Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

August 12, 2021Wallace County, Kansas

NWS Goodland, KS issued this special weather statement at Aug 12, 2021, 2:21 PM MDT for Wallace County, Kansas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 12, 2021, 2:21 PM MDT (20:21 UTC)
Expired
Aug 12, 2021, 2:45 PM MDT
In force
24 min
Issued by
NWS Goodland, KS
Hail
0.25 in
Wind
40

County Wallace County, KS

The radar

The Goodland radar (KGLD), 45 km from the middle of the area, began a volume at 20:20 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

Denver, CO (KDNR), launched 12:00Z, 8.4 hours before the alert went out and 141 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, Denver, CO at 12:00Z on 2021-08-12Temperature 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, Denver, CO at 12:00Z on 2021-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.1939Sfc1 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
3412 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
-6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

325 
WWUS83 KGLD 122021
SPSGLD

Special Weather Statement
National Weather Service Goodland KS
221 PM MDT Thu Aug 12 2021
 
COZ092-KSZ027-122045-
Cheyenne County CO-Wallace KS-
221 PM MDT Thu Aug 12 2021

...A strong thunderstorm will impact portions of northeastern
Cheyenne County in east central Colorado and northwestern Wallace
Counties in west central Kansas through 245 PM MDT...

At 221 PM MDT, Doppler radar was tracking a strong thunderstorm 13
miles north of Weskan, or 15 miles northwest of Sharon Springs,
moving south at 5 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

This storm will remain over mainly rural areas of northeastern
Cheyenne County County in east central Colorado and northwestern
Wallace Counties in west central Kansas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3905 10208 3905 10205 3911 10205 3913 10184
      3892 10176 3890 10211
TIME...MOT...LOC 2021Z 355DEG 5KT 3905 10195 

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

$$

024

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 11, 7:09 PM MDTSpecial Weather StatementGLDWichita36 min
Aug 11, 7:39 PM MDTSevere Thunderstorm WarningGLDWichita21 min
Aug 11, 8:00 PM MDTSpecial Weather StatementGLDWichita15 min
Aug 11, 8:21 PM MDTSpecial Weather StatementGLDWichita24 min
Aug 12, 2:38 PM MDTSpecial Weather StatementGLDGreeley37 min
Aug 12, 2:58 PM MDTSpecial Weather StatementGLDWichita32 min
Aug 12, 3:19 PM MDTSpecial Weather StatementGLDGove26 min
Aug 12, 3:44 PM MDTSpecial Weather StatementGLDWallace31 min
Aug 12, 3:53 PM MDTSevere Thunderstorm WarningGLDWichita37 min
Aug 12, 3:54 PM MDTSpecial Weather StatementGLDLogan36 min
Aug 12, 4:24 PM MDTSpecial Weather StatementGLDLogan36 min
Aug 12, 4:45 PM MDTSpecial Weather StatementGLDWallace30 min
Aug 12, 4:53 PM MDTSpecial Weather StatementGLDSheridan37 min
Aug 12, 5:09 PM MDTSpecial Weather StatementGLDLogan36 min
Aug 12, 5:14 PM MDTSevere Thunderstorm WarningGLDGove, Sheridan, Thomas61 min
Aug 12, 5:46 PM MDTSpecial Weather StatementGLDLogan29 min
Aug 12, 3:20 PM MDTSpecial Weather StatementGLDCheyenne25 min
Aug 12, 3:36 PM MDTSpecial Weather StatementGLDCheyenne24 min
Aug 12, 4:20 PM MDTSpecial Weather StatementGLDCheyenne25 min
Aug 12, 4:46 PM MDTSpecial Weather StatementGLDCheyenne29 min

Nearby

Special Weather Statements in Kansas, 2021Every special weather statement in 2021

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.