Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Topeka, KS

August 10, 2021Cloud County, Kansas

NWS Topeka, KS issued this special weather statement at Aug 10, 2021, 3:13 AM CDT for Cloud County, Kansas. It was in force for 32 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 10, 2021, 3:13 AM CDT (08:13 UTC)
Expired: Aug 10, 2021, 3:45 AM CDT
In force: 32 min
Issued by: NWS Topeka, KS
Hail: 0.88 in
Wind: 50

County Cloud County, KS

The radar

The Grand Island radar (KUEX), 111 km from the middle of the area, began a volume at 08:15 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

Topeka, KS (KTOP), launched 00:00Z, 8.2 hours before the alert went out and 194 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: 3834 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 1380 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

As transmitted.

601 
WWUS83 KTOP 100813
SPSTOP

Special Weather Statement
National Weather Service Topeka KS
313 AM CDT Tue Aug 10 2021
 
KSZ020-034-100845-
Cloud-Ottawa-
313 AM CDT Tue Aug 10 2021

...A strong thunderstorm will impact portions of northwestern Ottawa
and western Cloud Counties through 345 AM CDT...

At 312 AM CDT, Doppler radar was tracking a strong thunderstorm over
Asherville, moving east at 35 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.

Locations impacted include...
Concordia, Glasco and Delphos. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3956 9793 3960 9761 3925 9769 3928 9793
TIME...MOT...LOC 0812Z 277DEG 35KT 3940 9800 

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

$$

Gargan

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 3:24 AM CDT	Severe Thunderstorm Warning	TOP	Cloud	36 min
Aug 10, 3:30 AM CDT	Special Weather Statement	TOP	Ottawa	30 min
Aug 10, 4:01 AM CDT	Special Weather Statement	TOP	Cloud, Ottawa	29 min
Aug 10, 4:26 AM CDT	Special Weather Statement	TOP	Clay, Dickinson	34 min
Aug 10, 4:57 AM CDT	Special Weather Statement	TOP	Clay, Dickinson, Geary, Riley	33 min
Aug 10, 5:11 AM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	22 min
Aug 10, 5:35 AM CDT	Special Weather Statement	TOP	Wabaunsee	25 min
Aug 10, 6:12 AM CDT	Special Weather Statement	TOP	Shawnee	33 min
Aug 10, 6:53 AM CDT	Special Weather Statement	TOP	Douglas	37 min
Aug 10, 7:43 AM CDT	Special Weather Statement	TOP	Franklin	32 min
Aug 10, 4:40 PM CDT	Special Weather Statement	TOP	Lyon	35 min
Aug 10, 4:56 PM CDT	Severe Thunderstorm Warning	TOP	Lyon	49 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.