Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 73, NWS Topeka, KS

May 30, 2012Pottawatomie County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at May 30, 2012, 6:27 PM CDT for Pottawatomie County, Kansas. It was in force for 48 min. 7 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
May 30, 2012, 6:27 PM CDT (23:27 UTC)
Expired
May 30, 2012, 7:15 PM CDT
In force
48 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Pottawatomie County, KS

The radar

The Topeka radar (KTWX), 25 km from the middle of the area, began a volume at 23:30 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

TimeReportWhereRemark
May 30, 6:29 PM CDTTSTM WND GST 607 Ssw Westmoreland, KS
May 30, 6:33 PM CDTTSTM WND GST 604 Wsw Westmoreland, KS
May 30, 6:34 PM CDTTSTM WND GST 602 Se Westmoreland, KS
May 30, 6:44 PM CDTTSTM WND GST 654 W Wamego, KSSMALL COTTONWOOD LIMBS UP TO AN INCH IN DIAMETER DOWN.
May 30, 6:53 PM CDTTSTM WND GST 601 N Wamego, KSINCH AND A HALF IN DIAMETER TREE LIMBS DOWN
May 30, 6:55 PM CDTTSTM WND DMGWamego, KS6 TO 7 INCH TREE LIMBS DOWNED IN THE CITY
May 30, 6:55 PM CDTTSTM WND GST 501 Wsw Wamego, KSSMALL TREE LIMBS AND A FEW POWER LINES DOWN.

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.

IssuedProductOfficeLasted
May 30, 3:57 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.5 hours before the alert went out and 57 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-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2012-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2012-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1581 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
97 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.

742 
WUUS53 KTOP 302327
SVRTOP
KSC149-310015-
/O.NEW.KTOP.SV.W.0073.120530T2327Z-120531T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
627 PM CDT WED MAY 30 2012

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  POTTAWATOMIE COUNTY IN NORTHEAST KANSAS...

* UNTIL 715 PM CDT

* AT 625 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
  LINE EXTENDING FROM BLAINE TO 8 MILES NORTHEAST OF MANHATTAN...AND
  MOVING SOUTHEAST AT 35 MPH.

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

  SOURCE...TRAINED WEATHER SPOTTERS. AT 621 PM A SPOTTER REPORTED 60 
MPH WINDS 2 MILES WEST OF OLSBURG.

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

* LOCATIONS IMPACTED INCLUDE...
  WESTMORELAND...WAMEGO...ST. GEORGE...LOUISVILLE...BELVUE...EMMETT
  AND ST. MARYS.

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 3938 9603 3913 9604 3915 9608 3916 9609
      3916 9606 3919 9608 3919 9617 3921 9618
      3920 9622 3921 9623 3918 9627 3919 9632
      3915 9635 3917 9636 3916 9638 3919 9644
      3934 9667 3953 9652
TIME...MOT...LOC 2327Z 300DEG 29KT 3944 9639 3927 9651

HAIL...0.88IN
WIND...60 MPH

$$

BARJENBRUCH
1 follow-up statement
295 
WWUS53 KTOP 302354
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
654 PM CDT WED MAY 30 2012

KSC149-310015-
/O.CON.KTOP.SV.W.0073.000000T0000Z-120531T0015Z/
POTTAWATOMIE KS-
654 PM CDT WED MAY 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR POTTAWATOMIE
COUNTY UNTIL 715 PM CDT...

AT 653 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 6 MILES WEST OF EMMETT TO WAMEGO...AND MOVING
SOUTHEAST AT 35 MPH.

HAZARD...70 MPH WIND GUSTS AND PENNY SIZE HAIL.

SOURCE...TRAINED WEATHER SPOTTERS.  NUMEROUS REPORTS OF 60 MPH WINDS 
HAVE BEEN RECEIVED FROM POTTAWATOMIE COUNTY.

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. TREE BRANCHES
         UP TO THREE INCHES IN DIAMETER BROKEN. POSSIBLE MINOR DAMAGE
         TO SHINGLE ROOFS AND METAL OUTBUILDINGS.

LOCATIONS IMPACTED INCLUDE...
BELVUE...EMMETT AND ST. MARYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3938 9603 3914 9604 3916 9609 3916 9606
      3919 9608 3919 9617 3921 9618 3920 9622
      3921 9623 3918 9627 3919 9632 3915 9635
      3917 9636 3916 9637 3918 9643 3924 9652
      3950 9642
TIME...MOT...LOC 2354Z 300DEG 29KT 3933 9615 3916 9627

HAIL...0.75IN
WIND...70 MPH

$$

BARJENBRUCH

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 10:46 PM CDTSpecial Weather StatementTOPDickinson29 min
May 29, 10:58 PM CDTSpecial Weather StatementTOPCoffey32 min
May 29, 11:04 PM CDTSpecial Weather StatementTOPMorris41 min
May 29, 11:26 PM CDTSpecial Weather StatementTOPMorris34 min
May 29, 11:44 PM CDTSpecial Weather StatementTOPMorris31 min
May 29, 11:55 PM CDTSpecial Weather StatementTOPFranklin20 min
May 30, 12:02 AM CDTSevere Thunderstorm WarningTOPMorris, Wabaunsee28 min
May 30, 12:09 AM CDTSpecial Weather StatementTOPDouglas36 min
May 30, 12:16 AM CDTSevere Thunderstorm WarningTOPDouglas, Osage29 min
May 30, 12:33 AM CDTSpecial Weather StatementTOPOsage42 min
May 30, 12:42 AM CDTSevere Thunderstorm WarningTOPDouglas22 min
May 30, 12:52 AM CDTSevere Thunderstorm WarningTOPOsage, Shawnee23 min
May 30, 4:30 PM CDTSevere Thunderstorm WarningTOPCloud, Republic45 min
May 30, 4:53 PM CDTSevere Thunderstorm WarningTOPCloud, Ottawa22 min
May 30, 5:09 PM CDTSpecial Weather StatementTOPRepublic36 min
May 30, 5:12 PM CDTSevere Thunderstorm WarningTOPClay, Cloud, Ottawa48 min
May 30, 5:39 PM CDTSpecial Weather StatementTOPCloud36 min
May 30, 5:56 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Riley34 min
May 30, 6:23 PM CDTSpecial Weather StatementTOPClay22 min
May 30, 6:43 PM CDTSevere Thunderstorm WarningTOPWabaunsee32 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2012Every 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.