September 2019 - Warm End of September

General Weather Discussions and Analysis
ccbluewater
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Re: September 2019 - Imelda Weakens. Flash Flood Watch/Heavy Rainfall Threat

Post by ccbluewater » Thu Sep 19, 2019 8:54 am

The southern line in NW Harris County starting to line up right over my house.

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srainhoutx
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Re: September 2019 - Imelda Weakens. Flash Flood Watch/Heavy Rainfall Threat

Post by srainhoutx » Thu Sep 19, 2019 8:54 am

Stepping out for a bit. Stay aware folks!
Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Humberto/Ike/Harvey

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tireman4
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Re: September 2019 - Imelda Weakens. Flash Flood Watch/Heavy Rainfall Threat

Post by tireman4 » Thu Sep 19, 2019 8:55 am

The Weather Company
SEVERE WEATHER
ALERT
Significant Weather Advisory
Weather Updated: Sep 19 9:25AM
Issued by the National Weather Service
For Inland Harris County, Texas
SIGNIFICANT WEATHER ADVISORY UNTIL 10:30AM CDT THU ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN MONTGOMERY... NORTHWESTERN CHAMBERS...EASTERN WALLER...SOUTHWESTERN LIBERTY AND CENTRAL HARRIS COUNTIES UNTIL 1030 AM CDT... AT 923 AM CDT, DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM BARRETT TO TOMBALL. MOVEMENT WAS SOUTHEAST AT 20 MPH. WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS. WET GROUND WILL MAKE TREES MORE SUSCEPTIBLE TO BEING KNOCKED OVER IN GUSTY WINDS. LOCATIONS IMPACTED INCLUDE... NORTHWESTERN PASADENA, BAYTOWN, DEER PARK, HUMBLE, GALENA PARK, TOMBALL, JACINTO CITY, LIBERTY, JERSEY VILLAGE, DAYTON, BEACH CITY, PINEHURST, CLOVERLEAF, DOWNTOWN HOUSTON, KINGWOOD, SECOND WARD, THE WOODLANDS, GREATER GREENSPOINT, SPRING AND GREATER HEIGHTS. 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. &&

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tireman4
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Re: September 2019 - Imelda Weakens. Flash Flood Watch/Heavy Rainfall Threat

Post by tireman4 » Thu Sep 19, 2019 8:55 am

srainhoutx wrote:
Thu Sep 19, 2019 8:54 am
Stepping out for a bit. Stay aware folks!

Do not be far, we may have to call you back to the Batphone!!!

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Re: September 2019 - Imelda Weakens. Flash Flood Watch/Heavy Rainfall Threat

Post by redneckweather » Thu Sep 19, 2019 9:09 am

All good just south of Lake Conroe Dam. I have a much needed total of 3 1/4" from this system so far. Not so good just east of me a few miles back towards town and into my buddies place in River Plantation. Lots of flooding going on over there.

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Re: September 2019 - Imelda Weakens. Flash Flood Watch/Heavy Rainfall Threat

Post by brooksgarner » Thu Sep 19, 2019 9:13 am

PWATs are pretty wild today. Lots of moisture to support major hourly totals.
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srainhoutx
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Re: September 2019 - Imelda Weakens. Flash Flood Watch/Heavy Rainfall Threat

Post by srainhoutx » Thu Sep 19, 2019 9:20 am

New Flash Flood Emergency Warning coming further S into Harris County
Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Humberto/Ike/Harvey

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Re: September 2019 - Imelda Weakens. Flash Flood Watch/Heavy Rainfall Threat

Post by davidiowx » Thu Sep 19, 2019 9:20 am

Well I can report that all is good down in Fort Bend county. If the line to the North continues to come down and merge with the inflow, things may get a little hairy this afternoon. The PWATs Mr. Garner posted above looks like the bottom could fall out for those of us on the SW side of town later today.

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Re: September 2019 - Imelda Weakens. Flash Flood Watch/Heavy Rainfall Threat

Post by srainhoutx » Thu Sep 19, 2019 9:22 am

BULLETIN
REMNANTS OF IMELDA ADVISORY NUMBER 9
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD AL112019
1000 AM CDT THU SEP 19 2019

...SIGNIFICANT AND LIFE THREATENING FLASH FLOODING IS ONGOING
THIS MORNING ACROSS PORTIONS OF FAR SOUTHEAST TEXAS...


SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...30.5N 95.5W
ABOUT 55 MI...90 KM N OF HOUSTON TEXAS
ABOUT 55 MI...85 KM E OF COLLEGE STATION TEXAS
MAXIMUM SUSTAINED WINDS...25 MPH...35 KM/H
PRESENT MOVEMENT...NW OR 319 DEGREES AT 6 MPH...9 KM/H
MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES


WATCHES AND WARNINGS
--------------------
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

FLASH FLOOD EMERGENCIES ARE IN EFFECT FOR PARTS OF SOUTHEASTERN
TEXAS.

FLASH FLOOD WATCHES ARE IN EFFECT FOR PARTS OF EASTERN TEXAS AND
WESTERN LOUISIANA.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA, INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS, PLEASE MONITOR PRODUCTS ISSUED BY YOUR
LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE.


DISCUSSION AND OUTLOOK
----------------------
AT 1000 AM CDT (1500 UTC), THE REMNANTS OF IMELDA WERE LOCATED NEAR
LATITUDE 30.5 NORTH, LONGITUDE 95.5 WEST. THE REMNANTS ARE MOVING
TOWARD THE NORTH NEAR 3 MPH (5 KM/H) AND THIS MOTION IS EXPECTED
TO INCREASE TO 6 MPH (9 KM/H) AND SHIFT TOWARD THE NORTHWEST BY
2100 UTC.

MAXIMUM SUSTAINED WINDS ARE NEAR 25 MPH (35 KM/H) WITH HIGHER GUSTS.
CONTINUED WEAKENING IS EXPECTED FOR THE NEXT 12 HOURS BEFORE
WEAKENING INTO AN OPEN WAVE/TROUGH WITHIN THE NEXT 24 HOURS.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1010 MB (29.83 INCHES).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: IMELDA IS EXPECTED TO PRODUCE THE FOLLOWING RAINFALL
AMOUNTS THROUGH FRIDAY:

ACROSS THE UPPER TEXAS COAST INTO FAR SOUTHEAST TEXAS...ADDITIONAL 4
TO 8 INCHES WITH ISOLATED STORM TOTALS OF 30 TO 40 INCHES.

ACROSS PORTIONS OF SOUTHWEST LOUISIANA...ADDITIONAL 3 TO 5 INCHES
WITH ISOLATED TOTALS OF 10 INCHES.

REST OF EAST TEXAS...2 TO 4 INCHES WITH ISOLATED TOTALS AROUND 8
INCHES.

THESE RAINFALL TOTALS MAY PRODUCE SIGNIFICANT TO LIFE THREATENING
FLASH FLOODS.

TORNADOES: ISOLATED TORNADOES WILL BE POSSIBLE TODAY OVER PARTS OF
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS.


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY AT 400 PM CDT.

$$
FORECASTER WPC FORECASTER

FORECAST POSITIONS AND MAX WINDS

INIT 19/1500Z 30.5N 95.5W 20 KT 25 MPH
12H 20/0000Z 31.2N 96.1W 15 KT 15 MPH...INLAND
24H 20/1200Z...DISSIPATED
Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Humberto/Ike/Harvey

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Re: September 2019 - Imelda Weakens. Flash Flood Watch/Heavy Rainfall Threat

Post by txbear » Thu Sep 19, 2019 9:26 am

srainhoutx wrote:
Thu Sep 19, 2019 9:20 am
New Flash Flood Emergency Warning coming further S into Harris County
Probably about time to bug out of my office in the Galleria area, wouldn't you think srain?

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