Severe Thunderstorm Warning 140, NWS Midland/Odessa, TX

Area Forecast Discussion
National Weather Service Midland/Odessa TX
645 PM CDT Wed Jun 17 2020

.DISCUSSION...

Please see the 00Z aviation discussion below.

&&

.AVIATION...

Thunderstorms and outflow boundaries are affecting most area
terminals this evening, though activity should continue to weaken
and move away from area terminals within the first hour or two of
the forecast period. Winds will be erratic/gusty due to the
storms, and brief visibility reductions due to rain or blowing
dust are possible. By late evening, prevailing winds will be
southeasterly, then shifting to the west by Thursday morning at
all but MAF, where southerly winds look to persist. VFR conditions
will prevail outside of storms.

&&

.PREV DISCUSSION... /issued 214 PM CDT Wed Jun 17 2020/

DISCUSSION...
Several weak upper level disturbances will ride through and weaken
an upper level ridge that is over the forecast area through Saturday.
These disturbances will combine with strong daytime heating and
low and mid level moisture along a surface trough to produce widely
scattered to scattered (mainly afternoon and evening) thunderstorms
through Saturday. The best chance will be across west Texas. A
few storms will be severe each day through Saturday given progged
capes in excess of 2000 j/kg and wind shear of 15 to 30 knots.
Temperatures will remain above normal through the period.

By Sunday the flow aloft is forecast to become northwesterly as an
upper level ridge rebuilds across the southwest United States.
This will push the best chance of thunderstorms further east into
the eastern Permian Basin and Big Bend Sunday as the surface
trough/dryline moves toward those regions.

For next Monday through Wednesday a north to northwest flow aloft
regime is expected to reside over the forecast area with much
above normal temperatures. For now NBM guidance is low on precipitation
chances but this could change if more discernible upper level
disturbances can be identified in later guidance runs rotating
around the upper ridge centered in the desert southwest. In
addition the potential for low level boundaries approaching from
the north will also need to be monitored.

&&

.PRELIMINARY POINT TEMPS/POPS...
Big Spring                     73  97  73  93 /  50  20  30  20
Carlsbad                       66 102  65  99 /  10  10  10  20
Dryden                         74  98  73  95 /  20  20  20  20
Fort Stockton                  72  98  71  94 /  20  30  10  30
Guadalupe Pass                 68  91  67  89 /  10  10  10  20
Hobbs                          67  99  66  93 /  10  10  10  20
Marfa                          60  94  61  90 /  30  30  10  40
Midland Intl Airport           71  98  72  93 /  40  20  20  20
Odessa                         72  98  72  93 /  40  20  20  20
Wink                           73 101  71  97 /  20  20  10  20

&&

.MAF WATCHES/WARNINGS/ADVISORIES...
NM...None.
TX...None.
&&

84

Hazardous Weather Outlook
National Weather Service Midland/Odessa TX
249 PM CDT Wed Jun 17 2020

NMZ027>029-033-034-TXZ045>048-050>053-059>063-067>070-075-082-
270>282-182000-
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-Loving-Winkler-
Ector-Midland-Glasscock-Ward-Crane-Upton-Reagan-Pecos-Terrell-
Guadalupe Mountains Above 7000 Feet-Guadalupe and Delaware Mountains-
Van Horn and Highway 54 Corridor-Eastern Culberson County-
Reeves County Plains-Chinati Mountains-Marfa Plateau-Davis Mountains-
Davis Mountains Foothills-Central Brewster County-Chisos Basin-
Presidio Valley-Lower Brewster County-
249 PM CDT Wed Jun 17 2020 /149 PM MDT Wed Jun 17 2020/

This Hazardous Weather Outlook is for portions of southeast New
Mexico, southwest Texas, and western Texas.

.DAY ONE...This Afternoon and Tonight

Isolated to scattered thunderstorms will develop from southeastern
New Mexico to the Big Bend and the western Permian Basin this
afternoon and evening. A few storms could be strong to marginally
severe with strong winds, hail, heavy rain and frequent lightning the
main threats.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Scattered thunderstorms are expected Thursday in the area between
Marfa, Fort Stockton, and Dryden, a few storms will be possible
across the Permian Basin too. A few storms could be strong with
downburst wind gusts to around 55 mph, small hail, heavy rain and
frequent lightning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

Please relay any information about observed severe weather to the
NWS while following all local, state and CDC guidelines.

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...
https://weather.gov/midland

Special Weather Statement
National Weather Service Midland/Odessa TX
618 PM CDT Wed Jun 17 2020

TXZ075-082-279-282-180000-
Pecos TX-Terrell TX-Central Brewster County TX-
Lower Brewster County TX-
618 PM CDT Wed Jun 17 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL PECOS...EAST
CENTRAL BREWSTER AND TERRELL COUNTIES UNTIL 700 PM CDT...

At 618 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 12 miles west of Terrell County Gas Plant to 9
miles southwest of Dryden to 31 miles east of Persimmon Gap. Movement
was east at 40 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
these storms.

Locations impacted include...
Sanderson, Dryden, Terrell County Gas Plant and Terrell County
Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2976 10302 3007 10253 3052 10232 3045 10172
      3042 10174 3034 10166 3029 10176 2978 10176
      2981 10182 2979 10182 2978 10193 2982 10198
      2979 10207 2988 10232 2976 10239 2979 10249
      2975 10255 2977 10257 2975 10267 2963 10274
TIME...MOT...LOC 2318Z 291DEG 36KT 3043 10204 2994 10222 2967 10265

29

Special Weather Statement
National Weather Service Midland/Odessa TX
632 PM CDT Wed Jun 17 2020

TXZ045-046-180015-
Dawson TX-Gaines TX-
632 PM CDT Wed Jun 17 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN GAINES AND
NORTHWESTERN DAWSON COUNTIES UNTIL 715 PM CDT...

At 632 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles southeast of Seagraves Airport, or 8 miles southeast of
Seagraves, moving east at 10 mph.

Half inch hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Seagraves Airport and Loop.

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 3272 10214 3275 10252 3296 10255 3296 10218
TIME...MOT...LOC 2332Z 258DEG 9KT 3288 10244

29

Special Weather Statement
National Weather Service Midland/Odessa TX
715 PM CDT Wed Jun 17 2020

TXZ045-180100-
Gaines TX-
715 PM CDT Wed Jun 17 2020

...SIGNIFICANT WEATHER ADVISORY FOR GAINES COUNTY UNTIL 800 PM CDT...

At 715 PM CDT, Doppler radar was tracking a strong thunderstorm near
Seminole, moving east at 10 mph.

Half inch hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Seminole, Seagraves, Gaines County Airport, Seagraves Airport, Loop,
Paynes Corner, McKenzie Lake and Gaines County Park.

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 3264 10222 3264 10293 3296 10293 3296 10221
TIME...MOT...LOC 0015Z 258DEG 9KT 3276 10260

29

Special Weather Statement
National Weather Service Midland/Odessa TX
757 PM CDT Wed Jun 17 2020

TXZ045-046-180145-
Dawson TX-Gaines TX-
757 PM CDT Wed Jun 17 2020

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN GAINES AND WESTERN DAWSON
COUNTIES UNTIL 845 PM CDT...

At 757 PM CDT, Doppler radar was tracking a strong thunderstorm 15
miles southwest of Welch, or 16 miles west of Lamesa, moving
northeast at 30 mph.

Half inch hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Seminole, Seagraves, Gaines County Airport, Seagraves Airport, Welch,
Loop, Punkin Center, McKenzie Lake and Gaines County Park.

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 3252 10215 3270 10277 3296 10262 3296 10184
TIME...MOT...LOC 0057Z 205DEG 27KT 3273 10224

29

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