Alert archive / Colorado / Tornado Warnings in 2012

Tornado Warning 9, NWS Goodland, KS

June 2, 2012Cheyenne County, Colorado

NWS Goodland, KS issued this tornado warning at Jun 2, 2012, 5:20 PM MDT for Cheyenne County, Colorado. It was in force for 40 min. 1 report 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
Jun 2, 2012, 5:20 PM MDT (23:20 UTC)
Expired
Jun 2, 2012, 6:00 PM MDT
In force
40 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon

County Cheyenne County, CO

The radar

The Goodland radar (KGLD), 94 km from the middle of the area, began a volume at 23:23 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
Jun 2, 5:28 PM MDTTORNADO4 Sw Firstview, CO

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

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 2, 2:33 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.3 hours before the alert went out and 140 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 2012-06-02Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2012-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1766 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
90 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.

406 
WFUS53 KGLD 022320
TORGLD
COC017-030000-
/O.NEW.KGLD.TO.W.0009.120602T2320Z-120603T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
520 PM MDT SAT JUN 2 2012

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

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

* UNTIL 600 PM MDT

* AT 518 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 12 MILES SOUTH OF FIRSTVIEW...AND WAS MOVING
  NORTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FIRSTVIEW...CHEYENNE WELLS AND ARAPAHOE.

THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 136 AND 161.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3862 10269 3898 10270 3898 10210 3861 10211
TIME...MOT...LOC 2320Z 223DEG 11KT 3867 10261
HAIL 1.00IN
$$

JERRYK
4 follow-up statements
056 
WWUS53 KGLD 022327
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
527 PM MDT SAT JUN 2 2012

COC017-030000-
/O.CON.KGLD.TO.W.0009.000000T0000Z-120603T0000Z/
CHEYENNE CO-
527 PM MDT SAT JUN 2 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL CHEYENNE COUNTY
UNTIL 600 PM MDT...

AT 525 PM MDT TRAINED SPOTTERS REPORTED A TORNADO ABOUT 5 MILES EAST 
OF KIT CARSON. THIS TORNADO IS MOVING NORTHEAST AT ABOUT 15 MILES 
PER HOUR. 

BRIEF WEAK TORNADOES MAY DEVELOP ALONG A LINE OF THUNDERSTORMS WHICH 
WILL MOVE THROUGH THE FIRSTVIEW AND CHEYENNE WELLS AREAS IN THE NEXT 
30 MINUTES.

LOCATIONS IMPACTED INCLUDE...
  CHEYENNE WELLS AND ARAPAHOE.

THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 136 AND 161.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3862 10269 3898 10270 3898 10210 3861 10211
TIME...MOT...LOC 2325Z 248DEG 20KT 3884 10252 3873 10257
          3863 10261
HAIL 1.00IN
$$

JERRYK
901 
WWUS53 KGLD 022331
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
531 PM MDT SAT JUN 2 2012

COC017-030000-
/O.CON.KGLD.TO.W.0009.000000T0000Z-120603T0000Z/
CHEYENNE CO-
531 PM MDT SAT JUN 2 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL CHEYENNE COUNTY
UNTIL 600 PM MDT...

AT 527 PM MDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO. THIS
TORNADO WAS LOCATED NEAR FIRSTVIEW...AND WAS MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  CHEYENNE WELLS AND ARAPAHOE.

THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 136 AND 161.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO HAS BEEN CONFIRMED BY LAW ENFORCEMENT. TAKE
COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3862 10269 3898 10270 3898 10210 3861 10211
TIME...MOT...LOC 2331Z 248DEG 20KT 3882 10250
HAIL 1.00IN
$$

JERRYK
492 
WWUS53 KGLD 022340
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
540 PM MDT SAT JUN 2 2012

COC017-030000-
/O.CON.KGLD.TO.W.0009.000000T0000Z-120603T0000Z/
CHEYENNE CO-
540 PM MDT SAT JUN 2 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN CHEYENNE COUNTY
UNTIL 600 PM MDT...

AT 539 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR CHEYENNE WELLS...AND WAS MOVING EAST AT 25
MPH.

LOCATIONS IMPACTED INCLUDE...
  CHEYENNE WELLS AND ARAPAHOE.

THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 136 AND 161.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3862 10258 3897 10255 3898 10210 3861 10211
TIME...MOT...LOC 2340Z 248DEG 20KT 3885 10242
HAIL 1.00IN
$$

JERRYK
890 
WWUS53 KGLD 022355
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
555 PM MDT SAT JUN 2 2012

COC017-030000-
/O.CON.KGLD.TO.W.0009.000000T0000Z-120603T0000Z/
CHEYENNE CO-
555 PM MDT SAT JUN 2 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN CHEYENNE COUNTY
UNTIL 600 PM MDT...

AT 553 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING BRIEF WEAK 
TORNADOES. THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM 9 MILES NORTH OF ARAPAHOE TO ARAPAHOE TO 11 MILES 
NORTH OF SHERIDAN LAKE...AND WAS MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN CHEYENNE COUNTY.

THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 136 AND 161.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3862 10241 3897 10235 3898 10210 3861 10211
TIME...MOT...LOC 2355Z 261DEG 40KT 3898 10215 3882 10217
          3862 10220
HAIL 1.00IN
$$

JERRYK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 4:14 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson46 min
Jun 2, 5:02 PM MDTSevere Thunderstorm WarningGLDCheyenne58 min
Jun 2, 5:10 PM MDTSevere Thunderstorm WarningGLDYuma65 min
Jun 2, 5:15 PM MDTSevere Thunderstorm WarningGLDYuma45 min
Jun 2, 5:46 PM MDTTornado WarningGLDCheyenne, Kit Carson31 min
Jun 2, 5:59 PM MDTTornado WarningGLDCheyenne27 min

Nearby

Tornado Warnings in Colorado, 2012Every tornado warning in 2012Tornadoes in 2012

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.