Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 5, NWS Topeka, KS

March 15, 2021Franklin County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Mar 15, 2021, 3:43 PM CDT for Franklin 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: Mar 15, 2021, 3:43 PM CDT (20:43 UTC)
Expired: Mar 15, 2021, 4:15 PM CDT
In force: 32 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Franklin County, KS

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.7 hours before the alert went out and 61 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: 685 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 178 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

305 
WUUS53 KTOP 152043
SVRTOP
KSC059-152115-
/O.NEW.KTOP.SV.W.0005.210315T2043Z-210315T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
343 PM CDT Mon Mar 15 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Central Franklin County in east central Kansas...

* Until 415 PM CDT.

* At 343 PM CDT, a severe thunderstorm was located near Princeton,
  moving northeast at 20 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Ottawa and Princeton. 

This includes Interstate 35 between mile markers 178 and 187.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3845 9532 3850 9540 3866 9528 3855 9512
TIME...MOT...LOC 2043Z 231DEG 15KT 3850 9533 

HAIL...0.75IN
WIND...60MPH
 
$$

Baerg

2 follow-up statements

173 
WWUS53 KTOP 152102 RRA
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
402 PM CDT Mon Mar 15 2021

KSC059-152115-
/O.CON.KTOP.SV.W.0005.000000T0000Z-210315T2115Z/
Franklin-
402 PM CDT Mon Mar 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR CENTRAL FRANKLIN COUNTY...

At 402 PM CDT, a severe thunderstorm was located 4 miles south of
Ottawa, moving northeast at 15 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Ottawa.

This includes Interstate 35 between mile markers 182 and 187.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3848 9525 3855 9531 3864 9525 3855 9512
TIME...MOT...LOC 2102Z 231DEG 15KT 3855 9525 

HAIL...0.75IN
WIND...60MPH
 
$$

Baerg

193 
WWUS53 KTOP 152106
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
406 PM CDT Mon Mar 15 2021

KSC059-152116-
/O.EXP.KTOP.SV.W.0005.000000T0000Z-210315T2115Z/
Franklin-
406 PM CDT Mon Mar 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL FRANKLIN COUNTY WILL
EXPIRE AT 415 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.

LAT...LON 3848 9525 3855 9531 3864 9525 3855 9512
TIME...MOT...LOC 2106Z 231DEG 15KT 3856 9523 

$$

Baerg

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 15, 4:46 AM CDT	River Flood Warning	TOP	Marshall	4 days
Mar 15, 3:27 PM CDT	Special Weather Statement	TOP	Osage	48 min
Mar 15, 3:32 PM CDT	Severe Thunderstorm Warning	TOP	Osage	30 min
Mar 15, 3:35 PM CDT	Special Weather Statement	TOP	Franklin	40 min
Mar 15, 3:40 PM CDT	Tornado Warning	TOP	Osage	20 min
Mar 15, 3:54 PM CDT	Severe Thunderstorm Warning	TOP	Franklin	16 min
Mar 15, 4:41 PM CDT	Special Weather Statement	TOP	Shawnee	34 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; the sounding from the Mesonet's radiosonde archive.