ZCZC MIATCPAT2 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM KAREN INTERMEDIATE ADVISORY NUMBER 2A NWS NATIONAL HURRICANE CENTER MIAMI FL AL122013 100 PM CDT THU OCT 03 2013 ...KAREN EXPECTED TO APPROACH THE NORTHERN GULF COAST ON SATURDAY... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...22.9N 88.2W ABOUT 430 MI...695 KM S OF THE MOUTH OF THE MISSISSIPPI RIVER MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NNW OR 330 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * GRAND ISLE LOUISIANA TO INDIAN PASS FLORIDA A TROPICAL STORM WATCH IS IN EFFECT FOR... * WEST OF GRAND ISLE TO EAST OF MORGAN CITY LOUISIANA * METROPOLITAN NEW ORLEANS * LAKE MAUREPAS * LAKE PONTCHARTRAIN A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS... CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 100 PM CDT...1800 UTC...THE CENTER OF TROPICAL STORM KAREN WAS LOCATED NEAR LATITUDE 22.9 NORTH...LONGITUDE 88.2 WEST. KAREN IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 12 MPH...19 KM/H. A TURN TOWARD THE NORTH AND A DECREASE IN FORWARD SPEED ARE EXPECTED DURING THE NEXT 48 HOURS. ON THE FORECAST TRACK THE CENTER OF KAREN IS EXPECTED TO APPROACH THE COAST WITHIN THE HURRICANE WATCH AREA ON SATURDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/H...WITH HIGHER GUSTS. SOME STRENGTHENING IS POSSIBLE IN THE NEXT DAY OR SO...AND KAREN IS EXPECTED TO BE AT OR NEAR HURRICANE STRENGTH ON FRIDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1004 MB...29.65 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...HURRICANE CONDITIONS ARE POSSIBLE WITHIN PORTIONS OF THE HURRICANE WATCH AREA BY SATURDAY MORNING...WITH TROPICAL STORM CONDITIONS POSSIBLE BY LATE FRIDAY. STORM SURGE...THE COMBINATION OF STORM SURGE AND THE TIDE WILL CAUSE NORMALLY DRY AREAS NEAR THE COAST TO BE FLOODED BY RISING WATERS. THE WATER COULD REACH THE FOLLOWING HEIGHTS ABOVE GROUND IF THE PEAK SURGE OCCURS AT THE TIME OF HIGH TIDE... MOUTH OF THE MISSISSIPPI RIVER TO MOBILE BAY...2 TO 4 FT EAST OF MOBILE BAY TO WEST OF APALACHEE BAY...1 TO 2 FT APALACHEE BAY...2 TO 4 FT SOUTH OF APALACHEE BAY TO TAMPA BAY...1 TO 2 FT THE HIGHEST WATER WILL OCCUR ALONG THE IMMEDIATE COAST NEAR AND TO THE EAST OF WHERE LANDFALL OCCURS...WHERE THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. SURGE-RELATED FLOODING DEPENDS ON THE RELATIVE TIMING OF THE SURGE AND THE TIDAL CYCLE... AND CAN VARY GREATLY OVER SHORT DISTANCES. FOR INFORMATION SPECIFIC TO YOUR AREA...PLEASE SEE PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE. RAINFALL...KAREN IS EXPECTED TO PRODUCE HEAVY RAINFALL OVER PORTIONS OF WESTERN CUBA AND THE NORTHEASTERN YUCATAN PENINSULA DURING THE NEXT DAY OR SO. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 PM CDT. $$ FORECASTER BRENNAN NNNN