Alert archive / Colorado / Tornado Warnings in 2011
Tornado Warning 6, NWS Goodland, KS
NWS Goodland, KS issued this tornado warning at May 11, 2011, 4:41 PM MDT for Kit Carson County, Colorado. It was in force for 37 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, 4:41 PM MDT (22:41 UTC)
- Expired
- May 11, 2011, 5:18 PM MDT
- In force
- 37 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
County Kit Carson County, CO
The radar
The Goodland radar (KGLD), 84 km from the middle of the area, began a volume at 22:43 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, 4:57 PM MDT | HAIL 0.75 | Stratton, 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 |
|---|---|---|---|
| May 11, 3:52 PM MDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 10.7 hours before the alert went out and 68 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.
576 WFUS53 KGLD 112241 TORGLD COC063-112330- /O.NEW.KGLD.TO.W.0006.110511T2241Z-110511T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GOODLAND KS 441 PM MDT WED MAY 11 2011 THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A * TORNADO WARNING FOR... CENTRAL KIT CARSON COUNTY IN EAST CENTRAL COLORADO... * UNTIL 530 PM MDT * AT 439 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR STRATTON...AND WAS MOVING NORTHWEST AT 20 MPH. * LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF NORTHERN KIT CARSON COUNTY. THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 413 AND 428. 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 3957 10284 3957 10253 3925 10242 3924 10272 TIME...MOT...LOC 2242Z 156DEG 16KT 3936 10260 HAIL 1.25IN $$ LOCKHART
2 follow-up statements
402 WWUS53 KGLD 112306 SVSGLD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 506 PM MDT WED MAY 11 2011 COC063-112330- /O.CON.KGLD.TO.W.0006.000000T0000Z-110511T2330Z/ KIT CARSON CO- 506 PM MDT WED MAY 11 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL KIT CARSON COUNTY UNTIL 530 PM MDT... AT 502 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 10 MILES NORTH OF STRATTON...AND WAS MOVING NORTHWEST AT 20 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF NORTHERN KIT CARSON COUNTY. THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 413 AND 428. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 3957 10284 3957 10253 3925 10242 3924 10272 TIME...MOT...LOC 2306Z 156DEG 16KT 3946 10266 HAIL 1.25IN $$ LOCKHART
786 WWUS53 KGLD 112318 SVSGLD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 518 PM MDT WED MAY 11 2011 COC063-112328- /O.CAN.KGLD.TO.W.0006.000000T0000Z-110511T2330Z/ KIT CARSON CO- 518 PM MDT WED MAY 11 2011 ...THE TORNADO WARNING FOR CENTRAL KIT CARSON COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY...HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 3957 10284 3957 10253 3925 10242 3924 10272 TIME...MOT...LOC 2318Z 156DEG 16KT 3951 10269 $$ LOCKHART
The 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, 3:36 PM MDT | Tornado Warning | GLD | Kit Carson | 39 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, 4:46 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.