Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

August 6, 2021Cheyenne County, Kansas

NWS Goodland, KS issued this special weather statement at Aug 6, 2021, 9:49 PM CDT for Cheyenne County, Kansas. It was in force for 26 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 6, 2021, 9:49 PM CDT (02:49 UTC)
Expired
Aug 6, 2021, 10:15 PM CDT
In force
26 min
Issued by
NWS Goodland, KS
Hail
0.88 in
Wind
50

County Cheyenne County, KS

The radar

The Goodland radar (KGLD), 59 km from the middle of the area, began a volume at 02:53 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 00:00Z, 2.8 hours before the alert went out and 139 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 00:00Z on 2021-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2021-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
4 J/kg
Mixed-layer CIN
-256 J/kg
Mixed-layer LCL
3329 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

791 
WWUS83 KGLD 070249
SPSGLD

Special Weather Statement
National Weather Service Goodland KS
949 PM CDT Fri Aug 6 2021
 
KSZ001-070315-
Cheyenne KS-
949 PM CDT Fri Aug 6 2021

...A strong thunderstorm will impact portions of northeastern
Cheyenne County in northwestern Kansas through 1015 PM CDT...

At 949 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles northeast of St. Francis, moving east at 30 mph.

HAZARD...Wind gusts up to 50 mph and nickel 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 in northwestern Kansas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3984 10145 3978 10178 3988 10184 4000 10157
      4000 10152
TIME...MOT...LOC 0249Z 247DEG 25KT 3985 10172 

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

$$

Lundquist

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 8:15 PM CDTSpecial Weather StatementGLDCheyenne15 min
Aug 6, 8:36 PM CDTSpecial Weather StatementGLDCheyenne9 min
Aug 6, 8:47 PM CDTSpecial Weather StatementGLDCheyenne13 min
Aug 6, 9:37 PM CDTSpecial Weather StatementGLDSherman23 min
Aug 6, 9:41 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDSherman34 min
Aug 6, 9:55 PM CDTSpecial Weather StatementGLDSherman20 min
Aug 6, 10:31 PM CDTSpecial Weather StatementGLDThomas14 min
Aug 7, 5:30 AM CDTSpecial Weather StatementGLDNorton30 min
Aug 7, 3:44 PM CDTSpecial Weather StatementGLDGreeley31 min
Aug 7, 3:52 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDGreeley, Wichita38 min
Aug 7, 4:12 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDGreeley, Wallace63 min
Aug 7, 4:29 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDWichita46 min
Aug 7, 5:08 PM CDTSpecial Weather StatementGLDGreeley22 min
Aug 7, 5:11 PM CDTSevere Thunderstorm WarningGLDLogan48 min
Aug 7, 5:17 PM CDTSevere Thunderstorm WarningGLDGreeley, Wichita43 min
Aug 7, 5:32 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDLogan, Sheridan, Thomas58 min
Aug 7, 5:52 PM CDTSevere Thunderstorm WarningGLDGreeley38 min
Aug 7, 6:10 PM CDTSevere Thunderstorm WarningGLDWichita56 min
Aug 7, 6:24 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDSheridan, Thomas56 min
Aug 7, 6:45 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDDecatur, Sheridan75 min
Aug 6, 7:39 PM CDTSpecial Weather StatementGLDYuma21 min
Aug 6, 9:08 PM CDTSpecial Weather StatementGLDKit Carson22 min
Aug 6, 9:28 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDKit Carson32 min
Aug 7, 3:58 PM CDTSevere Thunderstorm WarningGLDCheyenne32 min
Aug 7, 4:28 PM CDTSevere Thunderstorm WarningGLDCheyenne16 min
Aug 6, 8:51 PM CDTSpecial Weather StatementGLDDundy9 min
Aug 6, 9:03 PM CDTSpecial Weather StatementGLDDundy12 min
Aug 6, 9:32 PM CDTSpecial Weather StatementGLDHitchcock28 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.