Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jan 6, 2021, 4:20 PM CST for Fort Bend County, Wharton County, Texas. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jan 6, 2021, 4:20 PM CST (22:20 UTC)
- Expired
- Jan 6, 2021, 5:00 PM CST
- In force
- 40 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Fort Bend County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 99 km from the middle of the area, began a volume at 22:21 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 6, 12:59 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 10.3 hours before the alert went out and 217 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
- 188 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 717 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
521 WUUS54 KHGX 062220 SVRHGX TXC157-481-062300- /O.NEW.KHGX.SV.W.0013.210106T2220Z-210106T2300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Houston/Galveston TX 420 PM CST Wed Jan 6 2021 The National Weather Service in League City has issued a * Severe Thunderstorm Warning for... Central Wharton County in southeastern Texas... Southwestern Fort Bend County in southeastern Texas... * Until 500 PM CST. * At 420 PM CST, a severe thunderstorm was located near Pierce, or near Wharton, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Rosenberg, El Campo, Wharton, Needville, Pleak, Fairchilds, Beasley, Kendleton, Pierce, Cumings, Boling-Iago and Hungerford. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 2920 9629 2934 9633 2964 9584 2935 9568 TIME...MOT...LOC 2220Z 252DEG 32KT 2930 9620 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 6, 10:46 AM CST | Small Craft Advisory | HGX | 28 hr | |
| Jan 6, 12:22 PM CST | Special Weather Statement | HGX | Brazos | 38 min |
| Jan 6, 12:48 PM CST | Severe Thunderstorm Warning | HGX | Brazos, Madison | 42 min |
| Jan 6, 1:14 PM CST | Severe Thunderstorm Warning | HGX | Houston, Madison | 46 min |
| Jan 6, 1:23 PM CST | Severe Thunderstorm Warning | HGX | Burleson | 37 min |
| Jan 6, 1:51 PM CST | Severe Thunderstorm Warning | HGX | Houston, Madison | 24 min |
| Jan 6, 1:57 PM CST | Severe Thunderstorm Warning | HGX | Brazos, Burleson | 33 min |
| Jan 6, 2:14 PM CST | Severe Thunderstorm Warning | HGX | Houston, Madison | 31 min |
| Jan 6, 2:23 PM CST | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Grimes | 37 min |
| Jan 6, 2:35 PM CST | Special Weather Statement | HGX | Colorado | 40 min |
| Jan 6, 2:45 PM CST | Severe Thunderstorm Warning | HGX | Houston, Trinity | 30 min |
| Jan 6, 2:55 PM CST | Severe Thunderstorm Warning | HGX | Grimes, Montgomery, Walker | 35 min |
| Jan 6, 2:56 PM CST | Special Weather Statement | HGX | Washington | 49 min |
| Jan 6, 3:09 PM CST | Severe Thunderstorm Warning | HGX | Houston, Trinity | 36 min |
| Jan 6, 3:18 PM CST | Severe Thunderstorm Warning | HGX | Austin, Grimes, Harris, Montgomery, Polk, San Jacinto and 3 more | 42 min |
| Jan 6, 3:44 PM CST | Special Weather Statement | HGX | Trinity | 16 min |
| Jan 6, 3:53 PM CST | Special Weather Statement | HGX | Wharton | 52 min |
| Jan 6, 3:58 PM CST | Severe Thunderstorm Warning | HGX | Liberty, Montgomery, Polk, San Jacinto, Walker | 47 min |
| Jan 6, 4:26 PM CST | Special Weather Statement | HGX | Fort Bend, Harris, Liberty | 64 min |
| Jan 6, 4:41 PM CST | Special Weather Statement | HGX | Polk | 49 min |
| Jan 6, 4:54 PM CST | Areal Flood Advisory | HGX | Harris | 51 min |
| Jan 6, 4:56 PM CST | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend | 34 min |
| Jan 6, 5:23 PM CST | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend, Harris | 22 min |
| Jan 6, 5:23 PM CST | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend, Harris | 37 min |
| Jan 6, 5:30 PM CST | Special Marine Warning | HGX | 2 hr | |
| Jan 6, 5:43 PM CST | Special Weather Statement | HGX | Brazoria, Chambers, Galveston | 47 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm warning in 2021
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.