Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 110, NWS Topeka, KS

July 10, 2021Marshall County, Pottawatomie County, Washington County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jul 10, 2021, 5:05 PM CDT for Marshall County, Pottawatomie County, Washington County, Kansas. It was in force for 25 min. 2 reports 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, 5:05 PM CDT (22:05 UTC)
Expired: Jul 10, 2021, 5:30 PM CDT
In force: 25 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Marshall County, KS, Pottawatomie County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 77 km from the middle of the area, began a volume at 22:07 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, 5:07 PM CDT	TSTM WND GST 60	Waterville, KS
Jul 10, 5:18 PM CDT	TSTM WND GST 60	Blue Rapids, KS

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 10, 2:18 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 10.1 hours before the alert went out and 187 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 976 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 53 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

513 
WUUS53 KTOP 102205
SVRTOP
KSC117-149-201-102230-
/O.NEW.KTOP.SV.W.0110.210710T2205Z-210710T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
505 PM CDT Sat Jul 10 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  North central Pottawatomie County in northeastern Kansas...
  East central Washington County in north central Kansas...
  Southern Marshall County in northeastern Kansas...

* Until 530 PM CDT.

* At 505 PM CDT, a severe thunderstorm was located over Waterville,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Blue Rapids, Frankfort, Waterville and Barnes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3974 9630 3950 9638 3956 9658 3957 9659
      3957 9661 3965 9690 3980 9684
TIME...MOT...LOC 2205Z 288DEG 40KT 3970 9677 

HAIL...1.00IN
WIND...60MPH
 
$$

Reese

2 follow-up statements

016 
WWUS53 KTOP 102216
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
516 PM CDT Sat Jul 10 2021

KSC201-102224-
/O.CAN.KTOP.SV.W.0110.000000T0000Z-210710T2230Z/
Washington-
516 PM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WASHINGTON COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northeastern Kansas.

LAT...LON 3974 9630 3950 9638 3965 9677 3977 9676
TIME...MOT...LOC 2214Z 288DEG 40KT 3967 9663 

$$

KSC117-149-102230-
/O.CON.KTOP.SV.W.0110.000000T0000Z-210710T2230Z/
Pottawatomie-Marshall-
516 PM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTH CENTRAL POTTAWATOMIE AND SOUTHERN MARSHALL COUNTIES...

At 514 PM CDT, a severe thunderstorm was located over Blue Rapids,
moving east at 45 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Trained weather spotters. At 507 PM CDT, trained weather 
         spotters reported 60 mph winds in Waterville.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Blue Rapids, Frankfort and Waterville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3974 9630 3950 9638 3965 9677 3977 9676
TIME...MOT...LOC 2214Z 288DEG 40KT 3967 9663 

HAIL...1.00IN
WIND...60MPH
 
$$

Reese

252 
WWUS53 KTOP 102227
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
527 PM CDT Sat Jul 10 2021

KSC117-149-102237-
/O.EXP.KTOP.SV.W.0110.000000T0000Z-210710T2230Z/
Pottawatomie-Marshall-
527 PM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL POTTAWATOMIE AND
SOUTHERN MARSHALL COUNTIES WILL EXPIRE AT 530 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northeastern Kansas.

LAT...LON 3974 9630 3950 9638 3965 9677 3977 9676
TIME...MOT...LOC 2227Z 288DEG 40KT 3963 9646 

$$

Reese

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, 4:13 AM CDT	Special Weather Statement	TOP	Cloud	32 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, 5:26 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

Severe Thunderstorm Warnings in Kansas, 2021 Every severe thunderstorm warning 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.