Alert archive / Kansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 252, NWS Dodge City, KS

September 16, 2011Morton County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Sep 16, 2011, 4:20 PM CDT for Morton County, Kansas. It was in force for 55 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
Sep 16, 2011, 4:20 PM CDT (21:20 UTC)
Expired
Sep 16, 2011, 5:15 PM CDT
In force
55 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Morton County, KS

The radar

The Dodge City radar (KDDC), 168 km from the middle of the area, began a volume at 21:24 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
Sep 16, 5:01 PM CDTHAIL 0.885 S Richfield, KS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 9.3 hours before the alert went out and 174 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, Dodge City, at 12:00Z on 2011-09-16Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2011-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 square meters per square second.1939587897Sfc1 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
573 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
199 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.

081 
WUUS53 KDDC 162120
SVRDDC
KSC129-162215-
/O.NEW.KDDC.SV.W.0252.110916T2120Z-110916T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
420 PM CDT FRI SEP 16 2011

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MORTON COUNTY IN SOUTHWEST KANSAS...

* UNTIL 515 PM CDT

* AT 419 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES
  SOUTH OF RICHFIELD...AND MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RICHFIELD...
  MAINLY RURAL AREAS OF NORTHERN MORTON 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 3738 10176 3735 10156 3715 10157 3714 10197
      3724 10201
TIME...MOT...LOC 2120Z 255DEG 12KT 3718 10181
WIND...HAIL 60MPH 1.00IN

$$

FINCH
2 follow-up statements
855 
WWUS53 KDDC 162147
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
447 PM CDT FRI SEP 16 2011

KSC129-162215-
/O.CON.KDDC.SV.W.0252.000000T0000Z-110916T2215Z/
MORTON KS-
447 PM CDT FRI SEP 16 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
MORTON COUNTY UNTIL 515 PM CDT...

AT 442 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES
SOUTHEAST OF RICHFIELD...AND MOVING EAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  RICHFIELD...
  MAINLY RURAL AREAS OF NORTHERN MORTON 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 3738 10176 3735 10156 3715 10157 3714 10197
      3724 10201
TIME...MOT...LOC 2147Z 255DEG 12KT 3720 10170
WIND...HAIL 60MPH 1.00IN

$$

FINCH
660 
WWUS53 KDDC 162212
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
512 PM CDT FRI SEP 16 2011

KSC129-162222-
/O.EXP.KDDC.SV.W.0252.000000T0000Z-110916T2215Z/
MORTON KS-
512 PM CDT FRI SEP 16 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MORTON COUNTY WILL
EXPIRE AT 515 PM CDT/415 PM MDT/...

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 AND GUSTY WINDS ARE STILL POSSIBLE WITH
THIS THUNDERSTORM.

LAT...LON 3738 10176 3735 10156 3715 10157 3714 10197
      3724 10201
TIME...MOT...LOC 2212Z 074DEG 24KT 3719 10173

$$

FINCH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 3:48 PM CDTSpecial Weather StatementDDCMorton57 min
Sep 16, 4:38 PM CDTSpecial Weather StatementDDCMorton52 min
Sep 16, 5:14 PM CDTSpecial Weather StatementDDCStevens46 min
Sep 16, 5:20 PM CDTSevere Thunderstorm WarningDDCMorton, Stevens42 min
Sep 16, 6:05 PM CDTSpecial Weather StatementDDCMorton40 min
Sep 16, 6:22 PM CDTSpecial Weather StatementDDCStevens38 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2011Every severe thunderstorm warning in 2011

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.