Alert archive / Colorado / Tornado Warnings in 2016

Tornado Warning 71, NWS Goodland, KS

July 15, 2016Cheyenne County, Colorado

NWS Goodland, KS issued this tornado warning at Jul 15, 2016, 2:10 PM MDT for Cheyenne County, Colorado. It was in force for 35 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: Jul 15, 2016, 2:10 PM MDT (20:10 UTC)
Expired: Jul 15, 2016, 2:45 PM MDT
In force: 35 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Tornado: Observed
Hail: 3.0 in

County Cheyenne County, CO

The radar

The Goodland radar (KGLD), 80 km from the middle of the area, began a volume at 20:13 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

Time	Report	Where	Remark
Jul 15, 2:19 PM MDT	HAIL 2.5	Arapahoe, CO
Jul 15, 2:19 PM MDT	TORNADO	7 Se Cheyenne Wells, 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.

Issued	Product	Office	Lasted
Jul 15, 1:12 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 8.2 hours before the alert went out and 152 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: 23 J/kg
Mixed-layer CIN: -351 J/kg
Mixed-layer LCL: 3003 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

382 
WFUS53 KGLD 152010
TORGLD
COC017-152045-
/O.NEW.KGLD.TO.W.0071.160715T2010Z-160715T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
210 PM MDT FRI JUL 15 2016

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

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

* UNTIL 245 PM MDT

* AT 210 PM MDT...A CONFIRMED TORNADO WAS LOCATED 8 MILES EAST OF
  CHEYENNE WELLS...MOVING SOUTH AT 20 MPH.

  HAZARD...DAMAGING TORNADO AND HAIL UP TO THREE INCHES IN DIAMETER. 

  SOURCE...PUBLIC CONFIRMED TORNADO. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
           DAMAGE IS LIKELY. 

* LOCATIONS IMPACTED INCLUDE...
  ARAPAHOE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3886 10228 3884 10205 3862 10205 3862 10232
TIME...MOT...LOC 2010Z 354DEG 17KT 3878 10219 

TORNADO...OBSERVED
HAIL...3.00IN

$$

DR

2 follow-up statements

732 
WWUS53 KGLD 152026
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
226 PM MDT FRI JUL 15 2016

COC017-152045-
/O.CON.KGLD.TO.W.0071.000000T0000Z-160715T2045Z/
CHEYENNE CO-
226 PM MDT FRI JUL 15 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM MDT FOR
SOUTHEASTERN CHEYENNE COUNTY IN EAST CENTRAL COLORADO...
    
AT 226 PM MDT...A CONFIRMED TORNADO WAS LOCATED 7 MILES SOUTHEAST OF
CHEYENNE WELLS...MOVING SOUTHWEST AT 15 MPH.

HAZARD...DAMAGING TORNADO AND TWO INCH HAIL. 

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE
         IS LIKELY. 

LOCATIONS IMPACTED INCLUDE...
ARAPAHOE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3886 10228 3884 10205 3862 10205 3862 10232
TIME...MOT...LOC 2026Z 024DEG 14KT 3874 10227 

TORNADO...OBSERVED
HAIL...2.00IN

$$

024

897 
WWUS53 KGLD 152041
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
241 PM MDT FRI JUL 15 2016

COC017-152050-
/O.EXP.KGLD.TO.W.0071.000000T0000Z-160715T2045Z/
CHEYENNE CO-
241 PM MDT FRI JUL 15 2016

...THE TORNADO WARNING FOR SOUTHEASTERN CHEYENNE COUNTY IN EAST
CENTRAL COLORADO WILL EXPIRE AT 245 PM MDT...
    
THE TORNADO THREAT HAS DIMINISHED AND THE TORNADO WARNING WILL BE
ALLOWED TO EXPIRE. HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN
LIKELY AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE
AREA.

LAT...LON 3886 10228 3884 10205 3862 10205 3862 10232
TIME...MOT...LOC 2030Z 354DEG 17KT 3874 10227 

$$

024

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 6:06 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	21 min
Jul 14, 6:08 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	52 min
Jul 14, 6:38 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	52 min
Jul 14, 6:42 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	30 min
Jul 14, 7:30 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	27 min
Jul 15, 1:01 AM MDT	Special Weather Statement	GLD	Phillips	14 min
Jul 15, 1:10 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	50 min
Jul 15, 1:15 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	30 min
Jul 15, 1:38 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	52 min
Jul 15, 1:43 PM MDT	Tornado Warning	GLD	Cheyenne	17 min
Jul 15, 1:47 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	43 min
Jul 15, 2:14 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	46 min
Jul 15, 2:46 PM MDT	Special Weather Statement	GLD	Cheyenne	14 min

Nearby

Tornado Warnings in Colorado, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.