Severe Thunderstorm Warning 245, NWS Albuquerque, NM

Area Forecast Discussion
National Weather Service Albuquerque NM
318 PM MDT Tue Aug 27 2019

.SYNOPSIS...
After record-breaking heat the past couple of days across eastern
New Mexico, a backdoor cold front moved through overnight and brought
considerably cooler temperatures. However, much of western New
Mexico remains unusually hot and will continue to be hot over the
next several days. The backdoor front also brought much needed
moisture to fuel daily rounds of storms through the end of the work
week and into the weekend. Northwest portions of the state will miss
out on rain this week. Warmer temperatures will return to eastern New
Mexico toward the end of the week and above normal temperatures will
then persist areawide through the weekend and into next week.

&&

.DISCUSSION...
A low stratus deck is holding-tight over much of the eastern plains
and helping to keep the frontal layer intact, where temperatures are
currently in the upper 60s and 70s. This is quite the contrast from
yesterday's record-breaking heat thanks to the backdoor cold front
that pushed through last night. Speaking of...the front brought low
layer moisture west to near the Continental Divide overnight and is
currently fueling isolated storms along and west of the central
mountain chain. A favorable sheer environment across central NM, with
sbCAPE of around 2000 J/Kg and LIs of around -5C will be supportive
of strong storms this afternoon/evening and possibly a pulse-type
severe storm or two. Showers and perhaps some drizzle will prevail
overnight across eastern NM with an expanding low cloud deck.

A similar setup tomorrow, although with more instability across the
eastern plains thanks to warmer temperatures. That said, highs are
forecast to continue below normal across much of the plains offering
a contrast to the record heat forecast across much of northwest NM at
locales such as Farmington and Gallup. Deep convection should focus
over the southwest mountains, northeast to the central highlands and
south to the south central mountains Wednesday afternoon. The upper
high will back-off to the west Thursday and setup over southern
California trough Friday. Dry air will rotate around the upper high
circulation and will lead to a PWAT downtrend from much of central NM
going into the end of the work-week. Above normal temperatures will
return to eastern NM late week and will then continue areawide
through the weekend, though below daily record values. Sat/Sun may
bring a return of storms to central and north central NM as moisture
creeps back northward with the upper high moving northeast and
recentering over west central Colorado.

12Z medium range model solutions continue trends from previous cycles
in showing the upper high moving east out of Colorado from early to
mid next week, opening up the door for a significant moisture surge
into NM. However, the 12Z runs differ in the handling of an
approaching trough, so lower forecast confidence at this time. That
said, the trends are positive for next week with regard to closer to
normal temperatures and improved rain chances.

11

&&

.FIRE WEATHER...
Primary concerns in the short term include: (1) poor humidity
recovery tonight northwest districts followed by another day of
single digit RH and high Haines indices on Wednesday; (2) isolated
strong thunderstorms near/east of the Rio Grande to the east slopes
of the central mountain chain this afternoon/evening capable of
locally strong outflow/downburst winds; and (3) potential for
isolated dry lightning activity western high terrain (mainly Divide
westward) on Thursday.  Unseasonably cool air mass firmly entrenched
east of the central mountain chain will slowly modify Wednesday and
more noticeably by Thursday. Good if not excellent RH recoveries for
the eastern two-thirds of the area tonight and Wednesday night. A
similar convective pattern will likely play out for Wednesday except
for increased thunderstorm coverage east of the central mountain
chain. Main high center aloft to shift over AZ through Thursday
before the high strengthens and shifts farther west Friday before
moving back to the Four Corners this weekend. Another backdoor cold
front could impact the east Friday night reinforcing low level
moisture for much of the area this weekend.  KJ

&&

.AVIATION...
18Z TAF CYCLE
Considerable low cloudiness to persist over much of eastern NM
through at least early afternoon with some erosion later in the day.
Mostly MVFR cigs, locally IFR east-central and southeast areas,
should steadily lift with MVFR conditions becoming less widespread
after 20Z. Elsewhere, isolated to scattered -SHRA/-TSRA developing
vicinity of the higher terrain to include areas along/east of the
central mountain chain. Steering winds generally from NW to SE at
10-15 kts. Gusty outflow winds primary concern especially for sites
near/west of the Rio Grande to include ABQ area and SAF. MVFR/IFR
cigs expected to return to much of the east tonight with areas of
fog/drizzle possible. KJ

&&

.PRELIMINARY POINT TEMPS/POPS...
Farmington......................  54  97  56  96 /   0   0   0   5
Dulce...........................  48  91  48  90 /   0   0   0  10
Cuba............................  56  90  56  91 /   5   5   0  10
Gallup..........................  52  93  54  90 /   0   5  10  20
El Morro........................  50  90  51  87 /   5  10  20  20
Grants..........................  51  90  52  89 /   5  10  10  20
Quemado.........................  57  88  56  87 /  10  40  20  30
Datil...........................  58  85  57  84 /  20  50  30  40
Glenwood........................  65  93  64  92 /  40  50  30  60
Chama...........................  46  85  45  84 /   5   5   0  20
Los Alamos......................  60  85  61  86 /  20  10   0  20
Pecos...........................  58  84  58  87 /  30  20  10  10
Cerro/Questa....................  53  82  51  83 /  20  10   5  10
Red River.......................  42  73  43  76 /  20  10  10  20
Angel Fire......................  39  76  36  80 /  30  10  10  20
Taos............................  52  85  46  87 /  20  10   5  10
Mora............................  53  81  51  85 /  40  20  10  10
Espanola........................  58  90  58  90 /  20  10   0  10
Santa Fe........................  61  86  61  88 /  20  10   5  10
Santa Fe Airport................  58  89  58  91 /  20  10   5  10
Albuquerque Foothills...........  67  91  65  93 /  20  10  10  10
Albuquerque Heights.............  68  92  66  94 /  20  10  10  10
Albuquerque Valley..............  62  94  62  97 /  20  10  10  10
Albuquerque West Mesa...........  64  93  65  95 /  20  10  10  10
Los Lunas.......................  60  94  60  96 /  20  10  10  10
Rio Rancho......................  64  93  65  95 /  20  10  10  10
Socorro.........................  66  95  64  95 /  20  40  20  20
Sandia Park/Cedar Crest.........  61  86  61  88 /  30  20  20  10
Tijeras.........................  60  87  60  89 /  30  10  20  10
Moriarty/Estancia...............  55  88  54  91 /  30  20  20  10
Clines Corners..................  57  83  57  88 /  30  30  20   5
Gran Quivira....................  57  85  57  88 /  20  30  20  10
Carrizozo.......................  63  86  62  88 /  20  40  30  20
Ruidoso.........................  58  76  57  81 /  30  60  50  30
Capulin.........................  54  82  54  88 /  30  20   5  20
Raton...........................  54  85  51  91 /  30  20  10  10
Springer........................  53  84  50  92 /  30  20  10  10
Las Vegas.......................  53  81  52  89 /  30  20  10  10
Clayton.........................  56  79  60  93 /  30  20  10   5
Roy.............................  58  80  58  90 /  20  20  20   5
Conchas.........................  63  82  63  95 /  30  20  20   5
Santa Rosa......................  63  83  64  96 /  30  20  20   5
Tucumcari.......................  62  82  65  96 /  30  20  20   0
Clovis..........................  62  79  62  93 /  30  30  20   0
Portales........................  63  80  64  94 /  30  30  20   0
Fort Sumner.....................  63  83  63  95 /  30  20  20   0
Roswell.........................  68  82  69  96 /  30  30  20  10
Picacho.........................  62  83  62  91 /  30  40  30  20
Elk.............................  60  80  60  86 /  30  60  40  30

&&

.ABQ WATCHES/WARNINGS/ADVISORIES...
None.

&&

11

Hazardous Weather Outlook
National Weather Service Albuquerque NM
305 AM MDT Tue Aug 27 2019

NMZ501>540-281100-
Northwest Plateau-Chuska Mountains-Far Northwest Highlands-
Northwest Highlands-West Central Plateau-West Central Mountains-
West Central Highlands-Southwest Mountains-
San Francisco River Valley-San Juan Mountains-Jemez Mountains-
West Slopes Sangre de Cristo Mountains-
Northern Sangre de Cristos above 9500 feet/Red River-
Southern Sangre de Cristos above 9500 feet-
East Slopes Sangre de Cristo Mountains-Upper Rio Grande Valley-
Lower Chama River Valley-Santa Fe Metro Area-
Middle Rio Grande Valley/Albuquerque Metro Area-
Lower Rio Grande Valley-Sandia/Manzano Mountains-Estancia Valley-
Central Highlands-South Central Highlands-Upper Tularosa Valley-
South Central Mountains-Raton Ridge/Johnson Mesa-
Far Northeast Highlands-Northeast Highlands-Union County-
Harding County-Eastern San Miguel County-Guadalupe County-
Quay County-Curry County-Roosevelt County-De Baca County-
Chaves County Plains-Eastern Lincoln County-Southwest Chaves County-
305 AM MDT Tue Aug 27 2019

This hazardous weather outlook is for portions of north and central
New Mexico.

.DAY ONE...Today and Tonight

Isolated to scattered showers and thunderstorms will be present along
and east of the central mountain chain. These storms may produce
frequent lightning, small hail, and gusty winds. Temperatures will be
noticeably cooler, especially across the east.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Scattered thunderstorms will be possible through late week, with the
best coverage over the south- central and southwestern mountains.
Frequent lightning, small hail, and gusty winds may accompany storms.
Above average temperatures return to the state early next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

31

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Special Weather Statement
National Weather Service Albuquerque NM
441 PM MDT Tue Aug 27 2019

NMZ528-272315-
Far Northeast Highlands-
441 PM MDT Tue Aug 27 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN MORA COUNTY UNTIL
515 PM MDT...

At 441 PM MDT, Doppler radar was tracking a strong thunderstorm near
Wagon Mound, moving southeast at 20 mph.

Penny size hail will be possible with this storm.

Locations impacted include...
Wagon Mound.

This includes Interstate 25 between Mile Markers 376 and 386.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists can expect brief but sudden changes in visibility and
ponding of water on highways as storms move through the area.

&&

LAT...LON 3588 10448 3577 10478 3578 10482 3594 10488
      3595 10485 3598 10483 3601 10483 3603 10479
TIME...MOT...LOC 2241Z 330DEG 16KT 3592 10475

24

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
443 PM MDT TUE AUG 27 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0435 PM     HAIL             4 SW RIO RANCHO         35.24N 106.70W
08/27/2019  M1.00 INCH       SANDOVAL           NM   NWS EMPLOYEE

            GOLF COURSE AND CABAZON

&&

EVENT NUMBER ABQ201902380

CA

Special Weather Statement
National Weather Service Albuquerque NM
443 PM MDT Tue Aug 27 2019

NMZ515-528-272315-
Far Northeast Highlands-East Slopes Sangre de Cristo Mountains-
443 PM MDT Tue Aug 27 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL MORA COUNTY UNTIL
515 PM MDT...

At 443 PM MDT, Doppler radar was tracking a strong thunderstorm near
Ocate, or 19 miles northwest of Wagon Mound, moving southeast at 10
mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Ocate and Ojo Feliz.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rains will cause water to pond on roads and in low spots. Fast
running water will quickly fill arroyos and ditches.

&&

LAT...LON 3613 10517 3622 10501 3612 10473 3595 10504
TIME...MOT...LOC 2243Z 319DEG 9KT 3613 10503

24