SE TX/SW LA weather: Much cooler and WET after Tuesday

U.S. & Caribbean Weather Discussions and Severe Weather Events

Moderator: S2k Moderators

Forum rules

The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or STORM2K.

Help Support Storm2K
Message
Author
User avatar
vbhoutex
Storm2k Executive
Storm2k Executive
Posts: 29112
Age: 73
Joined: Wed Oct 09, 2002 11:31 pm
Location: Cypress, TX
Contact:

Re: SE TX/SW LA weather:Spring, is that you?

#4461 Postby vbhoutex » Mon Mar 29, 2010 11:08 am

Morning email from Jeff Lindner:
After another very windy weekend, high pressure has built into the region overnight with strong NW winds relaxing under another below normal morning.

High pressure overhead today and Tuesday will allow for lighter winds and continued below normal temperatures for the last few days of March. Lows back into the 40’s each morning with gradual warming of the highs into the mid 70’s looks reasonable through Wednesday under mostly sunny skies.

All forecast concerns this morning lay in the extended for Friday and Saturday as the next upper level storm system moves toward TX. Upper level pattern change with a developing trough over the SW US versus the east coast will usher in a few days of moist return flow off the Gulf of Mexico…something we have seen little of this spring . Expect surface ridge to move east of the region Wed with southerly winds returning and gradual increasing moisture levels. Dewpoints should reach into the 60’s by late Thursday as 40-50kt low level jet develops from S TX through the coastal bend into N TX. GFS shows dewpoints pushing 65-70 by late Friday as a stout dry line develops over central TX. Strong dynamics come to bear across TX Friday afternoon/night with good wind energy and for what appears to be the first time this spring some decent instability. Expect the dry line to begin to surge eastward Friday afternoon and ignite strong to severe convection over central TX. Wind profiles favor rapid upgrowth into a linear MCS or squall line with favorable profiles for numerous bowing segments. Timing for impacts into SE TX and the coastal bend region look to be after midnight into early Saturday morning. We are still 5-6 days out for this event and much can/will change with regards to convective parameters over the next few days…two important questions will be cap intensity building out of NE Mexico and quality of returning Gulf air mass.

Sytem should be east of the area by Saturday afternoon with dry and mild conditions for next Sunday. For now will disreagrd the GFS solution showing the upper trough cutting off of TX and keeping rain chances into Sunday.

Bumpy Fri/Sat?
0 likes   
Skywarn, C.E.R.T.
Please click below to donate to STORM2K to help with the expenses of keeping the site going:
Image

User avatar
vbhoutex
Storm2k Executive
Storm2k Executive
Posts: 29112
Age: 73
Joined: Wed Oct 09, 2002 11:31 pm
Location: Cypress, TX
Contact:

Re: SE TX/SW LA weather:80's late week? Storms late week?

#4462 Postby vbhoutex » Thu Apr 01, 2010 11:01 pm

Getting a heavy mist-enough for wipers needed-which wasn't expected. It isn't a fog, but it isn't "wetting" the roads yet. Maybe we're going to have more moisture available than originally thought??
0 likes   
Skywarn, C.E.R.T.
Please click below to donate to STORM2K to help with the expenses of keeping the site going:
Image

User avatar
srainhoutx
S2K Supporter
S2K Supporter
Posts: 6919
Age: 67
Joined: Sun Jan 14, 2007 11:34 am
Location: Haywood County, NC
Contact:

Re: SE TX/SW LA weather:80's late week? Storms late week?

#4463 Postby srainhoutx » Fri Apr 02, 2010 7:37 am

HGX thoughts this morning. Cap looks to be the limiting factor, but I do see some breaks in the low stratus deck and drizzle from last night in NW Harris County this morning. We shall see, but folks N of I-10 may be in for some bumpy weather later today.

TIGHT SFC PRESSURE GRADIENT RESULTING IN GUSTY SOUTH WINDS ACROSS
THE CWA EARLY THIS MORNING. SFC DEWPOINTS HAVE CLIMBED INTO THE
LOWER/MID 60S...BUT LOW LEVEL MOISTURE REMAINS QUITE SHALLOW WITH
PWS STILL UNDER AN INCH OVER THE AREA. AXIS OF LOW LEVEL JET WILL
SHIFT OVER THE AREA TODAY WHICH WILL ALLOW PWS TO INCREASE TO
1.4-1.6 INCHES BY MIDDAY. UPPER TROUGH NOW OVER NEW MEXICO WILL
SHIFT EAST ACROSS THE SRN PLAINS TODAY. ASSOCIATED SFC DRYLINE NOW
OVER WEST TX WILL APPROACH THE WESTERN CWA LATE THIS AFTN THEN
PUSH SLOWLY ACROSS SE TX TONIGHT. 00Z CRP/LCH SOUNDINGS SHOWED A
MONSTROUS CAP IN THE 700-900 MB LAYER WHICH IS GOING TO BE
DIFFICULT TO OVERCOME. IN ADDITION...EXTENSIVE CLOUD COVER ACROSS
THE AREA TODAY IS LIKELY TO LIMIT SFC HEATING. GFS BUFR SOUNDINGS
EVEN AT KLFK SHOW THE LIKELIHOOD OF THE CAP HOLDING MOST OF THE
DAY. AT 00Z...GFS SHOWS THE BEST LOW LEVEL INSTABILITY (CAPES
1000-2000 J/KG) OVER THE FAR WESTERN/NORTHERN AREAS GENERALLY
WEST OF AN EDNA TO NAVASOTA TO CROCKETT LINE JUST AHEAD OF THE
DRYLINE. SO EXPECTING SEVERE THREAT TO BE LIMITED TO FAR NRN/WRN
ZONES LATE AFTN/EARLY EVENING. THE PRIMARY SEVERE WEATHER THREAT
WILL BE DAMAGING WINDS AND HAIL BUT STRONG LOW LEVEL SHEAR
SUPPORTS AN ISOLATED TORNADO THREAT AS WELL. THE CONVECTION
EXPECTED TO WEAKEN AS IT PUSHES EASTWARD THROUGH THE AREA THIS
EVENING AS AIRMASS QUICKLY STABILIZES. HAVE TAPERED POPS FROM
LIKELY FAR NORTH TO 20S/30S COAST.
0 likes   
Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Ike/Harvey

Member: National Weather Association
Wx Infinity Forums
http://wxinfinity.com/index.php

Facebook.com/WeatherInfinity
Twitter @WeatherInfinity

User avatar
jasons2k
Storm2k Executive
Storm2k Executive
Posts: 8245
Age: 51
Joined: Wed Jul 06, 2005 12:32 pm
Location: The Woodlands, TX

Re: SE TX/SW LA weather:80's late week? Storms late week?

#4464 Postby jasons2k » Sat Apr 03, 2010 12:13 am

Some storms to the NW...

Image
0 likes   

User avatar
srainhoutx
S2K Supporter
S2K Supporter
Posts: 6919
Age: 67
Joined: Sun Jan 14, 2007 11:34 am
Location: Haywood County, NC
Contact:

Re: SE TX/SW LA weather:80's late week? Storms late week?

#4465 Postby srainhoutx » Sat Apr 03, 2010 2:38 pm

What a beautiful day. Temp just hit 87 here in NW Harris County. I believe this is the highest temps since last October. Hope everyone has a very Happy Easter! Almost pool time. 8-)
0 likes   
Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Ike/Harvey

Member: National Weather Association
Wx Infinity Forums
http://wxinfinity.com/index.php

Facebook.com/WeatherInfinity
Twitter @WeatherInfinity

User avatar
southerngale
Retired Staff
Retired Staff
Posts: 27418
Joined: Thu Oct 10, 2002 1:27 am
Location: Southeast Texas (Beaumont area)

#4466 Postby southerngale » Sat Apr 03, 2010 2:49 pm

84 here. Wow, what a difference from yesterday where it mostly stayed in the upper 60s with clouds/rain. I believe this is the first time this year that I've made it into the 80s. Great weather for Easter!
0 likes   
Please support Storm2k by making a donation today. It is greatly appreciated! Click here: Image

Image my Cowboys Image my RocketsImage my Astros

User avatar
jasons2k
Storm2k Executive
Storm2k Executive
Posts: 8245
Age: 51
Joined: Wed Jul 06, 2005 12:32 pm
Location: The Woodlands, TX

Re: SE TX/SW LA weather:80's late week? Storms late week?

#4467 Postby jasons2k » Sat Apr 03, 2010 6:08 pm

I hit 92F here today - wow!!!
0 likes   

User avatar
southerngale
Retired Staff
Retired Staff
Posts: 27418
Joined: Thu Oct 10, 2002 1:27 am
Location: Southeast Texas (Beaumont area)

#4468 Postby southerngale » Sun Apr 04, 2010 1:26 am

Wow, Jason! Late in the afternoon, my high was 86 and I doubt it ever got any higher than that. Officially, only 84 at the airport. But 90s... wow! My first day even in the 80s. lol
0 likes   
Please support Storm2k by making a donation today. It is greatly appreciated! Click here: Image

Image my Cowboys Image my RocketsImage my Astros

User avatar
vbhoutex
Storm2k Executive
Storm2k Executive
Posts: 29112
Age: 73
Joined: Wed Oct 09, 2002 11:31 pm
Location: Cypress, TX
Contact:

Re: SE TX/SW LA weather:80's late week? Storms late week?

#4469 Postby vbhoutex » Sun Apr 04, 2010 8:44 am

Jason are you sure you didn't have the plant heaters on? :lol: We did get to 86F here at the house, We're now having some very light rain with a light breeze. Had a gustnado yesterday too. Looked up and saw it literally raining and twirling around all of the new growth pollen pods off the oaks. As it continued it moved out of our yard into the apartments behind us and that is when it became obvious it was a gustnado. Meanwhile I am suffering with my allergies. UGH!!
0 likes   
Skywarn, C.E.R.T.
Please click below to donate to STORM2K to help with the expenses of keeping the site going:
Image

User avatar
Ptarmigan
Category 5
Category 5
Posts: 5313
Joined: Wed Aug 16, 2006 9:06 pm

Re: SE TX/SW LA weather:80's late week? Storms late week?

#4470 Postby Ptarmigan » Sun Apr 04, 2010 9:03 pm

We could use some rain right about now. I can smell summer is coming soon.
0 likes   

User avatar
vbhoutex
Storm2k Executive
Storm2k Executive
Posts: 29112
Age: 73
Joined: Wed Oct 09, 2002 11:31 pm
Location: Cypress, TX
Contact:

Re: SE TX/SW LA weather:80's late week? Storms late week?

#4471 Postby vbhoutex » Sun Apr 04, 2010 9:07 pm

Ptarmigan wrote:We could use some rain right about now. I can smell summer is coming soon.

Definitely could use some good rain showers or even minor boomers to clean the air and nourish the grass and plants.
0 likes   
Skywarn, C.E.R.T.
Please click below to donate to STORM2K to help with the expenses of keeping the site going:
Image

User avatar
jasons2k
Storm2k Executive
Storm2k Executive
Posts: 8245
Age: 51
Joined: Wed Jul 06, 2005 12:32 pm
Location: The Woodlands, TX

Re: SE TX/SW LA weather:80's late week? Storms late week?

#4472 Postby jasons2k » Tue Apr 06, 2010 9:53 am

From Jeff:

Strong onshore flow continues to pump low level moisture into the area this morning. Low level stratus deck in not as thick and higher based than recent mornings, and would expect this deck to break and scatter by late morning as opposed to early afternoon.

Main forecast concern focuses around convective chances on Wednesday and winds this afternoon. Already getting 30-35mph gust over the coastal bend locations this morning and with the onset of heating and deeper mixing of the low level jet above the surface expecting some healthy winds today. Strongest winds will be found over the Matagorda Bay area southward toward CRP.

Next storm system will arrive into the plains Wednesday with strong surface low pressure lifting toward the Great Lakes. Main dynamics will pass well north of SE TX, but southern edge of colder mid level temperatures and lift will sweep across at least the northern half of SE TX late Wednesday. Impressive capping noted on CRP and LCH soundings this morning will have to be weakened and breached to allow thunderstorms to develop. Latest NAM guidance completely erodes this feature by Wednesday afternoon while the GFS maintains at least some degree of inhibition. Cold front (and a fairly strong one for early April) will arrive into SE TX early Wed afternoon and reach the coast toward early to mid evening. This timing supports the best lift will coincide with the strongest heating and best opportunity to break the capping inversion. Models are not overly aggressive with rain chances or convection, but instead show a broken line of showers/thunderstorms. Recent events have failed to break the capping inversion as the models have been under-forecasting its intensity of late. I am tempted to side with the low rain chances and stronger inversion, however SPC has outlooked a good part of the area for a slight risk of severe thunderstorms and long period of moist southerly flow off the Gulf has finally returned some decent quality moisture to the area. Feel a few parcels will breach the inversion and develop into strong/severe thunderstorms Wednesday afternoon/evening. Best chances will be over our NE counties with the lowest chances around Matagorda Bay where the cap will be strongest. Will need to closely watch trend early Wednesday for additional defining of the severe weather threat…it is one of those situations where you could get a good round of storms or nothing at all.

Post frontal air mass is chilly for early April and will see lows back into the 40’s for many locations Thursday and Friday mornings with highs in the upper 60’s to lower 70’s. Return flow off the Gulf begins by Saturday ahead of a fairly strong looking system over the SW US early next week. W TX dry line looks to form up with active thunderstorm chances Mon-Tues of next week.
0 likes   

Jagno
Category 3
Category 3
Posts: 825
Joined: Tue Sep 07, 2004 10:40 pm
Location: SW Louisiana

Re: SE TX/SW LA weather: Another cold front!?!? 40's for lows

#4473 Postby Jagno » Tue Apr 06, 2010 9:16 pm

Thanks for the update from Jeff. Although we could use a "little" rain this system could really do some damage to alot of newly spouting garden plants. And what is this about a COLD front? Our forecast for Thursday still indicates that it will be in the mid 70's. I have about 20 more plants I was going to plant tomorrow but I think I just may give it another day or two now. Hope everyone has been enjoying this beautiful sunshine before we start sweltering.
0 likes   

User avatar
jasons2k
Storm2k Executive
Storm2k Executive
Posts: 8245
Age: 51
Joined: Wed Jul 06, 2005 12:32 pm
Location: The Woodlands, TX

Re: SE TX/SW LA weather: Another cold front!?!? 40's for lows

#4474 Postby jasons2k » Wed Apr 07, 2010 10:07 am

Another update from Jeff:

A slight risk of strong and severe thunderstorms this afternoon and evening across the area.

Strong cold front by April standards currently extends from the west side of Dallas to north of Del Rio and is moving SE around 15mph. Radar show little to no activity along the boundary at this time. South winds continue to pump low level moisture into the region with surface dewpoints in the mid to upper 60’s all across S and E TX. Evening soundings yesterday showed a monstrous capping inversion around 800mb over S and SC TX into SE TX and this large and stable warm nose must be overcome to allow deep convection to develop this afternoon and evening. The ways to overcome such an inversion is to: heat the low level below it at the surface, cool the layer in which the cap is present, or force surface parcels through the cap through strong low level lifting along a boundary. Today will feature all three of the aspect above working together to help erode the capping, but it is still in question if it can be overcome allowing thunderstorms to develop. While frontal lift looks decent along with heating this morning and a favorable frontal timing (mid to late afternoon…peak heating), mid level winds do veer SW with time helping to draw the warm air over S TX at the 800mb level toward SE TX this afternoon. The base of the trough over the southern plains will bring a glancing blow of cooler mid level temperatures close with the frontal lift and this may be the key is getting things going.

SPC has outlooked the entire region as far SW as Victoria. If surface parcels can breach the inversion, storms may quickly go severe given favorable low level instability on the order of 2000 J/kg. SPC threat seems on the high side and really far SW, but they are siding with isolated severe convection developing along the boundary versus scattered or widespread activity. Feel the best threat will be over our NE counties closest to the cooler mid level temperatures and in the region where the capping inversion has the best chance of being breached. Close watch is needed today on the intensity of the inversion and some of that should be known with the morning sounding data.

Front and any associated activity will be off the coast by mid to late evening with cold air advection onsetting. Very dry and cool air mass for April will overspread the region late tonight into early Thursday with strong offshore flow. Dewpoints tank into the 30’s and lows on Thursday will be at least 20 degrees colder than this morning. Nice weather with lows in the upper 40’s and highs in the low 70’s on Friday under a dry air mass. Return flow begins Saturday and Gulf moisture returns slowly to the region. Next rain chances may be around Tues-Wed of next week.
0 likes   

User avatar
jasons2k
Storm2k Executive
Storm2k Executive
Posts: 8245
Age: 51
Joined: Wed Jul 06, 2005 12:32 pm
Location: The Woodlands, TX

Re: SE TX/SW LA weather: Another cold front!?!? 40's for lows

#4475 Postby jasons2k » Wed Apr 07, 2010 10:08 am

Jagno wrote:Thanks for the update from Jeff. Although we could use a "little" rain this system could really do some damage to alot of newly spouting garden plants. And what is this about a COLD front? Our forecast for Thursday still indicates that it will be in the mid 70's. I have about 20 more plants I was going to plant tomorrow but I think I just may give it another day or two now. Hope everyone has been enjoying this beautiful sunshine before we start sweltering.


I don't think we have anything to worry about from a gardening perspective with this system - no threat of a freeze or frost from it. If anything, just some beneficial rains (if they materialize). Plant away... :D
0 likes   

User avatar
jasons2k
Storm2k Executive
Storm2k Executive
Posts: 8245
Age: 51
Joined: Wed Jul 06, 2005 12:32 pm
Location: The Woodlands, TX

Re: SE TX/SW LA weather: Another cold front!?!? 40's for lows

#4476 Postby jasons2k » Wed Apr 07, 2010 10:55 am

Unfortunately, not anything helpful...just 'wait and see':

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
955 AM CDT WED APR 7 2010

.UPDATE...
MORNING UPDATE BELOW.

&&

.DISCUSSION...
AT 14Z...A COLD FRONT EXTENDED FROM JUST WEST OF PARIS TO TEMPLE
TO JUST NORTH OF HONDO. THE FRONT IS A BIT FASTER THAN MODELS
INDICATE. FEEL THE NAM 12 INITIALIZED WELL AND WILL LEAN IN THAT
DIRECTION THIS AFTERNOON. 12Z SOUNDINGS SHOW A STRONG CAP IN PLACE
AT BOTH CRP AND LCH WITH WEAKER CAPPING AT DRT AND SHV. A SPEED
MAX WAS LOCATED NEAR AMARILLO AND THIS WILL PLACE SOUTHEAST TEXAS
IN A RRQ LATER THIS AFTERNOON. DYNAMICS/FRONTAL CONVERGENCE VERSES
THE CAP...NOT SURE WHICH FEATURES WILL DOMINATE.
NAM 12 SHOWS A
DECENT LINE OF STORMS OVER THE NORTHEAST AND DRY OVER THE
SOUTHWEST ZONES. CURRENT FORECAST TRNEDS THIS WAY SO WILL NOT
CHANGE POPS/WEATHER GRIDS. TWEAKED TEMPS UPWARD DUE TO THE WARM
START AND SLIGHTLY LOWER WINDS SPEEDS. NEW ZONES OUT SHORTLY
0 likes   

User avatar
PTrackerLA
Category 5
Category 5
Posts: 5277
Age: 41
Joined: Thu Oct 10, 2002 8:40 pm
Location: Lafayette, LA

Re: SE TX/SW LA weather: Another cold front!?!? 40's for lows

#4477 Postby PTrackerLA » Wed Apr 07, 2010 1:52 pm

Sadly, I smell a drought coming on. Already almost 6" behind our normal yearly rainfall and it's only April 7th. Don't expect much from this system and the extended forecast is not promising.
0 likes   

User avatar
jasons2k
Storm2k Executive
Storm2k Executive
Posts: 8245
Age: 51
Joined: Wed Jul 06, 2005 12:32 pm
Location: The Woodlands, TX

Re: SE TX/SW LA weather: Another cold front!?!? 40's for lows

#4478 Postby jasons2k » Wed Apr 07, 2010 1:56 pm

PTrackerLA wrote:Sadly, I smell a drought coming on. Already almost 6" behind our normal yearly rainfall and it's only April 7th. Don't expect much from this system and the extended forecast is not promising.


I'm getting concerned myself PTracker. This El Nino helped replenish the deficit but it never caught us up completely - and we've been running a deficit all year. Seems like almost every event this spring gets squashed by the cap. If a few more of these pass us by, the heat will turn on for summer and we'll get into this dreaded dry feedback pattern again.
0 likes   

User avatar
vbhoutex
Storm2k Executive
Storm2k Executive
Posts: 29112
Age: 73
Joined: Wed Oct 09, 2002 11:31 pm
Location: Cypress, TX
Contact:

Re: SE TX/SW LA weather: Another cold front!?!? 40's for lows

#4479 Postby vbhoutex » Wed Apr 07, 2010 3:31 pm

jasons wrote:
PTrackerLA wrote:Sadly, I smell a drought coming on. Already almost 6" behind our normal yearly rainfall and it's only April 7th. Don't expect much from this system and the extended forecast is not promising.


I'm getting concerned myself PTracker. This El Nino helped replenish the deficit but it never caught us up completely - and we've been running a deficit all year. Seems like almost every event this spring gets squashed by the cap. If a few more of these pass us by, the heat will turn on for summer and we'll get into this dreaded dry feedback pattern again.


Apparently, I am not the only one who is thinking the drought switch has been flipped. This is already looking way too familiar. VERY similar to last year at this time. IIRC. Or this may actually be coming on earlier than it did last year. :(
0 likes   
Skywarn, C.E.R.T.
Please click below to donate to STORM2K to help with the expenses of keeping the site going:
Image

User avatar
srainhoutx
S2K Supporter
S2K Supporter
Posts: 6919
Age: 67
Joined: Sun Jan 14, 2007 11:34 am
Location: Haywood County, NC
Contact:

Re: SE TX/SW LA weather: Another cold front!?!? 40's for lows

#4480 Postby srainhoutx » Wed Apr 07, 2010 4:07 pm

SE TX is about to get going. Sea breeze just moved past my location and now seeing some lightening N of Huntsville.
0 likes   
Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Ike/Harvey

Member: National Weather Association
Wx Infinity Forums
http://wxinfinity.com/index.php

Facebook.com/WeatherInfinity
Twitter @WeatherInfinity


Return to “USA & Caribbean Weather”

Who is online

Users browsing this forum: Cpv17 and 23 guests