Alert archive / Kansas / Severe Thunderstorm Watches in 2018

Severe Thunderstorm Watch 200

June 22, 201827 counties in Kansas

The Storm Prediction Center issued this severe thunderstorm watch at Jun 22, 2018, 4:31 PM CDT for 27 counties in Kansas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 22, 2018, 4:31 PM CDT (21:31 UTC)
Expired
Jun 22, 2018, 9:38 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
70 kt
All 27 counties

Barber County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Meade County, KS, Morton County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Rush County, KS, Scott County, KS, Seward County, KS, Stafford County, KS, Stanton County, KS, Stevens County, KS, Trego County, KS

The radar

The Dodge City radar (KDDC), 87 km from the middle of the area, began a volume at 21:33 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
10%
Ten or more severe wind reports
90%
One or more gusts of 65 knots or more
70%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
50%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 22, 4:59 PM CDTSevere Thunderstorm WarningDDCLane, Ness, Scott, Trego61 min
Jun 22, 5:08 PM CDTSevere Thunderstorm WarningDDCFinney, Lane, Scott67 min
Jun 22, 5:14 PM CDTSevere Thunderstorm WarningDDCHamilton, Kearny61 min
Jun 22, 5:44 PM CDTSevere Thunderstorm WarningDDCFinney, Gray, Hodgeman, Lane, Ness, Rush and 1 more61 min
Jun 22, 6:03 PM CDTSevere Thunderstorm WarningDDCEllis, Trego42 min
Jun 22, 6:11 PM CDTSevere Thunderstorm WarningDDCHamilton, Kearny37 min
Jun 22, 6:13 PM CDTSevere Thunderstorm WarningDDCFinney, Kearny41 min
Jun 22, 6:19 PM CDTSevere Thunderstorm WarningDDCClark, Edwards, Ford, Gray, Hodgeman, Kiowa and 1 more56 min
Jun 22, 6:21 PM CDTSevere Thunderstorm WarningDDCClark, Finney, Ford, Grant, Gray, Haskell and 3 more54 min
Jun 22, 7:06 PM CDTSevere Thunderstorm WarningDDCBarber, Clark, Comanche, Edwards, Ford, Kiowa and 2 more54 min
Jun 22, 7:07 PM CDTSevere Thunderstorm WarningDDCClark, Ford, Gray, Meade, Seward53 min
Jun 22, 7:55 PM CDTSevere Thunderstorm WarningDDCBarber, Clark, Comanche, Kiowa, Pratt65 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, 9.5 hours before the alert went out and 90 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 2018-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2018-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1793 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
122 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
Jun 22, 2:06 AM CDTMesoscale DiscussionSPCMorton, Seward, Stanton, Stevens84 min
Jun 22, 12:31 PM CDTMesoscale DiscussionSPCGrant, Greeley, Hamilton, Kearny, Sherman, Stanton and 2 more89 min
Jun 22, 1:19 PM CDTSevere Thunderstorm WatchSPCCheyenne, Finney, Gove, Grant, Greeley, Hamilton and 12 more6 hr
Jun 22, 3:46 PM CDTMesoscale DiscussionSPCClark, Finney, Ford, Grant, Gray, Greeley and 15 more89 min
Jun 22, 5:14 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Finney, Ford and 26 more2 hr
Jun 22, 6:22 PM CDTSevere Thunderstorm WatchSPCBarton, Ellsworth, Harper, Harvey, Kingman, Lincoln and 7 more7 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2018Every severe thunderstorm watch in 2018

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.