Alert archive / Kansas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 13, NWS Topeka, KS

April 9, 2013Dickinson County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Apr 9, 2013, 10:12 PM CDT for Dickinson County, Kansas. It was in force for 18 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 9, 2013, 10:12 PM CDT (03:12 UTC)
Expired: Apr 9, 2013, 10:30 PM CDT
In force: 18 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Dickinson County, KS

The radar

The Topeka radar (KTWX), 86 km from the middle of the area, began a volume at 03:14 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 9, 10:15 PM CDT	HAIL 0.88	3 S Enterprise, KS
Apr 9, 10:21 PM CDT	HAIL 1	6 E Abilene, 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 9, 5:45 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.2 hours before the alert went out and 137 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: 972 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 719 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 239 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

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

661 
WUUS53 KTOP 100312
SVRTOP
KSC041-100330-
/O.NEW.KTOP.SV.W.0013.130410T0312Z-130410T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1012 PM CDT TUE APR 9 2013

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DICKINSON COUNTY IN CENTRAL KANSAS...

* UNTIL 1030 PM CDT

* AT 1009 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES
  SOUTHWEST OF ENTERPRISE...AND MOVING NORTH AT 45 MPH.

  HAZARD...QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...DAMAGE TO VEHICLES AND CROPS IS EXPECTED.

* LOCATIONS IMPACTED INCLUDE...
  ABILENE...ENTERPRISE...CHAPMAN...MOONLIGHT AND ABILENE AIRPORT.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 274 AND 288.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3875 9734 3906 9719 3910 9696 3903 9696
      3869 9712 3863 9737 3864 9738
TIME...MOT...LOC 0312Z 199DEG 40KT 3886 9715

HAIL...1.00IN
WIND...<50MPH

$$

BARJENBRUCH

1 follow-up statement

273 
WWUS53 KTOP 100326
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1026 PM CDT TUE APR 9 2013

KSC041-100336-
/O.EXP.KTOP.SV.W.0013.000000T0000Z-130410T0330Z/
DICKINSON-
1026 PM CDT TUE APR 9 2013

...THE SEVERE THUNDERSTORM WARNING FOR DICKINSON COUNTY WILL EXPIRE
AT 1030 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 AM.

LAT...LON 3875 9734 3906 9719 3910 9696 3903 9696
      3869 9712 3863 9737 3864 9738
TIME...MOT...LOC 0326Z 199DEG 40KT 3901 9708

$$

BARJENBRUCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 8:34 PM CDT	Special Weather Statement	TOP	Cloud, Ottawa	56 min
Apr 9, 8:54 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	36 min
Apr 9, 9:47 PM CDT	Special Weather Statement	TOP	Clay	13 min
Apr 9, 9:58 PM CDT	Special Weather Statement	TOP	Dickinson	17 min
Apr 9, 10:30 PM CDT	Special Weather Statement	TOP	Riley	15 min
Apr 9, 10:35 PM CDT	Severe Thunderstorm Warning	TOP	Lyon	25 min
Apr 9, 10:57 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Wabaunsee	33 min
Apr 9, 11:06 PM CDT	Special Weather Statement	TOP	Morris	24 min
Apr 9, 11:08 PM CDT	Special Weather Statement	TOP	Marshall	22 min
Apr 10, 5:12 AM CDT	Winter Storm Warning	TOP	Clay, Dickinson, Geary, Morris, Ottawa	8 hr
Apr 10, 6:02 PM CDT	Winter Weather Advisory	TOP	Clay, Cloud, Ottawa, Republic, Washington	4 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 2013 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.