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Next 12 Hours

Forecast data from the National Digital Forecast Database.

5 Day Forecast

• Thursday
• 
• High: 88 °
• Low: 73 °
• Partly Cloudy

• Friday
• 
• High: 88 °
• Low: 72 °
• Partly Cloudy

• Saturday
• 
• High: 86 °
• Low: 70 °
• Partly Cloudy

• Sunday
• 
• High: 86 °
• Low: 66 °
• Partly Cloudy

• Monday
• 
• High: 84 °
• Low: 70 °
• Partly Cloudy

Area forecast discussion 
National Weather Service Houston/Galveston Texas 
959 PM CDT Wednesday may 22 2013 


Discussion... 
early evening showers and thunderstorms that developed generally between 
Columbus and Houston have dissipated. Do not expect any additional development 
overnight. Update forecast products are out. 42 
&& 


Previous discussion... /issued 706 PM CDT Wednesday may 22 2013/ 


Discussion... 
00z aviation discussion below. 


Aviation... 
with late afternoon temperatures exceeding 90f...thunderstorms 
firing upon mesoscale residual boundaries over southwestern 
Houston...may reach hobby's vicinity in next hour. Scattered 
showers were in kiah's air space within last hour. Activity will 
be quickly waning once sun sets...no more surface heating to drive 
this localized convection. Overnight wind field will slacken...and 
within this very moist environment...IFR decks/MVFR br is expected 
from around midnight through the early Thursday morning hours. Decks 
lifting/scattering out shortly after sunrise through late morning... 
few to sky clear under an early easterly/vrb veering southeasterly 8-12 
knots PM wind. Sea breeze boundary marching inland may have near-coastal 
terminal winds more easterly through early afternoon...near 10 knots 
southerlies under sky clear by 19-20z (once boundary makes its way north 
of hub). 31 


Previous discussion... /issued 351 PM CDT Wednesday may 22 2013/ 


Discussion... 
the weak frontal/outflow boundary over the southern zones appears 
to be washing out this afternoon. Not a lot (if any) development noted 
so far and it does look like the cap is holding. 


Not a lot of changes with this next forecast package as southeast Texas seems to 
be settling into our more normal summertime pattern with the pers- 
istent low-level onshore flow combined with up ridging aloft. This 
ridge is prognosticated to breakdown early next week as a series of short 
waves push across the Southern Plains these next couple of days. Whilst 
the tracks of these disturbances are expected to remain well north 
of the region...the tail end of these systems could effect the far 
northern parts of our County warning forecast area Fri/Sat. Thus no real arguments with the low 
probability of precipitation already in the grids for this timeframe. Otherwise...a mostly 
dry (pops not rh) forecast with temperatures at (around) seasonal norms these 
next several days. 41 


&& 


Preliminary point temps/pops... 
College Station (cll) 72 91 71 90 70 / 10 10 10 20 10 
Houston (iah) 72 90 72 90 71 / 10 10 10 10 10 
Galveston (gls) 75 81 74 82 73 / 10 10 10 10 10 


&& 


Hgx watches/warnings/advisories... 
Texas...none. 
GM...none. 
&& 


$$ 


Discussion...42 
aviation/marine...31