Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 39, NWS Topeka, KS

May 27, 20214 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at May 27, 2021, 1:41 AM CDT for 4 counties in Kansas. It was in force for 49 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: May 27, 2021, 1:41 AM CDT (06:41 UTC)
Expired: May 27, 2021, 2:30 AM CDT
In force: 49 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Clay County, KS, Cloud County, KS, Republic County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 115 km from the middle of the area, began a volume at 06:45 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
May 27, 2:22 AM CDT	HAIL 1	5 Ne Morganville, 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
May 26, 6:07 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
May 27, 1:05 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 6.7 hours before the alert went out and 162 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: 328 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 2025 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

889 
WUUS53 KTOP 270641
SVRTOP
KSC027-029-157-201-270730-
/O.NEW.KTOP.SV.W.0039.210527T0641Z-210527T0730Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
141 AM CDT Thu May 27 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Southeastern Republic County in north central Kansas...
  Southwestern Washington County in north central Kansas...
  Clay County in north central Kansas...
  Eastern Cloud County in north central Kansas...

* Until 230 AM CDT.

* At 140 AM CDT, severe thunderstorms were located along a line
  extending from 4 miles southwest of Agenda to 5 miles north of
  Aurora to 9 miles northeast of Delphos, moving east at 45 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Clyde around 150 AM CDT.
  Clifton, Miltonvale and Vining around 155 AM CDT.

Other locations in the path of these severe thunderstorms include
Morganville, Palmer, Clay Center, Idana and Green.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3942 9777 3956 9767 3968 9763 3964 9695
      3938 9696 3925 9716
TIME...MOT...LOC 0640Z 288DEG 38KT 3965 9749 3953 9752 3938 9767 

HAIL...0.88IN
WIND...60MPH
 
$$

BD

2 follow-up statements

295 
WWUS53 KTOP 270656
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
156 AM CDT Thu May 27 2021

KSC157-270705-
/O.CAN.KTOP.SV.W.0039.000000T0000Z-210527T0730Z/
Republic-
156 AM CDT Thu May 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN REPUBLIC COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
north central and northeastern Kansas.

LAT...LON 3948 9761 3956 9753 3965 9751 3964 9695
      3938 9696 3932 9708
TIME...MOT...LOC 0655Z 275DEG 40KT 3965 9729 3953 9732 3945 9742 

$$

KSC027-029-201-270730-
/O.CON.KTOP.SV.W.0039.000000T0000Z-210527T0730Z/
Washington-Clay-Cloud-
156 AM CDT Thu May 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR SOUTHWESTERN WASHINGTON...NORTHERN CLAY AND NORTHEASTERN CLOUD
COUNTIES...

At 155 AM CDT, severe thunderstorms were located along a line
extending from 5 miles north of Clifton to near Vining to 5 miles
east of Aurora, moving east at 45 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  Clifton around 200 AM CDT.

Other locations in the path of these severe thunderstorms include
Palmer, Morganville, Clay Center and Green.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3948 9761 3956 9753 3965 9751 3964 9695
      3938 9696 3932 9708
TIME...MOT...LOC 0655Z 275DEG 40KT 3965 9729 3953 9732 3945 9742 

HAIL...0.88IN
WIND...60MPH
 
$$

BD

048 
WWUS53 KTOP 270709
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
209 AM CDT Thu May 27 2021

KSC029-270718-
/O.CAN.KTOP.SV.W.0039.000000T0000Z-210527T0730Z/
Cloud-
209 AM CDT Thu May 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CLOUD COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
north central and northeastern Kansas.

LAT...LON 3944 9737 3955 9727 3965 9726 3964 9695
      3938 9696 3935 9702
TIME...MOT...LOC 0708Z 288DEG 38KT 3961 9713 3949 9716 3941 9726 

$$

KSC027-201-270730-
/O.CON.KTOP.SV.W.0039.000000T0000Z-210527T0730Z/
Washington-Clay-
209 AM CDT Thu May 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR SOUTH CENTRAL WASHINGTON AND NORTHERN CLAY COUNTIES...

At 208 AM CDT, severe thunderstorms were located along a line
extending from near Palmer to near Morganville to 3 miles north of
Idana, moving east at 45 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Clay Center and Green.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3944 9737 3955 9727 3965 9726 3964 9695
      3938 9696 3935 9702
TIME...MOT...LOC 0708Z 288DEG 38KT 3961 9713 3949 9716 3941 9726 

HAIL...0.88IN
WIND...60MPH
 
$$

BD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 7:21 PM CDT	Special Weather Statement	TOP	Dickinson	39 min
May 26, 7:39 PM CDT	Special Weather Statement	TOP	Clay, Ottawa, Riley	66 min
May 27, 12:15 AM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	30 min
May 27, 12:18 AM CDT	Tornado Warning	TOP	Dickinson, Morris	13 min
May 27, 12:37 AM CDT	Special Weather Statement	TOP	Morris	53 min
May 27, 12:42 AM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	33 min
May 27, 12:44 AM CDT	Severe Thunderstorm Warning	TOP	Morris	46 min
May 27, 12:52 AM CDT	Areal Flood Advisory	TOP	Dickinson, Morris	4 hr
May 27, 12:58 AM CDT	Severe Thunderstorm Warning	TOP	Geary, Wabaunsee	47 min
May 27, 1:12 AM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	33 min
May 27, 1:23 AM CDT	Special Weather Statement	TOP	Shawnee, Wabaunsee	67 min
May 27, 1:25 AM CDT	Special Weather Statement	TOP	Lyon	35 min
May 27, 1:37 AM CDT	Severe Thunderstorm Warning	TOP	Republic, Washington	23 min
May 27, 1:42 AM CDT	Special Weather Statement	TOP	Coffey	48 min
May 27, 1:45 AM CDT	Special Weather Statement	TOP	Osage	45 min
May 27, 2:01 AM CDT	Special Weather Statement	TOP	Jackson	59 min
May 27, 2:03 AM CDT	Special Weather Statement	TOP	Douglas, Jefferson	57 min
May 27, 2:08 AM CDT	Special Weather Statement	TOP	Cloud	37 min
May 27, 2:19 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Marshall, Pottawatomie, Riley, Washington	41 min
May 27, 2:54 AM CDT	Severe Thunderstorm Warning	TOP	Marshall, Pottawatomie, Riley	51 min
May 27, 3:06 AM CDT	Special Weather Statement	TOP	Douglas	54 min
May 27, 3:46 AM CDT	Areal Flood Advisory	TOP	Marshall, Riley, Washington	4 hr
May 27, 4:22 AM CDT	Special Weather Statement	TOP	Morris, Wabaunsee	23 min
May 27, 4:29 AM CDT	Areal Flood Warning	TOP	Dickinson, Morris	6 hr
May 27, 4:43 AM CDT	Special Weather Statement	TOP	Wabaunsee	32 min
May 27, 5:01 AM CDT	Areal Flood Advisory	TOP	Geary, Morris	18 min
May 27, 5:11 AM CDT	Special Weather Statement	TOP	Shawnee	34 min
May 27, 5:18 AM CDT	Flash Flood Warning	TOP	Geary, Morris	4 hr
May 27, 5:31 AM CDT	Severe Thunderstorm Warning	TOP	Douglas, Osage, Shawnee	29 min
May 27, 5:41 AM CDT	Special Weather Statement	TOP	Lyon	34 min
May 27, 5:53 AM CDT	Severe Thunderstorm Warning	TOP	Douglas, Franklin, Osage	52 min
May 27, 6:14 AM CDT	Flash Flood Warning	TOP	Lyon, Morris, Wabaunsee	3 hr
May 27, 6:23 AM CDT	Special Weather Statement	TOP	Anderson	37 min
May 27, 6:48 AM CDT	Special Weather Statement	TOP	Franklin	27 min
May 27, 8:43 AM CDT	Areal Flood Warning	TOP	Lyon, Morris, Wabaunsee	8 hr
May 27, 8:59 AM CDT	Areal Flood Warning	TOP	Geary, Morris	14 hr
May 27, 10:04 AM CDT	Flash Flood Watch	TOP	Anderson, Coffey, Douglas, Franklin, Lyon, Osage	9 hr
May 27, 10:46 AM CDT	River Flood Warning	TOP	Wabaunsee	8 hr
May 27, 10:46 AM CDT	River Flood Warning	TOP	Shawnee	7 hr
May 27, 10:59 AM CDT	Areal Flood Warning	TOP	Morris	20 hr
May 27, 2:31 PM CDT	River Flood Warning	TOP	Lyon	26 hr
May 27, 2:31 PM CDT	River Flood Warning	TOP	Lyon	32 hr
May 27, 2:54 PM CDT	River Flood Warning	TOP	Lyon, Osage	16 hr

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.