Clustered thunderstorm cells passed across the northeastern forecast area and produced winds that downed numerous trees.
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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.
Clustered thunderstorm cells passed across the northeastern forecast area and produced winds that downed numerous trees.
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 8, 5:30 PM CST, 2 minutes earlier.
Area Forecast Discussion National Weather Service Houston/Galveston TX 630 PM CDT Sat Jul 8 2017 .AVIATION... Scattered, outflow dominated shra/tstms around the metro area should dissipate in the next couple hours with the loss of heating. Further n/ne toward the UTS/CXO terminals we're watching a slightly more organized cluster of storms sagging into the area. These too should diminish, but may persist and impact those terminals through 2-3Z or so. Localized heavy rain and wind gusts to 40kt possible in the strongest cells. After 3z or so, expect VFR conditions to persist areawide. As with previous days, iso/sct precip development offshore before sunrise, transitioning inland late morning & afternoon. Boundary that is presently generating the east Tx storms moves a bit closer on Sunday, so would anticipate generally more coverage than we saw today - especially east of a CLL-GLS line. 47 && .PRELIMINARY POINT TEMPS/POPS... College Station (CLL) 75 97 76 97 76 / 20 40 20 30 10 Houston (IAH) 76 96 77 95 78 / 30 40 20 40 10 Galveston (GLS) 81 90 82 90 82 / 20 30 20 30 10 && .HGX WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. &&
Hazardous Weather Outlook National Weather Service Houston/Galveston TX 332 AM CDT Sat Jul 8 2017 TXZ163-164-176>179-195>200-210>214-226-227-235>238-090845- 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- 332 AM CDT Sat Jul 8 2017 This hazardous weather outlook is for portions of Southeast Texas.. .DAY ONE...Today and Tonight Scattered showers and thunderstorms will again be possible today. The storms could be slow moving and locally heavy rain will be possible in the stronger storms. In addition, some of the stronger storms could produce brief gusty winds late this afternoon, mainly northeast of a College Station to Houston to Liberty line. Heat index values will range between 100 and 105 degrees this afternoon. .DAYS TWO THROUGH SEVEN...Sunday through Friday Scattered showers and thunderstorms will persist on Sunday and Monday. Storm motion will again be slow so a few of the stronger storms could produce locally heavy rain. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. GMZ330-335-350-355-370-375-090845- 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- 332 AM CDT Sat Jul 8 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...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
Special Weather Statement
National Weather Service Houston/Galveston TX
417 PM CDT SAT JUL 8 2017
TXZ164-082200-
Trinity TX-
417 PM CDT SAT JUL 8 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN TRINITY COUNTY UNTIL
500 PM CDT...
At 416 PM CDT, Doppler radar was tracking a strong thunderstorm near
Groveton, or 20 miles southwest of Apple Springs. Little movement
was noted and this storm is nearly stationary at this time.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Trinity, Groveton and Sebastopol.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3097 9510 3090 9519 3092 9536 3098 9539
3109 9537 3117 9522 3116 9512
TIME...MOT...LOC 2116Z 179DEG 1KT 3103 9524Special Weather Statement National Weather Service Houston/Galveston TX 522 PM CDT SAT JUL 8 2017 TXZ163-164-177-082245- Walker TX-Houston TX-Trinity TX- 522 PM CDT SAT JUL 8 2017 ...SPECIAL WEATHER STATEMENT... At 522 PM CDT, Doppler radar was tracking a strong thunderstorm 7 miles northeast of Lovelady, or 12 miles southeast of Crockett. This storm was nearly stationary. Winds in excess of 30 mph will be possible with this storm. Locations impacted include... Lovelady and Pennington. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3105 9545 3123 9550 3130 9521 3113 9518 TIME...MOT...LOC 2222Z 318DEG 2KT 3117 9533
Special Weather Statement National Weather Service Houston/Galveston TX 545 PM CDT SAT JUL 8 2017 TXZ163-082300- Houston TX- 545 PM CDT SAT JUL 8 2017 ...SPECIAL WEATHER STATEMENT... At 544 PM CDT, Doppler radar was tracking a strong thunderstorm near Lovelady, or 7 miles south of Crockett, moving southeast at 5 mph. Winds in excess of 30 mph will be possible with this storm. Locations impacted include... locations south of Crockett. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 3127 9556 3131 9541 3119 9535 3115 9554 TIME...MOT...LOC 2244Z 326DEG 6KT 3121 9548
Special Weather Statement
National Weather Service Houston/Galveston TX
548 PM CDT SAT JUL 8 2017
TXZ163-082330-
Houston TX-
548 PM CDT SAT JUL 8 2017
...SPECIAL WEATHER STATEMENT...
At 547 PM CDT, Doppler radar was tracking strong thunderstorms near
Kennard, or 17 miles east of Crockett, moving southeast at 5 mph.
Winds in excess of 30 mph will be possible with these storms.
Locations impacted include...
Kennard and surrounding communities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3152 9510 3150 9509 3149 9511 3147 9510
3146 9507 3147 9506 3144 9504 3144 9501
3142 9500 3141 9498 3140 9498 3140 9497
3121 9523 3138 9537 3154 9513
TIME...MOT...LOC 2247Z 326DEG 6KT 3141 9519Special Weather Statement National Weather Service Houston/Galveston TX 557 PM CDT SAT JUL 8 2017 TXZ213-082330- Harris TX- 557 PM CDT SAT JUL 8 2017 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL HARRIS COUNTY UNTIL 630 PM CDT... At 556 PM CDT, Doppler radar was tracking a strong thunderstorm in Houston centered over the northeast Loop 610, moving northwest at 10 mph. Winds in excess of 40 mph will be possible with this storm. Locations impacted include... Galena Park, Jacinto City, Near Northside Houston, Greater Fifth Ward, Aldine, Downtown Houston, Memorial Park, Northside / Northline, Second Ward, Greater Greenspoint, Greater Heights, Spring Valley, Fourth Ward, Spring Branch North, Spring Branch West, Cloverleaf, Neartown / Montrose, Hilshire Village, Bush Intercontinental Airport and Spring Branch East. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 2976 9517 2972 9523 2980 9555 3001 9535 TIME...MOT...LOC 2256Z 130DEG 10KT 2979 9529
Special Weather Statement National Weather Service Houston/Galveston TX 600 PM CDT SAT JUL 8 2017 TXZ177-082330- Walker TX- 600 PM CDT SAT JUL 8 2017 ...SPECIAL WEATHER STATEMENT... At 559 PM CDT, Doppler radar was tracking a strong thunderstorm 11 miles northwest of Huntsville, moving southeast at 5 mph. Winds in excess of 30 mph will be possible with this storm. Locations impacted include... Huntsville and Crabbs Prairie. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3079 9583 3088 9566 3076 9545 3060 9570 TIME...MOT...LOC 2259Z 318DEG 6KT 3079 9572
The Shreveport radar (KSHV), 169 km away, was scanning. The volume nearest the first event began at 23:32 UTC.
2 thunderstorm wind. Local standard time, as filed.
Trees were downed within the Davy Crockett National Forest along FM 227 between Highway 21 and Highway 7.
Trees were blown down along FM 146 near the town of Rye.
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: 714366, 714367.