Alert archive / Kansas / Tornado Warnings in 2013

Tornado Warning 4, NWS Topeka, KS

May 18, 2013Jackson County, Pottawatomie County, Kansas

NWS Topeka, KS issued this tornado warning at May 18, 2013, 11:26 PM CDT for Jackson County, Pottawatomie County, Kansas. It was in force for 19 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: May 18, 2013, 11:26 PM CDT (04:26 UTC)
Expired: May 18, 2013, 11:45 PM CDT
In force: 19 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Jackson County, KS, Pottawatomie County, KS

The radar

The Topeka radar (KTWX), 50 km from the middle of the area, began a volume at 04:26 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.

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 18, 7:29 PM CDT	Tornado Watch	SPC	5 hr
May 18, 10:39 PM CDT	Tornado Watch	SPC	3 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.4 hours before the alert went out and 56 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: 4000 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 869 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

952 
WFUS53 KTOP 190426
TORTOP
KSC085-149-190445-
/O.NEW.KTOP.TO.W.0004.130519T0426Z-130519T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1126 PM CDT SAT MAY 18 2013

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL JACKSON COUNTY IN NORTHEAST KANSAS...
  EAST CENTRAL POTTAWATOMIE COUNTY IN NORTHEAST KANSAS...

* UNTIL 1145 PM CDT

* AT 1121 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES WEST OF EMMETT...AND MOVING NORTHEAST
  AT 45 MPH.

  HAZARD...DEVELOPING TORNADO.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
           SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
           OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
           EXTENSIVE TREE DAMAGE IS LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN POTTAWATOMIE AND WESTERN JACKSON
  COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3952 9590 3938 9583 3928 9620 3936 9622
TIME...MOT...LOC 0426Z 243DEG 38KT 3935 9612

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

BARJENBRUCH

2 follow-up statements

563 
WWUS53 KTOP 190435
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1135 PM CDT SAT MAY 18 2013

KSC149-190445-
/O.CAN.KTOP.TO.W.0004.000000T0000Z-130519T0445Z/
POTTAWATOMIE-
1135 PM CDT SAT MAY 18 2013

...THE TORNADO WARNING FOR EAST CENTRAL POTTAWATOMIE COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3934 9603 3944 9603 3951 9590 3947 9588
      3938 9583
TIME...MOT...LOC 0435Z 243DEG 38KT 3939 9601

$$

KSC085-190445-
/O.CON.KTOP.TO.W.0004.000000T0000Z-130519T0445Z/
JACKSON-
1135 PM CDT SAT MAY 18 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL JACKSON
COUNTY UNTIL 1145 PM CDT...

AT 1131 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 4 MILES NORTH OF EMMETT...AND MOVING NORTHEAST AT 45 MPH.

HAZARD...DEVELOPING TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
         SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
         OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
         EXTENSIVE TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF WESTERN JACKSON COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3934 9603 3944 9603 3951 9590 3947 9588
      3938 9583
TIME...MOT...LOC 0435Z 243DEG 38KT 3939 9601

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

BARJENBRUCH

843 
WWUS53 KTOP 190441 RRA
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1141 PM CDT SAT MAY 18 2013

KSC085-190452-
/O.CAN.KTOP.TO.W.0004.000000T0000Z-130519T0445Z/
JACKSON-
1141 PM CDT SAT MAY 18 2013

...THE TORNADO WARNING FOR WEST CENTRAL JACKSON COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED 
AREA.

LAT...LON 3934 9603 3944 9603 3951 9590 3947 9588
      3938 9583
TIME...MOT...LOC 0442Z 243DEG 38KT 3942 9592

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 8:43 PM CDT	Special Weather Statement	TOP	Republic	32 min
May 18, 9:21 PM CDT	Special Weather Statement	TOP	Ottawa	39 min
May 18, 9:30 PM CDT	Severe Thunderstorm Warning	TOP	Ottawa	30 min
May 18, 9:55 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Ottawa	35 min
May 18, 10:04 PM CDT	Special Weather Statement	TOP	Dickinson	26 min
May 18, 10:12 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Cloud, Dickinson	48 min
May 18, 10:25 PM CDT	Tornado Warning	TOP	Clay, Cloud, Republic, Washington	20 min
May 18, 10:33 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Marshall, Pottawatomie, Riley, Washington	42 min
May 18, 10:36 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Republic, Washington	39 min
May 18, 10:42 PM CDT	Tornado Warning	TOP	Washington	33 min
May 18, 10:57 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Marshall, Morris, Nemaha, Pottawatomie, Riley and 2 more	48 min
May 18, 11:28 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Jackson, Jefferson, Nemaha, Pottawatomie, Shawnee and 1 more	47 min
May 19, 1:50 PM CDT	Severe Thunderstorm Warning	TOP	Nemaha	40 min
May 19, 2:27 PM CDT	Special Weather Statement	TOP	Riley	18 min
May 19, 2:51 PM CDT	Severe Thunderstorm Warning	TOP	Ottawa	39 min
May 19, 3:10 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Nemaha	35 min
May 19, 3:21 PM CDT	Special Weather Statement	TOP	Wabaunsee	24 min
May 19, 3:57 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Pottawatomie, Shawnee, Wabaunsee	48 min
May 19, 4:25 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Riley	50 min
May 19, 4:39 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Pottawatomie, Riley	66 min
May 19, 4:42 PM CDT	Severe Thunderstorm Warning	TOP	Jackson	48 min
May 19, 4:56 PM CDT	Severe Thunderstorm Warning	TOP	Ottawa	49 min
May 19, 5:00 PM CDT	Severe Thunderstorm Warning	TOP	Jackson	45 min
May 19, 5:02 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Morris	43 min
May 19, 5:09 PM CDT	Tornado Warning	TOP	Dickinson	36 min
May 19, 5:11 PM CDT	Severe Thunderstorm Warning	TOP	Wabaunsee	49 min
May 19, 5:21 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Riley	39 min
May 19, 5:31 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Wabaunsee	29 min
May 19, 5:33 PM CDT	Tornado Warning Tornado observed	TOP	Lyon	27 min
May 19, 5:41 PM CDT	Severe Thunderstorm Warning	TOP	Coffey, Lyon, Osage, Shawnee, Wabaunsee	49 min
May 19, 5:42 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson	33 min
May 19, 5:53 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Washington	22 min
May 19, 5:57 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Pottawatomie, Shawnee, Wabaunsee	48 min
May 19, 6:13 PM CDT	Severe Thunderstorm Warning	TOP	Coffey	47 min
May 19, 6:23 PM CDT	Severe Thunderstorm Warning	TOP	Coffey, Douglas, Franklin, Jefferson, Osage, Shawnee	52 min
May 19, 6:31 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Jackson, Jefferson, Shawnee	44 min
May 19, 6:39 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Franklin	51 min

Nearby

Tornado Warnings in Kansas, 2013 Every tornado warning in 2013 Tornadoes in 2013

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; radar from the NEXRAD Level II archive.