Alert archive / Kansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 1, NWS Goodland, KS

April 1, 1997Cheyenne County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Apr 1, 1997, 9:19 PM CST for Cheyenne County, Kansas. It was in force for 66 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
Apr 1, 1997, 9:19 PM CST (03:19 UTC)
Expired
Apr 1, 1997, 10:25 PM CST
In force
66 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Cheyenne County, KS

The radar

The Goodland radar (KGLD), 47 km from the middle of the area, began a volume at 03:22 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, 3.3 hours before the alert went out and 128 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, Denver, CO at 00:00Z on 1997-04-02Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 1997-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 255 square meters per square second.19395878Sfc1 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
1850 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
255 m²/s²
0-3 km storm-relative helicity
641 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 KGLD 020321 RRA
SVRGLD
KSC023-020425-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
819 PM MST TUE APR 1 1997

* SEVERE THUNDERSTORM WARNING FOR
  SOUTH CENTRAL CHEYENNE COUNTY KANSAS - IN NORTHWESTERN KANSAS

* UNTIL 1025 PM CST (925 PM MST)
 
* AT 918 PM CST...A SEVERE THUNDERSTORM WAS INDICATED BY GOODLAND
  DOPPLER RADAR IN THE VICINITY OF GOODLAND MOVING NORTH AT 15 MPH.

* PLEASE TAKE COVER IF YOU ARE4 IN THE WARNED AREA.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

MARTELLO

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 Apr 1, 3:30 PM CST, 5 hours 49 minutes earlier.

Area forecast discussion, Apr 1, 3:30 PM CST, 5 hours 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
230 PM MST (330 PM CST) TUE APR 1 1997

...MAIN FCST CHALLENGE IS LOCATION OF CUT OFF LOW OVER SOUTHWESTERN
US...

.UPPER AIR...
150 KT JET MAX WAS COMING DOWN THE BACK SIDE OF THE DEVELOPING CUT
OFF LOW OVER THE SOUTHWESTERN US AT 01/12Z. MODEL CONSENSUS SHOWS LOW
WILL CUT OFF BY WEDNSDY MORNG AND REMAIN OVER THE SOUTHWEST THROUGH
THURSDAY MORNING. BY THURSDAY MORNG...MODELS VARY IN PLACEMENT OF LOW
FROM EXTREME SOUTHERN CA TO EXTRM STHRN UT.  HAV CHOSEN THE NGM AS
MODEL OF CHOICE AND REFINED POSITION SOUTH THURS MORNG TO EXTRM WEST
CENTRL AZ.  THIS WAS BASED ON MODEL ENSEMBLE LOCATIONS COUPLED WITH
STRONG JETMAX STILL DIGGING ON THE BACK SIDE OF THE TROF...EXPECT
THE LOW TO DIG A LITTLE MORE THAN EXPECTED.

AT 20Z...PLATVILLE PROFILER DATA SHOWS BACKING WINDS IN MID LVLS
FROM 800 TO 600 MB...EVIDENT OF APCHG SHORTWAVE EMBEDDED IN RATHER
STRONG SOUTHWEST FLOW.

AT 850 MB THIS MORNING...MOISTURE AXIS WAS EXTENDING FROM THE TX
PANHANDLE TO WRN KS WITH 6C DEWPT AT DDC.  EXPECT THE GULF TO REMAIN
WIDE OPEN AND MOISTURE TO INCREASE WITH TIME.  NGM GRIDDED X-SCTN
SHOWS MOISTURE INCREASING WITH TIME.  MIXING RATIOS RISE ABOVE 10
G/KS BY THURSDAY MORNING.

.SFC...
AT 20Z...A RATHER COMPLEX PATTERN WAS EVIDENT WITH A COLD FRONT
EAST OF IML TO EAST OF AKO TO NEAR DENVER.  SFC TROF WAS FROM
SOUTHEAST OF TRB TO NEAR CBK TO MCK.  TROF HAS DRIFTED BACK TO THE
NORTHWEST LAST FEW HRS MOST LIKELY IN RESPONSE TO APCHG WEAK UPR LVL
SYSTEM.  EXPECT FRONT AND TROF TO COMBINE BY WEDNSDY MORNING AND TO
STILL BE LOCATED OVER NORTHWEST KANSAS AND EXTREME ERN CO.

.CLDS...
CLDS CONT TO INCREASE THIS AFTN ACRS ERN PTN OF CWA ALG AND AHD OF
TROF WHERE MOISTURE IS GREATER.  EXPECT ENTIRE AREA TO BECOME CLOUDY
TONIGHT AS WEAK UPR LVL SYS COMBINES WITH MOISTURE INFLOW. SKIES
SHOULD REMAIN CLOUDY THROUGH TUESDAY...HOWEVER SOME BREAKS ARE
LIKELY THURSDAY.

.PCPN...
EXPECT THE BEST CHANCE FOR RAIN FROM LATE TONIGHT THROUGH WEDNESDAY
AFTERNOON.  HAVE CUT POPS SGNFCNTLY TONIGHT FROM PREVIOUS FCST BASED
ON AVAILABILITY OF MOISTURE AND STRENGTH OF APCHG SHORTWAVE. HAV
FOLLOWED GUIDENCE RATHER CLOSELY 2ND THROUGH 4TH PDS.

.TEMPS...
HAVE GONE CLOSELY WITH GUIDENCE...EXCPT BUMPED UP TEMPS TONIGHT DUE
TO HIGHER SFC MOISTURE IN AREA.

GLD 043/055/042  374       HLC 047/057/046  464
CBK 045/056/043  374       MCK 045/055/045  464
TRB 045/057/043  464       ITR 041/053/041  374

SKIPPER

Nearby

Severe Thunderstorm Warnings in Kansas, 1997Every severe thunderstorm warning in 1997

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.