Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 93, NWS Springfield, MO

May 1, 2012Cherokee County, Kansas

NWS Springfield, MO issued this severe thunderstorm warning at May 1, 2012, 1:26 AM CDT for Cherokee County, Kansas. It was in force for 34 min. 1 report 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 1, 2012, 1:26 AM CDT (06:26 UTC)
Expired: May 1, 2012, 2:00 AM CDT
In force: 34 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Cherokee County, KS

The radar

The Tulsa radar (KINX), 123 km from the middle of the area, began a volume at 06:29 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
May 1, 1:37 AM CDT	TSTM WND DMG	3 Wnw Treece, KS	ROOF BLOWN OFF MOBILE HOME.

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 30, 7:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.4 hours before the alert went out and 95 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: 202 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1176 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 142 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.

750 
WUUS53 KSGF 010626
SVRSGF
KSC021-010700-
/O.NEW.KSGF.SV.W.0093.120501T0626Z-120501T0700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
126 AM CDT TUE MAY 1 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHEROKEE COUNTY IN SOUTHEAST KANSAS...

* UNTIL 200 AM CDT

* AT 121 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ACROSS  
  EASTERN LABETTE COUNTY...AND MOVING EAST AT 60 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
           BROKEN.

* LOCATIONS IMPACTED INCLUDE...
  CARONA...COLUMBUS...BAXTER SPRINGS...GALENA...WEST MINERAL...
  TREECE...SCAMMON...FAULKNER...HALLOWELL...MELROSE...SHERWIN...
  ROSELAND...STIPPVILLE...SKIDMORE...NEUTRAL...LOWELL...RIVERTON...
  CRESTLINE AND LAWTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3732 9462 3702 9461 3700 9462 3699 9501
      3700 9507 3700 9508 3729 9508
TIME...MOT...LOC 0625Z 269DEG 53KT 3722 9504 3701 9500

HAIL...<.75IN
WIND...60 MPH

$$

CRAMER

1 follow-up statement

546 
WWUS53 KSGF 010700
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
200 AM CDT TUE MAY 1 2012

KSC021-010710-
/O.EXP.KSGF.SV.W.0093.000000T0000Z-120501T0700Z/
CHEROKEE KS-
200 AM CDT TUE MAY 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR CHEROKEE COUNTY HAS EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.

LAT...LON 3732 9462 3702 9461 3700 9462 3699 9501
      3700 9507 3700 9508 3729 9508
TIME...MOT...LOC 0626Z 269DEG 53KT 3722 9502 3700 9498

$$

CRAMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 10:53 PM CDT	Flash Flood Warning	SGF	Cherokee	6 hr
Apr 30, 11:22 PM CDT	Flash Flood Warning	SGF	Crawford	6 hr
Apr 30, 11:43 PM CDT	Flash Flood Warning	SGF	Bourbon	5 hr
May 1, 12:21 AM CDT	Severe Thunderstorm Warning	SGF	Cherokee	24 min
May 1, 4:49 AM CDT	Areal Flood Warning	SGF	Bourbon, Cherokee, Crawford	27 hr
May 1, 8:35 AM CDT	River Flood Warning	SGF	Cherokee	34 hr

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.