Alert archive / Colorado / Tornado Warnings in 2011
Tornado Warning 9, NWS Goodland, KS
NWS Goodland, KS issued this tornado warning at May 18, 2011, 6:12 PM MDT for Cheyenne County, Colorado. It was in force for 63 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
- May 18, 2011, 6:12 PM MDT (00:12 UTC)
- Expired
- May 18, 2011, 7:15 PM MDT
- In force
- 63 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
County Cheyenne County, CO
The radar
The Pueblo radar (KPUX), 101 km from the middle of the area, began a volume at 00:13 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 |
|---|---|---|---|
| May 18, 7:20 PM MDT | HAIL 0.88 | Kit Carson, 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 00:00Z, 0.2 hours before the alert went out and 131 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.
- Mixed-layer CAPE
- 4 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 234 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
552
WFUS53 KGLD 190012
TORGLD
COC017-190115-
/O.NEW.KGLD.TO.W.0009.110519T0012Z-110519T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
612 PM MDT WED MAY 18 2011
THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN CHEYENNE COUNTY IN EAST CENTRAL COLORADO...
* UNTIL 715 PM MDT
* AT 611 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR
HASWELL...OR 26 MILES SOUTH OF AROYA. DOPPLER RADAR SHOWED THIS
TORNADO MOVING NORTHEAST AT 25 MPH.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
PING PONG BALL SIZE HAIL.
* LOCATIONS IMPACTED INCLUDE...
AROYA...WILD HORSE AND KIT CARSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO HAS BEEN CONFIRMED BY TRAINED WEATHER SPOTTERS.
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 3869 10317 3886 10317 3887 10316 3871 10259
3861 10276 3861 10317 3861 10318 3866 10318
TIME...MOT...LOC 0012Z 224DEG 21KT 3849 10320
HAIL 1.50IN
$$
ROBINSON2 follow-up statements
503
WWUS53 KGLD 190035
SVSGLD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
635 PM MDT WED MAY 18 2011
COC017-190115-
/O.CON.KGLD.TO.W.0009.000000T0000Z-110519T0115Z/
CHEYENNE CO-
635 PM MDT WED MAY 18 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CHEYENNE
COUNTY UNTIL 715 PM MDT...
AT 632 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR GALATEA...OR 19 MILES SOUTH OF WILD HORSE...
AND WAS MOVING NORTHEAST AT 25 MPH.
LOCATIONS IMPACTED INCLUDE...
AROYA...WILD HORSE AND KIT CARSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3869 10317 3886 10317 3887 10316 3871 10259
3861 10276 3861 10317 3861 10318 3866 10318
TIME...MOT...LOC 0035Z 229DEG 22KT 3856 10305
HAIL 1.00IN
$$
ROBINSON291
WWUS53 KGLD 190105
SVSGLD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
705 PM MDT WED MAY 18 2011
COC017-190116-
/O.EXP.KGLD.TO.W.0009.000000T0000Z-110519T0115Z/
CHEYENNE CO-
705 PM MDT WED MAY 18 2011
...THE TORNADO WARNING FOR SOUTHWESTERN CHEYENNE COUNTY WILL EXPIRE
AT 715 PM MDT/815 PM CDT/...
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA.
LAT...LON 3869 10317 3886 10317 3887 10316 3871 10259
3861 10276 3861 10317 3861 10318 3866 10318
TIME...MOT...LOC 0106Z 229DEG 22KT 3868 10287
$$
ROBINSONThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 7:04 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 26 min |
| May 18, 7:32 PM MDT | Special Weather Statement | GLD | Cheyenne | 58 min |
| May 18, 8:03 PM MDT | Tornado Warning | GLD | Cheyenne, Kit Carson | 15 min |
| May 18, 8:18 PM MDT | Special Weather Statement | GLD | Cheyenne | 27 min |
| May 18, 9:28 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 48 min |
| May 19, 6:20 AM MDT | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 6 hr |
Nearby
Tornado Warnings in Colorado, 2011Every tornado warning in 2011Tornadoes in 2011
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.