HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
135 PM EST MON APR 17 2006
DROUGHT/WATER RESOURCE STATEMENT
...MODERATE DROUGHT OVER CENTRAL VIRGINIA, DELMARVA, AND EASTERN
SHORE MARYLAND...
TWO MONTHS OF BELOW NORMAL RAINFALL HAS BEGUN TO SHOW SOME AFFECTS
ACROSS THE REGION. AREA RESERVOIR LEVELS ARE NEAR NORMAL, HOWEVER
STREAMFLOWS CONTINUE TO DECLINE.
THE APRIL 11TH ISSUANCE OF THE U.S. DROUGHT MONITOR HAS PLACED THE
AREA UNDER MODERATE AGRICULTURAL AND HYDROLOGIC DROUGHT. IN ADDITION
TO DECLINING RIVER LEVELS, CROPS, PASTURES AND GRASSLANDS COULD BE
AFFECTED GOING INTO THE GROWING SEASON IF DRY WEATHER CONTINUES.
PLEASE SEE THE SEVEN PALMER DROUGHT INDEX CATEGORIES AND COUNTY
PRECIPITATION DEPARTURES BELOW.
PALMER DROUGHT SEVERITY INDEX (PDSI)...
-4.0 OR LESS - EXTREME DROUGHT
-3.0 TO -3.9 - SEVERE DROUGHT
-2.0 TO -2.9 - MODERATE DROUGHT
-1.9 TO +1.9 - NEAR NORMAL
+2.0 TO +2.9 - UNUSUAL MOIST SPELL
+3.0 TO +3.9 - VERY MOIST SPELL
+4.0 OR ABOVE - EXTREMELY MOIST
JAMES & APPOMATTOX RIVER DRAINAGE
MONTH LAST LAST
SO 90 DAYS 180 DAYS LAST 365 DAYS
FAR TOTAL/DEP. TOTAL/DEP. TOTAL/DEP./ %
AMELIA VA 0.6 4.8 -6.0 14.2 -6.6 33.6 -9.7 -21
CHARLES CITY VA 0.8 4.9 -5.6 16.5 -3.4 35.7 -7.5 -16
CHESTERFIELD VA 0.6 4.7 -5.6 15.5 -4.2 33.9 -8.4 -19
CUMBERLAND VA 0.3 3.8 -6.7 11.8 -8.5 30.5 -11.9 -27
FLUVANNA VA 0.4 3.9 -6.4 11.0 -9.1 31.5 -11.0 -25
GOOCHLAND VA 0.4 4.4 -5.6 12.3 -7.5 30.4 -11.8 -27
HENRICO VA 0.7 4.7 -5.4 16.1 -3.4 33.9 -8.2 -18
LOUISA VA 0.7 4.5 -5.8 12.6 -7.8 34.0 -9.1 -20
POWHATAN VA 0.5 4.8 -5.6 13.0 -7.3 31.2 -11.4 -26
PRINCE EDWARD VA 0.2 3.7 -7.3 12.0 -9.0 32.4 -11.5 -25
WESTERN CHESAPEAKE BAY DRAINAGE
MONTH LAST LAST
SO 90 DAYS 180 DAYS LAST 365 DAYS
FAR TOTAL/DEP. TOTAL/DEP. TOTAL/DEP./ %
GLOUCESTER VA 0.7 4.7 -6.4 14.8 -6.0 34.6 -10.2 -22
HAMPTON VA 1.1 3.8 -7.1 12.4 -7.7 38.3 -5.1 -11
HANOVER VA 0.7 5.0 -5.4 15.5 -4.4 33.2 -9.4 -21
JAMES CITY VA 0.7 4.7 -6.6 14.8 -6.4 34.6 -11.5 -24
KING & QUEEN VA 0.7 5.1 -5.3 16.1 -3.8 35.2 -7.7 -17
KING WILLIAM VA 0.7 5.0 -5.4 16.5 -3.4 34.2 -8.6 -19
MATHEWS VA 0.8 4.3 -7.0 13.2 -7.7 33.5 -10.9 -24
NEW KENT VA 0.7 5.1 -5.2 16.9 -2.8 36.2 -6.5 -14
NEWPORT NEWS VA 0.8 4.0 -7.3 12.2 -8.5 33.3 -11.1 -24
NORTHUMBERLAND VA 0.6 5.0 -5.3 16.8 -2.7 41.9 -0.6 0
YORK VA 0.8 4.2 -7.1 12.9 -8.0 33.1 -12.1 -26
WESTERN CHESAPEAKE & RAPPAHANNOCK DRAINAGE
MONTH LAST LAST
SO 90 DAYS 180 DAYS LAST 365 DAYS
FAR TOTAL/DEP. TOTAL/DEP. TOTAL/DEP./ %
CAROLINE VA 0.9 5.9 -4.5 15.7 -4.6 36.2 -6.4 -14
ESSEX VA 0.8 5.7 -4.2 16.0 -3.2 35.8 -6.3 -14
LANCASTER VA 0.8 5.1 -5.6 16.3 -3.7 36.3 -6.9 -15
MIDDLESEX VA 0.8 5.2 -5.5 16.4 -3.6 36.5 -6.7 -14
RICHMOND VA 0.7 5.2 -4.4 16.5 -2.5 39.6 -2.7 -5
WESTMORELAND VA 0.8 5.4 -4.5 16.5 -2.7 41.2 -0.6 0
EASTERN CHESAPEAKE & ATLANTIC DRAINAGE
VIRGINIA COUNTIES
MONTH LAST LAST
SO 90 DAYS 180 DAYS LAST 365 DAYS
FAR TOTAL/DEP. TOTAL/DEP. TOTAL/DEP./ %
ACCOMACK VA 0.5 3.9 -7.3 12.7 -8.1 33.7 -9.3 -21
NORTHAMPTON VA 1.0 3.7 -7.2 12.4 -8.1 37.3 -5.3 -11\
MARYLAND COUNTIES
MONTH LAST LAST
SO 90 DAYS 180 DAYS LAST 365 DAYS
FAR TOTAL/DEP. TOTAL/DEP. TOTAL/DEP./ %
DORCHESTER MD 1.0 5.3 -5.4 16.7 -3.7 39.3 -3.1 -6
SOMERSET MD 0.5 4.2 -7.0 14.2 -6.6 36.8 -7.2 -15
WICOMICO MD 0.6 4.9 -6.5 16.0 -5.3 39.4 -5.2 -11
WORCESTER MD 0.4 4.3 -7.1 15.0 -6.4 33.0 -11.2 -24
MOST RECENT LONG RANGE PRECIPITATION & TEMPERATURE FORECASTS FROM NWS:
THE 8 TO 14 DAY OUTLOOK COVERING THE PERIOD APR 18 THROUGH APR 24:
PRECIPITATION TEMPERATURE
MARYLAND BELOW NORMAL ABOVE NORMAL
VIRGINIA BELOW NORMAL ABOVE NORMAL
30 DAY OUTLOOK THROUGH APR 2006:
PRECIPITATION TEMPERATURE
MARYLAND NORMAL ABOVE NORMAL
VIRGINIA BELOW NORMAL ABOVE NORMAL
90 DAY OUTLOOK THROUGH JUN 2006:
PRECIPITATION TEMPERATURE
MARYLAND NORMAL NORMAL
VIRGINIA BELOW NORMAL NORMAL
KEITH LYNCH, SERVICE HYDROLOGIST
NATIONAL WEATHER SERVICE
WAKEFIELD VIRGINIA