Alert archive / Texas / Tornado Watches in 2003
Tornado Watch 144
The Storm Prediction Center issued this tornado watch at Apr 22, 2003, 4:55 PM CDT for 38 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 22, 2003, 4:55 PM CDT (21:55 UTC)
- Expired
- Apr 22, 2003, 10:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 38 counties
Borden County, TX, Cochran County, TX, Coke County, TX, Concho County, TX, Crockett County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Fisher County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Hockley County, TX, Howard County, TX, Irion County, TX, Kent County, TX, Kimble County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Taylor County, TX, Terry County, TX, Tom Green County, TX, Upton County, TX, Yoakum County, TX
The radar
The Midland/Odessa radar (KMAF), 127 km from the middle of the area, began a volume at 21:58 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.
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 9.9 hours before the alert went out and 128 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
- 190 J/kg
- Mixed-layer CIN
- -176 J/kg
- Mixed-layer LCL
- 781 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 274 m²/s²
- 0-3 km storm-relative helicity
- 333 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 230200
SEL4
SPC WW 222155
NMZ000-TXZ000-230300-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH CANCELLATION - NUMBER 144
NWS STORM PREDICTION CENTER NORMAN OK
455 PM CDT TUE APR 22 2003
THE NWS STORM PREDICTION CENTER HAS CANCELLED
TORNADO WATCH NUMBER 144 AT 0859 PM CDT
FOR PORTIONS OF
EXTREME EASTERN NEW MEXICO
WEST TEXAS
...HARTSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 9:18 AM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Comanche, Coryell, Eastland, Erath and 13 more | 117 min |
| Apr 22, 11:29 AM CDT | Mesoscale Discussion | SPC | Austin, Brazoria, Chambers, Fort Bend, Grimes, Harris and 3 more | 61 min |
| Apr 22, 3:41 PM CDT | Mesoscale Discussion | SPC | Andrews, Cochran, Crane, Crockett, Dawson, Ector and 16 more | 94 min |
Nearby
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.