Monday, September 11, 2017

Sep. 11 17

Northwest Houston, TX, during the early morning.
Northwest Houston, TX, during the early evening.
Northwest Houston, TX, during the late evening.


Summary: The day was very warm, sunny, and dry. No rain. I didn't see any rain on the Houston, TX radar. I didn't see, feel, or hear any rain drops. Alto stratus looked to cover part of the sky in the distance, during the early morning. Alto stratus clouds with maybe some stratus and stratocumulus clouds looked to have become widely scattered across the sky, sometime, during the late, or maybe mid-morning. Alto stratus with maybe some stratus and stratocumulus clouds still looked to be widely scattered across the sky, during the afternoon and maybe parts of the early evening. The sky looked to be becoming clear, during the early evening. The sky looked to be clear with maybe still some cirro stratus clouds, during the late evening and night. The wind speeds looked to be calm with gentle to moderate gusts with some moderately strong gusts. It felt a little cool, during the early and mid-morning. It started to feel very warm, during the late morning. It felt very warm with a little cool wind, during the early afternoon. It felt very warm, almost hot, during the mid and late afternoon and early evening. It started to feel warm, during the late evening. It felt warm, during the night. There was an Air Quality Alert issued for the Houston, TX area. There were no other watches, warnings, alerts, advisories, or weather statements/outlooks issued for the Houston, TX area, that I know of. The low temps looked to be in the 60's with maybe some 50's and the high temps looked to be in the 80's, for the Houston, TX area.


Houston, TX Storm Summary: There are still road closures going on in the Houston, TX area. I do not know if there are still roads covered with water in the Houston, TX area. I didn't see any rain on the Houston, TX radar, during anytime of the day, so I don't think any of the areas in and around the Houston, TX got any rain. I didn't hear about any storm damages.


My Storm Summary: I didn't see, feel, or hear any rain drops. I didn't see any flooding, or wet roads. I didn't see any storm clouds, hear any thunder, or see any lightning.


Locations: Northwest Houston, TX.


Thoughts: It looks like it is going to be a pretty rain less week, except for maybe a few showers on Saturday.


Area Forecast Discussion 
Issued by NWS Houston/Galveston, TX
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000
FXUS64 KHGX 112322
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
622 PM CDT Mon Sep 11 2017

.AVIATION.../00Z TAF/
Again visual flight rules for all SE Texas terminals. Winds
decouple overnight and increase from NNW tomorrow.

Overpeck

&&

.PREV DISCUSSION... /ISSUED 345 PM CDT Mon Sep 11 2017/

DISCUSSION...
With the upper ridge to the west and Irma moving further inland to
our east, the deep northerly flow that has been in place will con-
tinue across the region the next couple of days. Will keep max/min
temps around persistence given this persistent pattern. Otherwise,
not too many changes until maybe Wed night/Thur when onshore winds
return as surface pressures fall to the west and rise to the east.
This return flow is progged to remain light through the end of the
week as RH levels/temperatures slowly climb. While some of the low
level moisture will likely mix out during the afternoons on Thurs/
Fri, there could be enough by Sat for an isolated SHRA or two near
the coast. Strengthening onshore winds over SE TX this weekend (in
response to this next upper trof moving across the Central Plains)
will make for much more noticeable low-level moisture around these
parts. This along with high temps in the low (to possibly mid) 90s
(as the upper ridge builds over the region) will bring summer back
to SE TX through perhaps the first half of next week. Also of note
this continued dry forecast cycle does seem to highlight this pro-
longed lack of rain since those wet wet days of Harvey. 41

MARINE...
Swells have moved into the Upper Texas coastal waters into the mid
afternoon period:  Buoy 42035, about 20 nm east of Galveston, had 4
foot seas with a period of 13 seconds; while buoy 42019, about 60 nm
south of Freeport, had seas of 7 feet with a period of 10 seconds.
The WNAwave model showed better impacts from the swells to the
south of Matagorda today and tonight. However, the current swells
occurring at both of the aforementioned buoys should peak during
the late afternoon and early evening hours. Should see these
diminishing overnight tonight and Tuesday morning. Tide levels at
the Galveston Bay entrance did reach 3 feet above the mean lower
low water levels early today and can expect these to occur once
again tonight. The model continues to keep the possibility of 3
feet through Thursday evening. Main impacts around the time of
high tide this evening will be the possibility of wave runup and
moderate to strong rip currents this evening with the increased
swells. Don`t think the rip current impact will be as strong as
what would be needed for a statement but will continue to monitor
the Galveston Beach Patrol for updates. Even with the tide levels
remaining nearly steady Tuesday night through Thursday,
diminishing swells should lead to diminished impact.

Kept the Small Craft Advisory for the offshore waters through
this evening due mainly to the seas. Improving conditions are
expected Tuesday through the mid-week period. Light to
occasionally moderate offshore flow will gradually become onshore
by Thursday and continuing into the weekend.

40

FIRE WEATHER...
Conditions continued to dry across Southeast Texas, especially short-
term fuels. Relative humidity values drop to 30 to 35 percent over
many inland areas this afternoon, Tuesday afternoon, and Wednesday
afternoon. Although rainfall from Harvey ended just two weeks ago,
the dry northerly winds of the past week and a half has help dry out
the short term fuels. Onshore winds should help alleviate the
situation with moisture return from off of the Gulf of Mexico by
Thursday. Until them, elevated fire weather conditions will be
possible each afternoon.

40

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)      65  89  66  89  68 /   0   0   0   0   0
Houston (IAH)              63  87  66  88  70 /   0   0   0   0   0
Galveston (GLS)            71  87  75  87  77 /   0   0   0   0   0

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...SMALL CRAFT SHOULD EXERCISE CAUTION until 7 PM CDT this evening
     for the following zones: Coastal waters from Freeport to
     the Matagorda Ship Channel out 20 NM...Coastal waters from
     High Island to Freeport out 20 NM.

     Small Craft Advisory until 7 PM CDT this evening for the
     following zones: Waters from Freeport to the Matagorda Ship
     Channel from 20 to 60 NM...Waters from High Island to
     Freeport from 20 to 60 NM.

&&

$$

Discussion...39
Aviation/Marine...39

Air Quality Alert for Harris County, Texas
Issuing Office: Houston/Galveston
Source: National.Weather.Service
2:27pm CDT, Mon Sep 11

... OZONE ACTION DAY TUESDAY... * THE TEXAS COMMISSION ON ENVIRONMENTAL QUALITY (TCEQ)... HAS ISSUED AN OZONE ACTION DAY FOR THE HOUSTON... GALVESTON... AND BRAZORIA AREAS FOR TUESDAY SEPTEMBER 12 2017. ATMOSPHERIC CONDITIONS ARE EXPECTED TO BE FAVORABLE FOR PRODUCING HIGH LEVELS OF OZONE POLLUTION IN THE HOUSTON... GALVESTON AND SURROUNDING AREAS ON TUESDAY. YOU CAN HELP PREVENT OZONE POLLUTION BY SHARING A RIDE... WALKING... RIDING A BICYCLE... TAKING YOUR LUNCH TO WORK... AVOIDING DRIVE THROUGH LANES... CONSERVING ENERGY AND KEEPING YOUR VEHICLE PROPERLY TUNED. FOR MORE INFORMATION ON OZONE: OZONE: THE FACTS (WWW.TCEQ.TEXAS.GOV/AIRQUALITY/MONOPS/OZONEFACTS.HTML) EPA AIR NOW: (WWW.AIRNOW.GOV/INDEX.CFM?ACTION=AIRNOW.LOCAL_CITY&CITYID=236) TAKE CARE OF TEXAS: (WWW.TAKECAREOFTEXAS.ORG/AIR/AIRQUALITY)

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