Area Forecast Discussion
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203
FXUS64 KEPZ 131121
AFDEPZ

Area Forecast Discussion
National Weather Service El Paso TX/Santa Teresa NM
521 AM MDT Thu Aug 13 2026

...New AVIATION, FIRE WEATHER...

.KEY MESSAGES...
Updated at 530 AM MDT Thu Aug 13 2026

 - Isolated showers and thunderstorms today, mostly limited to
   western NM. Increasing storm coverage this weekend, becoming
   scattered area wide. Storm will be capable of heavy rain and
   localized flash flooding.

 - Typical mid-August temperatures next few days, becoming warmer
   again next week.

&&

.DISCUSSION...
Issued at 1100 PM MDT Wed Aug 12 2026

Perhaps the most challenging part of the forecast is in the next
3 to 6 hours. Moist SW flow continues, but with very weak forcing.
An old outflow boundary pushed through EPZ around 9:30 PM,
sparking a highly localized shower that dropped 0.08 inches in
just a few minutes. Meanwhile, additional showers have been
cropping up over western Hudspeth County, and earlier
thunderstorms in Otero have since dissipated.

Several CAMS, including the 00Z HRRR and most RRFS members, have
been indicating an uptick in convection overnight in Far West
Texas. Some nearer to ELP, others in western Hudspeth, with some
variability in timing. A few of the HRRR runs prior to 00Z gave up
on this idea. And none of the 00Z CAMS runs really match reality,
most running too hot with precip on Hudspeth, while showing it
extending well south into Chihuahua. The current placement of
thunderstorms south of Ahumada is not well handled at all.

That weak little boundary that helped spark our local shower
looks to have pushed out towards Loop-375 on the east side, but
it`s too shallow to show up on HDX, and mostly blocked now by the
Franklins on EPZ. This might be enough to allow showers and storms
to flare up a bit in Hudspeth in the next couple of hours.
Whether that`s enough to push storms west towards El Paso like a
few RRFS members suggest is mostly a coin-flip, but I`m leaning
towards precip staying west of town, with 30-PoPs reaching as far
west as the airport. If we get any significant outflow from the
south, it`ll be at least 3-4 hours from now, and it`s hard to pin
hopes on that.

Going forward, the next few days look to remain cooler and
moister, but the lack of upper level forcing and mediocre
instability will keep precip chances mostly focused on the
mountains. Later Friday seems like the most favorable say as weak
convectively-induced disturbances roll up from the southwest,
while PWAT values climb to around 1.30 inches. The upper-most
levels of the troposphere start to show diffluent flow, but mostly
focused south of the border late Friday as well, ahead of an
apparent late-season inverted trough rolling into Coahuila.

&&

.AVIATION...
(12Z TAFS)
Issued at 530 AM MDT Thu Aug 13 2026

VCSH around KELP this morning from decaying TS. SSW gusts up to
30 knots through 16Z. Skies BKN-OVC120 at KELP this morning,
SCT120 across SW NM. Isolated TS across W NM this afternoon. TS
mention included at KTCS, but not the other TAF sites due to lower
confidence. Skies generally SCT-BKN100 with surface winds 230-260
at 10 to 15 knots.

&&

.FIRE WEATHER...
Issued at 530 AM MDT Thu Aug 13 2026

Scattered (30-50%) thunderstorms for Gila NF, but Lincoln NF will
be mostly dry today. Plenty of moisture present, with Min RH
35-45% and southwest winds 10 to 15 mph leading to Good vent
rates.

Increasing moisture will allow for better storm coverage Friday
into the weekend. Storms will pose a risk of localized flash
flooding and erratic outflow winds over mountains. New rain
amounts will be highly variable over the next 7 days, but mostly
likely 0.50-1.00" over local forests. Prevailing SW winds 10 to 15
mph through Friday shifting to the SE over the weekend.

&&

.PRELIMINARY POINT TEMPS/POPS...
El Paso                  73  96  73  98 /  10  10  10  20
Sierra Blanca            67  92  65  93 /  30  30  40  30
Las Cruces               67  94  67  96 /  10  10  10  20
Alamogordo               69  95  70  95 /  10  10  10  40
Cloudcroft               51  72  52  71 /  10  30  20  80
Truth or Consequences    68  93  69  94 /  10  10   0  10
Silver City              59  86  61  88 /  10  10   0  20
Deming                   66  94  67  97 /  10   0   0  10
Lordsburg                66  91  67  94 /  10   0   0  10
West El Paso Metro       74  96  74  97 /  10  10  10  20
Dell City                71  97  70  97 /  10  20  30  20
Fort Hancock             74  98  73  99 /  30  30  40  30
Loma Linda               67  89  67  90 /  10  10  30  40
Fabens                   73  96  72  98 /  20  10  30  20
Santa Teresa             71  94  71  96 /  10  10  10  10
White Sands HQ           72  95  73  96 /  10  10  10  40
Jornada Range            68  95  69  95 /  10  10  10  30
Hatch                    68  98  69  99 /  10   0   0  20
Columbus                 71  94  72  97 /  10  10  10  10
Orogrande                68  94  68  94 /  10  10  20  30
Mayhill                  58  84  57  83 /   0  40  20  80
Mescalero                56  83  57  83 /  10  30  10  70
Timberon                 54  82  55  81 /  10  20  20  60
Winston                  56  84  57  85 /  20  40  10  40
Hillsboro                63  92  64  93 /  10  20   0  30
Spaceport                66  94  66  95 /  10  10   0  20
Lake Roberts             54  85  55  87 /  10  20   0  30
Hurley                   60  89  62  91 /  10  10   0  10
Cliff                    63  91  64  95 /  10  10   0  10
Mule Creek               60  86  62  90 /  10  10   0  10
Faywood                  62  89  64  91 /  10  10   0  20
Animas                   65  90  67  93 /  20  10   0  10
Hachita                  65  91  67  94 /  10   0  10  10
Antelope Wells           65  90  66  92 /  10  20  10  10
Cloverdale               62  84  63  88 /  10  10   0  20

&&

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

$$

FORECASTER...30-Dennhardt