Alert archive / Kansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 182, NWS Goodland, KS

September 13, 1998Sherman County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Sep 13, 1998, 6:47 PM MDT for Sherman County, Kansas. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 13, 1998, 6:47 PM MDT (00:47 UTC)
Expired: Sep 13, 1998, 7:30 PM MDT
In force: 43 min
Issued by: NWS Goodland, KS
Area: Whole counties

County Sherman County, KS

The radar

The Goodland radar (KGLD), 2 km from the middle of the area, began a volume at 00:47 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.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 0.8 hours before the alert went out and 142 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1557 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 103 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.

206 
WUUS1 KGLD 140046 RRA
SVRGLD
KSC181-140130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
647 PM MDT SUN SEP 13 1998

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SHERMAN COUNTY IN NORTHWESTERN KANSAS

* UNTIL 730 PM MDT

* AT 645 PM MDT... GOODLAND DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 8 MILES WEST OF GOODLAND MOVING EAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  9 MILES NORTHWEST OF GOODLAND           AROUND 710 PM MDT
  GOODLAND                                AROUND 720 PM MDT

THIS IS A DANGEROUS STORM STAY INDOORS AWAY FROM WINDOWS.

KPL

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 Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 13, 2:35 PM MDT, 4 hours 12 minutes earlier.

Area forecast discussion, Sep 13, 2:35 PM MDT, 4 hours 12 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
235 PM MDT (335 PM CDT) SUN SEP 13 1998

...FORECAST PROBLEMS WL BE CHC OF PCPN THRU 3RD PD FOLLOWED BY TEMPS
THRU THE PD...

BASED ON INITAIL ANALYSIS...CURRENT TRENDS SEEN ON SATL/WSR-88D...WL
PREFER THE ETA OVERALL WITH SOME AVN THROWN IN HERE AND THERE. SATL
...LGT DETECTION...GLD WSR-88D...SHOWING TSRA DVLP IN SW TO NE LINE
ALG AND OVR NWRN PTN CWA. THIS DUE TO DESTABILIZATION AND LIFT
PROVIDED BY UPR LOW NOW OVR SE WY. NGM AND AVN NOT HANDLING THIS
SYSTEM VERY WELL. BOTH THOSE MODELS WHAT TO SHEAR OUT MAIN SYSTEM TO
THE E AND NE.

HWVR...HEIGHT FALL ANALYSIS SHOWS A MORE SELY TRACK. ETA IS DOING
BEST ON THIS FEATURE...AND IS ALSO THE STRONGEST OF THE THREE. BASED
ON SATL/UPR AIR ANALYSIS AND WHAT IS GOING ON NOW...THINK ETA IS ON
TRACK. ONE PROBLEM WITH THE ETA THOUGH...ALG WITH NGM...TOO DRY AND
WL THROW IN AVN MSTR ON THIS. ETA BRINGS MOD TO STG MSTR CONV ALG
WITH 7-5 OMEGA ACROSS CWA DURG THE NIGHT. THE OTHER TWO ARE SEVERELY
LACKING. AMS IS UNSTABLE DUE TO THE COLD AIR ALOFT...AND WL RESPOND
WELL TO DYNAMICS. SO WL HAVE CHC TO LIKELY POPS TONIGHT BASED ON ABV.

LINGERING DYNAMICS OVR CWA IN THE MRNG. ALSO LAPSE RATES REMAIN HIGH
WITH MSTR STILL ARND. WHATEVER CLRG WE GET...IT WL CLD BACK AND GET
INSTABILITY...SLGT CHC TO CHC...SHRA INTO THE ELY EVENG. BASED ON
CLD COVER...UPSLOPE...CAA...WL FOLLOW ETA AS WELL...AND GO BLO NGM
MOS ON MAXES BOTH PDS. CANNOT SEE WHY GUIDANCE WARMS UP ON TUE WITH A
2ND SURGE LOOKG LIKE IT WL COME IN MON NGT TUE.

MINS WL BE TRICKY...AND WL DEPEND ON CLD COVER. FIGURING PCPN TON
AND CAA AND AND NOT THAT STG OF WNDS TON...WL GO BLO NGM MOS. WL CLR
OUT INITAILLY MON NGT THEN UPSLOPE INCREASES BY LATE IN THE NIGHT AS
INDICATED BY BLYR MSTR PROGS. RIGHT NOW AM FIGURING WL HAVE A FAIRLY
DRY AMS...AND CLDS WL NOT COME IN RIGHT AWAY...AND WL GO SLIGHTLY
BLO NGM MOS. LOOKS TO BE A RATHER COOL NIGHT ON MON NIGHT.

.GLD...NONE

BULLER

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 13, 6:06 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins	44 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1998 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.