A thunderstorm passing across the northern forecast area produced downburst wind damage.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS HGX wrote it up.
A thunderstorm passing across the northern forecast area produced downburst wind damage.
The local office's own words before the first event, 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 the first event at Jul 6, 2:46 PM CST, 2 hours 29 minutes earlier.
Area Forecast Discussion National Weather Service Houston/Galveston TX 346 PM CDT Thu Jul 6 2017 .DISCUSSION... Continuing to monitor the activity mainly south of the Jackson to Harris to Liberty county line. Short term guidance shows much of the precip dissipating slightly after sunset, once cut off from daytime heating. Should see a similar pattern to today as we move into the weekend. Forecast soundings show precipitable water values between 1.8 to 2.10 inches Friday and Saturday, reaching the higher end of this spectrum specifically during the afternoon hours. Fairly confident in these moisture values as the GOES-R derived PW product does show a pocket of higher precipitable water values moving closer towards SE TX, currently located over the NW Gulf of Mexico. Expecting to see similar conditions Friday and Saturday comparable to what we saw today, only with more coverage. The seabreeze should push inland as daytime heating helps to provide lift for shower and thunderstorm development. Forecast soundings also indicated slower moving storms with shear values between the surface and 6 km ranging between 5 to 10 knots. Therefore, slower moving storms could produce heavier rainfall rates resulting in isolated 1-2 inch totals. Again we should see most of the activity weaken and diminish with the loss of day time heating. Cloud cover and the precipitation on Friday and Saturday will keep the temperatures a tad cooler, though we still will see our heat indices rise up between 100-103 degrees across SE TX. Expecting to see a similar pattern for Sunday, although there should be less moisture available. Again most of the precip should be sea breeze driven, but models are indicating less coverage in the afternoon hours. Monday will start the drying trend as an area of upper level high pressure slides into the region from the west. This area of high pressure will hold tight through the end of next week and will result in a rise in heat indices for the late afternoons to early evening hours starting Monday. High temperatures are forecasted to be above normal for most of next week. Dewpoints will also be on the drier side by mid week. Hathaway && .MARINE... High pressure over the eastern Gulf and lower pressure over West TX will help maintain generally light to occasionally moderate onshore winds through the rest of this week on into early next week. Slight- ly deeper moisture coming in from the Gulf will also help scattered showers in the forecast through this same time frame. 41 && .PRELIMINARY POINT TEMPS/POPS... College Station (CLL) 74 94 75 95 75 / 20 30 10 30 20 Houston (IAH) 76 92 77 94 77 / 10 50 10 40 20 Galveston (GLS) 80 89 81 89 81 / 20 50 20 30 10 && .HGX WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. && Discussion...08 Aviation/Marine...41
Hazardous Weather Outlook National Weather Service Houston/Galveston TX 345 AM CDT Thu Jul 6 2017 TXZ163-164-176>179-195>200-210>214-226-227-235>238-070845- Austin-Brazoria-Brazos-Burleson-Chambers-Colorado-Fort Bend- Galveston-Grimes-Harris-Houston-Jackson-Liberty-Madison-Matagorda- Montgomery-Polk-San Jacinto-Trinity-Walker-Waller-Washington- Wharton- 345 AM CDT Thu Jul 6 2017 This hazardous weather outlook is for portions of Southeast Texas.. .DAY ONE...Today and Tonight Heat index values are expected to climb into the 100-107 range late morning through this evening. Isolated to scattered showers and thunderstorms will be possible today. Some of these may be capable of brief heavy rainfall. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Heat index values may climb into the 100-106 range late morning through the evening hours each day. Isolated to scattered showers and thunderstorms will be possible each day. Some of these may be capable of brief heavy rainfall. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. GMZ330-335-350-355-370-375-070845- Coastal waters from Freeport to the Matagorda Ship Channel out 20 NM-Coastal waters from High Island to Freeport out 20 NM- Galveston Bay-Matagorda Bay- Waters from Freeport to the Matagorda Ship Channel from 20 to 60 NM-Waters from High Island to Freeport from 20 to 60 NM- 345 AM CDT Thu Jul 6 2017 This hazardous weather outlook is for portions of Southeast Texas.. .DAY ONE...Today and Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
The Shreveport radar (KSHV), 196 km away, was scanning. The volume nearest the first event began at 23:17 UTC.
1 thunderstorm wind. Local standard time, as filed.
Trees and power lines were downed around Crockett and the surrounding communities. There was a report of minor deck damage to a residence off of Highway 7.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2017Every state in 2017This day in weather historyWarnings in Texas, July 2017
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 714365.