Weekly Weather Briefing 92809

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Weekly Weather Briefing 9/28/09 NWS Jackson,
MS Marc McAllister
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Overview

• Fall like air mass from Canada will settle across
  the region for this week as a cold front crosses
  the region today.
• Dry weather is on tap for most of the work week
  with lows in the 40s and 50s along with highs in
  the upper 70s to lower 80s.
• A Storm system with another cold front will
  affect the region for late Thursday into Friday
  for a chance of thunderstorms with a few strong
  to severe storms possible. Lows will be in the
  60s by Friday morning.
• Dry weather returns to the region by the weekend.
  Lows will be in the 50s and 60s along with highs
  in the upper 70s to lower 80s.

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Cool Canadian Airmass Moving through the country
Persistent lift across the area with copious
amounts of moisture drawn up into the ARKLAMISS.
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Cool Canadian High Pressure will settle into the
ArkLaMiss.
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What This Means for the ARKLAMISS
Dry weather through Thursday Main weather
concerns...1. Seasonable fall temperatures2.
Lows in the 40s and 50slower to middle 40s in
normally cooler locations.3. Highs in the upper
70s to lower 80s.
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Storm System to affect region for late
Thursday-Friday
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What This Means for the ARKLAMISS
Our next best chance of showers and
thunderstorms for the ArkLaMiss. Main weather
hazards...1. Isolated strong to severe storms
possible with the cold front passage2. Storm
system will bear watching in future model runs as
far as severe possibilities are concern.
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Dry High Pressure returns to the region for
weekend
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What This Means for the ARKLAMISS
Lows over the weekend will be in the 50s and
60s. Highs over the weekend will be in the upper
70s to lower 80s.
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Slow gradual fall at Big Black at West
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Flooding expected at Big River near Bentonia
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Yockanookany River nearOfahoma will dip below
flood
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Pearl River near Carthagewill go below flood
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Pearl River at Edinburg will dip below flood
stage
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Pearl River near Philadelphiawill dip below
flood stage
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US Drought Monitor forCentral Mississippi
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US Drought Monitor forNortheast Louisiana
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US Drought Monitor forSoutheast Arkansas
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Very Quiet in the Tropics
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TRPCL WAVE
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Review

• Cool Canadian air will bring fall like temps to
  the region through Thursday morning with night
  temps of 40s and 50s along with highs in the
  upper 70s to lower 80s.
• A storm system will affect the region for late
  Thursday into Friday with the possibility of some
  isolated strong to severe storms.
• Dry weather will return to the region for this
  weekend with highs in the upper 70s to lower 80s.
  Lows will be in the 50s and 60s.
• Recent rains have provided favorable conditions
  across
• most of the region as far as the drought monitor
  is concern.

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Questions?