Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

August 7, 2021Norton County, Kansas

NWS Goodland, KS issued this special weather statement at Aug 7, 2021, 5:30 AM CDT for Norton County, Kansas. It was in force for 30 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 7, 2021, 5:30 AM CDT (10:30 UTC)
Expired: Aug 7, 2021, 6:00 AM CDT
In force: 30 min
Issued by: NWS Goodland, KS
Hail: 0.00 in
Wind: 50

County Norton County, KS

The radar

The Goodland radar (KGLD), 145 km from the middle of the area, began a volume at 10:30 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 10.5 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 870 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 3229 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 185 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted.

325 
WWUS83 KGLD 071030
SPSGLD

Special Weather Statement
National Weather Service Goodland KS
530 AM CDT Sat Aug 7 2021
 
KSZ003-004-071100-
Norton KS-Decatur KS-
530 AM CDT Sat Aug 7 2021

...A strong thunderstorm will impact portions of northwestern Norton
and northeastern Decatur Counties through 600 AM CDT...

At 530 AM CDT, Doppler radar was tracking a strong thunderstorm 6
miles north of Norcatur, or 17 miles west of Norton, moving east at
30 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

This storm will remain over mainly rural areas of northwestern Norton
and northeastern Decatur Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3984 10033 4000 10034 4000 9989 3984 9988
TIME...MOT...LOC 1030Z 258DEG 26KT 3993 10021 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

$$

Vincent

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 8:15 PM CDT	Special Weather Statement	GLD	Cheyenne	15 min
Aug 6, 8:36 PM CDT	Special Weather Statement	GLD	Cheyenne	9 min
Aug 6, 8:47 PM CDT	Special Weather Statement	GLD	Cheyenne	13 min
Aug 6, 9:37 PM CDT	Special Weather Statement	GLD	Sherman	23 min
Aug 6, 9:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Sherman	34 min
Aug 6, 9:49 PM CDT	Special Weather Statement	GLD	Cheyenne	26 min
Aug 6, 9:55 PM CDT	Special Weather Statement	GLD	Sherman	20 min
Aug 6, 10:31 PM CDT	Special Weather Statement	GLD	Thomas	14 min
Aug 7, 3:44 PM CDT	Special Weather Statement	GLD	Greeley	31 min
Aug 7, 3:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Greeley, Wichita	38 min
Aug 7, 4:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Greeley, Wallace	63 min
Aug 7, 4:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Wichita	46 min
Aug 7, 5:08 PM CDT	Special Weather Statement	GLD	Greeley	22 min
Aug 7, 5:11 PM CDT	Severe Thunderstorm Warning	GLD	Logan	48 min
Aug 7, 5:17 PM CDT	Severe Thunderstorm Warning	GLD	Greeley, Wichita	43 min
Aug 7, 5:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Logan, Sheridan, Thomas	58 min
Aug 7, 5:52 PM CDT	Severe Thunderstorm Warning	GLD	Greeley	38 min
Aug 7, 6:10 PM CDT	Severe Thunderstorm Warning	GLD	Wichita	56 min
Aug 7, 6:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Sheridan, Thomas	56 min
Aug 7, 6:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Decatur, Sheridan	75 min
Aug 6, 7:39 PM CDT	Special Weather Statement	GLD	Yuma	21 min
Aug 6, 9:08 PM CDT	Special Weather Statement	GLD	Kit Carson	22 min
Aug 6, 9:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Kit Carson	32 min
Aug 7, 3:58 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	32 min
Aug 7, 4:28 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	16 min
Aug 6, 8:51 PM CDT	Special Weather Statement	GLD	Dundy	9 min
Aug 6, 9:03 PM CDT	Special Weather Statement	GLD	Dundy	12 min
Aug 6, 9:32 PM CDT	Special Weather Statement	GLD	Hitchcock	28 min

Nearby

Special Weather Statements in Kansas, 2021 Every 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.