August 2022

General Weather Discussions and Analysis
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jasons2k
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Maybe something for later?
CF144303-F239-4A4A-8E75-F14B653CBFBD.jpeg
Cpv17
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jasons2k wrote: Tue Aug 09, 2022 2:59 pm Another day of frustration. Cells downstream from me just can’t sustain growth. Meanwhile, over towards Liberty, the continuous building-up of those cells into a complex continues unabated and with no effort. :roll: :roll: :roll:

Before:

2703D4BA-07E4-4274-A71D-7D70991BEF91.png

After:

0A543B70-EC4B-47F9-81E6-E780E5881FA3.jpeg
You’ll probably get some rain Thursday or Friday. Hopefully.
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DoctorMu
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Stratton20 wrote: Mon Aug 08, 2022 7:20 pm Holy smokes its raining here in CS!!!! I can confirm water is now falling from
the sky!!😄😄😄😄😄🥲🥲
That cell jumped right over our house. Not a drop.
Stratton20
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DoctorMu i got about 5 minutes of light to occasionally moderate rain, doupy it accumulated to much though
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jasons2k
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Cpv17 wrote: Tue Aug 09, 2022 3:10 pm
jasons2k wrote: Tue Aug 09, 2022 2:59 pm Another day of frustration. Cells downstream from me just can’t sustain growth. Meanwhile, over towards Liberty, the continuous building-up of those cells into a complex continues unabated and with no effort. :roll: :roll: :roll:

Before:

2703D4BA-07E4-4274-A71D-7D70991BEF91.png

After:

0A543B70-EC4B-47F9-81E6-E780E5881FA3.jpeg
You’ll probably get some rain Thursday or Friday. Hopefully.

Yeah was supposed to last Thursday or Friday too…

I hope we do but I’ll believe it when I see it.

Lucy is trolling me big time at the moment. Cells very close but anything headed this way want to keep collapsing.
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jasons2k
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Wispy cloud tops now. Poof, as usual.
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DoctorMu
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A brief show at A&M. Not sure about home. Unlikely per radar.
Cpv17
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Showers popping up all around me but nothing but a couple sprinkles at my house. Been hearing thunder off and on for over an hour now.
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jasons2k
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This means everything in today’s AFD:
If these trends do unfold
IF…there’s that word again.
davidiowx
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I can’t complain considering I’ve had an inch or so in the last two weeks. Barely at 10” on the year which is atrocious. Literally had big storms every direction and barley got spit on here. I’ll take the clouds though. Hope the rest of this week is better for all of us.
Stratton20
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Looking down in the western Caribbean, that area of energy near the Yucatán may help to enhance rain chances thursday /friday as some of the moisture gets pulled NW
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DoctorMu
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Gott love unstable air descending toward us from the Red River to MS along a boundary and shortwave.

000
FXUS64 KHGX 092100
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
400 PM CDT Tue Aug 9 2022


.SHORT TERM [Through Wednesday Night]...

Isolated to widely scattered showers with a few thunderstorms
will continue to develop through early this evening, with better
chances north of 1-10. This is in response to a weak boundary and
mid-level shortwave extending along the Arklatex/Lower MS Valley.
These features are contributing to steep low-level lapse rates
along with strong/rich moisture transport with PWAT values above 2
inches.
This activity will linger through sunset, though some
showers may persist through late evening across our northern
counties.

The environment will remain unstable through the end of the
short-term with periods of showers and thunderstorms. Different
impulses of energy/vort max embedded in the flow aloft will move
southward into the region tonight into Wed night. In addition,
daytime heating and weak sea/bay breezes could lead to scattered
convection on Wed afternoon. [
b]Have increased PoPs to 50-60 percent
chance for Wednesday. [/b]Temperatures will remain near normal for
early August given increasing cloud cover and precipitation
chances. Wednesday`s highs will range from the mid to upper 90s
inland, mid to upper 80s along the coast.


05


.LONG TERM [Thursday Through Tuesday]...

Increased rain chances continue on Thursday and into the weekend
as weak shortwave energy pushes underneath the mid to upper level
ridge over the Central Plains/Rockies and into SE Texas. This
shortwave will help enhance uplift and support more widespread
showers and thunderstorms on Thursday and Friday as it enters the
Northwestern Gulf. PWATS sit in the range of around 2.0-2.3"
during this timeframe, which should provide plentiful moisture for
theses storms to develop. Decent mid to upper level moisture with
a warm cloud layer depth in excess of 10,000 ft will increase the
precipitation efficiency of these storms. WPC currently has
portions of our coastal areas under a marginal risk of excessive
rainfall on Thursday, where moisture and forcing are currently
most favorable for rain development. Models have also trended
higher with POPS over the same time frame, with the latest NBM
bringing rain chances near 85% in the afternoon. Opted to cap pops
at 75% to allow subsequent forecasts to ease into these higher
rain chances, should guidance continue to trend in this direction.
If these trends do unfold, we may see some much needed relief
from the dry conditions across the region. Residual shortwave
energy from a mid to upper level trough spanning across the
East/Southeast CONUS may round the bottom of the upper level ridge
to provide additional relief to portions of the region on
Saturday, though diminishing moisture will put rain chances on the
decline for the days following.

Conditions will still be fairly hot over the next several days,
though increased cloud cover and rainfall from any developing
showers and thunderstorms will help cool off portions of the
regions from Thursday through Saturday. With 850mb temperatures
ranging from 18-20C, highs will be in the mid to upper 90s inland
and upper 80s to lower 90s along the coast. Though, expect to see
variation in these numbers, as temperatures will largely depend on
the location and intensity of any developing storms.

Sunday and onwards, we begin to shift back into a normal
summertime pattern with the mid to upper level ridge shifting over
the Central/Southern plains. 850mb temperatures creep up into the
19-22C range, which will bring highs back into the mid 90s to
lower 100s across the region. Lack of upper level support with no
cap during the afternoon hours will lead to more diurnally driven
showers and thunderstorms along the sea breeze. PWATS also dwindle
down to around 1.6-1.9" further hampering rainfall and allowing
hot weather to return throughout the region. Notably, the latest
GFS run depicts a surface low setting up over the Central Plans on
Tuesday, drifting south towards into Oklahoma later in the day.
Though, the frontal boundary associated with it doesn`t appear to
reach our area yet.

03

&&

.AVIATION [18Z TAF Issuance]...

Showers and thunderstorms will continue to develop and move over
the terminals this afternoon. There will be two areas to monitor
for convection: (1) SHRA/TSRA along the sea/bay breezes this
afternoon and (2) additional activity coming from the north due
to a decaying outflow boundary. Precipitation should taper off
around 7-9pm. Showers are again expected along the coastal
terminals by early Wednesday morning, expanding inland by noon.
South to southeasterly light winds are expected, strengthening in
the afternoon. Otherwise, VFR conditions are expected through the
period.


&&

.MARINE...

Light to moderate onshore flow will prevail over the next several
days with seas sitting around 2-3 ft. Caution flags may be needed
during the overnight hours with nocturnal effects bringing
increased wind speeds near 15kts at times. Rain chances will
increase heading into Wednesday and onwards as weak disturbances
aloft pass over the region.

03

&&

.PRELIMINARY POINT TEMPS/POPS...

College Station (CLL) 76 100 76 98 76 / 20 50 30 60 30
Houston (IAH) 77 96 76 92 75 / 10 50 30 70 40
Galveston (GLS) 84 92 83 88 81 / 20 30 40 70 60

&&

.HGX WATCHES/WARNINGS/ADVISORIES...

TX...None.
GM...None.

&&

$$


SHORT TERM...Maldonado
LONG TERM...03
AVIATION...Maldonado
MARINE...03
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DoctorMu
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I see our little pocket of dry air getting squeezed between the southward moving boundary and impulses and the sea breeze.


https://www.star.nesdis.noaa.gov/GOES/s ... &length=24


Still, what if we get dry slotted tomorrow? Hopped over? Boundaries cancelling each other out. A lot can still go wrong.
user:null
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Good downpour today in Ft. Bend. No gauge, so don't know how much rain fell.

But more and more rain is really greening things up — a more verdant look with luxuriant green grass, foliage amongst a deep blue skie ... rather than the hazy "Rio Grande brushland" look with fazed out skies and browner landscape.
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DoctorMu
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DoctorMu wrote: Tue Aug 09, 2022 7:04 pm I see our little pocket of dry air getting squeezed between the southward moving boundary and impulses and the sea breeze.


https://www.star.nesdis.noaa.gov/GOES/s ... &length=24


Still, what if we get dry slotted tomorrow? Hopped over? Boundaries cancelling each other out. A lot can still go wrong.
On cue the boundary and seabreeze crashed together over us and damped down the instability. Another iso shower forms and drifts west of us.
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jasons2k
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Five day rainfall map from Fox 26. Another donut!!!
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Cpv17
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I finally cashed in just a few minutes later after my last post with a quarter inch. Now up to 9.8” on the year.
Cromagnum
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jasons2k wrote: Tue Aug 09, 2022 9:59 pm Five day rainfall map from Fox 26. Another donut!!!
I would not be surprised at all if that's what we get too.
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DoctorMu
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Actual FROPA about the 19th and end of the month per GFS...

Image

Image
Cpv17
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Finally it looks like the Euro is onboard with better rain chances.
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