Alert archive / Texas / Tornado Watches in 2002
Tornado Watch 97
The Storm Prediction Center issued this tornado watch at Apr 16, 2002, 4:45 PM CDT for 15 counties in Oklahoma; 42 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 16, 2002, 4:45 PM CDT (21:45 UTC)
- Expired
- Apr 16, 2002, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 57 counties
Atoka County, OK, Bryan County, OK, Carter County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Jefferson County, OK, Johnston County, OK, Love County, OK, Marshall County, OK, Murray County, OK, Pontotoc County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Bell County, TX, Bosque County, TX, Brown County, TX, Clay County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Fannin County, TX, Grayson County, TX, Hamilton County, TX, Hill County, TX, Hood County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Lampasas County, TX, Limestone County, TX, McCulloch County, TX, McLennan County, TX, Mills County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Robertson County, TX, Rockwall County, TX, San Saba County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Wichita County, TX, Wise County, TX, Young County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 62 km from the middle of the area, began a volume at 21:48 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.
Warnings issued inside it
46 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 4:45 PM CDT | Severe Thunderstorm Warning | FWD | Johnson | 60 min |
| Apr 16, 4:53 PM CDT | Severe Thunderstorm Warning | FWD | Johnson | 52 min |
| Apr 16, 4:58 PM CDT | Tornado Warning | FWD | Bosque | 47 min |
| Apr 16, 5:15 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor, Wichita, Wilbarger | 45 min |
| Apr 16, 5:25 PM CDT | Severe Thunderstorm Warning | FWD | Denton, Wise | 50 min |
| Apr 16, 5:30 PM CDT | Severe Thunderstorm Warning | FWD | Hill | 45 min |
| Apr 16, 5:31 PM CDT | Tornado Warning | FWD | Tarrant | 29 min |
| Apr 16, 5:47 PM CDT | Severe Thunderstorm Warning | FWD | Johnson | 58 min |
| Apr 16, 5:54 PM CDT | Tornado Warning | FWD | Hill, Johnson | 51 min |
| Apr 16, 5:56 PM CDT | Tornado Warning | FWD | Tarrant | 34 min |
| Apr 16, 6:00 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Wichita | 45 min |
| Apr 16, 6:03 PM CDT | Severe Thunderstorm Warning | FWD | Collin | 42 min |
| Apr 16, 6:13 PM CDT | Severe Thunderstorm Warning | OUN | Bryan | 32 min |
| Apr 16, 6:24 PM CDT | Tornado Warning | FWD | Dallas | 51 min |
| Apr 16, 6:30 PM CDT | Severe Thunderstorm Warning | OUN | Love | 30 min |
| Apr 16, 6:30 PM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 45 min |
| Apr 16, 6:37 PM CDT | Severe Thunderstorm Warning | OUN | Atoka | 38 min |
| Apr 16, 6:37 PM CDT | Severe Thunderstorm Warning | FWD | Ellis, Johnson | 53 min |
| Apr 16, 6:40 PM CDT | Severe Thunderstorm Warning | OUN | Clay, Wichita | 50 min |
| Apr 16, 6:50 PM CDT | Severe Thunderstorm Warning | OUN | Love, Marshall | 40 min |
| Apr 16, 6:59 PM CDT | Severe Thunderstorm Warning | OUN | Johnston, Murray | 46 min |
| Apr 16, 6:59 PM CDT | Tornado Warning | FWD | Johnson | 31 min |
| Apr 16, 7:04 PM CDT | Severe Thunderstorm Warning | FWD | Wise | 41 min |
| Apr 16, 7:08 PM CDT | Severe Thunderstorm Warning | FWD | Hunt | 52 min |
| Apr 16, 7:15 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 45 min |
| Apr 16, 7:16 PM CDT | Severe Thunderstorm Warning | OUN | Carter | 44 min |
| Apr 16, 7:17 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Coal | 43 min |
| Apr 16, 7:19 PM CDT | Tornado Warning | FWD | Ellis | 41 min |
| Apr 16, 7:22 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson | 38 min |
| Apr 16, 7:36 PM CDT | Tornado Warning | OUN | Atoka, Coal, Johnston | 24 min |
| Apr 16, 7:40 PM CDT | Tornado Warning | OUN | Atoka, Coal, Johnston | 20 min |
| Apr 16, 7:41 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Garvin, Murray | 49 min |
| Apr 16, 7:43 PM CDT | Severe Thunderstorm Warning | FWD | Cooke, Montague | 62 min |
| Apr 16, 8:01 PM CDT | Severe Thunderstorm Warning | FWD | Hunt | 44 min |
| Apr 16, 8:01 PM CDT | Tornado Warning | FWD | Ellis | 44 min |
| Apr 16, 8:06 PM CDT | Tornado Warning | OUN | Atoka | 24 min |
| Apr 16, 8:07 PM CDT | Severe Thunderstorm Warning | OUN | Coal | 38 min |
| Apr 16, 8:30 PM CDT | Tornado Warning | OUN | Atoka | 45 min |
| Apr 16, 8:34 PM CDT | Severe Thunderstorm Warning | FWD | Bosque | 56 min |
| Apr 16, 8:44 PM CDT | Severe Thunderstorm Warning | FWD | Ellis | 61 min |
| Apr 16, 8:46 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 59 min |
| Apr 16, 8:54 PM CDT | Flash Flood Warning | FWD | Ellis | 3 hr |
| Apr 16, 8:59 PM CDT | Severe Thunderstorm Warning | FWD | Kaufman | 46 min |
| Apr 16, 9:13 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 47 min |
| Apr 16, 9:16 PM CDT | Tornado Warning | OUN | Atoka | 29 min |
| Apr 16, 9:26 PM CDT | Severe Thunderstorm Warning | FWD | Grayson | 64 min |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 9.8 hours before the alert went out and 70 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
- 1027 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 707 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 58 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 162147 SEL7 SPC WW 162142 OKZ000-TXZ000-170400- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 97 STORM PREDICTION CENTER NORMAN OK 442 PM CDT TUE APR 16 2002 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHERN OKLAHOMA CENTRAL AND NORTH TEXAS EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 445 PM UNTIL 1100 PM CDT. TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES WEST SOUTHWEST OF TEMPLE TEXAS TO 45 MILES NORTH NORTHWEST OF ARDMORE OKLAHOMA. 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 96... DISCUSSION...WARM ADVECTION ON WRN EDGE OF SHALLOW COLD BUBBLE LEFT BEHIND BY RAINFALL ASSOCIATED WITH UPPER TROUGH NOW ENTERING AR EXPECTED TO SUPPORT THUNDERSTORM DEVELOPMENT THROUGH THE EVENING OVER PARTS OF TX/OK. ABSENCE OF STRONG LINEAR FORCING...MOIST BOUNDARY LAYER CONDITIONS AND MODERATE LOW LEVEL VEERING EXPECTED TO BE FAVORABLE FOR DISCRETE SUPERCELLS WITH LARGE HAIL AND POSSIBLE TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24035. ...CORFIDI 345,0954 305,0962 305,0992 345,0985 WWUS20 KWNS 162147 SEL7 SPC WW 162142 OKZ000-TXZ000-170400- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 97 STORM PREDICTION CENTER NORMAN OK 442 PM CDT TUE APR 16 2002 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHERN OKLAHOMA CENTRAL AND NORTH TEXAS EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 445 PM UNTIL 1100 PM CDT. TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES WEST SOUTHWEST OF TEMPLE TEXAS TO 45 MILES NORTH NORTHWEST OF ARDMORE OKLAHOMA. 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 96... DISCUSSION...WARM ADVECTION ON WRN EDGE OF SHALLOW COLD BUBBLE LEFT BEHIND BY RAINFALL ASSOCIATED WITH UPPER TROUGH NOW ENTERING AR EXPECTED TO SUPPORT THUNDERSTORM DEVELOPMENT THROUGH THE EVENING OVER PARTS OF TX/OK. ABSENCE OF STRONG LINEAR FORCING...MOIST BOUNDARY LAYER CONDITIONS AND MODERATE LOW LEVEL VEERING EXPECTED TO BE FAVORABLE FOR DISCRETE SUPERCELLS WITH LARGE HAIL AND POSSIBLE TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24035. ...CORFIDI 345,0954 305,0962 305,0992 345,0985
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 14 more | 6 hr |
Nearby
Tornado Watches in Texas, 2002Tornado Watches in Oklahoma, 2002Every tornado watch in 2002
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.