Alert archive / Colorado / Tornado Warnings in 2011
Tornado Warning 4, NWS Goodland, KS
NWS Goodland, KS issued this tornado warning at May 11, 2011, 3:36 PM MDT for Kit Carson County, Colorado. It was in force for 39 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 11, 2011, 3:36 PM MDT (21:36 UTC)
- Expired
- May 11, 2011, 4:15 PM MDT
- In force
- 39 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
County Kit Carson County, CO
The radar
The Goodland radar (KGLD), 114 km from the middle of the area, began a volume at 21:39 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 11, 4:15 PM MDT | HAIL 1 | 4 E Seibert, CO | HAIL REPORT RELAYED BY LAW ENFORCEMENT ON INTERSTATE 70. |
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, 9.6 hours before the alert went out and 49 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 629 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 583 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
491
WFUS53 KGLD 112136
TORGLD
COC063-112215-
/O.NEW.KGLD.TO.W.0004.110511T2136Z-110511T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
336 PM MDT WED MAY 11 2011
THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN KIT CARSON COUNTY IN EAST CENTRAL COLORADO...
* UNTIL 415 PM MDT
* AT 334 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 5 MILES NORTH OF SEIBERT...AND WAS MOVING NORTH
AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF NORTHWESTERN KIT CARSON COUNTY.
THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 393 AND 413.
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 3947 10316 3957 10316 3958 10300 3957 10300
3957 10281 3957 10278 3919 10271 3916 10308
3941 10317 3946 10316
TIME...MOT...LOC 2136Z 158DEG 19KT 3939 10287
HAIL 1.25IN
$$
LOCKHART2 follow-up statements
890
WWUS53 KGLD 112153
SVSGLD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
353 PM MDT WED MAY 11 2011
COC063-112215-
/O.CON.KGLD.TO.W.0004.000000T0000Z-110511T2215Z/
KIT CARSON CO-
353 PM MDT WED MAY 11 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN KIT CARSON
COUNTY UNTIL 415 PM MDT...
AT 348 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 11 MILES NORTH OF SEIBERT...AND WAS MOVING NORTH AT
20 MPH.
LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF NORTHWESTERN KIT CARSON COUNTY.
THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 393 AND 413.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3947 10316 3957 10316 3958 10300 3957 10300
3957 10281 3957 10278 3919 10271 3916 10308
3941 10317 3946 10316
TIME...MOT...LOC 2153Z 158DEG 19KT 3947 10291
HAIL 1.25IN
$$
LOCKHART613
WWUS53 KGLD 112214
SVSGLD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
414 PM MDT WED MAY 11 2011
COC063-112222-
/O.EXP.KGLD.TO.W.0004.000000T0000Z-110511T2215Z/
KIT CARSON CO-
414 PM MDT WED MAY 11 2011
...THE TORNADO WARNING FOR NORTHWESTERN KIT CARSON COUNTY WILL EXPIRE
AT 415 PM MDT/515 PM CDT/...
ADDITIONAL ROTATING STORMS ARE MOVING INTO THE SAME AREA AND ARE
ALSO LIKELY PRODUCING SEVERE WEATHER. ADDITIONAL WARNINGS WILL BE
ISSUED AS NEEDED.
LAT...LON 3947 10316 3957 10316 3958 10300 3957 10300
3957 10281 3957 10278 3919 10271 3916 10308
3941 10317 3946 10316
TIME...MOT...LOC 2212Z 158DEG 19KT 3956 10296
$$
LOCKHARTThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 7:32 PM MDT | Special Weather Statement | GLD | Yuma | 43 min |
| May 10, 7:33 PM MDT | Special Weather Statement | GLD | Yuma | 42 min |
| May 11, 3:02 PM MDT | Tornado Warning | GLD | Kit Carson | 31 min |
| May 11, 4:17 PM MDT | Tornado Warning | GLD | Kit Carson | 43 min |
| May 11, 4:40 PM MDT | Special Weather Statement | GLD | Kit Carson | 2 hr |
| May 11, 4:41 PM MDT | Tornado Warning | GLD | Kit Carson | 37 min |
| May 11, 4:46 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 59 min |
| May 11, 4:56 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 18 min |
| May 11, 5:28 PM MDT | Tornado Warning | GLD | Yuma | 10 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.