Alert archive / Texas / Tornado Watches in 2024
Tornado Watch 221
The Storm Prediction Center issued this tornado watch at May 9, 2024, 1:37 PM CDT for 31 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 9, 2024, 1:37 PM CDT (18:37 UTC)
- Expired
- May 9, 2024, 9:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 4 in
- Strongest gust expected
- 75 kt
All 31 counties
Bosque County, TX, Brown County, TX, Callahan County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Dallas County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Hamilton County, TX, Hill County, TX, Hood County, TX, Johnson County, TX, Kimble County, TX, Lampasas County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Mills County, TX, Palo Pinto County, TX, Parker County, TX, Runnels County, TX, San Saba County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Taylor County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 107 km from the middle of the area, began a volume at 18:39 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 60%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 60%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
23 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 1:45 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford | 45 min |
| May 9, 2:01 PM CDT | Severe Thunderstorm Warning | FWD | Eastland, Stephens | 59 min |
| May 9, 2:07 PM CDT | Severe Thunderstorm Warning | FWD | Palo Pinto | 68 min |
| May 9, 2:48 PM CDT | Severe Thunderstorm Warning | SJT | Concho, Runnels, Tom Green | 42 min |
| May 9, 3:00 PM CDT | Severe Thunderstorm Warning | FWD | Eastland, Erath, Palo Pinto, Stephens | 60 min |
| May 9, 3:12 PM CDT | Severe Thunderstorm Warning | FWD | Palo Pinto, Parker | 47 min |
| May 9, 3:52 PM CDT | Severe Thunderstorm Warning | FWD | Erath, Hood, Palo Pinto | 68 min |
| May 9, 4:06 PM CDT | Severe Thunderstorm Warning | SJT | Concho, McCulloch | 39 min |
| May 9, 4:13 PM CDT | Severe Thunderstorm Warning | FWD | Comanche, Erath | 62 min |
| May 9, 4:34 PM CDT | Severe Thunderstorm Warning | FWD | Hill, Johnson, Somervell | 56 min |
| May 9, 4:43 PM CDT | Severe Thunderstorm Warning | SJT | Concho, McCulloch | 62 min |
| May 9, 4:55 PM CDT | Severe Thunderstorm Warning | FWD | Bosque, Erath, Hamilton | 65 min |
| May 9, 5:13 PM CDT | Severe Thunderstorm Warning | SJT | McCulloch, Mason, San Saba | 47 min |
| May 9, 5:19 PM CDT | Tornado Warning | SJT | McCulloch, Mason, San Saba | 26 min |
| May 9, 5:25 PM CDT | Severe Thunderstorm Warning | FWD | Hill | 65 min |
| May 9, 5:44 PM CDT | Severe Thunderstorm Warning | FWD | Bosque, Coryell, Hamilton, McLennan | 61 min |
| May 9, 5:44 PM CDT | Tornado Warning | SJT | McCulloch, Mason, San Saba | 31 min |
| May 9, 5:55 PM CDT | Severe Thunderstorm Warning | SJT | McCulloch, Mason, San Saba | 35 min |
| May 9, 6:03 PM CDT | Severe Thunderstorm Warning | FWD | Hill, Navarro | 57 min |
| May 9, 6:12 PM CDT | Severe Thunderstorm Warning | FWD | McLennan | 63 min |
| May 9, 6:21 PM CDT | Severe Thunderstorm Warning | FWD | Coryell, McLennan | 54 min |
| May 9, 6:54 PM CDT | Severe Thunderstorm Warning | FWD | Bell, Falls, McLennan | 45 min |
| May 9, 7:14 PM CDT | Flash Flood Warning | FWD | Falls, Limestone, McLennan | 2 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 6.6 hours before the alert went out and 131 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
- 3117 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 608 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:59 PM CDT | Mesoscale Discussion | SPC | Collin, Dallas, Delta, Fannin, Franklin, Hopkins and 7 more | 2 hr |
| May 8, 9:30 PM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Delta, Franklin, Gregg and 14 more | 2 hr |
| May 9, 11:57 AM CDT | Mesoscale Discussion | SPC | Archer, Bosque, Brown, Callahan, Clay, Coleman and 30 more | 3 hr |
| May 9, 12:25 PM CDT | Severe Thunderstorm Watch | SPC | Archer, Clay, Collin, Cooke, Denton, Fannin and 6 more | 7 hr |
| May 9, 3:26 PM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Delta, Franklin, Hopkins and 4 more | 3 hr |
| May 9, 3:49 PM CDT | Severe Thunderstorm Watch | SPC | Bowie, Camp, Cass, Delta, Franklin, Gregg and 15 more | 7 hr |
| May 9, 5:02 PM CDT | Mesoscale Discussion | SPC | Bosque, Brown, Comanche, Coryell, Ellis, Erath and 10 more | 88 min |
| May 9, 5:46 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Angelina, Austin, Bastrop, Bell, Blanco and 39 more | 6 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; radar from the NEXRAD Level II archive.