Alert archive / Kansas / Mesoscale Discussions in 2013

Mesoscale Discussion 1629

August 5, 201340 counties in Kansas; 9 counties in Nebraska; 4 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Aug 5, 2013, 6:08 PM CDT for 40 counties in Kansas; 9 counties in Nebraska; 4 counties in Oklahoma. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued
Aug 5, 2013, 6:08 PM CDT (23:08 UTC)
Expired
Aug 5, 2013, 7:45 PM CDT
In force
97 min
Issued by
the Storm Prediction Center
All 53 counties

Barber County, KS, Barton County, KS, Butler County, KS, Clark County, KS, Comanche County, KS, Cowley County, KS, Decatur County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Gray County, KS, Harper County, KS, Harvey County, KS, Hodgeman County, KS, Kingman County, KS, Kiowa County, KS, Lane County, KS, Logan County, KS, McPherson County, KS, Meade County, KS, Ness County, KS, Norton County, KS, Pawnee County, KS, Pratt County, KS, Rawlins County, KS, Reno County, KS, Rice County, KS, Rush County, KS, Russell County, KS, Scott County, KS, Sedgwick County, KS, Sheridan County, KS, Stafford County, KS, Sumner County, KS, Thomas County, KS, Trego County, KS, Wichita County, KS, Buffalo County, NE, Dawson County, NE, Frontier County, NE, Gosper County, NE, Hayes County, NE, Hitchcock County, NE, Phelps County, NE, Red Willow County, NE, Sherman County, NE, Alfalfa County, OK, Grant County, OK, Kay County, OK, Woods County, OK

The radar

The Dodge City radar (KDDC), 140 km from the middle of the area, began a volume at 23:08 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

Dodge City, (KDDC), launched 12:00Z, 11.1 hours before the alert went out and 134 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 2013-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 965 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 2013-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
965 J/kg
Mixed-layer CIN
-205 J/kg
Mixed-layer LCL
1336 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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
Aug 5, 1:14 PM CDTMesoscale DiscussionSPCBarton, Cheyenne, Decatur, Edwards, Ellis, Gove and 19 more61 min
Aug 5, 2:08 PM CDTSevere Thunderstorm WatchSPCBarton, Cheyenne, Decatur, Edwards, Ellis, Ellsworth and 33 more8 hr
Aug 5, 5:13 PM CDTMesoscale DiscussionSPCAllen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 4 more3 hr
Aug 5, 6:30 PM CDTSevere Thunderstorm WatchSPCAllen, Barber, Barton, Butler, Chase, Chautauqua and 30 more8 hr
Aug 5, 6:14 AM CDTMesoscale DiscussionSPCBoyd, Holt, Keya Paha, Rock91 min

Nearby

Mesoscale Discussions in Kansas, 2013Mesoscale Discussions in Nebraska, 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.