Special Weather Statement, NWS Albuquerque, NM

Area Forecast Discussion
National Weather Service Albuquerque NM
240 PM MDT Tue Jul 20 2021

.SYNOPSIS...
The coverage of showers and thunderstorms with heavy rainfall will
increase over the western half of New Mexico through this weekend.
The most significant storm coverage is likely from Thursday through
Saturday as an upper level wave drifts westward from Texas. Five day
rainfall amounts will average 1 to 2 inches across the region with
locally higher amounts over western New Mexico. Temperatures will be
near to below normal for mid to late July.

&&

.DISCUSSION...
SHORT TERM...(TONIGHT THROUGH WEDNESDAY NIGHT)...
The upper ridge axis extending approximately from south central AZ
through north central CO this afternoon will continue to tilt in a
clockwise direction through Wednesday night. Drier air at and above
500 mb was noted on satellite imagery and morning soundings across
the southeast half of NM and over portions of west TX, although low
level moisture remains plentiful. The drying aloft hasn't kept a few
storms from erupting over the eastern plains today though, but
models indicate this activity will diminish early in the evening.
Forecast models otherwise feature the north central to west central
and southwest areas for convection tonight and Wednesday, with an
uptick possible Wednesday. The upper circulation will also continue
to support hazy skies over much of northern and central NM in the
short term.

Only spotty and rather short lived low clouds/fog were observed this
morning over far east central NM and in the Moreno Valley so will
continue to leave out of the weather grids for tonight and early
Wednesday. Overnight lows will be a few degrees warmer than normal,
while highs on Wednesday will be near to about 5 degrees below
average.

LONG TERM...(THURSDAY THROUGH SUNDAY)...
Models have finally come into better agreement with regard to the
upper level wave retrograding slowly west from the lower MS River
Valley. By Thursday, the center of H5 high pressure will be near the
Four Corners while the upper wave approaches the Permian Basin. The
axis of 700-500mb deformation between the two features will stretch
from southwest to northeast across northern and western NM. PWs are
progged to rise above 1.15" at KABQ for several days from Thursday
thru at least Sunday. The upper wave is shown drifting west then
northwest across the state which will introduce sufficient lift w/
abundant moisture in place. The latest WPC ERO shows the greatest
probability for flash flooding on Thursday over northern and western
NM which may may overlap into Friday and/or Saturday. Average QPF
amounts of 1-2" are likely for the north and west with locally higher
amounts expected.

By Monday, the upper wave shifts farther northwest into the Great
Basin while H5 high pressure begins dominating the southern Great
Plains. A noteworthy slug of moisture still remains in place over NM
next week w/ a more traditional south to north steering flow.

99/Guyer

&&

.FIRE WEATHER...
The upper ridge axis extending approximately from south central AZ
through north central CO this afternoon will continue to tilt in a
clockwise direction Wednesday through Thursday. Storm motion will
generally be from northeast to southwest tonight through Wednesday.
Cell movement to trend more north to south or become slow and
erratic by Thursday, due to an approaching upper low from west TX.
The focus for showers and storms will continue to be generally along
and west of I-25 and along and north of I-40 through much of this
week, although a day to day trend of increasing the number and areal
coverage of storms is expected through Friday and Saturday. Highs
will be near to below normal and overnight lows will be a few
degrees warmer than average. Highs may stray even cooler than normal
over the weekend. Winds will be light outside of convective activity
and areas of fair to poor ventilation are forecast for portions of
the north, west and central for the rest of this week.

99

&&

.AVIATION...
18Z TAF CYCLE
Upper ridge axis has been tilting from southwest to northeast from
srn AZ through north central CO and will continue to move clockwise
for the next 24 hrs. Convection to favor the higher terrain and the
eastern plains prior to 00Z then storms will be focused over central
and wrn NM. Brief MVFR cigs/vsbys and mt obscurations are possible
with the stronger showers/storms. Convection to gradually dissipate
aft 21/03Z but isold activity to persist through 21/06Z.

99

&&

.PRELIMINARY POINT TEMPS/POPS...
Farmington......................  69  94  67  92 /  20  30  40  50
Dulce...........................  56  88  55  86 /  40  60  60  80
Cuba............................  59  85  57  82 /  50  50  60  80
Gallup..........................  60  88  59  86 /  30  60  60  70
El Morro........................  56  81  56  78 /  40  60  60  80
Grants..........................  61  85  59  82 /  40  50  50  80
Quemado.........................  59  81  58  80 /  40  70  40  90
Magdalena.......................  61  83  61  81 /  40  30  20  60
Datil...........................  57  81  56  78 /  40  60  30  80
Reserve.........................  61  86  60  87 /  40  60  40  80
Glenwood........................  67  89  66  89 /  30  50  20  70
Chama...........................  51  83  51  79 /  30  60  60  90
Los Alamos......................  59  85  59  82 /  40  50  50  80
Pecos...........................  56  82  56  81 /  30  40  30  60
Cerro/Questa....................  52  83  50  81 /  20  60  40  70
Red River.......................  46  73  46  73 /  20  60  40  70
Angel Fire......................  44  75  44  75 /  20  50  30  70
Taos............................  54  85  53  85 /  20  50  40  70
Mora............................  52  78  52  78 /  20  40  20  60
Espanola........................  54  89  53  89 /  30  40  40  70
Santa Fe........................  59  85  58  84 /  30  40  30  70
Santa Fe Airport................  60  88  59  87 /  40  40  30  70
Albuquerque Foothills...........  66  86  66  87 /  40  30  30  60
Albuquerque Heights.............  69  88  68  89 /  40  20  30  50
Albuquerque Valley..............  64  89  63  91 /  40  20  30  50
Albuquerque West Mesa...........  67  88  67  90 /  40  30  30  60
Belen...........................  69  91  68  91 /  40  20  20  50
Bernalillo......................  64  90  63  92 /  40  30  30  60
Bosque Farms....................  67  90  65  90 /  30  20  30  50
Corrales........................  66  90  65  92 /  40  30  30  60
Los Lunas.......................  67  90  66  91 /  30  20  20  50
Placitas........................  64  87  63  88 /  40  30  30  60
Rio Rancho......................  68  89  66  90 /  40  30  30  60
Socorro.........................  67  91  67  91 /  30  20  20  40
Sandia Park/Cedar Crest.........  59  83  60  83 /  40  30  30  60
Tijeras.........................  62  85  62  86 /  40  30  30  60
Edgewood........................  59  85  59  85 /  40  30  30  50
Moriarty/Estancia...............  58  86  59  87 /  30  30  20  50
Clines Corners..................  56  81  57  82 /  30  20  20  40
Mountainair.....................  59  83  59  83 /  30  20  10  40
Gran Quivira....................  59  83  59  83 /  40  20  10  40
Carrizozo.......................  62  84  62  87 /  20  20   5  20
Ruidoso.........................  55  75  55  79 /  20  30   5  20
Capulin.........................  56  82  57  84 /   5  10   5  20
Raton...........................  56  86  57  88 /   5  20  10  30
Springer........................  56  84  56  88 /  10  20  10  40
Las Vegas.......................  53  80  54  82 /  20  30  10  50
Clayton.........................  60  87  62  89 /   5   5   0   0
Roy.............................  58  83  60  85 /  10  10   5  20
Conchas.........................  61  86  62  91 /  10   5   0  10
Santa Rosa......................  62  87  63  88 /  10  10   0  20
Tucumcari.......................  65  90  66  92 /   5   5   0   0
Clovis..........................  62  85  62  86 /   5   5   0   0
Portales........................  64  86  64  87 /   5   5   0   0
Fort Sumner.....................  65  88  65  89 /  10   5   0   0
Roswell.........................  68  90  67  90 /   5   5   0   5
Picacho.........................  62  83  62  84 /  10  10   5  10
Elk.............................  57  78  58  81 /  10  20   5  10

&&

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

&&

Hazardous Weather Outlook
National Weather Service Albuquerque NM
257 AM MDT Tue Jul 20 2021

NMZ201>241-211100-
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-
257 AM MDT Tue Jul 20 2021

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

.DAY ONE...Today and Tonight

Isolated to scattered thunderstorms are expected today and tonight.
Storm motions will be slow and rainfall could become locally heavy.
A few storms may also produce small hail and wind gusts to 50 mph.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Scattered to numerous thunderstorms are expected each afternoon and
evening. Storm motions will be slow and rainfall could become heavy.
This may lead to localized areas of flash flooding, with the greatest
risk below recent burn scars. Isolated locations may receive up to 2
inches of rain, especially along and west of the Continental Divide
Wednesday through Sunday. A few storms may also produce small hail
and wind gusts to 50 mph.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report rainfall amounts and flash flooding
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.

15

Special Weather Statement
National Weather Service Albuquerque NM
327 PM MDT Tue Jul 20 2021

NMZ221-202200-
Sandia/Manzano Mountains Including Edgewood-
327 PM MDT Tue Jul 20 2021

...SIGNIFICANT WEATHER ADVISORY FOR BERNALILLO COUNTY UNTIL 400 PM
MDT...

At 326 PM MDT, Doppler radar was tracking a strong thunderstorm over
Tijeras, or 15 miles east of Albuquerque, moving southwest at 10 mph.

Dime size hail and winds in excess of 40 mph will be possible with
this storm. Heavy rain will also be possible with this storm.

Locations impacted include...
Tijeras, Cedar Crest, Sedillo, Sandia Park, Cedro, Carnuel, San
Antonito and Canoncito in Bernalillo County.

This includes Interstate 40 between Mile Markers 170 and 183.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If threatening weather approaches your area, take shelter in a sturdy
building.

Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.

&&

LAT...LON 3505 10622 3492 10640 3503 10646 3507 10646
      3507 10648 3510 10648 3511 10649 3512 10649
      3516 10647 3520 10633
TIME...MOT...LOC 2126Z 055DEG 9KT 3509 10636

DPorter

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
340 PM MDT TUE JUL 20 2021

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

0304 PM     FLASH FLOOD      CEDAR CREST             35.11N 106.37W
07/20/2021                   BERNALILLO         NM   TRAINED SPOTTER

            WATER FLOWING OVER ROADWAYS FROM NM-14 TO PINON RIDGE.
            STORM DRAINS OVERWHELMED. ARROYOS ARE FULL AROUND CEDAR
            CREST. RAIN RATES BETWEEN 4 AND 5 INCHES PER HOUR.

&&

EVENT NUMBER ABQ202102462

GUYER

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Special Weather Statement
National Weather Service Albuquerque NM
435 PM MDT Tue Jul 20 2021

NMZ201-202300-
Northwest Plateau-
435 PM MDT Tue Jul 20 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL SAN JUAN COUNTY
UNTIL 500 PM MDT...

At 435 PM MDT, Doppler radar was tracking a strong thunderstorm 15
miles north of Farmington. This storm was nearly stationary.

Dime size hail, wind gusts up to 50 mph and heavy rain will be
possible with this storm.

Locations impacted include...
La Plata.

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.

&&

LAT...LON 3700 10812 3681 10815 3688 10856 3700 10851
TIME...MOT...LOC 2235Z 278DEG 3KT 3697 10828