Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 175, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Oct 31, 2000, 5:29 PM CST for Potter County, Texas. It was in force for 61 min. No storm report in the archive falls 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.
The facts
- Issued
- Oct 31, 2000, 5:29 PM CST (23:29 UTC)
- Expired
- Oct 31, 2000, 6:30 PM CST
- In force
- 61 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Potter County, TX
The radar
The Amarillo radar (KAMA), 33 km from the middle of the area, began a volume at 23:28 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 |
|---|---|---|---|
| Oct 31, 5:00 PM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 11.5 hours before the alert went out and 316 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
- 377 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 312329 SVRAMA TXC375-010030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 529 PM CST TUE OCT 31 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... POTTER COUNTY IN THE TEXAS PANHANDLE * UNTIL 630 PM CST * AT 529 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 11 MILES WEST OF AMARILLO...MOVING NORTHEAST AT 40 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... VALLEY DE ORO AMARILLO LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER. A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. LAT...LON 3561 10215 3519 10216 3522 10166 3562 10165
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 31, 2:10 PM CST, 3 hours 19 minutes earlier.
Area forecast discussion, Oct 31, 2:10 PM CST, 3 hours 19 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 210 PM CST TUE OCT 31 2000 THE STRONG CLOSED LOW CONTINUES TO MARCH EASTWARD OVER THE FOUR CORNERS REGION TODAY. DEEP MOISTURE CONTINUES TO STREAM INTO THE FA ESPECIALLY IN THE EAST. A SURFACE TROUGH IS DEEPENING IN EASTERN CO AND A STRONG JET OVER THE REGION WITH DEEP LAYER SHEAR IS INCREASING OVER THE PANHANDLES. MODERATE INSTABILITY WILL BE IN PLACE ESPECIALLY OVER EASTERN ZONES. THE FRONT WILL ALSO MOVE ACROSS THE CWA THIS AFTERNOON/EVENING AND WILL ALSO SUBSTANTIALLY AID IN THE LIFT FOR STORMS. ALSO A SHORTWAVE TROUGH APPEARS TO BE OVER WRN NM. AS THIS SHORTWAVE TROUGH WILL SWINGS NEWD IT WILL ADD SUFFICIENT DYNAMICS TO HELP TRIGGERED THUNDERSTORMS LATER THIS AFTERNOON/EVENING. EVEN THE SURFACE HEATING IS ADDING TO THE INSTABILITY...EVERYTHING LOOKS GOOD FOR STRONG TO SEVERE WEATHER. NO BIG CHANGES PLANED FOR LATER PERIODS. WILL ADJUST TEMPS SLIGHTLY...OTHERWISE DRIER CONDITIONS WILL MOVE INTO THE PANHANDLES WEDNESDAY. THE NEXT COLD FRONT MOVES IN TO THE FA THURSDAY MORNING. THE NEXT STORM SYSTEM WILL BRING MORE SHOWERS AND THUNDERSTORMS STARTING LATER FRIDAY THROUGH SUNDAY. SOME PRELIMINARY NUMBERS... AMA BU 039/063 035/058 035 500 DHT BU 037/061 031/056 031 400 .AMA... TX...NONE. OK...NONE. DIPASQUALE
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 31, 4:20 PM CST | Severe Thunderstorm Warning | AMA | Moore, Potter | 55 min |
| Oct 31, 4:45 PM CST | Severe Thunderstorm Warning | AMA | Hansford | 60 min |
| Oct 31, 5:11 PM CST | Severe Thunderstorm Warning | AMA | Hutchinson | 64 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.