Alert archive / Texas / Tornado Warnings in 2003

Tornado Warning 28, NWS Norman, OK

April 19, 2003Hardeman County, Wilbarger County, Texas

NWS Norman, OK issued this tornado warning at Apr 19, 2003, 1:45 AM CDT for Hardeman County, Wilbarger County, Texas. It was in force for 45 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 19, 2003, 1:45 AM CDT (06:45 UTC)
Expired: Apr 19, 2003, 2:30 AM CDT
In force: 45 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

Counties Hardeman County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 58 km from the middle of the area, began a volume at 06:46 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 18, 9:50 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 19, 1:20 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 6.8 hours before the alert went out and 218 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: 3956 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 211 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.

000 
WFUS54 KOUN 190645
TOROKC
TXC197-487-190730-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
145 AM CDT SAT APR 19 2003

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  HARDEMAN COUNTY IN NORTHERN TEXAS
  NORTHERN WILBARGER COUNTY IN NORTHERN TEXAS

* UNTIL 230 AM CDT

* AT 145 AM CDT...DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTH OF QUANAH...MOVING
  EAST NORTHEAST AT 50 MPH.

* LOCATIONS IN THE WARNING INCLUDE CHILLICOTHE...MEDICINE MOUND...
  ODELL AND QUANAH

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD TO
SEE. TAKE COVER NOW. IF A BASEMENT IS NOT AVAILABLE...MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. LEAVE MOBILE HOMES AND
VEHICLES FOR REINFORCED SHELTER. STAY AWAY FROM WINDOWS.

LAT...LON 3436 9989 3408 9974 3418 9915 3443 9936

$$

24

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 18, 7:48 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Wichita	42 min
Apr 18, 8:13 PM CDT	Severe Thunderstorm Warning	OUN	Clay	32 min
Apr 19, 12:23 AM CDT	Severe Thunderstorm Warning	OUN	Hardeman	22 min
Apr 19, 1:19 AM CDT	Tornado Warning	OUN	Foard, Hardeman	26 min
Apr 19, 2:39 AM CDT	Severe Thunderstorm Warning	OUN	Foard, Hardeman	51 min
Apr 19, 3:01 AM CDT	Severe Thunderstorm Warning	OUN	Foard, Hardeman, Wilbarger	44 min
Apr 19, 3:56 AM CDT	Severe Thunderstorm Warning	OUN	Foard, Hardeman	49 min
Apr 19, 4:48 AM CDT	Severe Thunderstorm Warning	OUN	Knox	27 min
Apr 19, 5:14 AM CDT	Severe Thunderstorm Warning	OUN	Foard, Knox	46 min
Apr 19, 5:34 AM CDT	Severe Thunderstorm Warning	OUN	Baylor, Wilbarger	41 min
Apr 19, 6:13 AM CDT	Severe Thunderstorm Warning	OUN	Wichita	47 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.