Alert archive / Kansas / Tornado Warnings in 2012

Tornado Warning 9, NWS Topeka, KS

April 14, 2012Republic County, Kansas

NWS Topeka, KS issued this tornado warning at Apr 14, 2012, 3:03 PM CDT for Republic County, Kansas. It was in force for 15 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: Apr 14, 2012, 3:03 PM CDT (20:03 UTC)
Expired: Apr 14, 2012, 3:18 PM CDT
In force: 15 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

County Republic County, KS

The radar

The Grand Island radar (KUEX), 74 km from the middle of the area, began a volume at 20:06 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
Apr 14, 10:43 AM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.1 hours before the alert went out and 200 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: 1847 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 89 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.

818 
WFUS53 KTOP 142003
TORTOP
KSC157-142030-
/O.NEW.KTOP.TO.W.0009.120414T2003Z-120414T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
303 PM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN REPUBLIC COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 330 PM CDT

* AT 302 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 5 MILES SOUTH OF FORMOSO...AND MOVING NORTHEAST
  AT 40 MPH.

  HAZARD...DEVELOPING TORNADO AND PING PONG BALL SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...SIGNIFICANT HOUSE AND BUILDING DAMAGE POSSIBLE. MOBILE
           HOMES COMPLETELY DESTROYED IF HIT. SOME TREES UPROOTED OR
           SNAPPED. VEHICLES WILL LIKELY BE THROWN BY TORNADIC WINDS.

* LOCATIONS IMPACTED INCLUDE...
  COURTLAND...SCANDIA AND REPUBLIC.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4000 9753 3965 9785 3965 9793 3998 9794
      4001 9792
TIME...MOT...LOC 2004Z 208DEG 35KT 3972 9795

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

PHILLIPS

1 follow-up statement

914 
WWUS53 KTOP 142018
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
318 PM CDT SAT APR 14 2012

KSC157-142028-
/O.CAN.KTOP.TO.W.0009.000000T0000Z-120414T2030Z/
REPUBLIC KS-
318 PM CDT SAT APR 14 2012

...THE TORNADO WARNING FOR WESTERN REPUBLIC COUNTY IS CANCELLED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN
EFFECT FOR THE AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 6PM.

LAT...LON 4000 9753 3965 9785 3965 9793 3998 9794
      4001 9792
TIME...MOT...LOC 2018Z 208DEG 35KT 3984 9787

$$

PHILLIPS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 2:27 PM CDT	Special Weather Statement	TOP	Clay, Cloud, Republic, Washington	33 min
Apr 14, 2:48 PM CDT	Severe Thunderstorm Warning	TOP	Republic, Washington	27 min
Apr 14, 2:57 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	37 min
Apr 14, 3:09 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Washington	36 min
Apr 14, 3:13 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic, Washington	47 min
Apr 14, 3:56 PM CDT	Areal Flood Advisory	TOP	Cloud, Republic	64 min
Apr 14, 6:52 PM CDT	Tornado Warning	TOP	Dickinson, Ottawa	38 min

Nearby

Tornado Warnings in Kansas, 2012 Every tornado warning in 2012 Tornadoes in 2012

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.