Alert archive / Colorado / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 261, NWS Goodland, KS

July 22, 2000Cheyenne County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jul 22, 2000, 6:43 PM MDT for Cheyenne County, Colorado. It was in force for 62 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: Jul 22, 2000, 6:43 PM MDT (00:43 UTC)
Expired: Jul 22, 2000, 7:45 PM MDT
In force: 62 min
Issued by: NWS Goodland, KS
Area: Whole counties

County Cheyenne County, CO

The radar

The Goodland radar (KGLD), 98 km from the middle of the area, began a volume at 00:44 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, 0.7 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-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: 902 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 2662 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: 39 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KGLD 230045
SVRGLD
COC017-230145-

BULLETIN - IMMEDIATE ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...FOR BASEBALL SIZED HAIL
NATIONAL WEATHER SERVICE GOODLAND KS
643 PM MDT SAT JUL 22 2000

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CHEYENNE COUNTY IN EAST CENTRAL COLORADO

* UNTIL 745 PM MDT

* AT 642 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF FIRSTVIEW...OR ABOUT 14
  MILES WEST OF CHEYENNE WELLS...MOVING SOUTH AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  AFFECTING RESIDENTS AND MOTORISTS IN THE WARNED AREA.

ANOTHER LOCATION IN THIS WARNING IS...CHEYENNE WELLS.

HAIL UP TO BASEBALL SIZE AND STRONG AND DAMAGING WINDS OF 60 MPH OR 
MORE CAN BE EXPECTED WITH THIS STORM. THIS WARNING REPLACES THE 
PREVIOUS SEVERE THUNDERSTORM WARNING FOR CENTRAL CHEYENNE COUNTY 
THAT EXPIRES AT 645 PM MDT.
R
PLEASE REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
GOODLAND.

$$

SKIPPER

LAT...LON 3897 10228 3896 10275 3863 10273 3863 10227

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 Jul 22, 3:56 PM MDT, 2 hours 47 minutes earlier.

Area forecast discussion, Jul 22, 3:56 PM MDT, 2 hours 47 minutes before

AREA FORECAST DISCUSSION...CORRECTED FOR TYPOS
NATIONAL WEATHER SERVICE GOODLAND KS
356 PM MDT SAT JUL 22 2000

FORECAST CONCERNS THIS AFTERNOON ARE THUNDERSTORM CHANCES TONIGHT
AND TEMPS THROUGH NEXT 48 HOURS.

06Z SURFACE MAP ANALYSIS SHOWED HIGH PRESSURE RIDGE CONTINUING OVER
CENTRAL HIGH PLAINS WITH SEVERAL BOUNDARIES FROM CONVECTION OF
YESTERDAY ACROSS CWA. MAIN BOUNDARY LIES NORTHWEST TO SOUTHEAST
ACROSS MIDDLE OF CWA MAINLY ALONG A YUMA COLORADO TO GOODLAND TO
RUSSELL SPRINGS KANSAS LINE.  ALSO ANOTHER 5H VORT MAX EVIDENT IN
SATELLITE IMAGERY IS PROGGED TO MOVE THROUGH CWA LATE THIS
AFTERNOON.

MODELS IN GOOD AGREEMENT WITH REGARD TO SURFACE AND UPPER FEATURES.
WILL GO WITH A COMBINATION OF ETA AND AVN MODELS FOR THIS FORECAST
PACKAGE. BEST CAPES AND INSTABILITY LIES OVER EASTERN COLORADO AND
OVER KANSAS ALONG THE COLORADO BORDER. WILL GO WITH SCATTERED POPS
FOR TONIGHT WHICH SHOULD BE MAINLY DURING THE EVENING. WILL ALSO GO
CLOSE TO GUIDANCE FOR OVERNIGHT TEMPS DUE TO CONTINUATION OF LOW
LEVEL MOISTURE AND SOUTH WINDS. TEMPS SHOULD GENERALLY BE IN THE 60S
MOST AREAS.

FOR SUNDAY SURFACE AND UPPER RIDGE PROGGED TO BUILD WESTWARD THUS
DRYING OUT THE ATMOSPHERE SOMEWHAT. THERE SHOULD BE SOME LEFT OVER
BOUNDARIES AND LOW LEVEL MOISTURE ACROSS THE AREA. WILL NOT
MENTION THUNDERSTORMS THIS PERIOD BUT COULD BE A FEW ISOLATED
STORMS OVER WESTERN AND SOUTHERN ZONES WITH NO POPS ELSEWHERE. UPPER
LEVEL ATMOSPHERE ALSO SEEMS TO STABILIZE FROM THOSE OF THE PREVIOUS
DAYS. ALSO EXPECT TEMPS TO RISE SOMEWHAT GENERALLY IN THE 85 TO 90
DEGREE RANGE MOST AREAS.

FOR SUNDAY NIGHT 8H AND 7H TEMPS WARM SOMEWHAT. MODELS DO ADVERTISE
A VORT MAX MOVING INTO THE WESTERN CWA OVERNIGHT. THERE SHOULD BE
SOME RESIDUAL LOW LEVEL MOISTURE LEFT FROM RAIN OF PREVIOUS DAYS.
THUS WILL CARRY SLIGHT CHANCE POPS OVER EASTERN COLORADO AND WESTERN
BORDER COUNTIES OF KANSAS. WILL GO WITH MILD TEMPS OVERNIGHT AGAIN
IN THE 60S.

FOR MONDAY THE ATMOSPHERE REMAINS MARGINALLY DRY. THIS
SHOULD RESULT IN HIGHER TEMPS. WILL GO WITH A SLIGHT CHANCE FOR
THUNDERSTORMS WESTERN AND MIDDLE ZONES ONLY. HIGH TEMPS WILL
BE IN THE 90S FOR ALL AREAS.

AS FOR THE EXTENDED FORECAST EXPECT A CHANCE FOR THUNDERSTORMS
MONDAY NIGHT THROUGH WEDNESDAY AS A WEAK FRONT APPROACHES THE AREA
MONDAY NIGHT AND HANGS AROUND IN THE AREA FOR SEVERAL DAYS. EXPECT
TO HAVE A CHANCE OF THUNDERSTORMS THROUGH WEDNESDAY. UPPER RIDGE
REBUILDS WELL OVER AREA BY THURSDAY WITH A DRY AND HOT ATMOSPHERE.
WILL GO WITH GENERALLY LOWS IN THE 60S AND HIGHS IN THE 90S.

.GLD...NONE

LAMMERS

In the hours before

Local storm report, Jul 22, 3:52 PM MDT, 2 hours 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
352 PM MDT SAT JUL 22 2000

TIME(MDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0347 PM    13 N JOES                 CO   1.75 INCH HAIL
07/22/00   YUMA                           REPORTED BY PUBLIC.

0348 PM    8 SE YUMA                 CO   2.75 INCH HAIL
07/22/00   YUMA                           REPORTED BY PUBLIC.

SULLIVAN
N

Local storm report, Jul 22, 4:08 PM MDT, 2 hours 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
408 PM MDT SAT JUL 22 2000

TIME(MDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0315 PM    SHARON SPGS               KS   1.5 INCH HAIL
07/22/00   WALLACE                        REPORTED BY STORM
                                          SPOTTER.

SULLIVAM
N

Local storm report, Jul 22, 4:20 PM MDT, 2 hours 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
420 PM MDT SAT JUL 22 2000

TIME(MDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0320 PM    11 S SHARON SPGS          KS   1.75 INCH HAIL
07/22/00   WALLACE                        REPORTED BY PUBLIC.

0410 PM    TRIBUNE                   KS   .88 INCH HAIL
07/22/00   GREELEY                        REPORTED BY STORM
                                          SPOTTER.

SULLIVAN
N

Local storm report, Jul 22, 5:36 PM MDT, 1 hour 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
536 PM MDT SAT JUL 22 2000

TIME(MDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0428 PM    5 N KIRK                  CO   1.75 INCH HAIL
07/22/00   YUMA                           REPORTED BY STORM
                                          SPOTTER.

0435 PM    6 SW TRIBUNE              KS   1.75 INCH HAIL
07/22/00   GREELEY                        REPORTED BY PUBLIC.

0444 PM    3 NE KIRK                 CO   1 INCH HAIL
07/22/00   YUMA                           REPORTED BY STORM
                                          SPOTTER.

0445 PM    20 W IDALIA               CO   2.75 INCH HAIL
07/22/00   YUMA                           REPORTED BY STORM
                                          SPOTTER.

0518 PM    5 NW STRATTON             CO   1 INCH HAIL
07/22/00   KIT CARSON                     REPORTED BY PUBLIC.

SULLIVAN
N

Local storm report, Jul 22, 5:48 PM MDT, 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
548 PM MDT SAT JUL 22 2000

TIME(MDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0518 PM    2 S STRATTON              CO   .75 INCH HAIL
07/22/00   KIT CARSON                     REPORTED BY STORM
                                          SPOTTER.

SULLIVAN
N

Local storm report, Jul 22, 5:53 PM MDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
553 PM MDT SAT JUL 22 2000

TIME(MDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0537 PM    VONA                      CO   65 MPH TSTM GUST
07/22/00   KIT CARSON                     REPORTED BY OFF-DUTY
                                          NWS EMPLOYEE.

0537 PM    STRATTON                  CO   1 INCH HAIL
07/22/00   KIT CARSON                     REPORTED BY STORM
                                          SPOTTER.

0550 PM    5 SW STRATTON             CO   1.75 INCH HAIL
07/22/00   KIT CARSON                     REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

SULLIVAN
N

Nearby

Severe Thunderstorm Warnings in Colorado, 2000 Every severe thunderstorm warning in 2000

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.