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Weekly Weather Briefing 07/21/2011 srh.noaa/shv/briefing

Weekly Weather Briefing 07/21/2011 www.srh.noaa.gov/shv/briefing. Keith Stellman Warning Coordination Meteorologist. National Weather Service Shreveport, Louisiana. 100 + Days in July !!. Longview Had 19 in a row. Tyler. Shreveport.

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Weekly Weather Briefing 07/21/2011 srh.noaa/shv/briefing

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  1. Weekly Weather Briefing07/21/2011www.srh.noaa.gov/shv/briefing Keith Stellman Warning Coordination Meteorologist National Weather Service Shreveport, Louisiana

  2. 100 + Days in July !! Longview Had 19 in a row Tyler Shreveport • **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 **Current average monthly temperature in Tyler = 90.6. This is 1 degree warmer than the warmest month on record.

  3. Overview Today + Friday Above average temperatures through the period. Low chances for rain...especiallyAR, LA, Deep East TX. Weekend Continued Hot Continued low rain chances Monday through Wednesday Upper level high pressure ridge will shift from east coast to Rockies back to east coast through the period. High temperatures will remain in the upper 90s/near 100. Rain chances will remain 20-30%. National Weather Service Shreveport, Louisiana

  4. Currently L H Bret L Weak Disturbance

  5. Regional Radar 830 AM

  6. Today (Thursday)Rain Chances Highs Best

  7. Weekend • Upper level ridge will shift over Eastern US. • May allow for more sea breeze storms to work north H

  8. Monday • Ridge quickly shifts back west. • Means hot temps in TX again. • Best rain chances will be south and east H

  9. Wednesday + • Upper ridge transitions back to Eastern US • Remain hot through transition. • Isolated storms possible once it moves H

  10. Forecast Precip Next 5 Days • Best chances south and east • Very isolated in NE TX…SE OK…SW AR.

  11. Tropics2 current storms. Both going out to sea.

  12. Tropics Models a couple days ago wanted to do something with this…but have since backed off

  13. Ongoing Drought • Much of Northwest and North-central Louisiana remains under D3-D4 drought conditions. • Improvements in South LA

  14. Ongoing Drought • Much of east Texas along/south of I-20 under D3-D4 drought conditions.

  15. Ongoing Drought • Much of Southern Arkansas under D1-D2 drought conditions. • Stripe of D3 along the LA/AR line • D1 added in Sevier/Little River

  16. Drought Outlook • Appears that only something tropical or an abnormal weather pattern would break our drought through October

  17. Month to Date Percentage of Normal Rainfall

  18. NEXT CONFERENCE CALL: Friday July 29, 2011 10 AM www.srh.noaa.gov/shv/briefing National Weather Service Shreveport, Louisiana

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