000 WTNT34 KNHC 201139 TCPAT4 BULLETIN TROPICAL STORM NADINE INTERMEDIATE ADVISORY NUMBER 36A NWS NATIONAL HURRICANE CENTER MIAMI FL AL142012 800 AM AST THU SEP 20 2012 ...NADINE CONTINUES MOVING EAST-SOUTHEASTWARD... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...36.4N 29.8W ABOUT 160 MI...260 KM SSW OF PICO IN THE AZORES MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...ESE OR 120 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...981 MB...28.97 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE AZORES ISLANDS OF FLORES...CORVO...FAIAL...PICO...SAO JORGE... GRACIOSA...TERCEIRA...SAO MIGUEL...AND SANTA MARIA FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 AM AST...1200 UTC...THE CENTER OF TROPICAL STORM NADINE WAS LOCATED NEAR LATITUDE 36.4 NORTH...LONGITUDE 29.8 WEST. NADINE IS NOW MOVING TOWARD THE EAST-SOUTHEAST NEAR 10 MPH...17 KM/H. A TURN TOWARD THE SOUTHEAST SHOULD BEGIN LATER TONIGHT OR FRIDAY. MAXIMUM SUSTAINED WINDS REMAIN NEAR 50 MPH...85 KM/H...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 48 HOURS...BUT NADINE COULD BECOME A POST-TROPICAL CYCLONE IN A DAY OR TWO. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 275 MILES...445 KM FROM THE CENTER. THE MINIMUM CENTRAL PRESSURE MEASURED BY A DROPSONDE LAUNCHED BY THE NASA GLOBAL HAWK AIRCRAFT WAS 981 MB...28.97 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM OR GALE CONDITIONS ARE EXPECTED WITHIN PORTIONS OF THE TROPICAL STORM WARNING AREA TODAY. SURF...SWELLS GENERATED BY NADINE WILL AFFECT THE AZORES DURING THE NEXT FEW DAYS. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER PASCH