MAY 2019: Wednesday Storm Complex/Scattered Showers To End May

Tue May 07, 2019 3:34 pm

sau27 wrote: ↑Tue May 07, 2019 3:29 pm I'm curious as to what is keeping Houston proper relatively dry between these thunderstorms. Hard to believe there is still capping in place with these storms all around. Is it subtle boundaries that just have anchored down to the north and south of town?

Call it luck of the draw? We had a short but impressive thundershower in NW Harris County around 11:00 AM that dropped a quick 3rd of an inch in 10 minutes and just spotty sprinkles since then. Current thinking is a Flash Flood Watch may be needed Thursday into Saturday across the Region. Tomorrow looks like the "driest day" of the work week. We'll see how that plays out.

Tue May 07, 2019 3:35 pm

Flooding here in Pasadena...

Many of the model runs yesterday and even early this morning had much of this activity west of I-45 and really developing north of I-10. Needless to say, take any of the short range mesoscale models with a grain of salt this week into the weekend. Like last week, they are behaving poorly.

Tue May 07, 2019 3:36 pm

Evidently its "nowcasting" as models arent behaving...

Tue May 07, 2019 3:39 pm

radar looks to be "sky writing" over our area - what's it spelling ?

Screenshot_2019-05-07 sp3comp gif (GIF Image, 1080 × 840 pixels).png

Tue May 07, 2019 3:42 pm

I've picked up 1.40 inches with that thunderstorm over Fort Bend county.

Tue May 07, 2019 3:45 pm

srainhoutx wrote: ↑Tue May 07, 2019 3:16 pm Another Severe Thunderstorm Warning for the Kingwood Area.

Kingwood just got battered again pretty bad. Wow. Just keeps reforming. Some sever lightening too, worse I've seen in a while. Just constant close strikes.

Tue May 07, 2019 3:46 pm

Kingwood/Humble Area cannot catch a break...

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
327 PM CDT TUE MAY 7 2019

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEASTERN TEXAS...
NORTH CENTRAL HARRIS COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 530 PM CDT.

* AT 325 PM CDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN SLOWLY MOVING ACROSS THE WARNED AREA. THREE TO FIVE
INCHES OF RAIN HAVE ALREADY FALLEN ACROSS PARTS OF THE WARNING
AREA, AND AN ADDITIONAL 2 TO 4 INCHES OF RAIN IS POSSIBLE WHICH
COULD LEAD TO FLASH FLOODING. FLASH FLOODING COULD BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HUMBLE, KINGWOOD, PATTON VILLAGE, ROMAN FOREST, WOODBRANCH, LAKE
HOUSTON, PORTER AND NEW CANEY.

Tue May 07, 2019 3:49 pm

Little Vince Bayou in Pasadena is flooding. Also seeing reports of over 7 inches of rainfall in portions of Brazoria County

Tue May 07, 2019 3:53 pm

srainhoutx wrote: ↑Tue May 07, 2019 3:49 pm Little Vince Bayou in Pasadena is flooding. Also seeing reports of over 7 inches of rainfall in portions of Brazoria County

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
337 PM CDT TUE MAY 7 2019

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
SOUTHERN FORT BEND COUNTY IN SOUTHEASTERN TEXAS...
NORTH CENTRAL BRAZORIA COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 530 PM CDT.

* AT 336 PM CDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. ONE TO TWO INCHES OF RAIN HAS
ALREADY FALLEN, AND AN ADDITIONAL 2 TO 4 INCHES COULD QUICKLY FALL
AND LEAD TO FLASH FLOODING. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SOUTHWESTERN PEARLAND, SOUTHWESTERN SUGAR LAND, SOUTHERN MISSOURI
CITY, ROSENBERG, RICHMOND, FRESNO, NEEDVILLE, ARCOLA, IOWA COLONY,
PLEAK, FAIRCHILDS, BEASLEY, THOMPSONS, GREATWOOD, SIENNA
PLANTATION, BRAZOS BEND STATE PARK, JULIFF AND ROSHARON.

Tue May 07, 2019 4:00 pm

Streets are starting to flood near the South Belt.

Tue May 07, 2019 4:07 pm

will there be flooding in downtown areas tonight? I gotta go down there!

Tue May 07, 2019 4:13 pm

art3 wrote: ↑Tue May 07, 2019 4:07 pm will there be flooding in downtown areas tonight? I gotta go down there!

Getting there will be the issue depending on where you are traveling from. Thanks for posting and we know you've been following for awhile! We've had a lot of folks lurking about lately and we encourage everyone to join in our weather conversations!

Tue May 07, 2019 4:19 pm

I live in meyerland area- so paranoid

Tue May 07, 2019 4:27 pm

art3 wrote: ↑Tue May 07, 2019 4:19 pm I live in meyerland area- so paranoid

I totally understand. Many of us have experienced some much headache and stress since Memorial Day, Tax Day and Harvey.

Tue May 07, 2019 4:30 pm

Northbound East Belt Pasadena BLvd -shut down due to high water

Tue May 07, 2019 4:30 pm

Mesoscale Precipitation Discussion 0202
NWS Weather Prediction Center College Park MD
509 PM EDT Tue May 07 2019

Areas affected......Southeast Texas to adjacent western LA...

Concerning...Heavy rainfall...Flash flooding possible

Valid 072109Z - 080109Z

SUMMARY...Convection across southeast Texas to adjacent western LA
presents a threat for localized flash flooding this afternoon...

DISCUSSION...Convection is persisting where low-mid level moist
onshore flow has produced an axis of above normal moisture with
precipitable water values near 2 inches along the southeast Texas
coast. The 18z NAM indicates continued bands of moist confluent
flow with 700 mb convergence and 300 mb divergence maxima
supporting continuing bands and clusters of heavy showers/storms.

Forecast soundings show a classic warm advection profile across
southeast Texas with net southerly motion from the surface to 700
mb resulting in a north motion to the areas of showers/storms.
Additional cells are likely due to RAP forecast 700 mb vertical
motions and high relative humidity in an environment where the SPC
mesoscale analysis shows mixed layer CAPE values near 2000 j/kg.

Locally heavy rainfall has already occurred down by Houston and
additional shower/storm mergers should result in additional
pockets of locally heavy rain.
The high res guidance has struggled in the placement and timing of
rainfall, with the last couple of runs of the RAP picking up on
the location of heaviest activity.

Activity should wind down this evening once the atmosphere
stabilizes and the intensity of the low level convergence wanes.
The 20z high Res Rapid Refresh/18z Nam Conus Nest show clusters of
2-3 inches with isolated 4 inch maxima in southeast Texas.
Isolated flash flooding is possible in these persistent
thunderstorms.

Petersen

ATTN...WFO...EWX...FWD...HGX...LCH...SHV...

Tue May 07, 2019 4:41 pm

Rain gauge showing 3.2 inches.

Tue May 07, 2019 4:47 pm

Why isnt there qny action south of i 10 near brazoria county aka Freeport or lake jackson..is the capp still in place?

Tue May 07, 2019 4:48 pm

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Houston/Galveston TX
414 PM CDT Tue May 7 2019

The National Weather Service in League City has issued a

* Severe Thunderstorm Warning for...
Central Fort Bend County in southeastern Texas...

* Until 445 PM CDT.

* At 414 PM CDT, a severe thunderstorm was located over Fairchilds,
or 7 miles southeast of Rosenberg, moving west at 5 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
Rosenberg, Richmond, Needville, Pleak, Fairchilds, Beasley,
Thompsons, Cumings and Greatwood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Tue May 07, 2019 4:56 pm

Rosharon area go pounded hard for a couple of hours. Will have to check rain gauge when I get home. Looks like it shifted west over to Fort Bend

MAY 2019: Wednesday Storm Complex/Scattered Showers To End May

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