Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 170, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Oct 28, 2000, 5:11 PM CDT for Hemphill County, Wheeler County, Texas. It was in force for 49 min. 3 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
- Oct 28, 2000, 5:11 PM CDT (22:11 UTC)
- Expired
- Oct 28, 2000, 6:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Hemphill County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 128 km from the middle of the area, began a volume at 22:14 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 |
|---|---|---|---|
| Oct 28, 5:11 PM CDT | Thunderstorm Wind 56 E | Kellerville, TX | A barn was reported damaged by the high winds. |
| Oct 28, 5:15 PM CDT | Thunderstorm Wind 56 E | Mc Lean, TX | |
| Oct 28, 5:30 PM CDT | Thunderstorm Wind 56 E | Shamrock, TX | Tractor-trailer trucks were reported blown over by the high winds. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 28, 4:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 10.2 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
- 1598 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 505 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 7.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 282214 SVRAMA TXC211-483-282300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 511 PM CDT SAT OCT 28 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WHEELER COUNTY IN THE TEXAS PANHANDLE SOUTHERN HEMPHILL COUNTY IN THE TEXAS PANHANDLE * UNTIL 600 PM CDT * AT 511 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES EAST OF KELLERVILLE...OR ABOUT 12 MILES SOUTHWEST OF WHEELER...MOVING NORTH AT 55 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... ALLISON...BRISCOE...KELLERVILLE...LELA...NEW MOBEETIE...TWITTY AND WHEELER. DESTRUCTIVE WINDS IN EXCESS OF 60 MPH AND HAIL UP TO ONE INCH CAN BE EXPECTED. GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS! A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. LAT...LON 3522 10054 3521 10001 3584 10000 3584 10054
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 28, 3:15 PM CDT, 1 hour 56 minutes earlier.
Area forecast discussion, Oct 28, 3:15 PM CDT, 1 hour 56 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 315 PM CDT SAT OCT 28 2000 NMRS TSTMS OCRG ALG CNTRL CORRIDOR OF PNHDLS ATTM...WHERE MSTR CNVGNC IS MAXIMIZED. RAIN AND RW OCRG W OF TSTMS. ERN HALF OF PNHDLS RMNS UNSTABLE WITH LAPS LI/S OF -4 TO -8 THIS AREA. THUS... ONGOING ACTIVITY IS EXPCD TO SWEEP ACRS AREA THIS EVE. MOST OF THIS CNVTN WL BE ENDING ARND 06Z AS MAIN SHTWV ROUNDS BASE OF MID-LVL TROF. WL MENTION SVR IN CNTRL AND ERN ZNS WHERE HIR INSTBY IN PLACE AHD OF CNVGNC LINE. BRIEF HVY RAINS LIKELY BUT WL NOT ISSUE FFA DUE TO RAPID MOVMT OF CELLS AND PROGRESSIVE NATURE OF SYSTEM. BREEZY TO WNDY CONDS EXPCD TNGT AND ERY SUN AS SFC LOW OVR SERN CO DEEPENS. WLY SFC WNDS ON SUN BHND PAC CDFNT WL BRING IN MUCH DRIER AIR AND NO SGFNT COOLING. EXPC DRY WX SUN NGT AND ERY MON. BY LATE MON...WL CONT WITH SLGT CHC POPS OVR WRN HALF...AS UPR FLOW BCMS SWLY AGAIN IN ADVANCE OF NEXT INCOMING LONGWV TROF. SLY LOW LVL WNDS WL HAVE BEGUN TO REPLINISH MSTR BY LATE MON AND MON NGT. UPR FLOW TO RMN FAVORABLE FOR CNVTN THRU EXTDD...WITH CDFNT PASSAGE PSBLY ON WED. 03 .AMA... TX...NONE. OK...NONE. COCKRELL
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 28, 1:55 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith | 35 min |
| Oct 28, 2:40 PM CDT | Severe Thunderstorm Warning | AMA | Potter, Randall | 35 min |
| Oct 28, 4:46 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Wheeler | 29 min |
| Oct 28, 5:02 PM CDT | Severe Thunderstorm Warning | AMA | Gray, Roberts | 28 min |
| Oct 28, 5:28 PM CDT | Tornado Warning | AMA | Roberts | 32 min |
| Oct 28, 5:50 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb | 40 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000
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.