Alert archive / Colorado / Tornado Warnings in 2012
Tornado Warning 7, NWS Goodland, KS
NWS Goodland, KS issued this tornado warning at Apr 27, 2012, 2:59 AM MDT for Cheyenne County, Colorado. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 27, 2012, 2:59 AM MDT (08:59 UTC)
- Expired
- Apr 27, 2012, 3:30 AM MDT
- In force
- 31 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
County Cheyenne County, CO
The radar
The Goodland radar (KGLD), 90 km from the middle of the area, began a volume at 09:02 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 26, 9:00 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 9.0 hours before the alert went out and 127 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
- 95 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 2538 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 175 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 270859 TORGLD COC017-270930- /O.NEW.KGLD.TO.W.0007.120427T0859Z-120427T0930Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GOODLAND KS 259 AM MDT FRI APR 27 2012 THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A * TORNADO WARNING FOR... CENTRAL CHEYENNE COUNTY IN EAST CENTRAL COLORADO... * UNTIL 330 AM MDT * AT 257 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 15 MILES SOUTH OF FIRSTVIEW...AND WAS MOVING NORTH AT 40 MPH. * LOCATIONS IMPACTED INCLUDE... FIRSTVIEW. THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 156 AND 163. 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. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GOODLAND. && LAT...LON 3904 10263 3904 10233 3861 10239 3861 10263 TIME...MOT...LOC 0859Z 184DEG 36KT 3863 10251 HAIL 1.25IN $$ BULLER
3 follow-up statements
165 WWUS53 KGLD 270911 SVSGLD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 311 AM MDT FRI APR 27 2012 COC017-270930- /O.CON.KGLD.TO.W.0007.000000T0000Z-120427T0930Z/ CHEYENNE CO- 311 AM MDT FRI APR 27 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL CHEYENNE COUNTY UNTIL 330 AM MDT... AT 307 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 8 MILES SOUTH OF FIRSTVIEW...AND WAS MOVING NORTH AT 40 MPH. LOCATIONS IMPACTED INCLUDE... FIRSTVIEW. THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 157 AND 163. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GOODLAND. && LAT...LON 3904 10263 3904 10233 3861 10239 3861 10263 TIME...MOT...LOC 0911Z 183DEG 36KT 3874 10252 HAIL 1.25IN $$ BULLER
780 WWUS53 KGLD 270923 SVSGLD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 323 AM MDT FRI APR 27 2012 COC017-270930- /O.CON.KGLD.TO.W.0007.000000T0000Z-120427T0930Z/ CHEYENNE CO- 323 AM MDT FRI APR 27 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL CHEYENNE COUNTY UNTIL 330 AM MDT... AT 321 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED ONE TO TWO MILES EAST OF FIRSTVIEW...AND WAS MOVING NORTH AT 40 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF CENTRAL CHEYENNE COUNTY. THIS INCLUDES HIGHWAY 385 BETWEEN MILE MARKERS 157 AND 163. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GOODLAND. && LAT...LON 3904 10263 3904 10233 3861 10239 3861 10263 TIME...MOT...LOC 0923Z 187DEG 36KT 3884 10248 HAIL 1.25IN $$ BULLER
771 WWUS53 KGLD 270929 SVSGLD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 329 AM MDT FRI APR 27 2012 COC017-270939- /O.EXP.KGLD.TO.W.0007.000000T0000Z-120427T0930Z/ CHEYENNE CO- 329 AM MDT FRI APR 27 2012 ...THE TORNADO WARNING FOR CENTRAL CHEYENNE COUNTY WILL EXPIRE AT 330 AM MDT/430 AM CDT/... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 4 AM MDT. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GOODLAND. LAT...LON 3904 10263 3904 10233 3861 10239 3861 10263 TIME...MOT...LOC 0929Z 187DEG 36KT 3890 10247 $$ BULLER
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 12:52 AM MDT | Special Weather Statement | GLD | Cheyenne | 23 min |
| Apr 27, 1:23 AM MDT | Special Weather Statement | GLD | Cheyenne | 52 min |
| Apr 27, 1:43 AM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 47 min |
| Apr 27, 2:18 AM MDT | Tornado Warning | GLD | Cheyenne, Kit Carson | 27 min |
| Apr 27, 8:28 AM MDT | High Wind Warning | GLD | Cheyenne, Kit Carson, Yuma | 6 hr |
Nearby
Tornado Warnings in Colorado, 2012Every tornado warning in 2012Tornadoes in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.