Alert archive / Kansas / Tornado Warnings in 2016

Tornado Warning 9, NWS Topeka, KS

April 26, 2016Shawnee County, Kansas

NWS Topeka, KS issued this tornado warning at Apr 26, 2016, 5:08 PM CDT for Shawnee County, Kansas. It was in force for 37 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: Apr 26, 2016, 5:08 PM CDT (22:08 UTC)
Expired: Apr 26, 2016, 5:45 PM CDT
In force: 37 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

County Shawnee County, KS

The radar

The Topeka radar (KTWX), 35 km from the middle of the area, began a volume at 22:09 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
Apr 26, 5:17 PM CDT	HAIL 1.25	1 W Silver Lake, KS
Apr 26, 5:17 PM CDT	HAIL 1.25	1 W Silver Lake, 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
Apr 26, 2:12 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 10.1 hours before the alert went out and 17 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: 1934 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 628 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 268 m²/s²
0-3 km storm-relative helicity: 330 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 22.6

Open this sounding in Storm Lab

The text

As transmitted.

796 
WFUS53 KTOP 262208
TORTOP
KSC177-262245-
/O.NEW.KTOP.TO.W.0009.160426T2208Z-160426T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
508 PM CDT TUE APR 26 2016

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL SHAWNEE COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 545 PM CDT
    
* AT 507 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED NEAR SILVER LAKE...MOVING NORTH AT 25 MPH.

  HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  WESTERN TOPEKA AT 510 PM CDT AND SILVER LAKE AROUND 520 PM CDT. 

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 70 BETWEEN MILE MARKERS 347 AND 355.
 KANSAS TURNPIKE BETWEEN MILE MARKERS 168 AND 170.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3889 9579 3891 9595 3900 9595 3922 9592
      3922 9579 3920 9562
TIME...MOT...LOC 2207Z 194DEG 20KT 3904 9582 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

GARGAN

4 follow-up statements

538 
WWUS53 KTOP 262217
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
517 PM CDT TUE APR 26 2016

KSC177-262245-
/O.CON.KTOP.TO.W.0009.000000T0000Z-160426T2245Z/
SHAWNEE-
517 PM CDT TUE APR 26 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR WESTERN
SHAWNEE COUNTY...
    
AT 515 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED IN FAR WESTERN TOPEKA NEAR THE I-70 AND I-470
INTERSECTION...MOVING NORTH AT 20 MPH.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
FAR WESTERN TOPEKA THROUGH 525 PM CDT. 

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 347 AND 355.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3894 9576 3897 9590 3901 9595 3922 9592
      3922 9579 3920 9562
TIME...MOT...LOC 2215Z 199DEG 16KT 3904 9580 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

GARGAN

744 
WWUS53 KTOP 262226
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
526 PM CDT TUE APR 26 2016

KSC177-262245-
/O.CON.KTOP.TO.W.0009.000000T0000Z-160426T2245Z/
SHAWNEE-
526 PM CDT TUE APR 26 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
NORTHWESTERN SHAWNEE COUNTY...
    
AT 523 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER FAR WEST TOPEKA...1 MILE WEST OF I-470 AND THE I-70
INTERSECTION...MOVING NORTH AT 15 MPH.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN SHAWNEE COUNTY.

FAR NORTHWEST TOPEKA. THIS INCLUDES INTERSTATE 70 BETWEEN MILE
MARKERS 346 AND 355.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3899 9575 3900 9589 3904 9595 3922 9592
      3922 9579 3920 9562
TIME...MOT...LOC 2223Z 195DEG 15KT 3907 9580 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

GARGAN

612 
WWUS53 KTOP 262232 RRA
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
532 PM CDT TUE APR 26 2016

KSC177-262245-
/O.CON.KTOP.TO.W.0009.000000T0000Z-160426T2245Z/
SHAWNEE-
532 PM CDT TUE APR 26 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
NORTHWESTERN SHAWNEE COUNTY...
        
AT 530 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS 2 MILES NORTHWEST OF THE I-70 AND I-470 INTERCHANGE...MOVING
NORTH AT 20 MPH.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

SOURCE...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 2 MILES NORTH-
         NORTHWEST OF THE I-70 AND I-470 INTERCHANGE. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN SHAWNEE COUNTY.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 346 AND 354.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3904 9580 3900 9588 3904 9595 3922 9592
      3922 9579 3921 9566
TIME...MOT...LOC 2230Z 193DEG 15KT 3910 9579 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

GARGAN

128 
WWUS53 KTOP 262243
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
543 PM CDT TUE APR 26 2016

KSC177-262253-
/O.EXP.KTOP.TO.W.0009.000000T0000Z-160426T2245Z/
SHAWNEE-
543 PM CDT TUE APR 26 2016

...THE TORNADO WARNING FOR NORTHWESTERN SHAWNEE COUNTY WILL EXPIRE AT
545 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR NORTHEASTERN
KANSAS.

LAT...LON 3904 9580 3900 9588 3904 9595 3922 9592
      3922 9579 3921 9566
TIME...MOT...LOC 2241Z 194DEG 20KT 3910 9579 

$$

GARGAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 3:12 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Cloud, Washington	48 min
Apr 26, 3:20 AM CDT	Severe Thunderstorm Warning	TOP	Republic	55 min
Apr 26, 3:37 AM CDT	Severe Thunderstorm Warning	TOP	Washington	35 min
Apr 26, 3:59 AM CDT	Severe Thunderstorm Warning	TOP	Washington	46 min
Apr 26, 4:10 AM CDT	Severe Thunderstorm Warning	TOP	Republic	39 min
Apr 26, 4:16 AM CDT	Severe Thunderstorm Warning	TOP	Marshall, Washington	59 min
Apr 26, 4:43 AM CDT	Areal Flood Advisory	TOP	Republic	3 hr
Apr 26, 5:00 AM CDT	Severe Thunderstorm Warning	TOP	Washington	45 min
Apr 26, 5:12 AM CDT	Severe Thunderstorm Warning	TOP	Marshall	48 min
Apr 26, 5:20 AM CDT	Severe Thunderstorm Warning	TOP	Marshall, Washington	40 min
Apr 26, 5:33 AM CDT	Areal Flood Advisory	TOP	Washington	3 hr
Apr 26, 5:53 AM CDT	Severe Thunderstorm Warning	TOP	Marshall, Nemaha	67 min
Apr 26, 5:56 AM CDT	Areal Flood Advisory	TOP	Marshall	3 hr
Apr 26, 6:04 AM CDT	Flash Flood Warning	TOP	Marshall	4 hr
Apr 26, 6:18 AM CDT	Special Weather Statement	TOP	Pottawatomie, Riley	27 min
Apr 26, 6:36 AM CDT	Severe Thunderstorm Warning	TOP	Brown, Jackson	54 min
Apr 26, 6:47 AM CDT	Severe Thunderstorm Warning	TOP	Jefferson	13 min
Apr 26, 6:55 AM CDT	Severe Thunderstorm Warning	TOP	Nemaha	20 min
Apr 26, 3:07 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Riley, Wabaunsee	38 min
Apr 26, 3:13 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Wabaunsee	47 min
Apr 26, 3:15 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey, Franklin, Osage	45 min
Apr 26, 3:23 PM CDT	Tornado Warning	TOP	Lyon, Wabaunsee	37 min
Apr 26, 3:32 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	43 min
Apr 26, 3:38 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Morris, Wabaunsee	52 min
Apr 26, 3:43 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Osage, Shawnee, Wabaunsee	47 min
Apr 26, 3:45 PM CDT	Tornado Warning	TOP	Geary, Riley, Wabaunsee	30 min
Apr 26, 3:48 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Franklin, Osage, Shawnee	42 min
Apr 26, 4:10 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Pottawatomie, Riley	35 min
Apr 26, 4:13 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Pottawatomie, Riley, Wabaunsee	47 min
Apr 26, 4:16 PM CDT	Severe Thunderstorm Warning	TOP	Washington	44 min
Apr 26, 4:24 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Morris, Wabaunsee	36 min
Apr 26, 4:25 PM CDT	Severe Thunderstorm Warning	TOP	Osage, Shawnee, Wabaunsee	50 min
Apr 26, 4:36 PM CDT	Flash Flood Warning	TOP	Geary, Pottawatomie, Riley, Wabaunsee	3 hr
Apr 26, 4:39 PM CDT	Severe Thunderstorm Warning	TOP	Marshall	33 min
Apr 26, 4:54 PM CDT	Flash Flood Warning	TOP	Jackson, Pottawatomie, Shawnee, Wabaunsee	3 hr
Apr 26, 4:55 PM CDT	Severe Thunderstorm Warning	TOP	Washington	35 min
Apr 26, 4:58 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Riley	25 min
Apr 26, 5:00 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley, Wabaunsee	45 min
Apr 26, 5:01 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Riley, Washington	31 min
Apr 26, 5:14 PM CDT	Severe Thunderstorm Warning	TOP	Wabaunsee	46 min
Apr 26, 5:17 PM CDT	Severe Thunderstorm Warning	TOP	Marshall	31 min
Apr 26, 5:30 PM CDT	Severe Thunderstorm Warning	TOP	Washington	15 min
Apr 26, 5:43 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Riley	11 min
Apr 26, 5:47 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Osage, Wabaunsee	8 min
Apr 26, 5:51 PM CDT	River Flood Warning	TOP	Marshall	3 days
Apr 26, 5:51 PM CDT	River Flood Warning	TOP	Marshall	36 hr
Apr 26, 5:52 PM CDT	Severe Thunderstorm Warning	TOP	Brown	19 min
Apr 26, 5:57 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Shawnee	48 min
Apr 26, 6:12 PM CDT	Severe Thunderstorm Warning	TOP	Republic	48 min
Apr 26, 6:29 PM CDT	Flash Flood Warning	TOP	Republic	4 hr
Apr 26, 6:32 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Morris	43 min
Apr 26, 6:51 PM CDT	Flash Flood Warning	TOP	Lyon, Morris, Osage, Wabaunsee	4 hr

Nearby

Tornado Warnings in Kansas, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.