There was a weak ridge over the region with good moisture across the area. Temperatures were above normal which allowed for more instability.
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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 MAF wrote it up.
There was a weak ridge over the region with good moisture across the area. Temperatures were above normal which allowed for more instability. These conditions allowed for storms with large hail and strong winds to develop across West Texas.
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 Midland/Odessa, TX wrote its last area forecast discussion before the first event at Sep 18, 5:45 PM CST, 1 hour 25 minutes earlier.
Area Forecast Discussion...UPDATED National Weather Service Midland/Odessa TX 645 PM CDT Mon Sep 18 2017 .UPDATE... See public discussion below. && .DISCUSSION... Will add a slight chance of thunderstorms to all of west Texas this evening based on latest radar trends and incoming model data. Tweaked qpf and sky grids this evening. Updated products to be sent shortly. && .PREV DISCUSSION... /issued 510 PM CDT Mon Sep 18 2017/ AVIATION... VFR conditions will prevail next 24 hours, except in areas of direct convection. Hi-res models suggest KMAF/KFST are good candidates for convection over the next 24 hours. Otherwise, forecast soundings develop a widespread cu field late Tuesday morning, w/bases 4-7 kft agl. PREV DISCUSSION... /issued 129 PM CDT Mon Sep 18 2017/ DISCUSSION... A series of upper troughs will move across the NW US this week with a stronger one digging down the West Coast Thursday and Friday. As this trough moves east look for SW flow aloft to set up across the region. This will allow shortwaves to track across the area and could initiate storm development later in the week. Temperatures will remain above normal with highs in the 90s through the week but are expected to cool back into the 80s by the start of next week. Most of the area will see lows in the 60s and 70s with even a few 50s possible at Marfa and Tatum. Models have been teasing the arrival of a significant front end of the week but keep pushing it back in time... now not making it here in 240hrs. As far as precip not expecting much tonight... may be a few storms along the western border and higher elevations... could reach as far east as the Pecos River. May be more activity on Tuesday... perhaps early... as models depict showers and storms moving off the Rio Grande and spreading across the Trans Pecos. Have bumped up pops slightly Tuesday south of the Pecos. Tuesday night and Wednesday the best rain chances will shift to the SE counties. Rain chances may increase again toward the weekend. && .PRELIMINARY POINT TEMPS/POPS... Big Spring 71 95 71 96 / 20 20 20 20 Carlsbad 67 97 67 95 / 20 10 10 10 Dryden 74 97 73 97 / 20 20 20 30 Fort Stockton 71 95 71 95 / 20 30 20 20 Guadalupe Pass 65 88 65 87 / 20 10 10 10 Hobbs 65 93 64 93 / 20 20 10 10 Marfa 59 88 60 88 / 20 30 20 20 Midland Intl Airport 72 96 72 97 / 20 20 20 10 Odessa 72 96 71 97 / 20 20 20 10 Wink 72 98 70 98 / 20 20 10 10 && .MAF WATCHES/WARNINGS/ADVISORIES... NM...None. TX...None. && 99/99
Hazardous Weather Outlook National Weather Service Midland/Odessa TX 217 PM CDT Mon Sep 18 2017 NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075- 079>082-258-191930- Guadalupe Mountains of Eddy County-Eddy County Plains- Northern Lea County-Central Lea County-Southern Lea County-Gaines- Dawson-Borden-Scurry-Andrews-Martin-Howard-Mitchell- Van Horn and Highway 54 Corridor-Reeves County and Upper Trans Pecos- Loving-Winkler-Ector-Midland-Glasscock-Ward-Crane-Upton-Reagan- Davis/Apache Mountains Area-Pecos-Presidio Valley-Marfa Plateau- Big Bend Area-Terrell-Guadalupe Mountains- 217 PM CDT Mon Sep 18 2017 /117 PM MDT Mon Sep 18 2017/ This hazardous weather outlook is for portions of southeast New Mexico, southwest Texas and western Texas. .DAY ONE...THIS AFTERNOON AND TONIGHT Thunderstorms will be possible through tonight, mainly over the Davis Mountains and surrounding areas, with isolated storms possible over the rest of the forecast area. A storm or two could be severe, but most of the stronger storms will be capable of gusty winds of 50 to 55 mph, locally heavy rainfall and frequent cloud to ground lightning. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY Strong, if not a few severe, thunderstorms will be possible Tuesday afternoon and evening from the Davis and Glass Mountains northeastward into the Permian Basin. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated. This product, along with other watches, warnings, advisories, and statements issued by the National Weather Service Office in Midland, can be found on the internet at... http://weather.gov/midland
Special Weather Statement
National Weather Service Midland/Odessa TX
616 PM CDT MON SEP 18 2017
TXZ075-082-190000-
Pecos TX-Terrell TX-
616 PM CDT MON SEP 18 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL PECOS AND WESTERN
TERRELL COUNTIES UNTIL 700 PM CDT...
At 616 PM CDT, Doppler radar was tracking a strong thunderstorm 16
miles northeast of Longfellow, or 17 miles northwest of Sanderson,
moving southeast at 20 mph.
Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.
Locations impacted include...
Sanderson, Terrell County Airport and Longfellow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3017 10271 3041 10265 3049 10239 3035 10200
2986 10223
TIME...MOT...LOC 2316Z 239DEG 49KT 3038 10251
12Special Weather Statement National Weather Service Midland/Odessa TX 656 PM CDT MON SEP 18 2017 TXZ046-047-051-052-190045- Martin TX-Dawson TX-Howard TX-Borden TX- 656 PM CDT MON SEP 18 2017 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN BORDEN... NORTHWESTERN HOWARD...NORTHEASTERN MARTIN AND EASTERN DAWSON COUNTIES UNTIL 745 PM CDT... At 656 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Patricia to near Flower Grove. Movement was northeast at 20 mph. Nickel size hail and wind gusts of 50 to 55 mph will be possible with these storms. Locations impacted include... Lamesa, Ackerly, Los Ybanez, Sparenberg, Flower Grove, Patricia, Hancock, Lamesa Municipal Airport, Brown, Friendship, Tenmile, Three Leagues, Midway, Key and Klondike. PRECAUTIONARY/PREPAREDNESS ACTIONS... To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service office in Midland. && LAT...LON 3288 10184 3261 10147 3236 10183 3256 10213 TIME...MOT...LOC 2356Z 227DEG 16KT 3257 10200 3247 10185 44
Special Weather Statement National Weather Service Midland/Odessa TX 739 PM CDT MON SEP 18 2017 TXZ047-048-190130- Scurry TX-Borden TX- 739 PM CDT MON SEP 18 2017 ...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL SCURRY AND CENTRAL BORDEN COUNTIES UNTIL 830 PM CDT... At 739 PM CDT, Doppler radar was tracking a strong thunderstorm 8 miles northeast of Vealmoor, or 10 miles south of Gail, moving northeast at 25 mph. Nickel size hail and wind gusts of 50 to 55 mph will be possible with this storm. Locations impacted include... Gail and Knapp. PRECAUTIONARY/PREPAREDNESS ACTIONS... To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service office in Midland. && LAT...LON 3254 10151 3266 10161 3292 10126 3265 10108 TIME...MOT...LOC 0039Z 244DEG 21KT 3263 10149 44
Special Weather Statement
National Weather Service Midland/Odessa TX
743 PM CDT MON SEP 18 2017
TXZ060-061-190115-
Ector TX-Winkler TX-
743 PM CDT MON SEP 18 2017
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ECTOR AND EAST
CENTRAL WINKLER COUNTIES UNTIL 815 PM CDT...
At 743 PM CDT, Doppler radar was tracking a strong thunderstorm over
Notrees, or 15 miles northwest of West Odessa, moving east at 20 mph.
Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.
Locations impacted include...
West Odessa, Goldsmith, Notrees and North Cowden.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3181 10276 3197 10286 3207 10268 3207 10252
3203 10242 3186 10244
TIME...MOT...LOC 0043Z 239DEG 49KT 3193 10274
12Special Weather Statement National Weather Service Midland/Odessa TX 755 PM CDT MON SEP 18 2017 TXZ051-052-190145- Martin TX-Howard TX- 755 PM CDT MON SEP 18 2017 ...SIGNIFICANT WEATHER ADVISORY FOR WESTERN HOWARD AND EAST CENTRAL MARTIN COUNTIES UNTIL 845 PM CDT... At 754 PM CDT, Doppler radar was tracking a strong thunderstorm 9 miles southwest of Luther, or 11 miles southeast of Ackerly, moving southeast at 15 mph. Nickel size hail and wind gusts of 50 to 55 mph will be possible with this storm. Locations impacted include... Big Spring, Knott, Fairview and Big Spring McMahon-Wrinkle Airpark. This includes Interstate 20 between mile markers 172 and 179. PRECAUTIONARY/PREPAREDNESS ACTIONS... To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service office in Midland. && LAT...LON 3238 10174 3248 10166 3238 10136 3217 10152 TIME...MOT...LOC 0054Z 300DEG 14KT 3238 10161 44
Special Weather Statement National Weather Service Midland/Odessa TX 805 PM CDT MON SEP 18 2017 TXZ047-190145- Borden TX- 805 PM CDT MON SEP 18 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BORDEN COUNTY UNTIL 845 PM CDT... At 805 PM CDT, Doppler radar was tracking a strong thunderstorm 8 miles north of Gail, moving northeast at 15 mph. Nickel size hail and wind gusts of 50 to 55 mph will be possible with this storm. This storm will remain over mainly rural areas of northwestern Borden County. PRECAUTIONARY/PREPAREDNESS ACTIONS... To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service office in Midland. && LAT...LON 3277 10147 3285 10159 3296 10153 3296 10121 TIME...MOT...LOC 0105Z 216DEG 11KT 3290 10149 44
The Lubbock radar (KLBB), 107 km away, was scanning. The volume nearest the first event began at 01:09 UTC.
3 hail, 2 thunderstorm wind. Local standard time, as filed.
A thunderstorm moved across Borden County and produced a 66 mph wind gust at the mesonet site near Gail.
A thunderstorm moved across Howard County and produced a 60 mph wind gust five miles north of Big Spring.
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, September 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: 718525, 718516, 718517, 718518, 718608.