Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 15, NWS Amarillo, TX

October 28, 2000Roberts County, Texas

NWS Amarillo, TX issued this tornado warning at Oct 28, 2000, 5:28 PM CDT for Roberts County, Texas. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 28, 2000, 5:28 PM CDT (22:28 UTC)
Expired: Oct 28, 2000, 6:00 PM CDT
In force: 32 min
Issued by: NWS Amarillo, TX
Area: Whole counties

County Roberts County, TX

The radar

The Amarillo radar (KAMA), 105 km from the middle of the area, began a volume at 22:29 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 28, 4:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.5 hours before the alert went out and 105 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KAMA 282228
TORAMA

TXC393-282300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
528 PM CDT SAT OCT 28 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  ROBERTS COUNTY IN THE TEXAS PANHANDLE

* UNTIL 600 PM CDT

* AT 528 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS
  PORTION OF THE STORM WAS LOCATED OVER SOUTH CENTRAL ROBERTS
  COUNTY...OR ABOUT 12 MILES WEST OF MIAMI...MOVING NORTH AT 55 MPH.

A TORNADO MAY FORM AT ANY TIME-TAKE COVER NOW! ABANDON MOBILE HOMES
AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

LAT...LON 3564 10098 3564 10071 3606 10066 3606 10099

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, 5:11 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	49 min
Oct 28, 5:50 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	40 min

Nearby

Tornado Warnings in Texas, 2000 Every tornado warning in 2000 Tornadoes 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.