Alert archive / Kansas / Mesoscale Discussions in 2013

Mesoscale Discussion 697

May 19, 20134 states

The Storm Prediction Center issued this mesoscale discussion at May 19, 2013, 12:51 PM CDT for 4 states. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
May 19, 2013, 12:51 PM CDT (17:51 UTC)
Expired
May 19, 2013, 2:45 PM CDT
In force
114 min
Issued by
the Storm Prediction Center
Chance of a watch
80%
All 55 counties

Allen County, KS, Anderson County, KS, Atchison County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Clay County, KS, Coffey County, KS, Cowley County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Kingman County, KS, Labette County, KS, Leavenworth County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Miami County, KS, Montgomery County, KS, Morris County, KS, Nemaha County, KS, Neosho County, KS, Osage County, KS, Pottawatomie County, KS, Reno County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Shawnee County, KS, Sumner County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Buchanan County, MO, Platte County, MO, Pawnee County, NE, Alfalfa County, OK, Grant County, OK, Kay County, OK, Nowata County, OK, Washington County, OK

The radar

The Wichita radar (KICT), 55 km from the middle of the area, began a volume at 17:54 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 5.9 hours before the alert went out and 155 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, Lamont, OK at 12:00Z on 2013-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 697 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, Lamont, OK at 12:00Z on 2013-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 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
697 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1033 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
213 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 18, 7:29 PM CDTTornado WatchSPCClay, Cloud, Dickinson, Geary, Jewell, Marshall and 7 more5 hr
May 18, 7:40 PM CDTMesoscale DiscussionSPCBarber, Barton, Comanche, Dickinson, Edwards, Ellsworth and 15 more65 min
May 18, 10:00 PM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Coffey, Doniphan, Douglas and 14 more30 min
May 18, 10:39 PM CDTTornado WatchSPCAnderson, Atchison, Brown, Coffey, Doniphan, Douglas and 11 more3 hr
May 18, 11:40 PM CDTMesoscale DiscussionSPCClay, Geary, Marshall, Morris, Pottawatomie, Riley and 1 more35 min
May 19, 5:25 AM CDTMesoscale DiscussionSPCAllen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 2 more2 hr
May 19, 1:47 PM CDTTornado WatchSPCAllen, Anderson, Atchison, Barber, Brown, Butler and 53 more10 hr
May 19, 4:57 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Butler, Chase, Chautauqua and 22 more63 min
May 19, 5:54 PM CDTMesoscale DiscussionSPCCherokee, Crawford66 min
May 19, 6:25 PM CDTTornado WatchSPCBourbon, Cherokee, Crawford9 hr
May 19, 6:27 PM CDTMesoscale DiscussionSPCChautauqua, Cowley, Elk63 min
May 19, 1:48 AM CDTMesoscale DiscussionSPCDaviess, DeKalb, Gentry, Harrison, Nodaway, Worth87 min
May 19, 11:30 AM CDTMesoscale DiscussionSPCAdair, Clark, Knox, Lewis, Putnam, Schuyler and 1 more90 min
May 19, 2:59 PM CDTTornado WatchSPCClark, Scotland8 hr
May 18, 8:33 PM CDTMesoscale DiscussionSPCBurt, Cass, Cedar, Colfax, Cuming, Dakota and 13 more117 min
May 18, 9:26 PM CDTSevere Thunderstorm WatchSPCAntelope, Burt, Cass, Cedar, Colfax, Cuming and 19 more5 hr
May 19, 4:34 PM CDTMesoscale DiscussionSPCAdams, Boone, Buffalo, Clay, Franklin, Garfield and 14 more56 min
May 19, 4:50 PM CDTSevere Thunderstorm WatchSPCAdams, Antelope, Boone, Boyd, Buffalo, Burt and 33 more5 hr
May 18, 9:03 PM CDTMesoscale DiscussionSPCAlfalfa, Beaver, Beckham, Blaine, Caddo, Canadian and 33 more57 min
May 18, 10:44 PM CDTMesoscale DiscussionSPCCleveland, Creek, Garvin, Grady, Hughes, Lincoln and 14 more31 min
May 18, 11:00 PM CDTSevere Thunderstorm WatchSPCCarter, Cleveland, Coal, Comanche, Cotton, Craig and 24 more4 hr
May 19, 1:45 PM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Caddo, Canadian, Carter, Cleveland and 26 more60 min
May 19, 2:14 PM CDTTornado WatchSPCAdair, Atoka, Bryan, Caddo, Canadian, Carter and 50 more9 hr
May 19, 3:27 PM CDTMesoscale DiscussionSPCAlfalfa, Beaver, Ellis, Harper, Woods, Woodward63 min
May 19, 4:37 PM CDTMesoscale DiscussionSPCCleveland, Lincoln, Oklahoma, Pottawatomie53 min
May 19, 5:08 PM CDTMesoscale DiscussionSPCCleveland, Creek, Lincoln, Oklahoma, Pottawatomie37 min

Nearby

Mesoscale Discussions in Kansas, 2013Mesoscale Discussions in Oklahoma, 2013Mesoscale Discussions in Missouri, 2013Every mesoscale discussion in 2013

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.