000 WTUS82 KMLB 252209 HLSMLB AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-141-144-147- 260400- HURRICANE LOCAL STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 555 PM EDT THU AUG 25 2005 ...HURRICANE KATRINA AIMING FOR LANDFALL ALONG THE LOWER SOUTHEAST COAST THIS EVENING... ...NEW INFORMATION... HURRICANE WARNINGS FOR MARTIN...SAINT LUCIE...AND INDIAN RIVER COUNTIES DOWNGRADED TO TROPICAL STORM WARNINGS. ...STORM INFORMATION... AT 5 PM EDT THE CENTER OF TROPICAL STORM KATRINA WAS LOCATED NEAR LATITUDE 26.1 NORTH...LONGITUDE 79.9 WEST OR ABOUT 15 MILES EAST OF FORT LAUDERDALE FLORIDA. KATRINA IS MOVING SLOWLY TO THE WEST AT 6 MPH. MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH WITH HIGHER GUSTS... MAKING KATRINA A CATEGORY ONE HURRICANE. ...PRECAUTIONARY/PREPAREDNESS ACTIONS... THE MAIN THREATS ASSOCIATED WITH HURRICANE KATRINA...AS IT IMPACTS EAST CENTRAL FLORIDA...WILL BE A MODERATE FLOOD THREAT FOR HEAVY RAIN...ALONG WITH THE THREAT FOR LOCALIZED DAMAGING WIND GUSTS. RESIDENTS SHOULD PREPARE FOR THESE HAZARDS. ...WIND IMPACTS... THE THREAT FOR SUSTAINED HURRICANE FORCE WINDS HAS DIMINISHED ACROSS MARTIN...SAINT LUCIE...AND INDIAN RIVER COUNTIES. HOWEVER... TROPICAL STORM FORCE WINDS ARE POSSIBLE. THE STRONGEST WINDS ARE EXPECTED TO BE AROUND 30 TO 40 MPH WITH GUSTS TO 60 MPH...IN THE WARNING AREAS. WINDS WILL BE HIGHEST DURING PASSING SQUALLS. THESE WINDS COULD DAMAGE AWNINGS...BLOW DOWN TREES OR LARGE LIMBS CAUSING POWER OUTAGES. ...FLOOD IMPACTS... DUE TO THE SLOW FORWARD MOTION OF KATRINA...HEAVY RAINS ARE EXPECTED WITH THIS SYSTEM. STORM TOTAL RAINFALL AMOUNTS OF 3 TO 6 INCHES WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE...RESULTING IN A MODERATE FLOOD THREAT ACROSS MARTIN...SAINT LUCIE...AND OKEECHOBEE COUNTIES. THE THREAT FOR HEAVY RAIN WILL CONTINUE WELL INTO FRIDAY. ...STORM SURGE FLOOD AND STORM TIDE IMPACTS... BASED ON THE CURRENT FORECAST...MAXIMUM STORM SURGE VALUES ARE EXPECTED TO BE UP TO 3 FEET IN MARTIN COUNTY...DECREASING TO 2 FEET OR LESS NORTHWARD TO TITUSVILLE. ...TORNADO IMPACTS... THERE IS A LOW THREAT OF ISOLATED TORNADOES WITHIN RAINBANDS THIS EVENING INTO FRIDAY. THE THREAT AREA WILL BE MAINLY FOCUSED ON THE IMMEDIATE COAST...AND IN VICINITY OF LAKE OKEECHOBEE. ...NEXT UPDATE... THE NEXT LOCAL STATEMENT ON HURRICANE KATRINA WILL BE ISSUED AROUND MIDNIGHT...OR SOONER IF CONDITIONS WARRANT. FOR A GRAPHICAL VERSION IF THIS STATEMENT...GO TO THE NWS MELBOURNE WEB PAGE AT: WWW.SRH.NOAA.GOV/MLB. $$ DWS