ROLLTIDE
12-20-2005, 11:48 AM
Area Forecast Discussion
National Weather Service New Orleans La
422 Am Cst Tue Dec 20 2005
.discussion...
Latest Upper Air Analysis Revealed A Short Wave From Southern Iowa
To East Plains Of Colorado. Surface Analysis Showed A 1032mb High
Over Mid South. Short Range Models Are In Agreement The Short Wave
Diving Southeast And Digging Over Red River Valley Today And Over
Southeast Louisiana And South Mississippi This Evening. Lower
Levels From The Surface To 875mb Remains Dry Through Tonight.
However...moisture Associated With Short Will Advect In 850mb And
Above. Model Sounding At Mcb Revealed Precipitation Processes
Occurring At 4kft To 8kft Below Freezing...melting And Evaporating
In The Lower Levels Near Surface This Afternoon Through Tonight.
Will Reinsert Slight Chances Of Very Light Rain...unidentified
Precipitation...ip...is Possible This Evening To Midnight.
However...precipitation Will Be Light ... Slightly Above Trace
Amounts. Lowered Thickness Will Maintain Temps Near Normal Until
Friday.
_________________
National Weather Service New Orleans La
422 Am Cst Tue Dec 20 2005
.discussion...
Latest Upper Air Analysis Revealed A Short Wave From Southern Iowa
To East Plains Of Colorado. Surface Analysis Showed A 1032mb High
Over Mid South. Short Range Models Are In Agreement The Short Wave
Diving Southeast And Digging Over Red River Valley Today And Over
Southeast Louisiana And South Mississippi This Evening. Lower
Levels From The Surface To 875mb Remains Dry Through Tonight.
However...moisture Associated With Short Will Advect In 850mb And
Above. Model Sounding At Mcb Revealed Precipitation Processes
Occurring At 4kft To 8kft Below Freezing...melting And Evaporating
In The Lower Levels Near Surface This Afternoon Through Tonight.
Will Reinsert Slight Chances Of Very Light Rain...unidentified
Precipitation...ip...is Possible This Evening To Midnight.
However...precipitation Will Be Light ... Slightly Above Trace
Amounts. Lowered Thickness Will Maintain Temps Near Normal Until
Friday.
_________________