Alert archive / Kansas / Mesoscale Discussions in 2013

Mesoscale Discussion 1472

July 22, 201315 counties in Kansas; 6 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Jul 22, 2013, 8:48 PM CDT for 15 counties in Kansas; 6 counties in Oklahoma. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued
Jul 22, 2013, 8:48 PM CDT (01:48 UTC)
Expired
Jul 22, 2013, 9:45 PM CDT
In force
57 min
Issued by
the Storm Prediction Center
All 21 counties

Barber County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ford County, KS, Gray County, KS, Harper County, KS, Haskell County, KS, Kingman County, KS, Kiowa County, KS, Meade County, KS, Pratt County, KS, Sedgwick County, KS, Seward County, KS, Sumner County, KS, Alfalfa County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Noble County, OK, Woods County, OK

The radar

The Dodge City radar (KDDC), 88 km from the middle of the area, began a volume at 01:48 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 nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.8 hours before the alert went out and 85 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 2013-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 491 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 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 2013-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939Sfc1 km3 km6 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
491 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
3082 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Jul 23, 7:46 AM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Butler, Chase, Clay and 36 more89 min
Jul 23, 2:56 PM CDTMesoscale DiscussionSPCAllen, Barber, Barton, Bourbon, Butler, Chase and 26 more2 hr
Jul 23, 3:02 PM CDTSevere Thunderstorm WatchSPCBourbon, Cherokee, Crawford7 hr
Jul 23, 5:15 PM CDTSevere Thunderstorm WatchSPCAllen, Barber, Barton, Butler, Chase, Chautauqua and 31 more8 hr
Jul 23, 12:33 PM CDTMesoscale DiscussionSPCAdair, Cherokee, Craig, Delaware, Haskell, LeFlore and 5 more87 min
Jul 23, 4:56 PM CDTMesoscale DiscussionSPCBryan, Choctaw, McCurtain, Pushmataha2 hr

Nearby

Mesoscale Discussions in Kansas, 2013Mesoscale Discussions in Oklahoma, 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.