503
AXUS71 KLWX 311251
DGTLWX
DCC001-MDC001-003-005-009-013-017-021-025-027-031-033-037-043-510-
VAC003-013-015-043-047-059-061-069-079-091-099-107-113-125-137-139-
153-157-165-171-177-179-187-510-540-600-610-630-660-683-685-790-820-
840-WVC003-023-027-031-037-057-065-071-080200-
DROUGHT INFORMATION STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
850 AM EDT WED OCT 31 2012
..SANDY DECIMATES THE DROUGHT
SYNOPSIS...
AS OF OCTOBER 31ST 2012...CYCLONE SANDY BROUGHT THREE TO NINE INCHES
OF RAIN ACROSS THE ENTIRE AREA. ANY LINGERING SHORT TERM DRYNESS HAS
BEEN OVERCOME BY RECENT WET CONDITIONS.
SUMMARY OF IMPACTS...
NO DROUGHT IMPACTS ARE KNOWN ACROSS THE AREA.
CLIMATE SUMMARY...
AS MENTIONED ABOVE...SANDY BROUGHT THREE TO NINE INCHES OF RAIN
ACROSS MOST OF THE REGION.
SOME SITE STATISTICS /DATA IS COMPARED TO 1981-2010 NORMALS/:
REAGAN NATIONAL AIRPORT...THROUGH OCTOBER 30TH...
LAST 30 DAYS ... 5.82 INCHES ...-SURPLUS- 2.53 INCHES ...177 PCT
LAST 60 DAYS ... 10.11 INCHES ...-SURPLUS- 3.10 INCHES ...144 PCT
LAST 90 DAYS ... 12.89 INCHES ...-SURPLUS- 3.06 INCHES ...131 PCT
LAST 180 DAYS ... 21.19 INCHES ...-SURPLUS- 0.10 INCH ...101 PCT
LAST 365 DAYS ... 35.66 INCHES ... DEFICIT 3.97 INCHES ... 90 PCT
SINCE JAN 2012... 28.82 INCHES ... DEFICIT 4.59 INCHES ... 86 PCT
SINCE JAN 2011... 75.71 INCHES ...-SURPLUS- 2.56 INCHES ...104 PCT
WASHINGTON DULLES AIRPORT...THROUGH OCTOBER 30TH...
LAST 30 DAYS ... 8.87 INCHES ...-SURPLUS- 5.73 INCHES ...283 PCT
LAST 60 DAYS ... 11.58 INCHES ...-SURPLUS- 4.52 INCHES ...164 PCT
LAST 90 DAYS ... 14.04 INCHES ...-SURPLUS- 3.57 INCHES ...134 PCT
LAST 180 DAYS ... 24.10 INCHES ...-SURPLUS- 1.70 INCHES ...108 PCT
LAST 365 DAYS ... 38.27 INCHES ... DEFICIT 3.16 INCHES ... 92 PCT
SINCE JAN 2012... 31.63 INCHES ... DEFICIT 3.43 INCHES ... 90 PCT
SINCE JAN 2011... 77.83 INCHES ...-SURPLUS- 1.23 INCHES ...102 PCT
BALTIMORE WASHINGTON AIRPORT...THROUGH OCTOBER 30TH...
LAST 30 DAYS ... 8.92 INCHES ...-SURPLUS- 5.70 INCHES ...277 PCT
LAST 60 DAYS ... 11.13 INCHES ...-SURPLUS- 3.88 INCHES ...154 PCT
LAST 90 DAYS ... 16.95 INCHES ...-SURPLUS- 6.53 INCHES ...163 PCT
LAST 180 DAYS ... 24.78 INCHES ...-SURPLUS- 3.06 INCHES ...114 PCT
LAST 365 DAYS ... 40.55 INCHES ... DEFICIT 1.22 INCHES ... 97 PCT
SINCE JAN 2012... 33.60 INCHES ... DEFICIT 1.50 INCHES ... 96 PCT
SINCE JAN 2011... 90.12 INCHES ...-SURPLUS 13.14 INCHES ...117 PCT
CHARLOTTESVILLE AIRPORT...THROUGH OCTOBER 30TH...
LAST 30 DAYS ... 4.37 INCHES ...-SURPLUS- 1.35 INCHES ...145 PCT
LAST 60 DAYS ... 6.67 INCHES ... DEFICIT 0.83 INCH ... 89 PCT
LAST 90 DAYS ... 11.42 INCHES ...-SURPLUS- 0.43 INCH ...104 PCT
LAST 180 DAYS ... 22.48 INCHES ... DEFICIT 0.36 INCH ... 98 PCT
LAST 365 DAYS ... 41.31 INCHES ... DEFICIT 1.31 INCHES ... 97 PCT
SINCE JAN 2012... 33.81 INCHES ... DEFICIT 1.83 INCHES ... 95 PCT
SINCE JAN 2011... 82.12 INCHES ...-SURPLUS- 3.77 INCHES ...105 PCT
NOTE: DUE TO A RELOCATION OF THE EQUIPMENT...AND THE JUNE DERECHO...
THERE ARE THREE DAYS OF MISSING DATA AT CHARLOTTESVILLE. ALTHOUGH
THE OFFICIAL CLIMATE RECORD SHOWS MISSING DATA...ESTIMATED VALUES
WERE USED ON THOSE DAYS TO PROVIDE A FULL DATASET FOR THE TABLE
ABOVE. THEREFORE...THIS TABLE DIFFERS SLIGHTLY FROM THE OFFICIAL
CLIMATE RECORD.
MARTINSBURG AIRPORT...THROUGH OCTOBER 30TH...
LAST 30 DAYS ... 3.44 INCHES ...-SURPLUS- 0.49 INCH ...117 PCT
LAST 60 DAYS ... 7.25 INCHES ...-SURPLUS- 0.73 INCH ...111 PCT
LAST 90 DAYS ... 9.65 INCHES ...-SURPLUS- 0.16 INCH ...102 PCT
LAST 180 DAYS ... 21.08 INCHES ...-SURPLUS- 0.34 INCH ...102 PCT
LAST 365 DAYS ... 36.52 INCHES ... DEFICIT 2.08 INCHES ... 95 PCT
SINCE JAN 2012... 30.26 INCHES ... DEFICIT 2.50 INCHES ... 92 PCT
SINCE JAN 2011... 77.11 INCHES ...-SURPLUS- 5.75 INCHES ...108 PCT
NOTE: DUE TO THE JUNE DERECHO...THERE ARE TWO DAYS OF MISSING DATA
AT MARTINSBURG. ALTHOUGH THE OFFICIAL CLIMATE RECORD SHOWS MISSING
DATA...ESTIMATED VALUES WERE USED ON THOSE DAYS TO PROVIDE A FULL
DATASET FOR THE TABLE ABOVE. THEREFORE...THIS TABLE DIFFERS SLIGHTLY
FROM THE OFFICIAL CLIMATE RECORD.
PRECIPITATION/TEMPERATURE OUTLOOK...
DRY CONDITIONS ARE EXPECTED THROUGH THE END OF THE WEEK.
HYDROLOGIC SUMMARY AND OUTLOOK...
AS OF OCTOBER 31ST...STREAMFLOWS ARE EXTREMELY HIGH DUE TO SANDY.
SOIL MOISTURE AND GROUNDWATER ARE ALSO HIGH.
NEXT ISSUANCE DATE...
THIS IS THE FINAL STATEMENT UNTIL MODERATE DROUGHT /D1/ CONDITIONS
ARE OBSERVED IN A SIGNIFICANT PORTION OF THE AREA.
RELATED WEB SITES...
ADDITIONAL INFORMATION ON CURRENT DROUGHT CONDITIONS MAY BE FOUND
AT THE FOLLOWING WEB ADDRESSES /USE LOWER CASE LETTERS/...
DROUGHT PORTAL...HTTP://WWW.DROUGHT.GOV
U.S. DROUGHT MONITOR...HTTP://DROUGHTMONITOR.UNL.EDU
CLIMATE PREDICTION CENTER /CPC/...HTTP://WWW.CPC.NCEP.NOAA.GOV
ADDITIONAL RIVER INFORMATION...
NWS...HTTP://WATER.WEATHER.GOV
USGS...HTTP://WATER.USGS.GOV
USACE...HTTP://WWW.NAB.USACE.ARMY.MIL
ACKNOWLEDGMENTS...
THE DROUGHT MONITOR IS A MULTI-AGENCY EFFORT INVOLVING THE
NATIONAL WEATHER SERVICE AND NATIONAL CLIMATIC DATA CENTER...THE
USDA...STATE AND REGIONAL CENTER CLIMATOLOGISTS AND THE NATIONAL
DROUGHT MITIGATION CENTER. INFORMATION FOR THIS STATEMENT HAS BEEN
GATHERED FROM NWS AND FAA OBSERVATION SITES...STATE COOPERATIVE
EXTENSION SERVICES...THE STATES OF VIRGINIA AND MARYLAND...THE US
DEPARTMENT OF AGRICULTURE...US ARMY CORPS OF ENGINEERS AND US
GEOLOGICAL SURVEY.
QUESTIONS OR COMMENTS...
FOR QUESTIONS OR COMMENTS ABOUT THIS DROUGHT INFORMATION
STATEMENT...CONTACT:
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
43858 WEATHER SERVICE RD
STERLING VA 20166
PHONE...703-996-2200
LWXWEBMASTER@NOAA.GOV
JE
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