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Role of the Maryland State Climatologist

Role of the Maryland State Climatologist. Kenneth E. Pickering Maryland State Climatologist Department of Meteorology University of Maryland College Park Maryland Climate Change Workshop August 6, 2003. Functions of the Office of the State Climatologist.

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Role of the Maryland State Climatologist

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  1. Role of the Maryland State Climatologist Kenneth E. Pickering Maryland State Climatologist Department of Meteorology University of Maryland College Park Maryland Climate Change Workshop August 6, 2003

  2. Functions of the Office of the State Climatologist • Archive climatic data for the State of Maryland • Fulfill requests for data from the public • Maintain a web page for distribution of data and climate information • Conduct special climate analyses Drought Temperature and precipitation trends Snowfall frequency distributions Agricultural applications

  3. Functions (continued) • Participate in media interviews • Presentations concerning Maryland Climate to community groups • Data analyses in support of air quality modeling efforts

  4. Data Sources • 36 current NWS Cooperative stations • 18 former NWS Cooperative stations • 3 NWS/FAA airport stations • 30 “other” volunteer observer stations • Meso-net stations (to be added) • Aircraft profiles

  5. Maryland State Climatologist Office2000-2002 Data Requests

  6. Examples of Material on Maryland State Climatologist Office Web Pagehttp://www.atmos.umd.edu/~climate/sc.html • 30-year normals for NWS stations • Growing season data • Interannual variability • Decadal trends • Longer-term climate change

  7. 2001-2002 Drought Maximum rainfall deficits: Aug. 2001 – Aug. 2002 Conowingo Dam 20.96” Vienna 18.28” Baltimore City 17.97” Salisbury 17.93” Royal Oak 17.86” Beltsville 17.79” BWI Airport 17.59”

  8. Drought Comparisons 8/01-8/02 17 to 21 inch deficits over much of state except Garrett Co. 7/98-7/99 12 to 21 inch deficits west of bay; 10 to 11 inch on Eastern Shore 5/64-5/65 15 to 18 inch deficits over much of state except Garrett Co. 8/65-8/66 15 to 19 inch deficits over much of state except Garrett Co. 1/30-1/31 16 to 26 inch deficit

  9. 4.09 deg./100 yrs.

  10. 0.55 deg/100 yrs.

  11. 12.93 deg./100 yrs.

  12. 1977-1999 Temperature Trends • Baltimore City +9.88 oF/100 yr • Chestertown +8.95 • Glenn Dale +12.04 • Laurel +8.71 • Oakland +9.67 • Royal Oak +11.65 • Salisbury +12.77 • Woodstock +12.93

  13. Temperature Departures From Normal (in Degrees Fahrenheit)

  14. Baltimore City AUGUST

  15. Baltimore City FEBRUARY

  16. Comparison of Annual Precipitation Normals

  17. Annual Mean # of Days with SnowfallFrederick County

  18. Base = 50oF

  19. Study Area and Selected Locations of Fixed Position UMD Aircraft Spirals in 2002 43 spirals in MD *College Park, MD Cambridge, MD *Fort Meade, MD Annapolis, MD *Cumberland, MD Churchville, MD Easton, MD 56 spirals in VA *Richmond, VA Crewe, VA Luray, VA Quinton, VA Winchester, VA Tappahannock, VA Ashland, VA Wakefield, VA Louisa, VA 39 spirals in PA, NY, ME *Erie, PA, *Ithaca, NY *Saratoga Springs, NY *Augusta, ME *Bar Harbor, ME

  20. Summary • Please visit our web site to see the various types of climate information that we offer • Please contact our office if you have specific data requests or have a need for specialized climate analyses climate@atmos.umd.edu

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