Alert archive / Kansas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 53, NWS Dodge City, KS

April 20, 2001Ellis County, Rush County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Apr 20, 2001, 6:36 PM CDT for Ellis County, Rush County, Kansas. It was in force for 54 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Apr 20, 2001, 6:36 PM CDT (23:36 UTC)
Expired
Apr 20, 2001, 7:30 PM CDT
In force
54 min
Issued by
NWS Dodge City, KS
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Ellis County, KS, Rush County, KS

The radar

The Dodge City radar (KDDC), 125 km from the middle of the area, began a volume at 23:43 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
Apr 20, 6:49 PM CDTThunderstorm WindEllis, KSTwo semis overturned on I70
Apr 20, 6:55 PM CDTThunderstorm Wind 52 ELiebenthal, KS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.6 hours before the alert went out and 121 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 2001-04-20Temperature 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 2001-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.1939587897117Sfc1 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
3628 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
376 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.

300 
WUUS53 KDDC 202336
SVRDDC
KSC051-165-210030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
636 PM CDT FRI APR 20 2001

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ELLIS COUNTY IN KANSAS
  RUSH COUNTY IN KANSAS

* UNTIL 730 PM CDT

* AT 636 PM CDT...DODGE CITY DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS ALONG A LINE EXTENDING FROM 18 MILES NORTHWEST OF
  ELLIS TO 14 MILES NORTHWEST OF ALEXANDER TO 20 MILES SOUTHWEST OF
  ALEXANDER...OR ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST OF
  WAKEENEY TO 4 MILES SOUTH OF BROWNELL TO 12 MILES NORTHWEST OF
  HANSTON...MOVING EAST AT 65 MPH.

* SOME LOCATIONS AFFECTED
  ALEXANDER AT 645 PM CDT
  ANTONINO AT 650 PM CDT
  HAYS AT 655 PM CDT
  BISON AT 700 PM CDT
  EMMERAM AT 705 PM CDT

THE SEVERE THUNDERSTORMS ARE CAPABLE OF PRODUCING...
  HAIL THE SIZE OF NICKELS
  DAMAGING WIND GREATER THAN 60 MILES AN HOUR

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. STAY AWAY FROM WINDOWS.

LAT...LON 3911 9958 3870 9956 3836 9956 3837 9906
          3866 9906 3911 9907

BURGERT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 5:27 PM CDTSevere Thunderstorm WarningDDCScott48 min
Apr 20, 5:48 PM CDTSevere Thunderstorm WarningDDCLane42 min
Apr 20, 6:02 PM CDTSevere Thunderstorm WarningDDCNess, Trego43 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2001Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.