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Next 12 Hours

Forecast data from the National Digital Forecast Database.

5 Day Forecast

• Tuesday
• 
• High: 93 °
• Low: 75 °
• Chance of a Thunderstorm

• Wednesday
• 
• High: 91 °
• Low: 75 °
• Partly Cloudy

• Thursday
• 
• High: 93 °
• Low: 75 °
• Partly Cloudy

• Friday
• 
• High: 91 °
• Low: 73 °
• Partly Cloudy

• Saturday
• 
• High: 90 °
• Low: 72 °
• Partly Cloudy

Area forecast discussion 
National Weather Service Corpus Christi Texas 
424 am CDT Tuesday may 21 2013 


Short-term (today through wednesday)...another very warm day on tap 
along with generally breezy conditions/windy across the southern coastal 
Bend....although winds will be a couple of knots less than previous 
couple of days. Onshore flow will continue to weaken tonight/Wednesday as 
an upper trough swings across Texas and pushes a frontal boundary across north 
and central Texas...thus relaxing the gradient across S Texas. Models forecast 
an inverted trough to develop across mex and along the Rio Grande this 
afternoon into tonight ahead of the frontal boundary. This will provide 
low level moisture convergence across the West County warning area by late 
afternoon/evening. Models forecast moisture to deepen across S Texas with 
precipitable waters  increasing to around 1.7 inches across the northwest County Warning Area by this 
afternoon. This pool of moisture then shifts east overnight. Models also forecast 
the environment to be unstable...however a strong cap will also be 
in place today but weakening somewhat tonight as low/middle level 
temperatures cool. Kept silent 10 probability of precipitation for today given the strong cap. As 
the upper trough nears the West County warning area by late afternoon and evening 
precipitation chances increase but kept a slight chance across the southern County Warning Area and 
low end chance across the northern County Warning Area tonight. Am expecting the better 
chances to remain north of the County Warning Area where the better dynamics will be 
located. Storm Prediction Center has a slight risk of severe weather just north of the County Warning Area with 
general tsra's across the County Warning Area. Am expecting that convection to the 
north and northwest of the area will weaken as it moves farther S and southeast 
across the County Warning Area tonight and into Wednesday morning. Could see elevated 
storms make it farther S due to steepening lapse rates. Kept a 
slight chance for the NE County Warning Area on Wednesday due to the upper system exiting 
to the NE and merging with the main upper low across the plains. 
Due to increased cloud cover...went a couple of degrees cooler 
today and again Wednesday. 


&& 


Marine...onshore flow will be moderate today but weakening 
throughout the afternoon and into tonight in response to a frontal 
boundary moving into central Texas and relaxing the pressure gradient across S 
Texas. A weak to moderate onshore flow will then persist on Wednesday. 


&& 


Long term (wednesday night through monday)...mostly quiet weather 
is anticipated across south Texas through the extended part of the 
forecast. Upper level ridge will nose northward into the area 
Wednesday night...and be the main weather feature across south Texas 
through the weekend. This will bring warm and mostly dry conditions 
to the region. Afternoon highs will generally be above normal with 
middle/upper 90s out west to near 90 across the Victoria Crossroads. 
Moisture does begin to creep back across the Rio Grande by the end 
of the week. Mountain convection over Mexico may be a possibility... 
but low confidence exists as to whether storms would make it into 
the western zones due to strong capping inversion. Do not feel it is 
Worth a mentionable pop at this time so will continue with a dry 
forecast. No significant changes made to the long term. 


&& 


Preliminary point temps/pops... 
Corpus Christi 90 77 92 74 92 / 10 20 10 10 10 
Victoria 89 76 89 73 90 / 10 30 20 10 10 
Laredo 100 76 98 76 99 / 10 20 10 10 10 
Alice 93 76 94 73 94 / 10 20 10 10 10 
Rockport 84 76 82 75 86 / 10 20 10 10 10 
Cotulla 99 74 96 73 97 / 10 30 10 10 10 
Kingsville 90 77 93 74 93 / 10 20 10 10 10 
Navy corpus 84 76 84 75 85 / 10 10 10 10 10 


&& 


Crp watches/warnings/advisories... 
Texas...none. 
GM...none. 


&& 


$$ 


Te/81...short term 
tb/78...long term