000
FGUS74 KLZK 071730
ESFLZK
ARC001-005-009-011-013-019-021-023-025-029-031-039-041-043-045-047- 
049-051-053-055-059-063-065-067-069-071-075-079-083-085-089-095-097- 
099-101-103-105-109-113-115-117-119-121-125-127-129-135-137-141-145-
147-149-081800-

HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1130 AM CST FRI MAR 07 2008

...ANNUAL SPRING FLOOD POTENTIAL OUTLOOK...

...SPRING FLOOD THREAT CLASSIFIED AS ABOVE AVERAGE IN ALL RIVER 
BASINS OF THE LITTLE ROCK NATIONAL WEATHER SERVICE HYDROLOGIC 
SERVICE AREA...

RAINFALL OVER THE LAST 60 DAYS VARIES BETWEEN 75 AND 300 PERCENT OF 
NORMAL. WETTER AREAS ARE GENERALLY IN THE WESTERN ARKANSAS RIVER 
VALLEY AND THE OZARK HIGHLANDS. THOSE AREAS SLIGHTLY BELOW NORMAL 
ARE GENERALLY IN THE SOUTHEAST QUARTER OF THE STATE. 

SOIL MOISTURE IS PLENTIFUL. SNOW MELT AND GENEROUS RAINFALL WITHIN 
THE LAST WEEK ADDED TO THE SOIL MOISTURE. STREAMFLOW IS AT...OR 
ABOVE NORMAL FOR EARLY MARCH. AN ILLUSTRATION CAN BE FOUND VIA THE 
INTERNET ON THE U.S. GEOLOGICAL SURVEY STREAMFLOW MAP. ALL U.S. ARMY 
CORPS OF ENGINEERS MAJOR FLOOD CONTROL IMPOUNDMENTS ARE HOLDING 
SMALL PERCENTAGES OF AVAILABLE FLOOD CONTROL STORAGE. 

ALREADY IN MARCH...THERE HAS BEEN MINOR RIVER FLOODING IN ALL RIVER 
BASINS OF THE NATIONAL WEATHER SERVICE LITTLE ROCK HYDROLOGIC 
SERVICE AREA. THERE HAS ALSO BEEN SMALL SCALE FLASH FLOODING IN MANY 
OF THE WATERSHEDS WITHIN THE STATE. 

OVERALL...THE SURFACE CONDITIONS ARE CONDUCIVE FOR A REPEAT OF THIS 
FLOODING.

THE 30 DAY MARCH OUTLOOK WAS FOR BETTER THAN AVERAGE CHANCES FOR 
ABOVE NORMAL PRECIPITATION IN THE EASTERN HALF OF THE ARKANSAS AND 
BELOW NORMAL IN THE WESTERN HALF. THE 90 DAY OUTLOOK...FOR THE 
PERIOD OF MARCH...APRIL...AND MAY...INDICATED A BETTER THAN AVERAGE 
CHANCE FOR BELOW NORMAL RAINFALL STATEWIDE. 

IN ARKANSAS...NORMAL PRECIPITATION DURING THE SPRING IS BETWEEN 14 
AND 18 INCHES.  

THERE IS NO CLEAR INDICATION OF EXCESSIVE SPRING RAINFALL FOR THE 
STATE. HOWEVER...MINOR FLOODING IS OCCURRING AND SURFACE CONDITIONS 
ARE PRIME FOR A REPEAT OF FLOODING. THE THREAT MUST BE CATEGORIZED 
AS ABOVE AVERAGE.

THIS HYDROLOGIC OUTLOOK IS A ROUTINE ANNUAL PRODUCT ISSUED IN EARLY 
MARCH. AT ANY OTHER TIME OF THE YEAR...IF EXCESSIVE RAINFALL IS 
FORECAST TO OCCUR...A HYDROLOGIC OUTLOOKS WILL BE ISSUED WITH EVENT 
SPECIFIC INFORMATION.  

FOR THE LATEST RIVER STAGE INFORMATION...FORECAST...AND WARNINGS 
PLEASE VISIT OUR WEBSITE AT:

HTTP://WWW.SRH.NOAA.GOV/LZK

RIVER STAGE AND FORECAST DATA CAN BE OBTAINED BY SELECTING THE 
RIVERS AND LAKES AHPS LINK UNDER THE CURRENT CONDITIONS SECTION.

QUESTIONS AND COMMENTS MAY BE DIRECTED TO...

STEVE BAYS, P.E. 
SERVICE HYDROLOGIST
NWS LITTLE ROCK AR 
501-834-0308
STEVE.BAYS@NOAA.GOV

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