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OCTOBER 2018 - Stormy Halloween

General Weather Discussions and Analysis

Re: OCTOBER 2018 - Stormy Halloween

Postby srainhoutx » Wed Oct 31, 2018 5:54 pm


SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
651 PM CDT WED OCT 31 2018

SAN JACINTO TX-WALKER TX-WASHINGTON TX-WALLER TX-GRIMES TX-
COLORADO TX-POLK TX-INLAND HARRIS TX-MONTGOMERY TX-HOUSTON TX-
AUSTIN TX-TRINITY TX-
651 PM CDT WED OCT 31 2018

...LINE OF STRONG THUNDERSTORMS MOVING THROUGH AREA...

AT 648 PM CDT, DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM 6 MILES SOUTH OF FOREST TO NEAR HUNTSVILLE TO 8
MILES WEST OF HEMPSTEAD TO NEAR SCHULENBURG. MOVEMENT WAS EAST AT 25
MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 30 TO 40 MPH WILL BE POSSIBLE
WITH THESE STORMS. RAINFALL AMOUNTS OF 1 TO 2 INCHES IN AN HOUR WILL
BE POSSIBLE WITH THE STORMS.

LOCATIONS IMPACTED INCLUDE...
CONROE, HUNTSVILLE, TOMBALL, NAVASOTA, SEALY, HEMPSTEAD, WILLIS,
PRAIRIE VIEW, BELLVILLE, COLUMBUS, EAGLE LAKE, PINEHURST, APPLE
SPRINGS, THE WOODLANDS, HOCKLEY, TRINITY, WALLER, PANORAMA VILLAGE,
WEIMAR AND ONALASKA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS, AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THESE STORMS MAY INTENSIFY, SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Humberto/Ike/Harvey

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Re: OCTOBER 2018 - Stormy Halloween

Postby BlueJay » Wed Oct 31, 2018 6:43 pm

Our storms have frightened many of our TRICK OR TREATERS tonight but we have had a few wet ghosts and goblins come by. So far everyone has been safe and happy. It's currently raining cats and dogs.

I'm wishing this weather board a Happy Halloween.

October 2018 is about done. Be safe.
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Re: OCTOBER 2018 - Stormy Halloween

Postby jasons » Wed Oct 31, 2018 6:47 pm

The cell coming in near western part of The Woodlands needs to be watched for rotation.
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Re: OCTOBER 2018 - Stormy Halloween

Postby don » Wed Oct 31, 2018 7:10 pm

The squall line is almost starting to look more like a mesoscale convective system than a typical linear squall line.
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Re: OCTOBER 2018 - Stormy Halloween

Postby srainhoutx » Wed Oct 31, 2018 7:33 pm

8:30 PM Update from Jeff:

Slow moving band of heavy rainfall extends from The Woodlands to Katy and is moving toward the SE at 10-15mph.

Rainfall totals in the last 2-3 hours have averaged 2-3 inches over NW Harris, Waller, and SW Montgomery Counties. This is result in rises on area creeks in these areas. Little Cypress Creek at Becker Rd has risen to within 3 ft of bankfull and additional rainfall over the upper portions of Little Cypress Creek will likely result in this portion of the creek reaching bankfull this evening.

Due to the slow motion of this line, additional rainfall amounts of 1-2 inches on top of what has already fallen is possible. Think most of the larger creeks (Cypress, Spring, ect) will easily be able to handle this rainfall, bu upper Little Cypress Creek and later this evening lower South Mayde Creek (around Greenhouse) will likely rise toward or exceed bankfull. Impacts at both locations are fairly minor even just above bankfull.

Heavy rainfall will likely move back over areas already hard hit with 2-3 inches of rainfall late this afternoon from Missouri City to Westbury to TMC to Pasadena. Since that time, rainfall has ended allowing Willow Waterhole and Brays Bayou to crest and begin to fall, but this channels remain elevated. Additional heavy rainfall will likely result in new rises later this evening on these watersheds, but at this time no channel flooding is expected along these two watersheds.

Heavy rainfall rates will likely lead to street flooding as already experienced this afternoon on the south side of Harris County especially in areas of poor drainage and areas of construction.

Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Humberto/Ike/Harvey

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Re: OCTOBER 2018 - Stormy Halloween

Postby Cpv17 » Wed Oct 31, 2018 7:42 pm

We just lost power here right outside of Wharton.
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Re: OCTOBER 2018 - Stormy Halloween

Postby don » Wed Oct 31, 2018 7:51 pm

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
843 PM CDT WED OCT 31 2018

The National Weather Service in League City has issued a

* Tornado Warning for...
Central Harris County in southeastern Texas...

* Until 900 PM CDT.

* At 843 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Langwood, or near Spring Valley, moving northeast
at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.

* This dangerous storm will be near...
Northwestern Northside / Northline and Hidden Valley around 855 PM
CDT.
Aldine, Greater Greenspoint and southwestern Bush Intercontinental
Airport around 900 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
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Re: OCTOBER 2018 - Stormy Halloween

Postby Cromagnum » Wed Oct 31, 2018 8:33 pm

Finally got to Houston. 9 hours after our original time. Now stuck in baggage claim because they aren't unloading anything until the weather settles down. Travel day from hell.
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Re: OCTOBER 2018 - Stormy Halloween

Postby jasons » Wed Oct 31, 2018 8:48 pm

Cromagnum wrote:Finally got to Houston. 9 hours after our original time. Now stuck in baggage claim because they aren't unloading anything until the weather settles down. Travel day from hell.


Glad you made it to Houston safely. Be safe getting home - it's stormy. You will sleep like a baby in your own bed tonight :)
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Re: OCTOBER 2018 - Stormy Halloween

Postby Cpv17 » Wed Oct 31, 2018 10:56 pm

Great rain we had here tonight! Picked up 2.1” without any severe weather.
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