Sunday, July 9, 2017

Jul. 9 17

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


Summary: The day was mostly cloudy, hot, and mostly sunny. Isolated, mostly light to moderate with some moderately heavy showers and maybe a few thunderstorms started to pop up, during the late morning and became scattered thunderstorms during the late evening. The scattered thunderstorms lasted through the early and maybe the whole late night. Stratus and stratocumulus clouds looked to cover most of the sky, during the morning and afternoon. Stratus and stratocumulus with some nimbus clouds, looked to cover most of the sky, during the early evening and then the whole sky, during the late evening and night. The wind speeds looked to be calm with a gentle breeze and maybe some moderate to moderately strong gusts. It felt warm during the early morning. It felt very warm, during the mid-morning and early evening. It felt hot during the late morning. It felt very hot, during the afternoon. There were various watches, warnings, weather statements, alerts, and advisories with the thunderstorms that passed through the Houston, TX area, during the late evening and night. The low temps were in the 70's and the high temps were in the 90's, for the Houston, TX area.


Storm Summary: Severe thunderstorms embedded with heavy rain, started to pop up in and around the north and northwest Houston, TX area, during the late evening, and traveled slowly southwest through the night, causing flash flooding, some possible power outages, and cloud to ground lightning strikes with some strong gusty winds, possibly up to 60 mph in some areas of Houston, TX.


My Storm Summary: Lots of lighting and loud rumbles of thunder at my house in northwest Houston, TX, during the late evening and night. There looked to be some cloud to ground strikes. (My houses power did go out for a second as I was writing this weather report.) I didn't see, or witness any flooding at my house. I stayed at my house during the thunderstorms. Just lots of ongoing heavy rain and loud rumbles of thunder with maybe a few strong gusty winds.

I also did start to see some showers and thunderstorms on the horizon, on my way to a Petsmart in  Katy, TX, during the mid and late afternoon, and then I saw a few lightning strikes and heard some distant rumbles of thunder on my way back to my house in northwest Houston, TX, during the early evening.


Locations: Northwest Houston, TX, Cypress, TX, and Katy, TX.


Thoughts: Well the rain and lightning with loud rumbles of thunder is still continuing at my house. I am glad that the plants are getting some much needed water. I hope I will be able to drive into work tomorrow. The rain should stop soon, according to NOAA. We will see.



Flood Advisory

Flood Advisory
National Weather Service Houston/Galveston TX
845 PM CDT SUN JUL 9 2017

TXC071-201-291-339-100345-
/O.NEW.KHGX.FA.Y.0151.170710T0145Z-170710T0345Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Montgomery TX-Chambers TX-Liberty TX-Harris TX-
845 PM CDT SUN JUL 9 2017

The National Weather Service in League City has issued a

* Flood Advisory for...
  Southeastern Montgomery County in southeastern Texas...
  Northwestern Chambers County in southeastern Texas...
  Southern Liberty County in southeastern Texas...
  Central Harris County in southeastern Texas...

* Until 1045 PM CDT.

* At 844 PM CDT, Doppler radar and automated rain gauges indicated a
  line of storms producing heavy rainfall. Embedded cells within the
  line will produce very heavy hourly rain rates which in turn will
  cause minor flooding in the advisory area.

* Some locations that will experience flooding include...
  Humble, Katy, Liberty, Dayton, Hunters Creek Village, Bunker Hill
  Village, Piney Point Village, Downtown Houston, Northside /
  Northline, Greenway / Upper Kirby Area, Kingwood, Spring Branch
  North, Greater Greenspoint, Spring, Greater Heights, Neartown /
  Montrose, Barrett, Near Northside Houston, Greater Fifth Ward and
  Aldine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 2973 9544 2970 9564 2980 9582 2984 9548
      3014 9553 3018 9510 3035 9468 3011 9460
      3011 9444 3004 9445

$$

Flood Advisory

Flood Advisory
National Weather Service Houston/Galveston TX
804 PM CDT SUN JUL 9 2017

TXC201-339-473-100400-
/O.NEW.KHGX.FA.Y.0150.170710T0104Z-170710T0400Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Montgomery TX-Waller TX-Harris TX-
804 PM CDT SUN JUL 9 2017

The National Weather Service in League City has issued a

* Flood Advisory for...
  Southwestern Montgomery County in southeastern Texas...
  Northeastern Waller County in southeastern Texas...
  Northwestern Harris County in southeastern Texas...

* Until 1100 PM CDT.

* At 802 PM CDT, Doppler radar indicated heavy rain due to
  thunderstorms in the area. It appears there will be a merger
  between some of these cells in northwest Harris County which could
  further enhance hourly rainfall rates. This in turn will cause
  minor flooding in the advisory area.

* Some locations that will experience flooding include...
  Katy, Tomball, Jersey Village, Pinehurst, northern Addicks Park
  Ten, The Woodlands, Hockley, Stagecoach, Hooks Airport, Westbranch,
  Fairbanks / Northwest Crossing, Willowbrook, Cypress, Carverdale,
  Greater Inwood and Central Northwest.

LAT...LON 3026 9556 2984 9548 2981 9582 3010 9590

$$

Flash Flood Warning

Flash Flood Warning
TXC201-100430-
/O.NEW.KHGX.FF.W.0027.170710T0132Z-170710T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Houston/Galveston TX
832 PM CDT SUN JUL 9 2017

The National Weather Service in League City has issued a

* Flash Flood Warning for...
  Northwestern Harris County in southeastern Texas...

* Until 1130 PM CDT.

* At 831 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Rainfall rates between 2 and 4
  inches per hour have been observed. Flash flooding is expected to
  begin shortly.

* Some locations that will experience flooding include...
  Tomball, Jersey Village, Willowbrook, Cypress and Hooks Airport.

LAT...LON 2984 9570 3003 9580 3008 9568 3011 9556
      2994 9551

$$

Area Forecast Discussion 
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 100214
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
914 PM CDT Sun Jul 9 2017

.UPDATE...
Convection that has consolidated south and parallel to Spring
Creek is slowly beginning to show signs of weakening as its
associated outflow boundary races through the city at the top of
the 9 PM hour. If this activity follows the rules...then expect
this overall line to weaken as it moves into metro but still drop
another (less than an) inch or two more of rain across northern
and central Harris and southern Liberty Counties through 10-11 PM.
Short range models have early Monday morning showers/storms
festering in Galveston Bay`s vicinity and points eastward (maybe
focusing on remnants of the tonight`s outflow?). Either way...
anticipating another late morning through early evening round of
clustering convection to fill in the radar screen Monday. 31

&&

.PREV DISCUSSION... /ISSUED 655 PM CDT Sun Jul 9 2017/

AVIATION...
Expect we`re going to see another merger w/ east Tx storms and
those ongoing se Tx...followed by a southern movement back into
the metro area. Boundary mergers are enhancing storm strength and
rain rates, so would anticipate some 20-40mph gusts and 1nm visby
in the strongest cells. With the loss of heating, we`ll loose some
instability as the evening wears on, so anticipate a general
weakening trend. But precip may be an issue for the next several
hours. Conditions transitioning to VFR areawide toward midnight.
Rinse/repeat with the same cycle as previous days on Mon with sct
storm development in the afternoon and evening hours inland, early
morning offshore.  47

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)      76  96  77  96  75 /  70  60  50  30  10
Houston (IAH)              78  94  78  94  77 /  70  50  40  40  20
Galveston (GLS)            82  89  82  89  81 /  30  40  20  30  20

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...NONE.
&&

$$

Discussion...33

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