Alert archive / Texas / Tornado Warnings in 2018
Tornado Warning 2, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Mar 29, 2018, 2:13 AM CDT for Brazoria County, Fort Bend County, Texas. It was in force for 17 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 29, 2018, 2:13 AM CDT (07:13 UTC)
- Expired
- Mar 29, 2018, 2:30 AM CDT
- In force
- 17 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Brazoria County, TX, Fort Bend County, TX
The radar
The Houston radar (KHGX), 27 km from the middle of the area, began a volume at 07:16 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 29, 2:14 AM CDT | TSTM WND DMG | 3 Ssw Iowa Colony, TX | POSSIBLE TORNADO DAMAGE |
| Mar 29, 2:16 AM CDT | TORNADO | 3 Ssw Iowa Colony, TX | BRIEF EF-0 TORNADO. VERY LOCALIZED FENCE DAMAGE WITH LOFTED DEBRIS TO NEAR 300 FEET. |
| Mar 29, 2:35 AM CDT | TSTM WND DMG | Alvin, TX | HUGE TREE LIMB BROKEN OFF OF AN OAK TREE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 7.2 hours before the alert went out and 222 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
- 1263 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 604 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 9.7
The text
As transmitted.
566
WFUS54 KHGX 290713
TORHGX
TXC039-157-290730-
/O.NEW.KHGX.TO.W.0002.180329T0713Z-180329T0730Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
213 AM CDT THU MAR 29 2018
The National Weather Service in League City has issued a
* Tornado Warning for...
East central Fort Bend County in southeastern Texas...
Northeastern Brazoria County in southeastern Texas...
* Until 230 AM CDT.
* At 213 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Iowa Colony, or 7 miles southwest of Manvel,
moving east at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Hillcrest and Liverpool around 230 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Chocolate Bayou, Juliff and Rosharon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2937 9552 2947 9550 2947 9523 2946 9523
2939 9519 2927 9521
TIME...MOT...LOC 0713Z 284DEG 24KT 2942 9547
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
11The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 7:29 PM CDT | River Flood Warning | HGX | Polk, San Jacinto | 35 hr |
| Mar 28, 7:58 PM CDT | Special Weather Statement | HGX | Brazos | 47 min |
| Mar 28, 8:30 PM CDT | Areal Flood Advisory | HGX | Brazos, Burleson, Grimes | 3 hr |
| Mar 28, 8:32 PM CDT | Special Weather Statement | HGX | Madison | 28 min |
| Mar 28, 8:35 PM CDT | River Flood Warning | HGX | Chambers, Liberty | 9 days |
| Mar 28, 8:35 PM CDT | River Flood Warning | HGX | Chambers, Liberty | 11 days |
| Mar 28, 8:35 PM CDT | River Flood Warning | HGX | Madison, Walker | 48 hr |
| Mar 28, 8:35 PM CDT | River Flood Warning | HGX | Hardin, Liberty, Polk | 3 days |
| Mar 28, 8:35 PM CDT | River Flood Warning | HGX | Burleson, Washington | 37 hr |
| Mar 28, 8:57 PM CDT | Special Weather Statement | HGX | Houston | 48 min |
| Mar 28, 9:18 PM CDT | Flash Flood Warning | HGX | Brazos, Burleson, Grimes, Washington | 3 hr |
| Mar 28, 9:49 PM CDT | Special Weather Statement | HGX | Grimes, Walker | 41 min |
| Mar 28, 10:02 PM CDT | Flash Flood Warning | HGX | Grimes, Houston, Madison, Montgomery, Trinity, Walker | 3 hr |
| Mar 28, 10:09 PM CDT | Areal Flood Advisory | HGX | Houston, Polk, San Jacinto, Trinity | 3 hr |
| Mar 28, 11:02 PM CDT | Special Weather Statement | HGX | Matagorda | 43 min |
| Mar 28, 11:17 PM CDT | Special Weather Statement | HGX | Brazos, Burleson | 43 min |
| Mar 28, 11:33 PM CDT | Flash Flood Warning | HGX | Houston, Polk, San Jacinto, Trinity | 3 hr |
| Mar 28, 11:46 PM CDT | Special Weather Statement | HGX | Brazoria | 44 min |
| Mar 29, 12:04 AM CDT | Flash Flood Warning | HGX | Austin, Brazos, Burleson, Grimes, Houston, Madison and 4 more | 3 hr |
| Mar 29, 12:49 AM CDT | Special Weather Statement | HGX | Jackson, Wharton | 41 min |
| Mar 29, 1:03 AM CDT | Areal Flood Advisory | HGX | Austin, Colorado, Fort Bend, Grimes, Harris, Liberty and 6 more | 3 hr |
| Mar 29, 1:06 AM CDT | Severe Thunderstorm Warning | HGX | Colorado, Fort Bend, Jackson, Wharton | 39 min |
| Mar 29, 1:16 AM CDT | River Flood Warning | HGX | Waller | 32 hr |
| Mar 29, 1:21 AM CDT | Areal Flood Advisory | HGX | Jackson, Wharton | 3 hr |
| Mar 29, 1:21 AM CDT | River Flood Warning | HGX | Harris, Waller | 24 hr |
| Mar 29, 1:27 AM CDT | Special Marine Warning | HGX | 93 min | |
| Mar 29, 1:40 AM CDT | Flash Flood Warning | HGX | Montgomery, Polk, San Jacinto, Trinity, Walker | 5 hr |
| Mar 29, 1:46 AM CDT | Special Weather Statement | HGX | Brazoria, Matagorda | 59 min |
| Mar 29, 1:52 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend, Jackson, Matagorda, Wharton | 38 min |
| Mar 29, 1:58 AM CDT | Special Marine Warning | HGX | 2 hr | |
| Mar 29, 2:04 AM CDT | Special Weather Statement | HGX | Chambers, Harris, Liberty | 56 min |
| Mar 29, 2:08 AM CDT | Areal Flood Advisory | HGX | Brazoria, Chambers, Fort Bend, Galveston, Harris, Liberty | 3 hr |
| Mar 29, 2:09 AM CDT | Areal Flood Advisory | HGX | Brazoria, Fort Bend, Jackson, Matagorda, Wharton | 3 hr |
| Mar 29, 2:28 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend, Galveston, Harris, Matagorda | 32 min |
| Mar 29, 2:39 AM CDT | River Flood Warning | HGX | Liberty, Polk, San Jacinto | 3 days |
| Mar 29, 2:51 AM CDT | Severe Thunderstorm Warning | HGX | Chambers, Galveston, Harris, Liberty | 39 min |
| Mar 29, 2:53 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Galveston, Harris, Matagorda | 39 min |
| Mar 29, 2:56 AM CDT | Tornado Warning | HGX | Galveston | 19 min |
| Mar 29, 3:01 AM CDT | Areal Flood Advisory | HGX | Brazoria, Galveston, Harris, Matagorda | 119 min |
| Mar 29, 3:12 AM CDT | Tornado Warning | HGX | Galveston | 18 min |
| Mar 29, 3:31 AM CDT | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 14 min |
| Mar 29, 3:32 AM CDT | Special Marine Warning | HGX | 58 min | |
| Mar 29, 3:49 AM CDT | Special Marine Warning | HGX | 56 min | |
| Mar 29, 3:57 AM CDT | Areal Flood Advisory | HGX | Austin, Colorado, Fort Bend, Grimes, Harris, Liberty and 6 more | 3 hr |
| Mar 29, 4:59 AM CDT | Special Marine Warning | HGX | 61 min | |
| Mar 29, 5:37 AM CDT | River Flood Warning | HGX | Montgomery | 51 hr |
| Mar 29, 5:37 AM CDT | River Flood Warning | HGX | Harris, Montgomery | 4 days |
| Mar 29, 6:53 AM CDT | River Flood Warning | HGX | Harris, Liberty, Montgomery | 5 days |
| Mar 29, 6:53 AM CDT | River Flood Warning | HGX | Montgomery | 41 hr |
| Mar 29, 7:24 AM CDT | River Flood Warning | HGX | Montgomery | 61 hr |
| Mar 29, 9:30 AM CDT | River Flood Warning | HGX | Harris | 24 hr |
| Mar 29, 9:34 AM CDT | River Flood Warning | HGX | Liberty, Polk, San Jacinto | 57 hr |
| Mar 29, 4:15 PM CDT | Small Craft Advisory | HGX | 6 hr |
Nearby
Tornado Warnings in Texas, 2018Every tornado warning in 2018Tornadoes in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.