Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 111, NWS Dodge City, KS

May 30, 2012Trego County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at May 30, 2012, 6:21 PM CDT for Trego County, Kansas. It was in force for 28 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 30, 2012, 6:21 PM CDT (23:21 UTC)
Expired: May 30, 2012, 6:49 PM CDT
In force: 28 min
Issued by: NWS Dodge City, KS
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Trego County, KS

The radar

The Dodge City radar (KDDC), 131 km from the middle of the area, began a volume at 23:25 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 30, 6:41 PM CDT	HAIL 0.88	5 Nne Brownell, KS	RAINFALL TOTALLED 1.5 INCHES.

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
May 30, 3:57 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.4 hours before the alert went out and 129 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: 214 J/kg
Mixed-layer CIN: -484 J/kg
Mixed-layer LCL: 1567 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.9

Open this sounding in Storm Lab

The text

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

490 
WUUS53 KDDC 302321
SVRDDC
KSC195-310015-
/O.NEW.KDDC.SV.W.0111.120530T2321Z-120531T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
621 PM CDT WED MAY 30 2012

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TREGO COUNTY IN WEST CENTRAL KANSAS...

* UNTIL 715 PM CDT

* AT 620 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
  LOCATED NEAR COLLYER...AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  COLLYER...
  VODA...
  WAKEENEY...
  TREGO CENTER...
  RIGA...
  CEDAR BLUFF...
  MAINLY RURAL AREAS OF TREGO COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. IF CAUGHT OUTSIDE
SEEK A STURDY SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS
PASSED.

&&

LAT...LON 3906 9961 3871 9960 3870 10016 3912 10015
TIME...MOT...LOC 2322Z 313DEG 28KT 3899 10014
WIND...HAIL 60MPH 1.50IN

$$

SUGDEN

1 follow-up statement

555 
WWUS53 KDDC 302349
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
649 PM CDT WED MAY 30 2012

KSC195-302359-
/O.CAN.KDDC.SV.W.0111.000000T0000Z-120531T0015Z/
TREGO KS-
649 PM CDT WED MAY 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR TREGO COUNTY IS CANCELLED...

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

LAT...LON 3906 9961 3871 9960 3870 10016 3912 10015
TIME...MOT...LOC 2349Z 313DEG 28KT 3876 9975

$$

SUGDEN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 3:43 PM CDT	Special Weather Statement	DDC	Ellis	62 min
May 30, 3:49 PM CDT	Severe Thunderstorm Warning	DDC	Ellis, Rush	56 min
May 30, 4:26 PM CDT	Severe Thunderstorm Warning	DDC	Ness, Pawnee, Rush	64 min
May 30, 4:34 PM CDT	Severe Thunderstorm Warning	DDC	Hodgeman, Ness	56 min
May 30, 4:37 PM CDT	Severe Thunderstorm Warning	DDC	Ellis, Rush	23 min
May 30, 4:57 PM CDT	Severe Thunderstorm Warning	DDC	Ellis	63 min
May 30, 5:20 PM CDT	Severe Thunderstorm Warning	DDC	Ness, Rush	55 min
May 30, 5:47 PM CDT	Severe Thunderstorm Warning	DDC	Ellis, Rush	58 min
May 30, 5:55 PM CDT	Severe Thunderstorm Warning	DDC	Hodgeman, Ness	65 min
May 30, 6:02 PM CDT	Severe Thunderstorm Warning	DDC	Finney, Scott	58 min
May 30, 6:08 PM CDT	Severe Thunderstorm Warning	DDC	Ness, Rush	67 min
May 30, 6:46 PM CDT	Severe Thunderstorm Warning	DDC	Hodgeman	59 min
May 30, 6:57 PM CDT	Severe Thunderstorm Warning	DDC	Ness, Pawnee, Rush	63 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.