Area Forecast Discussion
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354
FXUS64 KEPZ 150514
AFDEPZ

Area Forecast Discussion
National Weather Service El Paso TX/Santa Teresa NM
1114 PM MDT Sat Jun 14 2025

...New DISCUSSION, AVIATION...

.KEY MESSAGES...

 -  The hottest temperatures of the year will continue. Highs will
    range from 104 to 108 across the lowlands through Tuesday.

 -  Most of the area will remain dry on Sunday, but widely
    scattered thunderstorms will develop over the Sacramento
    Mountains in the afternoon, with isolated thunderstorms
    drifting into Hudspeth County in the evening. There`s an
    outside chance of a stray thunderstorm in the Gila Region or
    Black Range as well.

 -  Dry conditions will prevail in all areas Monday through at
    least Friday.

 -  Smoke will affect parts of Grant and Sierra counties from the
    Trout and Buck Fires next few days. Smoke will be particularly
    thick in the Mimbres and Sapillo Valleys.

 -  Critical fire weather conditions are possible as breezy west
    winds develop Monday and especially Tuesday.

&&

.DISCUSSION...
Issued at 1038 PM MDT Sat Jun 14 2025

The Trout Fire was particularly active today with tall smoke
columns and pyrocumulus clouds noted during the afternoon.
Satellite imagery showed low level smoke spreading south towards
Silver City towards evening. Expect smoke will be particularly
thick tonight along Sapillo Creek, through Lake Roberts, and down
through the Mimbres Valley. Trapped smoke will also be noticeable
around Pinos Altos and Silver City, largely depending on
elevation.

Expect one more day with isolated to scattered thunderstorms in
Sacramento Mountains in the afternoon. Storms will attempt to
spread south along the Otero Mesa into Hudspeth County in the
evening. The NBM has shown a distinct low-PoP bias the past few
days, so PoP grids were adjusted up, leaning on good old
persistence and the HREF which has been better on its own. We have
had some impressive "virga bomb" downbursts at a few places the
past few days, and this will likely continue. Today`s event was at
Spaceport America, where a 58 mph gust was preceded by a 76
degree dewpoint depression (97 over 21). The dewpoint "spiked" to
37 after the microburst.

Can`t completely rule out an isolated shower or thunderstorm
developing over the Black Range Sunday afternoon/evening again,
and maybe closer to the Pinos Altos Range and the Trout Fire. Not
enough moisture for any rain though...just wind.

The subtropical ridge will be centered right over us tomorrow, as
it was today, and will stay over southern NM through Monday. Highs
will likely be within a degree or two of yesterday`s highs just
about everywhere. ELP hit 107 today. It could tick to 108 or
maybe 109 Sunday or Monday. The ridge starts to retreat south on
Monday, but westerly flow could bring downsloping, balancing out
any benefit of the ridge`s retreat.

Saggy troughing over Arizona will help boost westerly flow
slightly over western NM on Monday. The ridge completely breaks
down on Tuesday, with a shortwave trough rolling across the
Central Rockies in the afternoon. Weak lee troughing will enhance
the pressure gradient, and deep mixing could tap into 30-35 knots
at and above 700 mb. BUFKIT soundings for DMN Tuesday afternoon
suggest momentum transfer gust potential around 25 knots (30 mph).
Up in northern Grant County, in the higher terrain, gusts could be
a little higher, and winds may stay up longer into the night than
usual. Not great news given the fires.

If you look at a graph of NBM forecast Max Temperature ranges for
ELP the next 10 days, and ignore the labels, you`d be relived to
see a downward trend in temperatures through the period. But read
the labels, and you`ll see we`re unlikely to drop below 105 for a
high until Wednesday (and even then it`s close), and we`ll likely
stay around 100-102 into next weekend.

The good news? Unhindered by the departing stronger westerly flow
on Wednesday, low level moisture will start its usual diurnal
lapping into our area Wednesday night, with a stronger easterly
push possible Thursday. The subtropical ridge will reorganize
itself just south of the Four Corners. The GFS also hints at the
first inverted trough of the season rolling into northeastern
Mexico late in the week. This should start getting deeper
convection going over the central Sierra Madre Occidental, a
necessary step towards bringing the monsoon moisture northward in
time. Isolated high terrain convection may make a return Friday
over the Sacramento Mountains. Beyond that, it looks like a
battle between a digging trough over the Pacific Northwest and
the subtropical ridge takes shape by next weekend.

&&

.AVIATION...
(06Z TAFS)
Issued at 1038 PM MDT Sat Jun 14 2025

VFR conditions will prevail through the period, Light and variable
winds tonight will drift towards drainage flows by dawn. Light
south to southwest winds will prevail through Sunday.

Smoke from the Trout Fire was too high to cause ceilings or visby
restrictions at TCS this afternoon. Expect any visibility
reductions through the night will be located closer to the fire,
especially the Mimbres and Sapillo Valleys, possibly down towards
SVC.

Isolated convection Sunday over the higher terrain will not affect
any TAF sites, but we`ll need to watch for any stronger outflows
that could try to come into ELP in the evening, as convection may
be more active over Hudspeth County.

&&

.FIRE WEATHER...
Issued at 1103 AM MDT Sat Jun 14 2025

Elevated fire conditions continuing today and Sunday, with very
low humidity and fuel moisture. Slight chance of a thunderstorm
over the mountains (mainly the Sacs). With slightly lower
dewpoints, dry lightning possible with any storm. Non-thunderstorm
winds should remain less than 12 mph. Temperatures well above
normal. For Monday and Tuesday, dryness continues but afternoon
breezes will pick up both days to west/northwest 12-17 mph,
allowing fire conditions to approach critical.

By Friday/Saturday expect wind shift to the east/southeast with
humidity slowly rising. Slight chance of thunderstorms returns to
the zones by Saturday.

Min RH: Lowlands 5-12% through Thursday. Mountains 7-14% through
Thursday. Vent rates very good-excellent through Thursday.

&&

.PRELIMINARY POINT TEMPS/POPS...
El Paso                  78 107  77 108 /   0  10   0   0
Sierra Blanca            70 101  67 101 /  10  30  40   0
Las Cruces               69 102  70 104 /   0   0   0   0
Alamogordo               69 102  70 104 /   0   0   0   0
Cloudcroft               56  82  56  81 /   0  10   0  10
Truth or Consequences    72 102  72 104 /   0   0   0   0
Silver City              65  96  66  97 /   0   0   0   0
Deming                   68 106  69 105 /   0   0   0   0
Lordsburg                67 102  68 104 /   0   0   0   0
West El Paso Metro       77 104  78 105 /   0   0   0   0
Dell City                70 104  68 106 /   0  10  10   0
Fort Hancock             76 107  73 108 /  10  10  20   0
Loma Linda               70  99  70  99 /   0  10  10   0
Fabens                   74 105  72 107 /   0   0   0   0
Santa Teresa             73 103  72 104 /   0   0   0   0
White Sands HQ           76 104  75 105 /   0   0  10   0
Jornada Range            66 102  66 104 /   0   0   0   0
Hatch                    67 105  67 106 /   0   0   0   0
Columbus                 73 106  73 106 /   0   0   0   0
Orogrande                70 102  70 103 /   0   0   0   0
Mayhill                  59  91  60  92 /  10  30  10  10
Mescalero                61  92  60  92 /   0  10   0  10
Timberon                 56  89  57  89 /   0  10   0   0
Winston                  58  94  58  95 /   0  10  10   0
Hillsboro                61 102  64 102 /   0  10   0   0
Spaceport                64 102  65 103 /   0   0   0   0
Lake Roberts             47  97  49  98 /   0  10  20   0
Hurley                   65  99  65 100 /   0   0   0   0
Cliff                    53 100  56 101 /   0   0   0   0
Mule Creek               49  97  55  99 /   0   0   0   0
Faywood                  66 100  67  99 /   0   0   0   0
Animas                   68 101  69 104 /   0   0   0   0
Hachita                  67 102  69 104 /   0   0   0   0
Antelope Wells           67 102  69 103 /  20   0   0   0
Cloverdale               69  98  67  99 /  10  10  20   0

&&

.EPZ WATCHES/WARNINGS/ADVISORIES...
TX...Heat Advisory from noon Sunday to midnight MDT Tuesday night for
     Northern Hudspeth Highlands/Hueco Mountains-Salt Basin-
     Southern Hudspeth Highlands.

     Heat Advisory until midnight MDT Tuesday night for
     Eastern/Central El Paso County-Rio Grande Valley of Eastern
     El Paso/Western Hudspeth Counties-Rio Grande Valley of
     Eastern Hudspeth County-Western El Paso County.

NM...Heat Advisory from noon Sunday to midnight MDT Tuesday night for
     Central Grant County/Silver City Area-East Central Tularosa
     Basin/Alamogordo-Eastern Black Range Foothills-Lowlands of
     the Bootheel-Northern Dona Ana County-Otero Mesa-Sierra
     County Lakes-Southeast Tularosa Basin-Southern Gila
     Foothills/Mimbres Valley-Southwest Desert/Lower Gila River
     Valley-Upper Gila River Valley-West Central Tularosa
     Basin/White Sands.

     Heat Advisory until midnight MDT Tuesday night for Southern Dona
     Ana County/Mesilla Valley-Southwest Desert/Mimbres Basin.

&&

$$

FORECASTER...25-Hardiman