Alert archive / Texas / Tornado Watches in 2002
Tornado Watch 31
The Storm Prediction Center issued this tornado watch at Mar 19, 2002, 3:30 PM CST for 45 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 19, 2002, 3:30 PM CST (21:30 UTC)
- Expired
- Mar 19, 2002, 9:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 45 counties
Atascosa County, TX, Bandera County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Callahan County, TX, Coleman County, TX, Comal County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Eastland County, TX, Edwards County, TX, Ellis County, TX, Erath County, TX, Frio County, TX, Gillespie County, TX, Hamilton County, TX, Hays County, TX, Hill County, TX, Hood County, TX, Johnson County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, Maverick County, TX, McCulloch County, TX, McLennan County, TX, Medina County, TX, Menard County, TX, Mills County, TX, Real County, TX, San Saba County, TX, Somervell County, TX, Sutton County, TX, Uvalde County, TX, Williamson County, TX, Zavala County, TX
Warnings issued inside it
31 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 3:42 PM CST | Tornado Warning | EWX | Edwards, Kinney | 33 min |
| Mar 19, 4:07 PM CST | Tornado Warning | EWX | Kinney, Val Verde | 53 min |
| Mar 19, 4:18 PM CST | Tornado Warning | EWX | Edwards | 27 min |
| Mar 19, 4:18 PM CST | Severe Thunderstorm Warning | SJT | McCulloch, Menard | 57 min |
| Mar 19, 4:37 PM CST | Tornado Warning | SJT | McCulloch | 53 min |
| Mar 19, 4:42 PM CST | Severe Thunderstorm Warning | EWX | Real | 63 min |
| Mar 19, 5:00 PM CST | Flash Flood Warning | SJT | McCulloch | 3 hr |
| Mar 19, 5:15 PM CST | Severe Thunderstorm Warning | SJT | San Saba | 60 min |
| Mar 19, 5:29 PM CST | Tornado Warning | EWX | Maverick | 61 min |
| Mar 19, 5:29 PM CST | Flash Flood Warning | SJT | Brown, San Saba | 3 hr |
| Mar 19, 5:34 PM CST | Tornado Warning | SJT | San Saba | 41 min |
| Mar 19, 5:44 PM CST | Severe Thunderstorm Warning | FWD | Mills | 46 min |
| Mar 19, 6:08 PM CST | Severe Thunderstorm Warning | EWX | Uvalde | 52 min |
| Mar 19, 6:14 PM CST | Severe Thunderstorm Warning | FWD | Lampasas | 46 min |
| Mar 19, 6:18 PM CST | Severe Thunderstorm Warning | EWX | Zavala | 42 min |
| Mar 19, 6:23 PM CST | Severe Thunderstorm Warning | EWX | Burnet | 52 min |
| Mar 19, 6:23 PM CST | Severe Thunderstorm Warning | FWD | Hamilton | 37 min |
| Mar 19, 6:25 PM CST | Tornado Warning | EWX | Frio, Zavala | 35 min |
| Mar 19, 6:25 PM CST | Severe Thunderstorm Warning | FWD | Comanche | 35 min |
| Mar 19, 6:39 PM CST | Tornado Warning | EWX | Medina, Uvalde | 51 min |
| Mar 19, 6:44 PM CST | Severe Thunderstorm Warning | FWD | Coryell | 61 min |
| Mar 19, 6:51 PM CST | Flash Flood Warning | FWD | Hood, Johnson, Parker, Somervell | 4 hr |
| Mar 19, 6:55 PM CST | Severe Thunderstorm Warning | FWD | Bell | 50 min |
| Mar 19, 7:03 PM CST | Tornado Warning | EWX | Bexar | 57 min |
| Mar 19, 7:29 PM CST | Severe Thunderstorm Warning | FWD | McLennan | 61 min |
| Mar 19, 7:30 PM CST | Severe Thunderstorm Warning | EWX | Atascosa, Frio | 60 min |
| Mar 19, 7:34 PM CST | Severe Thunderstorm Warning | FWD | Hill | 41 min |
| Mar 19, 7:51 PM CST | Tornado Warning | EWX | Bexar, Guadalupe, Wilson | 54 min |
| Mar 19, 7:58 PM CST | Tornado Warning | EWX | Dimmit, Maverick | 62 min |
| Mar 19, 8:05 PM CST | Severe Thunderstorm Warning | EWX | Comal | 25 min |
| Mar 19, 8:14 PM CST | Severe Thunderstorm Warning | EWX | Hays | 61 min |
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 9.5 hours before the alert went out and 156 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
- 1251 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 734 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 192125 SEL1 SPC WW 192122 TXZ000-200300- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 31 STORM PREDICTION CENTER NORMAN OK 322 PM CST TUE MAR 19 2002 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR LARGE PART OF CENTRAL TEXAS EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 330 PM UNTIL 900 PM CST. 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 75 MILES SOUTHWEST OF HONDO TEXAS TO 30 MILES NORTH NORTHEAST OF STEPHENVILLE 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...THIS TORNADO WATCH REPLACES SEVERE THUNDERSTORM WATCH NUMBER 30. WATCH NUMBER 30 WILL NOT BE IN EFFECT AFTER 330 PM CST. DISCUSSION...TORNADO THREAT SHOULD INCREASE INTO CENTRAL TX THROUGH THE EVENING AS AIR MASS DESTABILIZES WITHIN STRONGLY SHEARED WIND FIELD. 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 23035. ...EVANS 283,1013 323,0993 323,0962 283,0983
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 1:30 PM CST | Severe Thunderstorm Watch | SPC | Bandera, Brown, Coke, Coleman, Concho, Crockett and 22 more | 5 hr |
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.