Alert archive / Kansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 196, NWS Goodland, KS

August 21, 1997Decatur County, Rawlins County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Aug 21, 1997, 9:14 PM CDT for Decatur County, Rawlins County, Kansas. It was in force for 61 min. 3 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
Aug 21, 1997, 9:14 PM CDT (02:14 UTC)
Expired
Aug 21, 1997, 10:15 PM CDT
In force
61 min
Issued by
NWS Goodland, KS
Area
Whole counties

Counties Decatur County, KS, Rawlins County, KS

What was reported inside it

TimeReportWhereRemark
Aug 21, 9:15 PM CDTThunderstorm Wind 52Atwood, KSSpotter estimated 60 mph winds.
Aug 21, 9:30 PM CDTThunderstorm Wind 52Oberlin, KSSpotter estimated 60 mph winds.
Aug 21, 10:00 PM CDTThunderstorm Wind 87Dresden, KSWind blew out windows, uprooted trees, knocked down signs and antennas. At least 4 roofs were blown off; a storage building and a mobile home was destroyed. A leg on a grain elevator was bent. At Leoville, spotter estimated 60 mph winds.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 21, 7:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.2 hours before the alert went out and 150 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, N. Platte/Lee Bi, NE at 00:00Z on 1997-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2266 joules per kilogram.LCLLFCEL10008507005003002001001 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, N. Platte/Lee Bi, NE at 00:00Z on 1997-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
2266 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1174 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
301 m²/s²
Significant tornado parameter
3.0
Supercell composite
15.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KGLD 220214 RRA
SVRGLD
KSC039-153-220315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
814 PM MDT (914 PM CDT) THU AUG 21 1997

* SEVERE THUNDERSTORM WARNING FOR
  DECATUR COUNTY IN NORTHWESTERN KANSAS
  RAWLINS COUNTY IN NORTHWESTERN KANSAS

* UNTIL 1015 PM CDT (915 PM MDT)
 
* SOME LOCATIONS AFFECTED
  LUDELL                                  AROUND 915 PM CDT
  ATWOOD                                  AROUND 920 PM CDT
  HWY 25...9 MILES SOUTH OF ATWOOD        AROUND 940 PM CDT

* AT 910 PM CDT...GOODLAND DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 7 MILES NORTH OF ATWOOD OR 5 MILES NORTHWEST OF LUDELL
  MOVING SOUTH AT 30 MPH.

GOODLAND DOPPLER RADAR ALSO INDICATED ANOTHER SEVERE THUNDERSTORM
MOVING SOUTHWARD INTO DECATUR COUNTY.

LOCATIONS AFFECTED
  CEDAR BLUFFS                            AROUND 917 PM CDT
  TRAER                                   AROUND 920 PM CDT


GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES.

VJN

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 Aug 21, 1:44 PM CDT, 7 hours 30 minutes earlier.

Area forecast discussion, Aug 21, 1:44 PM CDT, 7 hours 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
1244 PM MDT (144 PM CDT) THU AUG 21 1997

BIGGEST CHALLENGE TODAY IS ONCE AGAIN POPS FOR THE FIRST PERIOD.

18Z ADAP DATA SHOWS NO CAP...LI OF -11...AND STRONG MOISTURE
CONVERGENCE ALONG AN IML-DDC LINE. THIS BOUNDARY WAS PRODUCED BY
SEVERE STORMS OVER CENTRAL NEBRASKA EARLY THIS MORNING. WILL
EXPECT TS TO START DEVELOPING FAIRLY EARLY ON THIS AFTERNOON NEAR
THIS BOUNDARY. ANOTHER BOUNDARY EXTENDS FROM IML SOUTHWESTWARD
TO NEAR LHX...BUT DEW POINTS ARE A BIT LOWER ALONG WESTERN BOUNDARY
AND IT MAY TAKE AN ADDITIONAL SOURCE OF LIFT TO BREAK CAP ACROSS WRN
ZNS.

OTHER KEY PLAYER IS SHORT WAVE OVER NWRN NEBRASKA. MODELS CONSISTENT
IN MOVING WAVE SOUTHEAST INTO NERN FA BY LATE AFTERNOON. DRYING
BEHIND THIS FEATURE IS QUITE IMPRESSIVE ON WATER VAPOR
IMAGERY...WHILE ETA PROGS PW VALUES OF OVER 1.5 INCHES OVER SERN FA
BY 00Z THIS EVENING. FFG IS RELATIVELY LOW OVER ERN ZNS...BUT NOT
YET CONFIDENT ON POTENTIAL COVERAGE SO WILL NOT FAVOR FFA AT THIS
TIME...BUT EVENING SHIFT WILL NEED TO WATCH CLOSELY. FAIRLY STRONG
MID-LEVEL NORTHWEST WINDS REMAIN IN PLACE AND WIND SHEAR MAY ADD TO
SEVERE POTENTIAL.

TOMORROW AND TOMORROW EVENING...ETA FORECAST CAPES ARE ONCE AGAIN
QUITE INPRESSIVE ACROSS CENTRAL AND EASTERN FA. LITTLE EASTWARD
PROGRESS OF MAIN TROUGH CURRENTLY OVER REGION SHOULD LEAD TO THE
BEST CHANCES OF PRECIP IN CENTRAL FA...THOUGH LESS TODAY GIVEN THE
LACK OF DYNAMICS.

WILL RETAIN SLIGHT CHANCE POPS ON SATURDAY AS ETA FORECAST LAPSE
RATES DECREASE SLIGHTLY AS LOWER LEVELS WARM. TIMING OF FAST
MOVING NORTHWEST FLOW SHORTWAVES AND POSSIBLE MODEL UNDERESTIMATION
OF MONSOON MOISTURE TO OUR WEST MAKES IT DIFFICULT TO ELIMINATE
AFTERNOON POPS ANYWHERE IN FA.

.GLD...NONE.

BARKER

In the hours before

Special weather statement, Aug 21, 7:06 PM CDT, 2 hours 8 minutes before
COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-220600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
607 PM MDT (707 PM CDT) THU AUG 21 1997

...A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT MDT (1 AM CDT) FOR
EXTREME EASTERN COLORADO...NORTHWEST KANSAS AND SOUTHWEST NEBRASKA...

COUNTIES INCLUDED IN THE WATCH ARE AS FOLLOWS:
IN EXTREME EASTERN COLORADO...YUMA...KIT CARSON AND CHEYENNE
IN EXTREME SOUTHWEST NEBRASKA...DUNDY...HITCHCOCK AND RED WILLOW
IN NORTHWEST KANSAS...CHEYENNE...RAWLINS...DECATUR...NORTON...SHERMAN
...THOMAS...SHERIDAN...GRAHAM...WALLACE...LOGAN...GOVE...GREELEY AND
WICHITA.

AN UPPER LEVEL DISTURBANCE IS EXPECTED TO MOVE OUT OF WYOMING INTO
NORTHEAST COLORADO...WESTERN NEBRASKA AND NORTHWEST KANSAS THIS
EVENING. HIGH SURFACE DEWPOINTS WILL COMBINE WITH THE UPPER LEVEL
DISTURBANCE TO AID IN THE DEVELOPMENT OF THUNDERSTORMS. FURTHERMORE
...WIND PROFILES IN THE ATMOSPHERE ARE TURNING WITH HEIGHT WHICH
MEANS SOME STORMS WILL HAVE THE CAPABILITY TO PRODUCE TORNADOES.

SEVERE THUNDERSTORMS CONTINUE TO DEVELOP OVER SOUTHWEST NEBRASKA
BETWEEN IMPERIAL AND NORTH PLATTE NEBRASKA AND ARE MOVING SOUTH AT
25 MPH. THESE STORMS ALREADY HAVE A HISTORY OF LARGE HAIL.
THUNDERSTORMS ARE EXPECTED TO INCREASE IN COVERAGE AS THE EVENING
PROGRESSES.

A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN AND NEAR THE
WATCH AREA. ALWAYS GO TO A BASEMENT OR AN INTERIOR ROOM ON THE
LOWEST FLOOR IS A TORNADO THREATENS YOUR AREA.

STAY TUNED TO NOAA WEATHER RADIO...RADIO...CABLE TELEVISION...OR
TELEVISION FOR MORE INFORMATION ON THIS SEVERE WEATHER SITUATION.

MARTELLO

&
Special weather statement, Aug 21, 8:35 PM CDT, 39 minutes before
COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-220440-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
735 PM MDT (835 PM CDT) THU AUG 21 1997

...A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT (1 AM CDT)...

A WARM AND HUMID AIRMASS REMAINS OVER THE AREA THIS EVENING.
CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS
CAPABLE OF PRODUCING LARGE HAIL...DAMAGING WINDS IN EXCESS OF 60
MPH...AND TORNADOES.

A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT MDT (1 AM CDT) FOR

YUMA...CHEYENNE AND DUNDY COUNTIES IN EXTREME EASTERN COLORADO...

DUNDY...HITCHCOCK AND RED WILLOW COUNTIES IN EXTREME SOUTHWEST
NEBRASKA...

CHEYENNE...RAWLINS...DECATUR...NORTON...SHERMAN...THOMAS...
SHERIDAN...GRAHAM...WALLACE...LOGAN...GOVE...GREELEY AND WICHITA
COUNTIES OF NORTHWEST KANSAS.

REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN
AND NEAR THE WATCH AREA.  LARGE HAIL AND DAMAGING WINDS MAY ALSO
OCCUR.  BE READY TO MOVE TO A BASEMENT OR STORM CELLAR IF A WARNING
IS ISSUED FOR YOUR AREA.

STAY TUNED TO NOAA WEATHER RADIO...RADIO...CABLE TELEVISION...OR
TELEVISION FOR THE LATEST UPDATES AND POSSIBLE WARNINGS CONCERNING
THIS DANGEROUS WEATHER SITUATION.

TURNER
Special weather statement, Aug 21, 8:43 PM CDT, 31 minutes before
COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-220440-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE GOODLAND KS
735 PM MDT (835 PM CDT) THU AUG 21 1997

...A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT (1 AM CDT)...

A WARM AND HUMID AIRMASS REMAINS OVER THE AREA THIS EVENING.
CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS
CAPABLE OF PRODUCING LARGE HAIL...DAMAGING WINDS IN EXCESS OF 60
MPH...AND TORNADOES.

A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT MDT (1 AM CDT) FOR

YUMA...CHEYENNE AND KIT CARSON COUNTIES IN EXTREME EASTERN
COLORADO...

DUNDY...HITCHCOCK AND RED WILLOW COUNTIES IN EXTREME SOUTHWEST
NEBRASKA...

CHEYENNE...RAWLINS...DECATUR...NORTON...SHERMAN...THOMAS...
SHERIDAN...GRAHAM...WALLACE...LOGAN...GOVE...GREELEY AND WICHITA
COUNTIES OF NORTHWEST KANSAS.

REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN
AND NEAR THE WATCH AREA.  LARGE HAIL AND DAMAGING WINDS MAY ALSO
OCCUR.  BE READY TO MOVE TO A BASEMENT OR STORM CELLAR IF A WARNING
IS ISSUED FOR YOUR AREA.

STAY TUNED TO NOAA WEATHER RADIO...RADIO...CABLE TELEVISION...OR
TELEVISION FOR THE LATEST UPDATES AND POSSIBLE WARNINGS CONCERNING
THIS DANGEROUS WEATHER SITUATION.

TURNER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 9:46 PM CDTSevere Thunderstorm WarningGLDSheridan49 min
Aug 21, 10:41 PM CDTSevere Thunderstorm WarningGLDGraham49 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.