Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 39, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Jun 28, 2011, 2:39 AM CDT for 4 counties in Texas. It was in force for 51 min. 5 reports 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 28, 2011, 2:39 AM CDT (07:39 UTC)
- Expired
- Jun 28, 2011, 3:30 AM CDT
- In force
- 51 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
Counties Armstrong County, TX, Carson County, TX, Potter County, TX, Randall County, TX
The radar
The Amarillo radar (KAMA), 7 km from the middle of the area, began a volume at 07:39 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 |
|---|---|---|---|
| Jun 28, 2:41 AM CDT | TSTM WND GST 60 | 2 S Amarillo, TX | |
| Jun 28, 2:53 AM CDT | TSTM WND GST 69 | 6 Ene Amarillo, TX | |
| Jun 28, 3:07 AM CDT | TSTM WND DMG | 7 Nne Amarillo, TX | PART OF A ROOF BLOWN OFF A VACANT HOUSE...LEAD TO BROKEN WINDOWS IN NEIGHBORING HOMES. DELAYED REPORT |
| Jun 28, 3:15 AM CDT | TSTM WND DMG | 6 Ene Amarillo, TX | METAL OUT BUILDING BLOWN OVER A FENCE ON THE SOUTH SIDE OF HIGHWAY 60 |
| Jun 28, 3:31 AM CDT | TSTM WND GST 61 | 6 Ene Amarillo, TX |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 7.7 hours before the alert went out and 7 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
- 401 J/kg
- Mixed-layer CIN
- -306 J/kg
- Mixed-layer LCL
- 2538 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
486 WUUS54 KAMA 280739 SVRAMA TXC011-065-375-381-280830- /O.NEW.KAMA.SV.W.0039.110628T0739Z-110628T0830Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 239 AM CDT TUE JUN 28 2011 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN ARMSTRONG COUNTY IN THE PANHANDLE OF TEXAS SOUTHWESTERN CARSON COUNTY IN THE PANHANDLE OF TEXAS SOUTHEASTERN POTTER COUNTY IN THE PANHANDLE OF TEXAS NORTHEASTERN RANDALL COUNTY IN THE PANHANDLE OF TEXAS * UNTIL 330 AM CDT * AT 235 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR AMARILLO...MOVING NORTHEAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... AMARILLO... PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE AT 8 0 6 3 3 5 1 1 2 1. && LAT...LON 3540 10186 3537 10152 3506 10162 3511 10198 TIME...MOT...LOC 0738Z 197DEG 20KT 3518 10178 $$ KB
2 follow-up statements
819 WWUS54 KAMA 280747 SVSAMA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 247 AM CDT TUE JUN 28 2011 TXC011-065-375-381-280830- /O.CON.KAMA.SV.W.0039.000000T0000Z-110628T0830Z/ POTTER TX-RANDALL TX-CARSON TX-ARMSTRONG TX- 247 AM CDT TUE JUN 28 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT FOR NORTHWESTERN ARMSTRONG...SOUTHWESTERN CARSON...NORTHEASTERN RANDALL AND SOUTHEASTERN POTTER COUNTIES... AT 243 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR AMARILLO...MOVING NORTH AT 25 MPH. VERY STRONG WINDS HAVE DEVELOPED BEHIND A CLUSTER OF THUNDERSTORMS. DESTRUCTIVE WINDS CAN BE EXPECTED. IF YOU CANNOT GET UNDERGROUND...GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE AT 8 0 6 3 3 5 1 1 2 1. LAT...LON 3540 10186 3537 10152 3506 10162 3511 10198 TIME...MOT...LOC 0746Z 197DEG 20KT 3522 10173 $$ KB
438 WWUS54 KAMA 280813 SVSAMA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 313 AM CDT TUE JUN 28 2011 TXC011-065-375-381-280830- /O.CON.KAMA.SV.W.0039.000000T0000Z-110628T0830Z/ POTTER TX-RANDALL TX-CARSON TX-ARMSTRONG TX- 313 AM CDT TUE JUN 28 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT FOR NORTHWESTERN ARMSTRONG...SOUTHWESTERN CARSON...NORTHEASTERN RANDALL AND SOUTHEASTERN POTTER COUNTIES... AT 308 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT VERY DESTRUCTIVE WINDS IN EXCESS OF 80 MPH IN WAKE OF A CLUSTER OF THUNDERSTORMS. THE STRONGEST WINDS WERE LOCATED NEAR PANTEX...OR ABOUT 12 MILES NORTHEAST OF AMARILLO. DESTRUCTIVE WINDS CAN BE EXPECTED. IF YOU CANNOT GET UNDERGROUND...GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE AT 8 0 6 3 3 5 1 1 2 1. LAT...LON 3540 10186 3537 10152 3506 10162 3511 10198 TIME...MOT...LOC 0811Z 197DEG 11KT 3534 10167 $$ KB
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 10:59 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith | 61 min |
| Jun 27, 11:47 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Moore, Oldham, Potter, Randall | 39 min |
| Jun 28, 1:01 AM CDT | Areal Flood Advisory | AMA | Randall | 3 hr |
| Jun 28, 1:42 AM CDT | Areal Flood Advisory | AMA | Potter | 97 min |
| Jun 28, 1:50 AM CDT | Areal Flood Advisory | AMA | Armstrong, Carson, Gray | 3 hr |
| Jun 28, 3:23 AM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Potter, Randall | 52 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2011Every severe thunderstorm warning 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.