Alert archive / Kansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 346, NWS Dodge City, KS

September 23, 1998Hamilton County, Stanton County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Sep 23, 1998, 4:55 PM MDT for Hamilton County, Stanton County, Kansas. It was in force for 45 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 23, 1998, 4:55 PM MDT (22:55 UTC)
Expired
Sep 23, 1998, 5:40 PM MDT
In force
45 min
Issued by
NWS Dodge City, KS
Area
Whole counties

Counties Hamilton County, KS, Stanton County, KS

The radar

The Dodge City radar (KDDC), 160 km from the middle of the area, began a volume at 22:56 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 23, 4:58 PM MDTHail 1Johnson, KS
Sep 23, 5:05 PM MDTHail 0.88Syracuse, 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, 10.9 hours before the alert went out and 166 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 1998-09-23Temperature 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, Dodge City, at 12:00Z on 1998-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
574 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
82 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.

000 
TTAA00 KDDC 232255 RRA
SVRDDC
KSC075-187-232340-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
555 PM CDT (455 PM MDT) WED SEP 23 1998

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTHEASTERN HAMILTON COUNTY IN SOUTHWESTERN KANSAS
  NORTHEASTERN STANTON COUNTY IN SOUTHWESTERN KANSAS

* UNTIL 540 PM MDT (640 PM CDT)

* AT 452 PM MDT (552 PM CDT)... DODGE CITY DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES NORTH OF JOHNSON MOVING EAST AT
  25 MPH.

* SOME LOCATIONS AFFECTED
  RURAL RESIDENTS OF NORTHEASTERN STANTON AND EXTREME SOUTHEASTERN
  HAMILTON COUNTIES.

IF YOU ARE IN THE PATH OF THIS STORM...BE PREPARED FOR HAIL UP
TO THE SIZE OF BASEBALLS AND TORRENTIAL RAIN. IF YOU ARE
CAUGHT OUTSIDE... MOVE TO A STURDY SHELTER IMMEDIATELY AND STAY AWAY
FROM WINDOWS.

01/FK3

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Dodge City, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 23, 2:26 PM MDT, 2 hours 29 minutes earlier.

Area forecast discussion, Sep 23, 2:26 PM MDT, 2 hours 29 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DODGE CITY KS
326 PM CDT WED SEP 23 1998

WEAK WAVE MOVING OUT OF NM...UNFORECAST BY ANY MODEL...IS TRIGGERING
CONVECTION FROM EASTERN NM TO SOUTHEAST CO.  LATTER AREA HAS ALSO
SEEN A LEE TROF DEVELOPMENT...WHICH HAS BEEN FORECAST BY MODELS.
ETA EMSL FIELD AT 00Z TONITE IS TO LOW ON THE CENTRAL PRESSURE OF
THIS DEVELOPMENT...PER THE EMSL BIAS IN HIGH TERRAIN AT 00Z.
HOWEVER...THE LEE LOW IS PROGGED TO MOVE EAST INTO OUR CWFA
TOMORROW.  COMBINED WITH SHEARED OUT VORT MAX EMBEDDED IN
STRENGTHENING 50H FLOW AND CONTINUED STRONG LOW-LEVEL WARM
AIR ADVECTION...EXPECT CONVECTION TO BE LONG-LIVED...LASTING FROM
THIS EVENING THROUGH TOMORROW AFTERNOON. HAVE UPPED POPS ACCORDINGLY
TO 30 PERCENT ALL ZONES.

AS LEE CYCLONE BECOMES PICKED UP BY SURFACE TROF CREATED BY STRONG
NORTHERN STREAM ON FRIDAY...THE ENTIRE TROF CENTRAL PRESSURE DEEPENS
AND DOWNSLOPE DRYING OCCURS BY AFTERNOON.

...EXTENDED DISCUSSION...
BELIEVE ETAS SLOWEST MOTION ON THE POSITIVELY TILTED WAVE OFF THE
CA COAST IS APPROPRIATE.  THEREFORE COOL SHOT ADVERTISED BY OTHER
MODELS BEGINNING SATURDAY IS A BIT PREMATURE.  CONTINUED WARMING
TREND THROUGH SATURDAY EVENING.

PRELIMINARY GUIDANCE FOR COORDINATION ONLY. OFFICIAL FORECASTS ARE
CONTAINED WITHIN THE DODGE CITY ZONE FORECAST.

DDC 063/085 061/089 062 331
GCK 060/084 059/088 061 331
EHA 059/081 059/085 061 331
LBL 060/082 061/086 063 331
HYS 059/081 063/091 065 331
P28 063/087 065/091 065 331

.DDC...NONE.

HUNTER/GERARD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 4:24 PM MDTSevere Thunderstorm WarningDDCStanton31 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1998Every severe thunderstorm warning in 1998

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.