Texas Fall-2014

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Ntxw
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Re:

#1461 Postby Ntxw » Mon Nov 17, 2014 8:07 pm

northjaxpro wrote::uarrow: That's right Ntwx. The origin of the next cold spell doesn't look to be from the Arctic regions like this current one the nation is experiencing. However, it will still be below normal and the GFS is hinting at a rather potent cold core mid-upper Low developing early next week somewhere from the Southern Plains to the Lower MS Valley next week. Last night's run of the GFS Parallel had the cold core Low actually lowering 500mb heights significantly to along the TX coast and deep into the NW GOM. I actually posted those runs on the Florida thread last night.


Yep, second severe weather season. I'd watch out in dixie in the coming week.

Anyway this is how El Nino works and have below average winters cool to cold. In between cold blasts you have stormy weather keeping averages below. Until the next blast. Then if you're lucky you can thread the needle and intersect the two, that'll happen after mid December. Last year had a freak amount of cold blasts, dipping into the teens multiple times, but in between lack of stormy weather things were allowed to warm up quickly with transient air masses. Lower heights is the key to prolonging below normal.
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#1462 Postby northjaxpro » Mon Nov 17, 2014 8:17 pm

:uarrow: Yeah, the potential for a wet pattern may be coming for the Florida peninsula and along the Gulf Coast and Deep South if you believe the GFS for the Sunday - Tuesday period next week.
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Re: Texas Fall-2014

#1463 Postby cycloneye » Mon Nov 17, 2014 9:23 pm

Note=Go to the ENSO Updates thread and see the latest update of the PDO. The latest sign yet that El Nino is more closer than ever to be declared officially.
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Re: Texas Fall-2014

#1464 Postby Ntxw » Mon Nov 17, 2014 9:25 pm

cycloneye wrote:Note=Go to the ENSO Updates thread and see the latest update of the PDO. The latest sign yet that El Nino is more closer than ever to be declared officially.


That is some great news for us Texas folks. That makes almost a full Calendar year of +PDO readings. We haven't seen that in over 10 years. The cold PDO is currently on hiatus, and with such a strong +PDO signal I think the result of the Pacific will be more inclined with a mod Nino precip wise in the coming months even though technically a weak Nino is present. EPO/PNA blocking clearly is reflecting the +PDO signature.
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#1465 Postby gboudx » Mon Nov 17, 2014 10:38 pm

5 days in advance, DFW NWS is throwing a 70% chance for Saturday. Steve McCauley is saying the disturbance is coming in negative tilt. All good signs for much needed rain. It will probably dampen and potentially make some dangerous conditions for high school playoff games on Saturday.
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#1466 Postby Ntxw » Mon Nov 17, 2014 11:36 pm

Strange patch of cloud cover is crossing the state. It's showing some strange temperature variations across the metroplex. I wonder if this will give wxman57 a close but no cigar almost freeze?

Image
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Re:

#1467 Postby weatherdude1108 » Tue Nov 18, 2014 12:02 am

Interesting! Looks like they are wrapping in from the north and developing to our west. This happened with our last freeze forecast for upper 20s. Ended up at 31. Where are they coming from? +PDO effects, with an El Niño undercurrent? Just a total wild guess.
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Re: Re:

#1468 Postby Ntxw » Tue Nov 18, 2014 12:11 am

weatherdude1108 wrote:Interesting! Looks like they are wrapping in from the north and developing to our west. This happened with our last freeze forecast for upper 20s. Ended up at 31. Where are they coming from? +PDO effects, with an El Niño undercurrent? Just a total wild guess.


It's a little disturbance within the flow. It's happened quite a few times during this outbreak. When it tries to clear the clouds just roll back in. I don't know what it is, usually HP just squashes everything and strong CAA. In the background I'm sure those things are influencing in some way, but I can't say for sure that is it for these individual disturbances themselves. I guess the mid and upper atmosphere is just more moist than we think it is.
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Re: Re:

#1469 Postby somethingfunny » Tue Nov 18, 2014 12:37 am

Ntxw wrote:
weatherdude1108 wrote:Interesting! Looks like they are wrapping in from the north and developing to our west. This happened with our last freeze forecast for upper 20s. Ended up at 31. Where are they coming from? +PDO effects, with an El Niño undercurrent? Just a total wild guess.


It's a little disturbance within the flow. It's happened quite a few times during this outbreak. When it tries to clear the clouds just roll back in. I don't know what it is, usually HP just squashes everything and strong CAA. In the background I'm sure those things are influencing in some way, but I can't say for sure that is it for these individual disturbances themselves. I guess the mid and upper atmosphere is just more moist than we think it is.


I wonder if there won't be any surprise sleet pellets or flurries like we saw back on November 12
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#1470 Postby Rgv20 » Tue Nov 18, 2014 1:04 am

Tonight's forecast low called for 40....at midnight its already 36!!
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#1471 Postby KatDaddy » Tue Nov 18, 2014 6:43 am

A fast moving cirrus shield has led to slightly warmer overnight temps with many areas in SE TX remaining at 31-32F and a few mid to upper 30s. Near the coast Galveston remains in the low 40s. The cirrus shield will likely create a beautiful sunrise. Mid 50s today as the warming trend begins. Highs in the mid 70s across SE TX by the end of the week however this will also bring increasing rain and thunderstorm chances. Models continue to indicate a possible severe weather event beginning Saturday across Central and SE TX pushing into the Lower MS Valley. The SPC has Central and SE TX highlighted with at least a 30% chance of severe storms Saturday.
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Re:

#1472 Postby wxman57 » Tue Nov 18, 2014 6:45 am

Ntxw wrote:Strange patch of cloud cover is crossing the state. It's showing some strange temperature variations across the metroplex. I wonder if this will give wxman57 a close but no cigar almost freeze?


Freezing at every airport in Houston BUT IAH. Saw the clouds last evening and knew they'd keep IAH above freezing. Still a shot for the next 2 hours though.
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Re: Texas Fall-2014

#1473 Postby JDawg512 » Tue Nov 18, 2014 6:51 am

The cloud deck has definitely kept temperatures warmer than originally forecast. It dipped briefly to 32 a few hours ago here at my place, but has since risen above freezing.
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Re: Re:

#1474 Postby TexasBreeze » Tue Nov 18, 2014 8:41 am

wxman57 wrote:
Ntxw wrote:Strange patch of cloud cover is crossing the state. It's showing some strange temperature variations across the metroplex. I wonder if this will give wxman57 a close but no cigar almost freeze?


Freezing at every airport in Houston BUT IAH. Saw the clouds last evening and knew they'd keep IAH above freezing. Still a shot for the next 2 hours though.


It did hit 32 in between obs at IAH!:)
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#1475 Postby Ntxw » Tue Nov 18, 2014 9:04 am

Indeed they did, congratulations wxman57! Houston (IAH) hit 32.

DFW is at its 6th freeze surpassing last November. At the moment the monthly average is 49.2F, good enough for top spot as coldest November. It will rise a little as the cold eases. We'll need a thanksgiving cold outbreak of some sort to maintain the record, but a top 5 finish at least looks good.
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Re:

#1476 Postby srainhoutx » Tue Nov 18, 2014 9:08 am

Ntxw wrote:Indeed they did, congratulations wxman57! Houston (IAH) hit 32.


HGX is working on the climate report right now and will verify if in fact IAH did hit 32F between the hourly obs.
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#1477 Postby gatorcane » Tue Nov 18, 2014 9:09 am

long-range ECMWF by day 10 dropping the next Arctic blast south. Here we go again it looks like :cold:

Day 9:
Image

Day 10:
Image
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Re: Texas Fall-2014

#1478 Postby srainhoutx » Tue Nov 18, 2014 9:13 am

It is now official: IAH had a low of 32 degrees F on 11/18/14. :wink:
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#1479 Postby TeamPlayersBlue » Tue Nov 18, 2014 9:22 am

Congrats WXman57! My heart sank when you said you didnt see it on obs. Great call. I got to 33.1F this am. Some clouds around but its bright and sunny. The clouds moving in isnt a shocker. I remember talking about it alot this summer. Clouds would build quickly during the day. Quicker than normal. Like Ntx said, maybe more moisture in the upper levels. Fine with me. Pressure reading was 30.56 this am. Pretty high for us.
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#1480 Postby texas1836 » Tue Nov 18, 2014 9:37 am

Just check the app on my phone (connected to my weather center in McKinney) and registered a low of 19, currently sitting at 22.
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