Alert archive / Colorado / Tornado Warnings in 2007

Tornado Warning 39, NWS Goodland, KS

April 24, 2007Cheyenne County, Colorado

NWS Goodland, KS issued this tornado warning at Apr 24, 2007, 12:55 PM MDT for Cheyenne County, Colorado. It was in force for 50 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 24, 2007, 12:55 PM MDT (18:55 UTC)
Expired
Apr 24, 2007, 1:45 PM MDT
In force
50 min
Issued by
NWS Goodland, KS
Area
Counties, with a storm outline in the text

County Cheyenne County, CO

The radar

The Goodland radar (KGLD), 90 km from the middle of the area, began a volume at 18:56 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.

What was reported inside it

TimeReportWhereRemark
Apr 24, 1:31 PM MDTFUNNEL CLOUD7 N Cheyenne Wells, CO
Apr 24, 1:35 PM MDTTORNADO7 Nw Cheyenne Wells, CO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 6.9 hours before the alert went out and 121 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 2007-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2007-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.193958Sfc1 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
566 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
98 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 
WFUS53 KGLD 241857
TORGLD
COC017-241945-
/O.NEW.KGLD.TO.W.0039.070424T1855Z-070424T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
1255 PM MDT TUE APR 24 2007

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL CHEYENNE COUNTY IN EAST CENTRAL COLORADO...

* UNTIL 145 PM MDT

* AT 1251 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER CENTRAL    
  CHEYENNE COUNTY...OR ABOUT 5 MILES NORTHWEST OF CHEYENNE           
  WELLS...MOVING   NORTHWEST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL NORTHERN CHEYENNE COUNTY AROUND 110 PM MDT

THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 154 AND 160.

IF YOU ARE AT HOME...SEEK SHELTER IN A BASEMENT IF POSSIBLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. AVOID
WINDOWS AND PROTECT YOURSELF FROM FLYING DEBRIS.

LAT...LON 3889 10276 3882 10239 3893 10226 3903 10265

$$
2 follow-up statements
000 
WWUS53 KGLD 241912
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
111 PM MDT TUE APR 24 2007

COC017-241945-
/O.CON.KGLD.TO.W.0039.000000T0000Z-070424T1945Z/
CHEYENNE CO-
111 PM MDT TUE APR 24 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM MDT FOR NORTH
CENTRAL CHEYENNE COUNTY...

AT 107 PM MDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE 
SEVERAL THUNDERSTORMS WITH STRONG ROTATION...IN A LINE EXTENDING 
FROM NEAR ARAPAHOE TO ABOUT 5 MILES NORTH OF CHEYENNE WELLS TO ABOUT 
10 MILES NORTHWEST OF CHEYENNE WELLS. ANY OF THESE STORMS COULD 
PRODUCE A BRIEF TORNADO AT ANY TIME. MOVEMENT WOULD BE NORTHWEST AT 
AROUND 25 MPH.

PLEASE REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. 
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
GOODLAND.

LAT...LON 3889 10276 3882 10239 3893 10226 3903 10265

$$
000 
WWUS53 KGLD 241933
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
132 PM MDT TUE APR 24 2007

COC017-241945-
/O.CON.KGLD.TO.W.0039.000000T0000Z-070424T1945Z/
CHEYENNE CO-
132 PM MDT TUE APR 24 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM MDT FOR NORTH
CENTRAL CHEYENNE COUNTY...

AT 128 PM MDT...LOCAL LAW ENFORCEMENT REPORTED A FUNNEL CLOUD 7 
MILES NORTHWEST OF CHEYENNE WELLS...MOVING NORTHWEST AT 25 MPH.  

A LINE OF THUNDERSTORMS CONTINUES ALONG A LINE FROM NEAR ARAPAHOE 
AND THROUGH NORTH CENTRAL CHEYENNE COUNTY NORTH OF CHEYENNE WELLS. 
ANY OF THESE STORMS COULD PRODUCE A BRIEF TORNADO AT ANY TIME.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3889 10276 3882 10239 3893 10226 3903 10265

$$

KILLINGSWORTH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 7:30 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma60 min
Apr 23, 8:00 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma60 min
Apr 23, 8:08 PM MDTTornado WarningGLDYuma52 min
Apr 23, 8:15 PM MDTSevere Thunderstorm WarningGLDYuma45 min
Apr 23, 8:34 PM MDTTornado WarningGLDYuma26 min
Apr 23, 9:02 PM MDTFlash Flood WarningGLDYuma58 min
Apr 23, 9:15 PM MDTSevere Thunderstorm WarningGLDYuma60 min
Apr 23, 9:18 PM MDTTornado WarningGLDYuma42 min
Apr 23, 9:21 PM MDTSevere Thunderstorm WarningGLDYuma54 min
Apr 23, 9:32 PM MDTTornado WarningGLDYuma58 min
Apr 23, 10:28 PM MDTTornado WarningGLDYuma47 min
Apr 23, 11:02 PM MDTFlash Flood WarningGLDYuma3 hr
Apr 24, 8:50 AM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson55 min
Apr 24, 9:19 AM MDTSevere Thunderstorm WarningGLDKit Carson40 min
Apr 24, 10:01 AM MDTSevere Thunderstorm WarningGLDCheyenne23 min
Apr 24, 10:33 AM MDTSevere Thunderstorm WarningGLDYuma57 min
Apr 24, 11:31 AM MDTSevere Thunderstorm WarningGLDYuma29 min
Apr 24, 12:14 PM MDTTornado WarningGLDCheyenne31 min
Apr 24, 1:37 PM MDTTornado WarningGLDCheyenne, Kit Carson53 min
Apr 24, 1:48 PM MDTTornado WarningGLDCheyenne, Kit Carson57 min
Apr 24, 2:40 PM MDTTornado WarningGLDKit Carson65 min
Apr 24, 3:27 PM MDTTornado WarningGLDCheyenne63 min
Apr 24, 4:22 PM MDTTornado WarningGLDCheyenne40 min
Apr 24, 4:56 PM MDTFlash Flood WarningGLDKit Carson3 hr

Nearby

Tornado Warnings in Colorado, 2007Every tornado warning in 2007Tornadoes in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.