WTNT32 KNHC 032047 TCPAT2 BULLETIN TROPICAL STORM KAREN ADVISORY NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL AL122013 400 PM CDT THU OCT 03 2013 ...TROPICAL STORM WARNING ISSUED FOR A PORTION OF SOUTHEASTERN LOUISIANA... SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...23.3N 88.5W ABOUT 400 MI...650 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...999 MB...29.50 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... A TROPICAL STORM WARNING IS IN EFFECT FROM GRAND ISLE LOUISIANA TO THE MOUTH OF THE PEARL RIVER. THIS DOES NOT INCLUDE METROPOLITAN NEW ORLEANS...LAKE MAUREPAS...OR LAKE PONTCHARTRAIN. THE HURRICANE WATCH FROM DESTIN TO INDIAN PASS FLORIDA HAS BEEN CHANGED TO A TROPICAL STORM WATCH. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * GRAND ISLE LOUISIANA TO WEST OF DESTIN FLORIDA A TROPICAL STORM WARNING IS IN EFFECT FOR... * GRAND ISLE LOUISIANA TO THE MOUTH OF THE PEARL RIVER 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 * DESTIN TO INDIAN PASS FLORIDA 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 WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. 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 400 PM CDT...2100 UTC...THE CENTER OF TROPICAL STORM KAREN WAS LOCATED BY AIR FORCE RESERVE AND NOAA HURRICANE HUNTER AIRCRAFT NEAR LATITUDE 23.3 NORTH...LONGITUDE 88.5 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 BE NEAR THE COAST WITHIN THE HURRICANE WATCH AREA ON SATURDAY. DATA FROM THE AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS REMAIN NEAR 65 MPH...100 KM/H...WITH HIGHER GUSTS. SOME STRENGTHENING IS FORECAST IN THE NEXT DAY OR SO...AND KAREN IS EXPECTED TO BE AT OR NEAR HURRICANE STRENGTH LATE FRIDAY AND EARLY SATURDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM MAINLY TO THE NORTH AND EAST OF THE CENTER. THE LATEST MINIMUM CENTRAL PRESSURE MEASURED BY THE NOAA AIRCRAFT WAS 999 MB...29.50 INCHES HAZARDS AFFECTING LAND ---------------------- WIND...HURRICANE CONDITIONS ARE POSSIBLE WITHIN PORTIONS OF THE HURRICANE WATCH AREA ON SATURDAY...WITH TROPICAL STORM CONDITIONS POSSIBLE AS SOON AS FRIDAY NIGHT. TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN PORTIONS OF THE TROPICAL STORM WARNING AREA BY FRIDAY NIGHT. 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 DANGEROUS 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 RAINFALL AMOUNTS OF 4 TO 8 INCHES OVER PORTIONS OF THE CENTRAL AND EASTERN GULF COAST THROUGH SUNDAY NIGHT...MAINLY NEAR AND TO THE RIGHT OF THE PATH OF THE CENTER. ISOLATED STORM TOTAL AMOUNTS OF 12 INCHES ARE POSSIBLE. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE OVER PORTIONS OF WESTERN CUBA AND THE NORTHERN YUCATAN PENINSULA. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...700 PM CDT. NEXT COMPLETE ADVISORY...1000 PM CDT. $$ FORECASTER BRENNAN
Posted on: Thu, 03 Oct 2013 20:50:02 +0000
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