Alert archive / Texas / Tornado Watches in 2023
Tornado Watch 177
The Storm Prediction Center issued this tornado watch at Apr 28, 2023, 1:17 PM CDT for 17 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 28, 2023, 1:17 PM CDT (18:17 UTC)
- Expired
- Apr 28, 2023, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 65 kt
Counties Bell County, TX, Bosque County, TX, Comanche County, TX, Coryell County, TX, Falls County, TX, Freestone County, TX, Hamilton County, TX, Hill County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, Mason County, TX, McLennan County, TX, Milam County, TX, Mills County, TX, Robertson County, TX, San Saba County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 99 km from the middle of the area, began a volume at 18:20 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
- 50%
- 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
- 80%
- One or more hailstones of 2 inches or more
- 80%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 1:26 PM CDT | Severe Thunderstorm Warning | FWD | Comanche, Hamilton, Mills | 64 min |
| Apr 28, 1:35 PM CDT | Tornado Warning | FWD | Comanche, Hamilton, Mills | 40 min |
| Apr 28, 1:52 PM CDT | Severe Thunderstorm Warning | FWD | Coryell, Hamilton, Lampasas, Mills | 53 min |
| Apr 28, 1:59 PM CDT | Tornado Warning | FWD | Coryell, Hamilton | 46 min |
| Apr 28, 2:27 PM CDT | Severe Thunderstorm Warning | FWD | Bosque, Coryell, Hamilton, McLennan | 63 min |
| Apr 28, 2:40 PM CDT | Tornado Warning | FWD | Coryell | 35 min |
| Apr 28, 3:12 PM CDT | Severe Thunderstorm Warning | FWD | Bosque, Hill, Johnson, Somervell | 48 min |
| Apr 28, 3:13 PM CDT | Tornado Warning | FWD | Bell, Coryell | 47 min |
| Apr 28, 3:15 PM CDT | Severe Thunderstorm Warning | FWD | Bell, Coryell, Lampasas | 60 min |
| Apr 28, 3:29 PM CDT | Severe Thunderstorm Warning | FWD | Bell, Coryell, McLennan | 44 min |
| Apr 28, 3:58 PM CDT | Flash Flood Warning | FWD | Bell, Coryell | 3 hr |
| Apr 28, 4:12 PM CDT | Severe Thunderstorm Warning | FWD | Bell, Falls, Milam | 63 min |
| Apr 28, 4:52 PM CDT | Severe Thunderstorm Warning | FWD | Hill, McLennan | 68 min |
| Apr 28, 5:09 PM CDT | Severe Thunderstorm Warning | FWD | Milam | 50 min |
| Apr 28, 5:20 PM CDT | Severe Thunderstorm Warning | FWD | Robertson | 40 min |
| Apr 28, 5:41 PM CDT | Severe Thunderstorm Warning | FWD | Hill, Limestone | 64 min |
| Apr 28, 6:30 PM CDT | Severe Thunderstorm Warning | FWD | Freestone, Leon, Limestone | 45 min |
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, 6.3 hours before the alert went out and 127 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1275 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 245 m²/s²
- 0-3 km storm-relative helicity
- 320 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 12:25 PM CDT | Mesoscale Discussion | SPC | Bell, Bosque, Collin, Comanche, Cooke, Coryell and 29 more | 3 hr |
| Apr 28, 1:29 PM CDT | Severe Thunderstorm Watch | SPC | Collin, Dallas, Denton, Ellis, Erath, Fannin and 12 more | 7 hr |
| Apr 28, 1:42 PM CDT | Mesoscale Discussion | SPC | Hamilton | 93 min |
| Apr 28, 1:52 PM CDT | Mesoscale Discussion | SPC | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 20 more | 83 min |
| Apr 28, 2:19 PM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 25 more | 7 hr |
| Apr 28, 3:23 PM CDT | Mesoscale Discussion | SPC | Bell, Coryell | 67 min |
| Apr 28, 3:43 PM CDT | Severe Thunderstorm Watch | SPC | Austin, Brazos, Burleson, Colorado, Grimes, Madison and 2 more | 6 hr |
| Apr 28, 4:53 PM CDT | Mesoscale Discussion | SPC | Austin, Bastrop, Brazos, Burleson, Caldwell, Comal and 10 more | 2 hr |
| Apr 28, 5:34 PM CDT | Mesoscale Discussion | SPC | Duval, Jim Hogg, La Salle, McMullen, Starr, Webb and 1 more | 116 min |
| Apr 28, 5:51 PM CDT | Severe Thunderstorm Watch | SPC | Bee, Brooks, Duval, Goliad, Jim Hogg, Jim Wells and 7 more | 7 hr |
| Apr 28, 6:15 PM CDT | Mesoscale Discussion | SPC | Atascosa, Austin, Bee, Brazoria, Colorado, DeWitt and 16 more | 2 hr |
| Apr 28, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Aransas, Brazoria, Calhoun, Fort Bend, Galveston, Harris and 12 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.