Alert archive / Texas / Tornado Warnings in 2012
Tornado Warning 3, NWS Amarillo, TX
NWS Amarillo, TX issued this tornado warning at May 21, 2012, 8:39 PM CDT for Deaf Smith County, Oldham County, 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
- May 21, 2012, 8:39 PM CDT (01:39 UTC)
- Expired
- May 21, 2012, 9:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Amarillo, TX
- Area
- Storm-based polygon
Counties Deaf Smith County, TX, Oldham County, TX
The radar
The Amarillo radar (KAMA), 73 km from the middle of the area, began a volume at 01:42 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 21, 8:45 PM CDT | TORNADO | 5 Nw Adrian, TX | |
| May 21, 8:50 PM CDT | HAIL 1.75 | Adrian, TX | |
| May 21, 8:51 PM CDT | HAIL 1.75 | 1 S Adrian, TX | ALONG I40 |
| May 21, 9:06 PM CDT | HAIL 1.75 | Adrian, TX | |
| May 21, 9:22 PM CDT | HAIL 0.88 | Adrian, TX | 2 TO 3 INCHES OF NICKEL SIZE HAIL COVERING THE GROUND. |
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 21, 3:24 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 1.7 hours before the alert went out and 74 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
- 118 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 2075 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
709 WFUS54 KAMA 220139 TORAMA TXC117-359-220230- /O.NEW.KAMA.TO.W.0003.120522T0139Z-120522T0230Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AMARILLO TX 839 PM CDT MON MAY 21 2012 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * TORNADO WARNING FOR... NORTH CENTRAL DEAF SMITH COUNTY IN THE PANHANDLE OF TEXAS. CENTRAL OLDHAM COUNTY IN THE PANHANDLE OF TEXAS. * UNTIL 930 PM CDT * AT 837 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO ABOUT 5 MILES NORTHWEST OF ADRIANMOVING SOUTHEAST AT 15 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE VEGA AND ADRIAN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO HAS BEEN CONFIRMED. TAKE COVER IN A STURDY BUILDING NOW. MOBILE HOMES AND VEHICLES ARE NOT SAFE. TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE AT 8 0 6 3 3 5 1 1 2 1. && LAT...LON 3548 10226 3506 10232 3526 10287 3553 10276 TIME...MOT...LOC 0139Z 320DEG 13KT 3530 10267 $$ JC
3 follow-up statements
807 WWUS54 KAMA 220201 SVSAMA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 901 PM CDT MON MAY 21 2012 TXC117-359-220230- /O.CON.KAMA.TO.W.0003.000000T0000Z-120522T0230Z/ DEAF SMITH TX-OLDHAM TX- 901 PM CDT MON MAY 21 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR CENTRAL OLDHAM AND NORTH CENTRAL DEAF SMITH COUNTIES... AT 858 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO DETECT A STORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED NEAR ADRIAN...OR 16 MILES WEST OF VEGA...MOVING SOUTHEAST AT 10 MPH. AT 851 PM...THIS STORM PRODUCED GOLFBALL SIZE HAIL 1 MILE SOUTH OF ADRIAN. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS OF CENTRAL OLDHAM AND NORTH CENTRAL DEAF SMITH COUNTIES. TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU SEE OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW. IN ADDITION TO THE THREAT OF A TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. GO TO A SAFE PLACE NOW. TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE AT 8 0 6 3 3 5 1 1 2 1. LAT...LON 3548 10226 3506 10232 3526 10287 3553 10276 TIME...MOT...LOC 0158Z 313DEG 9KT 3527 10270 $$ JC
076 WWUS54 KAMA 220222 SVSAMA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 922 PM CDT MON MAY 21 2012 TXC117-359-220230- /O.CON.KAMA.TO.W.0003.000000T0000Z-120522T0230Z/ DEAF SMITH TX-OLDHAM TX- 922 PM CDT MON MAY 21 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR CENTRAL OLDHAM AND NORTH CENTRAL DEAF SMITH COUNTIES... AT 919 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO DETECT A STORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS LOCATED NEAR ADRIAN...OR 13 MILES WEST OF VEGA...MOVING SOUTHEAST AT 10 MPH. TRAINED SPOTTERS REPORTED A ROTATING WALL CLOUD WITH THIS STORM. A TORNADO COULD REDEVELOP AT ANY TIME. TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU SEE OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW. IN ADDITION TO THE THREAT OF A TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. GO TO A SAFE PLACE NOW. TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE AT 8 0 6 3 3 5 1 1 2 1. LAT...LON 3522 10275 3553 10276 3548 10226 3506 10232 TIME...MOT...LOC 0219Z 313DEG 9KT 3523 10265 $$ JC
901 WWUS54 KAMA 220230 SVSAMA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 930 PM CDT MON MAY 21 2012 TXC117-359-220240- /O.EXP.KAMA.TO.W.0003.000000T0000Z-120522T0230Z/ DEAF SMITH TX-OLDHAM TX- 930 PM CDT MON MAY 21 2012 ...THE TORNADO WARNING FOR CENTRAL OLDHAM AND NORTH CENTRAL DEAF SMITH COUNTIES HAS EXPIRED... AT 930 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE STORM THAT PROMPTED THE TORNADO WARNING HAD WEAKENED. THEREFORE THE TORNADO WARNING WAS ALLOWED TO EXPIRE. LAT...LON 3522 10275 3553 10276 3548 10226 3506 10232 TIME...MOT...LOC 0222Z 313DEG 9KT 3522 10264 $$ JC
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:10 PM CDT | Areal Flood Advisory | AMA | Oldham | 3 hr |
| May 21, 8:15 PM CDT | Severe Thunderstorm Warning | AMA | Oldham | 60 min |
| May 21, 8:52 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Hartley, Oldham | 53 min |
| May 21, 9:45 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Oldham, Potter, Randall | 60 min |
| May 21, 10:00 PM CDT | Areal Flood Warning | AMA | Oldham | 8 hr |
Nearby
Tornado Warnings in Texas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.