Alert archive / Texas / Tornado Watches in 2002
Tornado Watch 418
The Storm Prediction Center issued this tornado watch at Jun 12, 2002, 3:30 PM CDT for 31 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2002, 3:30 PM CDT (20:30 UTC)
- Expired
- Jun 12, 2002, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 31 counties
Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Collingsworth County, TX, Deaf Smith County, TX, Donley County, TX, Floyd County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hemphill County, TX, Hockley County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb County, TX, Lubbock County, TX, Moore County, TX, Motley County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Swisher County, TX, Wheeler County, TX, Yoakum County, TX
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 4:12 PM CDT | Severe Thunderstorm Warning | LUB | Parmer | 63 min |
| Jun 12, 4:46 PM CDT | Severe Thunderstorm Warning | LUB | Cochran | 44 min |
| Jun 12, 4:58 PM CDT | Severe Thunderstorm Warning | LUB | Castro | 62 min |
| Jun 12, 5:03 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong | 57 min |
| Jun 12, 5:28 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Gray | 62 min |
| Jun 12, 5:35 PM CDT | Severe Thunderstorm Warning | LUB | Swisher | 40 min |
| Jun 12, 6:10 PM CDT | Severe Thunderstorm Warning | AMA | Wheeler | 35 min |
| Jun 12, 6:16 PM CDT | Severe Thunderstorm Warning | AMA | Wheeler | 59 min |
| Jun 12, 6:49 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe | 56 min |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 8.5 hours before the alert went out and 37 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
- 1402 J/kg
- Mixed-layer CIN
- -265 J/kg
- Mixed-layer LCL
- 1784 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 122018 SEL8 SPC WW 122013 TXZ000-130200- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 418 STORM PREDICTION CENTER NORMAN OK 313 PM CDT WED JUN 12 2002 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF TEXAS PANHANDLE EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 330 PM UNTIL 900 PM CDT. TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 75 MILES WEST OF PLAINVIEW TEXAS TO 90 MILES EAST NORTHEAST OF AMARILLO TEXAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION... CONTINUE...WW 417... DISCUSSION...VERY UNSTABLE AIRMASS WITH CAPES TO 4000 J/KG ACROSS PANHANDLE ALONG AND S OF NE/SW BOUNDARY. BOUNDARY LOCATED JUST TO S OF AMA. CAP VERY WEAK AND RAPID SEVERE THUNDERSTORM DEVELOPMENT EXPECTED VICINITY BOUNDARY. SUPERCELLS WITH VEERING SHEAR PROFILE EXPECTED WITH PRIMARY THREAT LARGE HAIL AND DAMAGING WINDS. ISOLATED TORNADOES ARE LIKELY AS WELL. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. MEAN STORM MOTION VECTOR 26020. ...HALES 351,1030 365,1001 343,1001 330,1030
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.