Alert archive / Colorado / Tornado Warnings in 1994

Tornado Warning 62, NWS Goodland, KS

June 20, 1994Yuma County, Colorado

NWS Goodland, KS issued this tornado warning at Jun 20, 1994, 4:50 PM MDT for Yuma County, Colorado. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jun 20, 1994, 4:50 PM MDT (22:50 UTC)
Expired
Jun 20, 1994, 5:46 PM MDT
In force
56 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Yuma County, CO

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 10.8 hours before the alert went out and 70 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 12:00Z on 1994-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Denver, CO at 12:00Z on 1994-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939Sfc1 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
3 J/kg
Mixed-layer CIN
-208 J/kg
Mixed-layer LCL
1744 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
-11 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 202250
TORGLD
COC125-202350-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
450 PM MDT MON JUN 20 1994

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 550 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN EAST CENTRAL COLORADO

   ...WESTERN AND NORTHERN YUMA COUNTY

AT 450 PM MDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO DEVELOPING 6
MILES NORTHWEST OF YUMA OR 21 MILES EAST OF AKRON MOVING NORTH AT 10
MILES AN HOUR. THE STORM WILL REMAIN IN RURAL AREAS NORTH OF YUMA
THROUGH 550 PM MDT.

GET TO A BASEMENT IF ONE IS AVAILABLE.  IF YOU LIVE IN A HOME OR
APARTMENT...SEEK SHELTER IN THE INNERMOST PORTION OF THE BUILDING \ON
THE LOWEST FLOOR. AVOID WINDOWS AND PROTECT YOUR BODY FROM FLYING
DEBRIS WITH CUSHIONS...BLANKETS...OR PILLOWS

JACKSON

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Jun 20, 2:43 PM MDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jun 20, 2:43 PM MDT, 2 hours 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
243 PM MDT (343 PM CDT) MON JUN 20 1994

RECOMMENDATIONS...

E CENT COLO...RECOMMEND 85 TO 90 FOR TUES HIGHS.

REST OF CURRENT PACKAGES LOOK GOOD.

DISCUSSION...

WTR VAPOR IMAGERY INDCD A WK SHRT WV OVR THE CNTRL ROCKIES AT 12Z.  THE
NGM MODELS INTLZD THIS FEATURE BTR THAN THE OTR TWO MODELS ALTHOUGH ALL
ARE QUITE SIMILAR THRU THE PD OF CONCERN.

VORT MAX OVR CNTRL ROCKIES HELPING TO TRIGGER TRW OVR WRN NE ATTM.  THE
VORT MAX APPRS TO BE MOVING SLOWER THAN PROGD BY NGM AS INDCD BY AREA
PROFILERS.  PC GRIDDED DATA INDCD BEST LFT FM THE VORT MAX TO OCR THIS
EVE BUT THIS SHOULD BE DELAYED A FEW HRS.

TROF EXTENDING ACRS CWA FOCUSING TRW ACTVTY ERL THIS AFTN OVR THE AREA.
 XPC THIS ACTVTY TO CONT TO MOVE E AS TROF AND COLD FNT TO THE NW PUSH
INTO THE RGN. CNVTV ACTVTY OVR WRN NE TO PUSH FNT THRU SW NE A PORTIONS
OF NE COLO AND POSSIBLY INTO THE NRN PORTIONS OF NW KS. THIS TO PRODUCE
XPCD WND SHIFT AND SLIGHTLY COOLER TEMPS OVR EXTRM NRN SECTIONS OF CWA
OVNGT.  CRNT FCSTS HANDLE THIS SITUATION WELL.

FNT TO MOVE NE OUT OF THE RGN ON TUE AS AREA OF LOW PRES DVLPS OVR THE
NRN HI PLNS.  RFC GRIDDED DATA INDCD THAT 850 MB TEMPS TO BE ABT THE
SAME AS TDA...BUT AN INCR IN CLD CVR TO PRVD THE DIFFERENCE IN TEMPS AS
READINGS TO BE A CTGY LWR THAN TDA OVR THE W.  ERN SECTIONS OF AREA TO
AGN BE WRM AND HUMID.  TEMPS TO VARY FM 85 TO 90 OVR ERN COLO TO THE
MID 90S OVR FAR ERN ZNS.

ANOTHER WK VORT MAX TO MOVE INTO RGN LT TUE AFTN PRODUCING ANOTHER CHC
OF PRECIP WITH MOST LKLY AREAS TO SEE TRW ACTVTY OVR SW NE AND ERN COLO.

GLD   62/91 33   HLC  67/96 22
CBK   63/91 33   MCK  59/89 33
TRB   61/92 22   5C0  60/89 44

TURNER

In the hours before

Special weather statement, Jun 20, 11:02 AM MDT, 5 hours 48 minutes before
COZ090>092-NEZ079>081-KSZ001>005-013>017-027>029-041-042-202305-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1100 AM MDT (1200 PM CDT) MON JUN 20 1994

THIS OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES

CHEYENNE CO   CHEYENNE KS   DECATUR KS     DUNDY NE        GOVE KS
GRAHAM KS     GREELEY KS    HITCHCOCK NE   KIT CARSON CO   LOGAN KS
NORTON KS     PHILLIPS KS   RAWLINS KS     RED WILLOW NE   ROOKS KS
SHERIDAN KS   SHERMAN KS    THOMAS  KS     WALLACE KS      WICHITA KS
YUMA CO

SYNOPSIS: WARM AND HUMID CONDITIONS ACROSS THE REGION WILL PROVIDE THE
FUEL FOR THUNDERSTORM DEVELOPMENT.  SOME OF THESE STORMS MAY EXCEED
SEVERE LEVELS...ESPECIALLY OVER EAST CENTRAL COLORADO AND EXTREME
SOUTHWEST NEBRASKA.

SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND INTO THE
EVENING.

TURNER
Special weather statement, Jun 20, 1:34 PM MDT, 3 hours 16 minutes before
COZ090>092-202035-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
131 PM MDT MON JUN 20 1994

...THUNDERSTORMS WERE AGAIN DEVELOPING OVER KIT CARSON AND YUMA
COUNTIES IN EASTERN COLORADO...

AT 130 PM MDT STRONG THUNDERSTORMS WITH ISOLATED HEAVY RAINS WERE
DEVELOPING ABOUT 18 MILES NORTH OF BURLINGTON COLORADO AND JUST
NORTH OF IDALIA IN YUMA COUNTY.

THE STORMS WILL LIKELY MOVE NORTH AND CONTINUE TO DEVELOP DURING THE
HEAT OF THE AFTERNOON.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

BOYLE
Special weather statement, Jun 20, 2:42 PM MDT, 2 hours 8 minutes before
COZ090>092-NEZ079>081-KSZ001>005-013>017-027>029-041-042-202140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
240 PM MDT (340 PM CDT) MON JUN 20 1994

...THUNDERSTORMS CONTINUE TO DEVELOP ALONG THE KANSAS COLORADO BORDER
AND IN YUMA AND KIT CARSON COUNTIES IN COLORADO..

AT 230 PM MDT THUNDERSTORMS WITH ISOLATED MODERATE RAINS WERE
GENERALLY NORTH OF BURLINGTON TO SOUTHEAST OF WRAY.  THE STORMS WERE
MOVING NORTH AT 10 MPH AND WILL LIKELY SPREAD INTO DUNDY COUNTY WEST OF
BENKELMAN NEBRASKA BY 3 PM MDT (4 PM CDT).

ANOTHER STORM WAS ABOUT 17 MILES NORTHWEST OF GOODLAND IN CHEYENNE
COUNTY KANSAS.

FURTHER THUNDERSTORM DEVELOPMENT IS EXPECTED THIS AFTERNOON AND
THIS EVENING OVER NORTHWEST KANSAS...SOUTHWEST NEBRASKA AND EXTREME
NORTHEAST COLORADO.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

BOYLE
Special weather statement, Jun 20, 3:39 PM MDT, 1 hour 11 minutes before
COZ090>092-KSZ001>005-013>017-027>029-041-042-NEZ079>081-202240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
336 PM MDT (436 PM CDT) MON JUN 20 1994

...THUNDERSTORMS WILL CONTINUE INTO THE EVENING...

SCATTERED THUNDERSTORMS WILL CONTINUE UNTIL TEMPERATURES COOL DOWN
LATER THIS EVENING. SOME OF THESE STORMS MAY PRODUCE GUSTY WINDS AND
SMALL HAIL. THE BEST CHANCE FOR GUSTS OR HAIL WILL BE IN YUMA COUNTY
COLORADO...CHEYENNE COUNTY KANSAS...AND DUNDY COUNTY NEBRASKA.

THE STORMS THIS EVENING SHOULD ALSO BE SLOW MOVING. THIS MEANS THERE
MIGHT BE LOCALLY HEAVY RAIN AS A STORM CENTER PASSES BY.

IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER
INFORMATION A,ND KEEP A WEATHER EYE ON THE SKY.

KWIATKOWSKI

Nearby

Tornado Warnings in Colorado, 1994Every tornado warning in 1994Tornadoes in 1994

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.