Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Topeka, KS

July 10, 2021Cloud County, Kansas

NWS Topeka, KS issued this special weather statement at Jul 10, 2021, 4:13 AM CDT for Cloud County, Kansas. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 10, 2021, 4:13 AM CDT (09:13 UTC)
Expired: Jul 10, 2021, 4:45 AM CDT
In force: 32 min
Issued by: NWS Topeka, KS

County Cloud County, KS

The radar

The Grand Island radar (KUEX), 93 km from the middle of the area, began a volume at 09:12 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.

What was reported inside it

Time	Report	Where	Remark
Jul 10, 4:38 AM CDT	TSTM WND GST 61	2 Sse Concordia, KS	KCNK BLOSSER FIELD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 9.2 hours before the alert went out and 196 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: 2790 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 1645 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 132 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.9

Open this sounding in Storm Lab

The text

As transmitted.

115 
WWUS83 KTOP 100913
SPSTOP

Special Weather Statement
National Weather Service Topeka KS
413 AM CDT Sat Jul 10 2021
 
KSZ008-020-100945-
Republic-Cloud-
413 AM CDT Sat Jul 10 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN REPUBLIC AND NORTHERN
CLOUD COUNTIES UNTIL 445 AM CDT...

At 412 AM CDT, Doppler radar was tracking a strong thunderstorm 4
miles east of Randall, moving east at 55 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Concordia, Scandia, Jamestown, Courtland, Norway and Aurora. 

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
north central Kansas.

LAT...LON 3983 9793 3978 9745 3942 9750 3950 9793
TIME...MOT...LOC 0912Z 281DEG 47KT 3965 9797 

$$

CP/BB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 11:19 PM CDT	Severe Thunderstorm Warning	TOP	Republic	56 min
Jul 9, 11:54 PM CDT	Severe Thunderstorm Warning	TOP	Washington	66 min
Jul 10, 12:00 AM CDT	Severe Thunderstorm Warning	TOP	Cloud	60 min
Jul 10, 12:13 AM CDT	Severe Thunderstorm Warning	TOP	Republic	32 min
Jul 10, 12:34 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Marshall, Pottawatomie, Riley, Washington	56 min
Jul 10, 12:57 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Marshall, Nemaha, Pottawatomie and 1 more	48 min
Jul 10, 1:19 AM CDT	Severe Thunderstorm Warning	TOP	Geary, Jackson, Morris, Shawnee, Wabaunsee	56 min
Jul 10, 1:45 AM CDT	Severe Thunderstorm Warning	TOP	Brown	30 min
Jul 10, 1:49 AM CDT	Special Weather Statement	TOP	Riley	26 min
Jul 10, 1:58 AM CDT	Severe Thunderstorm Warning	TOP	Coffey, Douglas, Franklin, Jefferson, Lyon, Morris and 3 more	47 min
Jul 10, 2:44 AM CDT	Special Weather Statement	TOP	Riley	31 min
Jul 10, 3:08 AM CDT	Special Weather Statement	TOP	Wabaunsee	37 min
Jul 10, 3:27 AM CDT	Special Weather Statement	TOP	Lyon	33 min
Jul 10, 4:02 AM CDT	Special Weather Statement	TOP	Lyon, Osage	28 min
Jul 10, 4:25 AM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	35 min
Jul 10, 4:36 AM CDT	Special Weather Statement	TOP	Anderson, Franklin	54 min
Jul 10, 4:40 AM CDT	Special Weather Statement	TOP	Clay	35 min
Jul 10, 5:05 AM CDT	Special Weather Statement	TOP	Riley	40 min
Jul 10, 5:58 AM CDT	Special Weather Statement	TOP	Wabaunsee	47 min
Jul 10, 3:34 PM CDT	Special Weather Statement	TOP	Republic	56 min
Jul 10, 4:11 PM CDT	Special Weather Statement	TOP	Washington	34 min
Jul 10, 4:45 PM CDT	Special Weather Statement	TOP	Washington	30 min
Jul 10, 4:53 PM CDT	Special Weather Statement	TOP	Brown, Nemaha	67 min
Jul 10, 5:05 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Pottawatomie, Washington	25 min
Jul 10, 5:26 PM CDT	Special Weather Statement	TOP	Pottawatomie	34 min
Jul 10, 5:47 PM CDT	Special Weather Statement	TOP	Pottawatomie	28 min
Jul 10, 5:54 PM CDT	Special Weather Statement	TOP	Dickinson, Geary	36 min
Jul 10, 6:16 PM CDT	Special Weather Statement	TOP	Jefferson	29 min
Jul 10, 6:47 PM CDT	Special Weather Statement	TOP	Douglas	28 min
Jul 10, 6:52 PM CDT	Special Weather Statement	TOP	Douglas, Osage, Shawnee	53 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.