Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 79, NWS Topeka, KS

June 10, 2012Washington County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 10, 2012, 7:34 PM CDT for Washington County, Kansas. It was in force for 41 min. 5 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: Jun 10, 2012, 7:34 PM CDT (00:34 UTC)
Expired: Jun 10, 2012, 8:15 PM CDT
In force: 41 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Washington County, KS

The radar

The Topeka radar (KTWX), 103 km from the middle of the area, began a volume at 00:36 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
Jun 10, 7:38 PM CDT	HAIL 1	1 Sw Linn, KS
Jun 10, 7:41 PM CDT	HAIL 1	Linn, KS
Jun 10, 7:47 PM CDT	HAIL 1.25	Linn, KS
Jun 10, 8:05 PM CDT	HAIL 0.75	4 Sse Greenleaf, KS
Jun 10, 8:15 PM CDT	HAIL 1	4 Sse Greenleaf, KS	NICKEL TO QUARTER SIZE HAIL COVERING THE GROUND. WINDS GUSTING TO 31 MPH.

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
Jun 10, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.6 hours before the alert went out and 140 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: 2323 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1479 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

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

065 
WUUS53 KTOP 110034
SVRTOP
KSC201-110115-
/O.NEW.KTOP.SV.W.0079.120611T0034Z-120611T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
734 PM CDT SUN JUN 10 2012

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN WASHINGTON COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 815 PM CDT

* AT 731 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR PALMER...AND
  MOVING NORTHEAST AT 20 MPH.

  HAZARD...HALF DOLLAR SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
           DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

* LOCATIONS IMPACTED INCLUDE...
  LINN...GREENLEAF AND BARNES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3988 9681 3963 9681 3958 9718 3969 9723
TIME...MOT...LOC 0035Z 246DEG 18KT 3965 9714

HAIL...1.25IN
WIND...60 MPH

$$

1 follow-up statement

624 
WWUS53 KTOP 110045
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
745 PM CDT SUN JUN 10 2012

KSC201-110115-
/O.CON.KTOP.SV.W.0079.000000T0000Z-120611T0115Z/
WASHINGTON KS-
745 PM CDT SUN JUN 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
WASHINGTON COUNTY UNTIL 815 PM CDT...

AT 740 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LINN...AND
MOVING NORTHEAST AT 20 MPH.

HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...TRAINED WEATHER SPOTTERS. AT 741 PM...SPOTTERS REPORTED 
QUARTER SIZED HAIL IN LINN. 

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
         DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

LOCATIONS IMPACTED INCLUDE...
GREENLEAF AND BARNES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3961 9714 3972 9715 3988 9681 3963 9681
TIME...MOT...LOC 0045Z 246DEG 18KT 3967 9708

HAIL...1.00IN
WIND...60 MPH

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 7:06 PM CDT	Special Weather Statement	TOP	Washington	24 min
Jun 10, 7:14 PM CDT	Special Weather Statement	TOP	Washington	31 min
Jun 10, 7:20 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Washington	25 min
Jun 10, 7:40 PM CDT	Severe Thunderstorm Warning	TOP	Marshall	50 min
Jun 10, 8:04 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Marshall, Riley, Washington	41 min
Jun 10, 8:27 PM CDT	Special Weather Statement	TOP	Marshall	48 min
Jun 10, 8:42 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Riley, Washington	48 min
Jun 10, 9:30 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	45 min
Jun 10, 10:15 PM CDT	Special Weather Statement	TOP	Pottawatomie	45 min
Jun 10, 10:59 PM CDT	Special Weather Statement	TOP	Brown	16 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2012 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.