Weekly Weather BriefingWeekly Weather Briefing07/21/201107/21/2011
www.srh.noaa.gov/shv/briefingwww.srh.noaa.gov/shv/briefing
Keith StellmanKeith StellmanWarning Coordination MeteorologistWarning Coordination Meteorologist
National Weather Service Shreveport, LouisianaNational Weather Service Shreveport, Louisiana
100 + Days in July !!100 + Days in July !!Tyler
LongviewHad 19 in a row Shreveport
**Current average monthly temperature in Tyler = 90.6. This is 1 degree warmer than the warmest
month on record.
**Tyler set an all-time record for consecutive days of 100+ with current
streak of 23. Old record was 20 set in 1998.
Records since 1896
• SHV 4” Soil Temp = 92
OverviewToday + FridayToday + Friday
Above average temperatures through the period.Above average temperatures through the period. Low chances for rain...especially AR, LA, Deep East Low chances for rain...especially AR, LA, Deep East
TX.TX.WeekendWeekend
Continued HotContinued Hot Continued low rain chancesContinued low rain chances
Monday through WednesdayMonday through Wednesday Upper level high pressure ridge will shift from east Upper level high pressure ridge will shift from east
coast to Rockies back to east coast through the coast to Rockies back to east coast through the period.period.
High temperatures will remain in the upper 90s/near High temperatures will remain in the upper 90s/near 100.100.
Rain chances will remain 20-30%. Rain chances will remain 20-30%.
National Weather Service Shreveport, LouisianaNational Weather Service Shreveport, Louisiana
CurrentlyCurrently
Weak Disturbance
Bret
Regional Radar 830 AM
Today (Thursday)Today (Thursday)Rain Chances Rain Chances HighsHighs
WeekendWeekend
Upper level Upper level ridge will shift ridge will shift over Eastern over Eastern US.US.
May allow for May allow for more sea more sea breeze storms breeze storms to work northto work north
MondayMonday Ridge quickly Ridge quickly
shifts back shifts back west. west.
Means hot Means hot temps in TX temps in TX again.again.
Best rain Best rain chances will be chances will be south and eastsouth and east
Wednesday +Wednesday + Upper ridge Upper ridge
transitions back transitions back to Eastern USto Eastern US
Remain hot Remain hot through through transition.transition.
Isolated storms Isolated storms possible once it possible once it movesmoves
Forecast Precip Next 5 Forecast Precip Next 5 DaysDays Best Best
chances chances south and south and easteast
Very isolated Very isolated in NE TX…in NE TX…SE OK…SW SE OK…SW AR.AR.
TropicsTropics2 current storms. Both going out to sea.2 current storms. Both going out to sea.
TropicsTropics
Models a couple days ago wanted to do something with this…but have since
backed off
Ongoing DroughtOngoing Drought
Much of Much of Northwest and Northwest and North-central North-central Louisiana Louisiana remains under remains under D3-D4 drought D3-D4 drought conditions.conditions.
Improvements Improvements in South LAin South LA
Ongoing DroughtOngoing Drought
Much of east Much of east Texas Texas along/south of along/south of I-20 under I-20 under D3-D4 D3-D4 drought drought conditions.conditions.
Ongoing DroughtOngoing Drought Much of Much of
Southern Southern Arkansas under Arkansas under D1-D2 drought D1-D2 drought conditions.conditions.
Stripe of D3 Stripe of D3 along the along the LA/AR lineLA/AR line
D1 added in D1 added in Sevier/Little Sevier/Little RiverRiver
Drought OutlookDrought Outlook
Appears that Appears that only something only something tropical or an tropical or an abnormal abnormal weather weather pattern would pattern would break our break our drought drought through through OctoberOctober
Month to Date Month to Date Percentage of Normal Percentage of Normal
RainfallRainfall
NEXT CONFERENCE CALL:
FridayFriday July 29, 2011 10 AM July 29, 2011 10 AM
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National Weather Service Shreveport, LouisianaNational Weather Service Shreveport, Louisiana