Alert archive / Texas / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 17, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 6, 2019, 10:01 AM CDT for Montgomery County, Walker County, Texas. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 6, 2019, 10:01 AM CDT (15:01 UTC)
- Expired
- Apr 6, 2019, 10:30 AM CDT
- In force
- 29 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Montgomery County, TX, Walker County, TX
The radar
The Houston radar (KHGX), 125 km from the middle of the area, began a volume at 15:01 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 nearest sounding before it
Shreveport, LA (KBAD), launched 12:00Z, 3.0 hours before the alert went out and 276 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
- 242 J/kg
- Mixed-layer CIN
- -295 J/kg
- Mixed-layer LCL
- 570 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 179 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 6, 6:22 AM CDT, 3 hours 39 minutes earlier.
Area forecast discussion, Apr 6, 6:22 AM CDT, 3 hours 39 minutes before
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Hazardous Weather Outlook National Weather Service Houston/Galveston TX 527 AM CDT Sat Apr 6 2019 TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313- 335>338-436>438-071030- Austin-Brazoria Islands-Brazos-Burleson-Chambers-Coastal Brazoria- Coastal Galveston-Coastal Harris-Coastal Jackson- Coastal Matagorda-Colorado-Fort Bend- Galveston Island and Bolivar Peninsula-Grimes-Houston- Inland Brazoria-Inland Galveston-Inland Harris-Inland Jackson- Inland Matagorda-Madison-Matagorda Islands-Montgomery- Northern Liberty-Polk-San Jacinto-Southern Liberty-Trinity-Walker- Waller-Washington-Wharton- 527 AM CDT Sat Apr 6 2019 This hazardous weather outlook is for portions of Southeast Texas.. .DAY ONE...Today and Tonight There is a slight risk of severe weather along and north of a Columbus to Livingston line. There is an enhanced risk of severe weather along and north of a Bryan to Lufkin line. The main threats will damaging straight line winds and hail from a line of storms. A brief tornado cannot be ruled out. There is also a threat for heavy rainfall over the same area as the enhanced severe weather risk. .DAYS TWO THROUGH SEVEN...Sunday through Friday There is a slight risk of severe weather for all of the area on Sunday. Again the main threats will be damaging winds and hail but a brief tornado may still be possible. There is a higher risk for heavy rainfall and flooding over the area on Sunday. Most areas could get 2 inches of rainfall or more from storms moving across the area. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed today and Sunday. GMZ330-335-350-355-370-375-071030- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- Galveston Bay-Matagorda Bay- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 527 AM CDT Sat Apr 6 2019 This hazardous weather outlook is for portions of Southeast Texas.. .DAY ONE...Today and Tonight Dense sea fog will be possible this morning through tonight. .DAYS TWO THROUGH SEVEN...Sunday through Friday The threat for sea fog will continue into Sunday and Monday. Thunderstorm activity will be more numerous Sunday with the potential for severe weather along the coast and through the bays. Damaging winds will be the main threat along with heavy rainfall. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed today and Sunday.
In the hours before
Special weather statement, Apr 6, 8:43 AM CDT, 1 hour 18 minutes before
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</html>The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 7:36 PM CDT | Dense Fog Advisory | HGX | Brazoria, Galveston, Jackson, Matagorda | 17 hr |
| Apr 6, 8:43 AM CDT | Special Weather Statement | HGX | Polk | 47 min |
| Apr 6, 9:40 AM CDT | Special Weather Statement | HGX | Burleson, Washington | 50 min |
| Apr 6, 9:47 AM CDT | Special Weather Statement | HGX | Grimes, Walker | 43 min |
| Apr 6, 9:50 AM CDT | Special Weather Statement | HGX | Walker | 25 min |
| Apr 6, 9:56 AM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Grimes, Washington | 34 min |
| Apr 6, 9:59 AM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Grimes, Washington | 24 min |
| Apr 6, 10:27 AM CDT | Special Weather Statement | HGX | San Jacinto | 33 min |
| Apr 6, 10:34 AM CDT | Special Weather Statement | HGX | Brazos | 26 min |
| Apr 6, 10:36 AM CDT | Special Weather Statement | HGX | Polk | 24 min |
| Apr 6, 10:38 AM CDT | Special Weather Statement | HGX | Walker | 52 min |
| Apr 6, 10:41 AM CDT | Special Weather Statement | HGX | Polk | 49 min |
| Apr 6, 11:03 AM CDT | Special Weather Statement | HGX | San Jacinto | 27 min |
| Apr 6, 11:06 AM CDT | Severe Thunderstorm Warning | HGX | Houston, Madison, Trinity, Walker | 39 min |
| Apr 6, 11:10 AM CDT | Marine Dense Fog Advisory | HGX | 64 min | |
| Apr 6, 11:28 AM CDT | Special Weather Statement | HGX | Trinity | 47 min |
| Apr 6, 4:03 PM CDT | Special Weather Statement | HGX | Burleson | 27 min |
| Apr 6, 4:30 PM CDT | Severe Thunderstorm Warning | HGX | Burleson | 30 min |
| Apr 6, 5:01 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson | 14 min |
| Apr 6, 5:20 PM CDT | Special Weather Statement | HGX | Brazos | 55 min |
| Apr 6, 5:29 PM CDT | Severe Thunderstorm Warning | HGX | Brazos | 31 min |
| Apr 6, 5:34 PM CDT | Special Weather Statement | HGX | Burleson | 41 min |
| Apr 6, 5:39 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 36 min |
| Apr 6, 5:42 PM CDT | Tornado Warning | HGX | Brazos, Madison | 33 min |
| Apr 6, 5:47 PM CDT | Severe Thunderstorm Warning | HGX | Burleson | 28 min |
| Apr 6, 5:55 PM CDT | Tornado Warning | HGX | Houston | 20 min |
| Apr 6, 6:02 PM CDT | Tornado Warning | HGX | Madison | 28 min |
| Apr 6, 6:17 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 13 min |
| Apr 6, 6:28 PM CDT | Tornado Warning | HGX | Houston, Madison | 32 min |
| Apr 6, 6:32 PM CDT | Special Weather Statement | HGX | Madison | 28 min |
| Apr 6, 6:35 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Grimes, Madison | 25 min |
| Apr 6, 6:59 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Madison | 46 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2019Every severe thunderstorm warning in 2019
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.