Special Weather Statement, NWS Albuquerque, NM

Area Forecast Discussion...UPDATED
National Weather Service Albuquerque NM
613 AM MDT Mon May 31 2021

.AVIATION...
12Z TAF CYCLE
With abundant moisture in place numerous showers and thunderstorms
will continue over southeast and east central areas this morning.
Mesoscale models show a brief decrease in coverage of showers and
thunderstorms over east central and southeast areas this afternoon,
while widespread showers and thunderstorms develop over the northern
mountains and northeast highlands. Then, during late afternoon and
evening, another round of showers and thunderstorms is forecast to
track eastward across the eastern plains. Scattered to numerous
showers and thunderstorms are expected elsewhere. Some storms may
turn severe along and east of the south central mountains from mid
morning until mid afternoon, when instability will be greatest.
Widespread MVFR and IFR conditions in low clouds are expected east of
the central mountain chain tonight, and potentially also across
areas further west that get significant rainfall today.

44

&&

.PREV DISCUSSION...344 AM MDT Mon May 31 2021...
.SYNOPSIS...
Moisture has been in place across eastern New Mexico for the past few
days, but it has now begun to advance farther west, and this should
allow increased shower and thunderstorm activity over central, and
even some western, parts of the state today. Unstable conditions
will also be present this afternoon, leading to some strong to severe
storms capable of heavy downpours with localized flash flooding,
large hail, and damaging winds, especially in central parts of the
state. The increased moisture, cloud cover and precipitation will
keep temperatures a bit cooler than average today. Thunderstorm
coverage will not be quite as expansive on Tuesday, but still
scattered to numerous storms are expected to develop, primarily from
the southwest mountains toward the central mountain chain and eastern
plains. Moisture will linger for isolated to scattered thunderstorms
each day for the rest of the week, and temperatures will warm closer
to average.

&&

.DISCUSSION...
SHORT TERM...(TODAY THROUGH TUESDAY)...
An unseasonably wet pattern will continue today and this evening as
a low pressure system stalled over southern Arizona continues to
draw low level moisture westward through NM. Precipitable water
values near and over an inch are again expected today along and east
of the central mountain chain, with values from 0.5-0.75" further
west. A disturbance in northwest flow aloft will clip the northeast
corner of NM today and interact with the moisture to produce
scattered to numerous showers and thunderstorms. The northern
mountains and much of the eastern plains should generally accumulate
0.25-1" of rain today and tonight with locally higher amounts. Again
we will issue a Flash Flood Watch for the burn scars of the Sangre
de Cristo Mountains, which will be especially susceptible to flash
flooding, valid this afternoon until 10 PM MDT this evening.
Further, shear and instability should be sufficient for some
thunderstorms along and east of the south central mountains to turn
severe from mid morning through mid afternoon when instability will
be the greatest.

Tuesday, the upper low over AZ is forecast to drift a little to the
south and southwest over northwest Mexico, allowing low level
moisture to remain in place to some extent. Meanwhile, a stronger
disturbance will dive to the south southeast over northern and
eastern parts of NM, sparking another round of scattered to numerous
showers and thunderstorms. A few strong to severe thunderstorms will
again be possible along and east of the central mountain chain, but
heavy rain will become increasingly localized as some drier air
filters over the area in northwest flow aloft. Some cells west of
the central mountain chain may produce more in the way of wind than
rain on Tuesday afternoon.

LONG TERM...(WEDNESDAY THROUGH SUNDAY)...
The weather pattern will be slow to evolve from the middle of the
week into next weekend. The Baja low will retain its position through
Wednesday and Thursday before slowly being absorbed into the mainland
of Mexico and eventually Texas by Saturday. No new moisture
intrusions look to befall on New Mexico, and so a typical, seasonal
and nearly steady state of drier conditions at the far western edge
of the state will be contrasted by more moist boundary layer
conditions toward the eastern border. Look for surface dewpoints to
generally stay in the upper 20's to mid 30's in the far west while
upper 40's to mid 50's readings persist in far eastern zones. This
will translate to a precipitable water gradient of roughly 0.5 to 0.6
inch in the west and closer toward 0.9 to an inch in the east with
little variations for most of the week. This will keep lower QPF over
western zones with a continued threat of gusty virga showers and/or
dry lightning. Better prospects for measurable rainfall will
therefore stay in eastern zones, but will turn more sparse or
isolated with a lack of large scale forcing. Temperatures will
steadily climb through the end of the week, inching closer to
seasonal values for early June.

By early next a long wave trough does show signs of digging into the
western U.S. and a taste of stronger southwesterly flow could return
to NM.

44/52

&&

.FIRE WEATHER...
Moisture has advanced westward up to the continental divide so far
tonight and will likely spill over toward the AZ border today.
Scattered to numerous showers and thunderstorms are expected with the
best chance of moderate to heavy rain over the northern mountains
and eastern plains this afternoon and evening. The potential exists
for flash flooding below burn scars in the Sangre de Cristo Mountains
this afternoon, on both the east and west slopes. There will be
daily rounds of showers and thunderstorms for much of the forecast
area during the middle and latter half of the week as a low pressure
system remains stalled over northwest Mexico keeping modest low level
moisture in place over NM and a series of disturbances track south
and southeastward over northern and eastern parts of the state. After
today, wetting footprints will decrease and there will be a mix of
wet and dry storms daily across western areas.

44

&&

.ABQ WATCHES/WARNINGS/ADVISORIES...
Flash Flood Watch from noon MDT today through this evening for the
following zones... NMZ214-215.

&&

Hazardous Weather Outlook
National Weather Service Albuquerque NM
442 AM MDT Mon May 31 2021

NMZ201>241-011100-
Northwest Plateau-Chuska Mountains-Far Northwest Highlands-
Northwest Highlands-West Central Plateau-West Central Mountains-
West Central Highlands-Southwest Mountains-
San Francisco River Valley-Tusas Mountains Including Chama-
Jemez Mountains-Glorieta Mesa Including Glorieta Pass-
Northern Sangre de Cristo Mountains-
Southern Sangre de Cristo Mountains-
East Slopes Sangre de Cristo Mountains-Upper Rio Grande Valley-
Espanola Valley-Santa Fe Metro Area-
Middle Rio Grande Valley/Albuquerque Metro Area-
Lower Rio Grande Valley-Sandia/Manzano Mountains Including Edgewood-
Estancia Valley-Central Highlands-South Central Highlands-
Upper Tularosa Valley-South Central Mountains-
Johnson and Bartlett Mesas Including Raton Pass-
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-
San Agustin Plains and Adjacent Lowlands-
442 AM MDT Mon May 31 2021

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

.DAY ONE...Today and Tonight

Scattered to numerous showers and thunderstorms are expected across
more of New Mexico today, especially in central to north central
areas of the state. Some storms will be strong to severe with heavy
downpours, large hail, and damaging winds. Locally heavy rainfall
could lead to flash flooding, particularly over recent wildfire burn
scars in the Sangre de Cristo mountains.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Scattered to numerous thunderstorms are expected again on Tuesday
with storms focusing over the southwestern mountains and the central
mountain chain of New Mexico. Some storms will be capable of heavy
downpours, large hail, and damaging winds in eastern areas of the
state.

Thunderstorms will redevelop each day thereafter, generally favoring
the eastern half of the state where a few strong to severe storms
will be possible.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report their observations of any severe
weather through the National Weather Service Albuquerque web site at
weather.gov/abq or by calling 1.888.386.7637. You can also submit
storm reports and photos on our Facebook page or via Twitter using
the hashtag nmwx.

52

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