHarper36 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, 9.0 hours before the alert went out and 59 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 2015-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 283 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 2015-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 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
283 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
1583 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 16, 12:17 PM CDTMesoscale DiscussionSPCBarton, Clark, Comanche, Edwards, Ellis, Ellsworth and 34 more118 min
Apr 16, 3:08 PM CDTMesoscale DiscussionSPCBarton, Clark, Clay, Cloud, Edwards, Ellis and 32 more2 hr
Apr 16, 6:23 PM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Chase, Clark, Comanche and 23 more97 min

Nearby

Severe Thunderstorm Watches in Kansas, 2015Every severe thunderstorm watch in 2015

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.