Alert archive / Colorado / Tornado Warnings in 2011
Tornado Warning 31, NWS Goodland, KS
NWS Goodland, KS issued this tornado warning at Jun 19, 2011, 8:37 PM MDT for Yuma County, Colorado. It was in force for 38 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 19, 2011, 8:37 PM MDT (02:37 UTC)
- Expired
- Jun 19, 2011, 9:15 PM MDT
- In force
- 38 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
County Yuma County, CO
The radar
The Goodland radar (KGLD), 118 km from the middle of the area, began a volume at 02:40 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 |
|---|---|---|---|
| Jun 19, 8:40 PM MDT | HAIL 1.75 | 8 N Wauneta, 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 |
|---|---|---|---|
| Jun 19, 2:04 PM MDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 2.6 hours before the alert went out and 108 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
- 874 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1618 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
146
WFUS53 KGLD 200237
TORGLD
COC125-200315-
/O.NEW.KGLD.TO.W.0031.110620T0237Z-110620T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
837 PM MDT SUN JUN 19 2011
THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN YUMA COUNTY IN NORTHEAST COLORADO...
* UNTIL 915 PM MDT
* AT 836 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 6 MILES NORTH OF WAUNETA...AND WAS MOVING EAST AT
35 MPH.
* LOCATIONS IMPACTED INCLUDE...
ALVIN.
THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 258 AND 269.
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.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
&&
LAT...LON 4044 10204 4035 10204 4029 10205 4028 10205
4027 10242 4044 10244 4045 10205
TIME...MOT...LOC 0238Z 265DEG 30KT 4038 10226
HAIL 1.25IN
$$
0242 follow-up statements
736
WWUS53 KGLD 200250
SVSGLD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
850 PM MDT SUN JUN 19 2011
COC125-200315-
/O.CON.KGLD.TO.W.0031.000000T0000Z-110620T0315Z/
YUMA CO-
850 PM MDT SUN JUN 19 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN YUMA COUNTY
UNTIL 915 PM MDT...
AT 847 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 7 MILES NORTHWEST OF ALVIN...AND WAS MOVING EAST AT
35 MPH.
LOCATIONS IMPACTED INCLUDE...
ALVIN.
THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 258 AND 269.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4043 10204 4035 10204 4035 10205 4032 10204
4028 10205 4027 10234 4044 10239 4045 10209
4045 10205
TIME...MOT...LOC 0250Z 265DEG 30KT 4039 10213
HAIL 1.00IN
$$
024952
WWUS53 KGLD 200307
SVSGLD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
907 PM MDT SUN JUN 19 2011
COC125-200317-
/O.EXP.KGLD.TO.W.0031.000000T0000Z-110620T0315Z/
YUMA CO-
907 PM MDT SUN JUN 19 2011
...THE TORNADO WARNING FOR NORTHEASTERN YUMA COUNTY WILL EXPIRE AT
915 PM MDT/1015 PM CDT/...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4043 10204 4035 10204 4035 10205 4032 10204
4028 10205 4027 10234 4044 10239 4045 10209
4045 10205
TIME...MOT...LOC 0307Z 265DEG 30KT 4040 10194
$$
024The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 7:48 PM MDT | Tornado Warning | GLD | Yuma | 57 min |
| Jun 19, 10:37 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 53 min |
| Jun 19, 11:20 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 55 min |
| Jun 20, 2:48 AM MDT | Wind Advisory | GLD | Cheyenne, Kit Carson, Yuma | 23 hr |
| Jun 20, 2:56 AM MDT | Flash Flood Watch | GLD | Yuma | 17 hr |
| Jun 20, 4:34 AM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 41 min |
| Jun 20, 6:26 AM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 64 min |
| Jun 20, 7:19 AM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 56 min |
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.