Alert archive / Kansas / Mesoscale Discussions in 2020

Mesoscale Discussion 129

February 24, 202011 counties in Kansas; Beaver County, Harper County, Texas County, Oklahoma; 7 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Feb 24, 2020, 5:20 PM CST for 11 counties in Kansas; Beaver County, Harper County, Texas County, Oklahoma; 7 counties in Texas. It was in force for 55 min.

The area

The outline as issued.

The facts

Issued
Feb 24, 2020, 5:20 PM CST (23:20 UTC)
Expired
Feb 24, 2020, 6:15 PM CST
In force
55 min
Issued by
the Storm Prediction Center
Chance of a watch
5%
All 21 counties

Clark County, KS, Comanche County, KS, Edwards County, KS, Ford County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Kiowa County, KS, Meade County, KS, Seward County, KS, Stevens County, KS, Beaver County, OK, Harper County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Sherman County, TX

The radar

The Dodge City radar (KDDC), 113 km from the middle of the area, began a volume at 23:20 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 12:00Z, 11.3 hours before the alert went out and 117 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 2020-02-24Temperature 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 2020-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -99 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
532 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-99 m²/s²
0-3 km storm-relative helicity
-26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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Nearby

Mesoscale Discussions in Kansas, 2020Mesoscale Discussions in Texas, 2020Mesoscale Discussions in Oklahoma, 2020Every mesoscale discussion in 2020

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.