Baton Rouge, Louisiana
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Out lamby

1 year 6 months 3 weeks ago March 31, 2015 Mar 31, 2015 Tuesday, March 31 2015 March 31, 2015 4:59 AM in Weather
Source: WBRZ Weather Center
By: Meteorologist Josh Eachus

The month will end on a fairly quiet, "lamb-like" note with warmer than average temperatures and partly cloudy skies.


Today and Tonight: Our final day of March won't stray much from the script. Expect partly sunny skies with a bit of humidity and highs around 83°. A spotty shower isn't impossible, but even less likely today than yesterday. Overnight, patches of fog may return with lows in the low 60s.

Looking Ahead: On Wednesday and Thursday, a weak disturbance offers up slightly better chances for showers but rain coverage is still expected to stay in the 30% range. Skies will be mostly cloudy otherwise with some humidity out there, highs in the mid 80s and lows in the mid 60s. By Friday, a front will approach bringing isolated to scattered afternoon showers and thunderstorms. Temperatures for should peak for the week just ahead of this front in the mid to upper 80s. A shower could linger into early Saturday followed by a slightly cooler and drier afternoon in the 70s.


Forecast Discussion: Weak surface high pressure in the Southeastern Gulf of Mexico will drift to the northeast through Tuesday. Meanwhile, a zonal flow aloft should help to keep the region mostly dry. On Wednesday, a weak shortwave will traverse the South but will begin to shear out over Louisiana. Leftover moisture and lift will limp into the region providing lightly elevated rain chances compared to Monday and Tuesday. While the shower spread won't be impressive, we can expect a little more in the way of cloud cover compared to the previous few days. Forecast models seem to want to rekindle moisture for a shot at showers on Thursday as well, but the wave should be about gone east by the time we reach optimal thermal influences on Thursday Afternoon. Next up, a cold front moving through the southern branch of the jet stream will arrive on Friday. With some warmth and moisture, plus the lift of a front, at least a few showers and storms should fire but with sincerely lacking upper-level support, models are accordingly showing low precipitation output. Behind this "Pacific-based" front, humidity may notch down a touch along with temperatures, but no further than average as it stands right now. A continued parade of weak disturbances means we can't entirely eliminate spotty shower chances from Easter Weekend at this time.


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