Alert archive / Kansas / Tornado Warnings in 2015

Tornado Warning 27, NWS Kansas City, MO

July 6, 2015Johnson County, Leavenworth County, Wyandotte County, Kansas

NWS Kansas City, MO issued this tornado warning at Jul 6, 2015, 5:15 PM CDT for Johnson County, Leavenworth County, Wyandotte County, Kansas. It was in force for 30 min. 4 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 6, 2015, 5:15 PM CDT (22:15 UTC)
Expired: Jul 6, 2015, 5:45 PM CDT
In force: 30 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Johnson County, KS, Leavenworth County, KS, Wyandotte County, KS

The radar

The Pleasant Hill radar (KEAX), 71 km from the middle of the area, began a volume at 22:15 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 6, 5:25 PM CDT	TORNADO	1 N Clearview City, KS	SPOTTER OBSERVED WEST OF DE SOTO ON K10.
Jul 6, 5:38 PM CDT	FUNNEL CLOUD	3 Nw Olathe, KS	WELL DEFINED ROTATION WITH SMALL DEBRIS OBSERVED AT INTERSECTION OF HWY 7 AND COLLEGE BLVD.
Jul 6, 5:38 PM CDT	TSTM WND DMG	3 Nw Olathe, KS	DELAYED REPORT...POSSIBLE TORNADO...TREES DAMAGED AT HWY 7 AND COLLEGE BLVD
Jul 6, 5:49 PM CDT	TSTM WND DMG	3 Nnw Olathe, KS	NUMEROUS TREES REPORTED BLOWN DOWN NEAR OLATHE NORTHWEST HIGH SCHOOL.

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 6, 3:26 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 10.3 hours before the alert went out and 51 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: 625 J/kg
Mixed-layer CIN: -194 J/kg
Mixed-layer LCL: 1151 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 131 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.

517 
WFUS53 KEAX 062215
TOREAX
KSC091-103-209-062245-
/O.NEW.KEAX.TO.W.0027.150706T2215Z-150706T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
ISSUED BY NATIONAL WEATHER SERVICE TOPEKA KS
515 PM CDT MON JUL 6 2015

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN JOHNSON COUNTY IN EAST CENTRAL KANSAS...
  SOUTHWESTERN LEAVENWORTH COUNTY IN NORTHEASTERN KANSAS...
  WEST CENTRAL WYANDOTTE COUNTY IN NORTHEASTERN KANSAS...

* UNTIL 545 PM CDT
    
* AT 515 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER EUDORA...MOVING EAST AT 40 MPH.

  HAZARD...TORNADO. 

  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...
  DE SOTO AROUND 520 PM CDT.
  OLATHE...SHAWNEE AND LENEXA AROUND 530 PM CDT.

THIS INCLUDES KANSAS TURNPIKE BETWEEN MILE MARKERS 206 AND 209.
 
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 3908 9482 3884 9478 3884 9506 3899 9506
      3898 9508 3896 9508 3896 9510 3897 9511
      3897 9513 3898 9516 3896 9517 3896 9518
      3901 9519
TIME...MOT...LOC 2215Z 266DEG 36KT 3895 9505 

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

$$

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 6, 3:44 AM CDT	Flash Flood Watch	EAX	Johnson, Leavenworth, Linn, Miami, Wyandotte	60 hr
Jul 6, 9:40 AM CDT	River Flood Warning	EAX	Atchison, Leavenworth	71 hr
Jul 6, 9:40 AM CDT	River Flood Warning	EAX	Leavenworth	3 days
Jul 6, 10:21 AM CDT	River Flood Warning	EAX	Miami	4 days
Jul 6, 10:21 AM CDT	River Flood Warning	EAX	Linn	5 days
Jul 6, 3:52 PM CDT	Severe Thunderstorm Warning	EAX	Leavenworth	38 min
Jul 6, 4:18 PM CDT	Severe Thunderstorm Warning	EAX	Leavenworth, Wyandotte	57 min
Jul 6, 4:29 PM CDT	Flash Flood Warning	EAX	Leavenworth	4 hr
Jul 6, 4:51 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Wyandotte	39 min
Jul 6, 4:58 PM CDT	Flash Flood Warning	EAX	Johnson, Leavenworth, Wyandotte	4 hr
Jul 6, 5:29 PM CDT	Tornado Warning	EAX	Johnson, Miami	31 min
Jul 6, 5:36 PM CDT	Tornado Warning	EAX	Johnson	24 min
Jul 6, 5:59 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Miami, Wyandotte	46 min

Nearby

Tornado Warnings in Kansas, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.