During the morning of the seventh, a mesoscale convective system moving across Oklahoma reinforced pre-existing outflow boundaries in the Rolling Plains and eastern South Plains. A weak short wave moving over the top of an upper level ridge combined with a very unstable airmass over the Rolling Plains creating scattered severe thunderstorms.
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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 LUB wrote it up.
During the morning of the seventh, a mesoscale convective system moving across Oklahoma reinforced pre-existing outflow boundaries in the Rolling Plains and eastern South Plains. A weak short wave moving over the top of an upper level ridge combined with a very unstable airmass over the Rolling Plains creating scattered severe thunderstorms. Strong downdraft CAPE values led to very strong reported wind gusts as well as large hail to the size of golf balls. Strong winds blew over a tractor trailer near Kirkland (Childress County) along US Highway 287. In addition, repeated rounds of slow moving thunderstorms dropped several inches of rain on far southwestern Childress County. An NWS cooperative weather observer reported 4.48 inches of rainfall while radar rainfall estimates were between five and six inches just a few miles east of the observer's location.
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 Lubbock, TX wrote its last area forecast discussion before the first event at Jun 7, 11:22 AM CST, 2 hours 52 minutes earlier.
Area Forecast Discussion National Weather Service Lubbock TX 1222 PM CDT Thu Jun 7 2018 .AVIATION... In the immediate term, a thunderstorm outflow boundary is expected to move through KCDS early this afternoon causing winds to be more light and variable. This outflow boundary moving into the region may serve as a focus for thunderstorm development by the middle of the afternoon. Coverage of afternoon and evening thunderstorms is still unclear at this time so any mention will be kept out of all TAFs at the moment. However, the best chances for thunderstorms will be near the KCDS terminal. && PREV DISCUSSION... /issued 322 AM CDT Thu Jun 7 2018/ DISCUSSION... Dirty ridge still atop the region had faltered a bit in strength since yesterday following a steady influx of moisture high aloft, mostly from episodic storms in/near Far West TX. Of interest for today is a shortwave trough currently over central NM that will crest the ridge by midday. Favorable timing of this wave during peak heating and the presence of a weakly capped airmass from the eastern Panhandle on south should allow for scattered storm development by mid/late afternoon. Soundings farther southwest along the extent of the dryline through Lubbock reveal more inhibition, although even this is breakable enough to support at least a spottier coverage of storms. Inserted severe mention for much of the region today given strong downdraft CAPE at or above 2000 J/kg. Upright instability is highest in our NE zones where MLCAPE surpasses 2000 J/kg. CAM ensembles generally favor an upscale growth into multicells and lines across our NE zones later today before turning southward downstream of the upper ridge axis and directly into the theta-e axis. This could easily breed heavy rain as storm motions are only progged to be 5 to 10 knots for much of this evening. Another round of storms appears plausible on Friday afternoon, albeit farther west on the Caprock as the dryline/surface trough fails to see much eastward progress. The upper ridge will still be subjected to a few ripples in weak SW flow which could certainly help escalate storm coverage and longevity tomorrow as well. This theme looks to erode by Saturday as the ridge consolidates more squarely over the region and delivers deeper subsidence with a bit more CINH. A small signal for deep convection still exists in our NW zones late Saturday near the dryline, but the pattern would suggest most storms stay farther west near the Mescalero Escarpment of eastern NM. Deep troughing over the Northern Rockies on Sunday will flatten our ridge considerably and serve to nudge the dryline eastward. What slim PoPs we depict late Sunday are very conditional as models are trending more lackluster given a warmer EML advecting east in the improved westerly flow aloft. The subtropical high should regroup in earnest by Monday, but remain flat as zonal flow ensues over much of the nation. This could afford some hope for an errant cold front arriving from the Panhandle Mon or Tue, with perhaps a few MCSs at times, although this MCS signal is greatest north of I-40 for now. Predominantly moist southerly winds next week look to keep most highs in the mid 90s despite 500 mb heights running from 590-592 dam. && .LUB WATCHES/WARNINGS/ADVISORIES... None. && 01
Hazardous Weather Outlook National Weather Service Lubbock TX 1112 AM CDT Thu Jun 7 2018 TXZ021>044-080415- Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale- Floyd-Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King- Yoakum-Terry-Lynn-Garza-Kent-Stonewall- 1112 AM CDT Thu Jun 7 2018 This Hazardous Weather Outlook is for the South Plains, Rolling Plains and the far Southern Texas Panhandle. .DAY ONE...Today and Tonight Isolated to scattered thunderstorms are likely to develop this afternoon from the southwest South Plains into the southeast Texas Panhandle, before spreading into the Rolling Plains this evening. Wind gusts to 70 mph and large hail to golf ball size will be possible. Heavy rain and some flooding are also a threat as some storms will be very slow moving. .DAYS TWO THROUGH SEVEN...Friday through Wednesday The probability of hazardous weather is low at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation may be requested.
Special Weather Statement
National Weather Service Lubbock TX
251 PM CDT THU JUN 7 2018
TXZ025-026-031-072015-
Childress TX-Motley TX-Hall TX-
251 PM CDT THU JUN 7 2018
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CHILDRESS...
NORTHEASTERN MOTLEY AND SOUTHERN HALL COUNTIES UNTIL 315 PM CDT...
At 250 PM CDT, Doppler radar was tracking a strong thunderstorm near
Northfield, or 13 miles east of Turkey, moving northeast at 20 mph.
Dime size hail and wind gusts up to 50 mph will be possible with this
storm.
Locations impacted include...
Turkey, Northfield, Tell and Estelline.
LAT...LON 3435 10031 3431 10042 3431 10052 3428 10052
3419 10076 3446 10094 3467 10049
TIME...MOT...LOC 1950Z 243DEG 19KT 3437 10067
23Special Weather Statement
National Weather Service Lubbock TX
252 PM CDT THU JUN 7 2018
TXZ024-072015-
Briscoe TX-
252 PM CDT THU JUN 7 2018
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BRISCOE COUNTY UNTIL 315
PM CDT...
At 251 PM CDT, Doppler radar was tracking a strong thunderstorm 12
miles northeast of Silverton, moving northeast at 20 mph.
Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.
This storm will remain over mainly rural areas of northern Briscoe
County.
LAT...LON 3456 10095 3448 10129 3468 10141 3475 10122
3475 10095
TIME...MOT...LOC 1951Z 244DEG 17KT 3462 10118
23The Altus AFB radar (KFDR), 129 km away, was scanning. The volume nearest the first event began at 20:12 UTC.
2 hail, 2 thunderstorm wind, 1 dust devil, 1 flash flood, 1 funnel cloud. Local standard time, as filed.
An NWS cooperative weather observer reported hail covering the ground between quarter size to ping pong ball size. No damage was reported.
A Texas Tech University West Texas mesonet site near Muleshoe recorded a wind gust to 63 mph. However, an NWS cooperative weather observer viewed a dust devil moving across the mesonet location at the same time.
A Texas Tech University West Texas mesonet site near Lesley measured a wind gust to 84 mph.
An NWS cooperative weather observer reported extensive flooding on his property with water threatening to enter his residence. The cooperative weather observer recorded 4.48 inches of rainfall with radar estimates between four and five inches. Radar rainfall estimates were between five and six inches only a few miles east of the observer's location.
The Paducah Fire Department reported hail between the size of quarters and golf balls along US Highway 83 north of Paducah.
The Hall County Sheriff's Office reported a funnel cloud nearly reaching the ground east of Memphis in Childress County. The location was near Texas Highway 256 and County Road 2 in Childress County.
The Childress County Sheriff's Office reported that a tractor trailer was blown over on US Highway 287 at Farm to Market Road 1033.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2018Every state in 2018This day in weather historyWarnings in Texas, June 2018
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: 750383, 750380, 750384, 750391, 750385, 750386, 750387.