1. Mark Lenz Senior Service Hydrologist National Weather Service Austin/San Antonio Current Drought Status 2011 Texas Emergency Management Conference Henry B Gonzalez Convention Center San Antonio, Texas April 29, 2011

2. Photo Courtesy of: Frank Cianciolo/McDonald Observatory

3. http://www.srh.weather.gov/ewx/

4. http://www.weather.gov

5. http://www.srh.weather.gov/ewx /

6. http://www.srh.weather.gov/

8. Figure provided by the International Research Institute (IRI) for Climate and Society

9. http://www.drought.unl.edu/dm/monitor.html

10. Drought Monitor – County Level Maps April 27, 2010 vs April 26, 2011 http://www.drought.unl.edu/dm/archive.html

11. April 19, 2011 http://www.drought.unl.edu/dm/dmtabs_archive.htm

13. Last 180 Days Average Precipitation http://water.weather.gov/precip/

14. Last 180 Days Observed Precipitation http://water.weather.gov/precip/

15. Last 180 days percent of Normal Rainfall http://water.weather.gov/precip/

16. Year to Date Average Rainfall http://water.weather.gov/precip/

17. Year to Date Observed Rainfall http://water.weather.gov/precip/

18. Year to Date percent of Normal Rainfall http://water.weather.gov/precip/

20. http://tfsfrp.tamu.edu/wildfires/decban.png

21. http://webgis.tamu.edu/tfs/kbdi_daily/kbdicounty.png

22. http://atmo.tamu.edu/osc/ Percent of Normal Precipitation

23. http://atmo.tamu.edu/osc/

26. College Station (CLL) – Driest 6.00” Austin Mabry (ATT)– 3 rd Driest 5.31” Del Rio (DRT) – Driest 0.30” San Antonio (SAT) – 5 th Driest 4.25” Austin Bergstrom (AUS) – 3 rd Driest 6.43” City of Houston (IAH) – 5 th Driest 12.40” Houston Hobby (HOU) – 7 th Driest 15.88” October 1, 2010 through April 27, 2011

27. City 2011 Rainfall Normal Rainfall Marfa 0.00” 1.24” Fort Stockton 0.08” 1.53” El Paso 0.11” 1.29” Amarillo 0.58” 3.42” Borger 0.92” 4.44” Dalhart 0.58” 3.16” Lubbock 0.84” 3.04” Childress 0.53” 4.60” Just how dry is it???

28. City 2011 Rainfall Normal Rainfall Wichita Falls 1.05” 7.19” San Angelo 1.12” 4.29” Dallas/Ft Worth 5.05” 9.99” Victoria 4.55” 9.19” Corpus Christi 4.44” 6.91” Brownsville 2.56” 5.14” Harlingen 2.36” 6.60” McAllen 1.32” 4.34” Just how dry is it??? July 20, 2007Summer 2008

30. Temperature Outlook May/June/July Temperature Outlook June/July/August

31. Temperature Outlook July/August/September Temperature Outlook August/September/October

32. Precipitation Outlook May/June/July Precipitation Outlook June/July/August

33. Precipitation Outlook July/August/September Precipitation Outlook August/September/October

35. Pacific Niño 3.4 SST Outlook Figure provided by the International Research Institute (IRI) for Climate and Society (Updated April 19, 2011).

36. La Nina conditions continued across the equatorial Pacific. The magnitude of negative sea surface temperature anomalies continued to decrease across the Pacific Ocean. A transition to ENSO-neutral conditions is expected by June 2011. Remainder of the Spring Outlook

38. Mark Lenz Senior Service Hydrologist Austin/San Antonio Weather Forecast Office 830.629.0205 x228 Mark.Lenz@noaa.gov www.srh.noaa.gov/ewx Questions??