Alert archive / Kansas / Tornado Watches in 2019

Tornado Watch 146

May 7, 201923 counties in Kansas; 7 counties in Oklahoma

The Storm Prediction Center issued this tornado watch at May 7, 2019, 3:31 PM CDT for 23 counties in Kansas; 7 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 7, 2019, 3:31 PM CDT (20:31 UTC)
Expired
May 7, 2019, 9:19 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
60 kt
All 30 counties

Barber County, KS, Butler County, KS, Chautauqua County, KS, Clark County, KS, Comanche County, KS, Cowley County, KS, Edwards County, KS, Elk County, KS, Ford County, KS, Gray County, KS, Greenwood County, KS, Harper County, KS, Haskell County, KS, Kingman County, KS, Kiowa County, KS, Meade County, KS, Montgomery County, KS, Pratt County, KS, Sedgwick County, KS, Seward County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Alfalfa County, OK, Ellis County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Woods County, OK, Woodward County, OK

The radar

The Dodge City radar (KDDC), 93 km from the middle of the area, began a volume at 20:31 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
50%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
70%
One or more hailstones of 2 inches or more
50%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 7, 3:58 PM CDTSevere Thunderstorm WarningICTSedgwick, Sumner62 min
May 7, 4:20 PM CDTSevere Thunderstorm WarningICTSumner55 min
May 7, 4:39 PM CDTSevere Thunderstorm WarningICTButler, Cowley, Sedgwick66 min
May 7, 5:05 PM CDTSevere Thunderstorm WarningICTCowley, Sumner55 min
May 7, 5:36 PM CDTSevere Thunderstorm WarningICTButler54 min
May 7, 5:38 PM CDTFlash Flood WarningICTButler3 hr
May 7, 5:54 PM CDTSevere Thunderstorm WarningICTCowley66 min
May 7, 5:59 PM CDTFlash Flood WarningDDCClark4 hr
May 7, 6:34 PM CDTSevere Thunderstorm WarningICTButler, Cowley, Elk, Greenwood56 min
May 7, 7:26 PM CDTSevere Thunderstorm WarningOUNWoods49 min
May 7, 7:29 PM CDTSevere Thunderstorm WarningOUNEllis, Roger Mills46 min
May 7, 7:35 PM CDTSevere Thunderstorm WarningICTElk, Greenwood55 min
May 7, 7:56 PM CDTSevere Thunderstorm WarningOUNDewey, Major, Woods, Woodward26 min
May 7, 7:57 PM CDTFlash Flood WarningOUNHarper, Woods3 hr
May 7, 8:13 PM CDTSevere Thunderstorm WarningOUNDewey, Ellis, Woodward47 min
May 7, 8:30 PM CDTSevere Thunderstorm WarningICTGreenwood45 min
May 7, 8:33 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Woods42 min
May 7, 8:46 PM CDTFlash Flood WarningOUNAlfalfa, Woods3 hr
May 7, 8:48 PM CDTSevere Thunderstorm WarningDDCBarber27 min
May 7, 8:56 PM CDTSevere Thunderstorm WarningICTCowley35 min
May 7, 9:00 PM CDTSevere Thunderstorm WarningOUNDewey, Ellis, Roger Mills, Woodward45 min
May 7, 9:15 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Grant45 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, 8.5 hours before the alert went out and 88 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 2019-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 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 2019-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 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
32 J/kg
Mixed-layer CIN
-327 J/kg
Mixed-layer LCL
465 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
416 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 7:26 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 27 more94 min
May 6, 7:41 PM CDTMesoscale DiscussionSPCEdwards, Pawnee, Stafford34 min
May 6, 8:50 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Finney, Ford and 9 more55 min
May 6, 9:12 PM CDTSevere Thunderstorm WatchSPCBourbon, Cherokee, Crawford6 hr
May 6, 10:18 PM CDTMesoscale DiscussionSPCChautauqua, Cherokee, Crawford, Elk, Labette, Montgomery and 2 more57 min
May 6, 10:58 PM CDTMesoscale DiscussionSPCBarber, Butler, Chautauqua, Comanche, Cowley, Elk and 10 more62 min
May 6, 11:56 PM CDTSevere Thunderstorm WatchSPCBarton, Butler, Chautauqua, Cowley, Elk, Ellsworth and 12 more4 hr
May 7, 11:04 AM CDTMesoscale DiscussionSPCClark, Meade, Seward, Stevens116 min
May 7, 2:11 PM CDTMesoscale DiscussionSPCAllen, Anderson, Barber, Butler, Chase, Chautauqua and 17 more2 hr
May 7, 6:01 PM CDTMesoscale DiscussionSPCBarber, Butler, Chautauqua, Clark, Comanche, Cowley and 8 more89 min
May 6, 11:50 PM CDTMesoscale DiscussionSPCCraig, Delaware, Mayes55 min
May 7, 1:28 PM CDTTornado WatchSPCBeaver, Texas9 hr
May 7, 3:41 PM CDTMesoscale DiscussionSPCBeaver94 min
May 7, 4:47 PM CDTTornado WatchSPCCimarron5 hr
May 7, 5:24 PM CDTMesoscale DiscussionSPCBeckham, Custer, Dewey, Ellis, Greer, Kiowa and 3 more66 min
May 7, 5:36 PM CDTMesoscale DiscussionSPCBeaver, Texas54 min
May 7, 5:38 PM CDTTornado WatchSPCBeckham, Blaine, Caddo, Canadian, Custer, Dewey and 11 more4 hr

Nearby

Tornado Watches in Kansas, 2019Tornado Watches in Oklahoma, 2019Every tornado watch in 2019

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.