Alert archive / Texas / Tornado Warnings in 2003

Tornado Warning 2, NWS Amarillo, TX

April 15, 2003Hemphill County, Texas

NWS Amarillo, TX issued this tornado warning at Apr 15, 2003, 5:44 PM CDT for Hemphill County, Texas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 15, 2003, 5:44 PM CDT (22:44 UTC)
Expired: Apr 15, 2003, 6:15 PM CDT
In force: 31 min
Issued by: NWS Amarillo, TX
Area: Counties, with a storm outline in the text

County Hemphill County, TX

The radar

The Amarillo radar (KAMA), 149 km from the middle of the area, began a volume at 22:45 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
Apr 15, 2:10 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.7 hours before the alert went out and 148 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2381 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

905 
WFUS54 KAMA 152244
TORAMA
TXC211-152315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
543 PM CDT TUE APR 15 2003

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN HEMPHILL COUNTY IN THE PANHANDLE OF TEXAS

* UNTIL 615 PM CDT

* AT 543 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS    
  PORTION OF THE STORM WAS LOCATED 21 MILES SOUTHEAST OF             
  CANADIAN...MOVING NORTHEAST AT 50 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  LAKE MARVIN

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

LAT...LON 3587 10043 3561 10019 3566 10002 3597 10003

$$

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 15, 4:22 PM CDT	Severe Thunderstorm Warning	AMA	Carson	38 min
Apr 15, 4:30 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Randall	60 min
Apr 15, 4:53 PM CDT	Severe Thunderstorm Warning	AMA	Donley, Gray	52 min
Apr 15, 5:09 PM CDT	Severe Thunderstorm Warning	AMA	Wheeler	51 min
Apr 15, 5:23 PM CDT	Tornado Warning	AMA	Wheeler	37 min
Apr 15, 6:53 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth	37 min

Nearby

Tornado Warnings in Texas, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.