Alert archive / Texas / Tornado Warnings in 2001
Tornado Warning 17, NWS Amarillo, TX
NWS Amarillo, TX issued this tornado warning at Sep 19, 2001, 6:47 PM CDT for Carson County, Potter County, Texas. It was in force for 43 min. 6 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Sep 19, 2001, 6:47 PM CDT (23:47 UTC)
- Expired
- Sep 19, 2001, 7:30 PM CDT
- In force
- 43 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Carson County, TX, Potter County, TX
The radar
The Amarillo radar (KAMA), 29 km from the middle of the area, began a volume at 23:48 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 |
|---|---|---|---|
| Sep 19, 6:50 PM CDT | Hail 1.75 | Pantex, TX | |
| Sep 19, 6:55 PM CDT | Tornado F0 | Amarillo, TX | The tornado path length and width were estimated. The tornado remained over open country. |
| Sep 19, 6:56 PM CDT | Tornado F0 | Panhandle, TX | The tornado path length and width were estimated. The tornado remained over open country. This tornado orginally touched down just inside the Potter county line and then moved into Carson county. |
| Sep 19, 7:03 PM CDT | Hail 1 | Pantex, TX | |
| Sep 19, 7:06 PM CDT | Hail 2.5 | Pantex, TX | |
| Sep 19, 7:15 PM CDT | Hail 0.88 | Pantex, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 11.8 hours before the alert went out and 29 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
- 471 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.7
The text
As transmitted, in the capitals the NWS used until 2016.
685 WFUS54 KAMA 192347 TORAMA TXC065-375-200030- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AMARILLO TX 647 PM CDT WED SEP 19 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN POTTER COUNTY IN TEXAS WESTERN CARSON COUNTY IN TEXAS * UNTIL 730 PM CDT * AT 647 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PORTION OF THE STORM WAS LOCATED 10 MILES WEST OF PANHANDLE... MOVING SOUTHEAST AT 10 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... PANHANDLE A TORNADO MAY FORM AT ANY TIME-TAKE COVER NOW ABANDON MOBILE HOMES AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS. LAT...LON 3562 10160 3519 10174 3520 10133 3562 10135
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 6:34 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 56 min |
Nearby
Tornado Warnings in Texas, 2001Every tornado warning in 2001Tornadoes in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.