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Onyok intensifies into severe tropical storm @ 2019-09-29T12: 返回 熱門新聞
關鍵詞:intensifies into into tropical storm
概念:
MANILA, PHILIPPINES – ONYOK STRENGTHENED FROM A TROPICAL DEPRESSION INTO A TROPICAL STORM AND SLIGHTLY ACCELERATED ON SATURDAY MORNING, SEPTEMBER 28. IT HAS BEEN GIVEN THE INTERNATIONAL NAME MITAG.
FOR THE TIME BEING, LORENZO』S DANCE IS JUST A SHOW FOR METEOROLOGISTS. BUT BENEATH THE SURFACE, IT IS THE LATEST OVERACHIEVING STORM TO FIT INTO A PATTERN RIPE WITH OVERACHIEVING STORMS.
IN ADDITION, THE HURRICANE CENTER SAYS A TROPICAL WAVE BETWEEN CAPE VERDE AND THE AFRICAN COAST HAS A 90 PERCENT CHANCE OF DEVELOPING INTO A TROPICAL DEPRESSION OR TROPICAL STORM IN THE NEXT 48 HOURS. LORENZO IS THE NEXT NAME UP ON THE LIST, AND COMPUTER MODELS SHOW THAT THIS STORM COULD INTENSIFY INTO A POWERFUL HURRICANE AS IT CHUGS WEST. HOWEVER, CURRENTLY AT LEAST, THE ODDS FAVOR IT RECURVING OUT TO SEA BEFORE IT REACHES POPULATED AREAS IN THE CARIBBEAN OR THE UNITED STATES.
KAREN IS A CAPRICIOUS STORM. LESS THAN 36 HOURS AFTER BEING CLASSIFIED AS A TROPICAL STORM SUNDAY MORNING, KAREN WEAKENED INTO A TROPICAL DEPRESSION, SPARKING DOUBTS THAT THE SYSTEM WOULD EVER MAKE IT TO PUERTO RICO INTACT. BARELY A DAY LATER, KAREN INTENSIFIED INTO A TROPICAL STORM ONCE AGAIN AS IT DREW NEAR THE ISLAND TERRITORY. THE MAIN IMPACTS IN PUERTO RICO AND THE VIRGIN ISLANDS WEREN』T FROM WIND, HOWEVER; THE HEADACHES STEMMED FROM RAIN.
LORENZO SHOULD LOSE ITS TROPICAL CHARACTERISTICS BY THE END OF THE WEEK AS IT APPROACHES THE BRITISH ISLES, TRANSITIONING INTO AN EXTRATROPICAL CYCLONE, OR A STORM THAT FEATURES FRONTAL BOUNDARIES AND DERIVES ITS ENERGY FROM THE JET STREAM INSTEAD OF THUNDERSTORMS AROUND THE LOW-PRESSURE CENTER. A STORM』S WIND FIELD TENDS TO EXPAND DURING EXTRATROPICAL TRANSITION, WHICH COULD EXPOSE IRELAND AND GREAT BRITAIN TO A PERIOD OF DANGEROUS WINDS AND HEAVY RAIN ON FRIDAY AND SATURDAY.
RAPID INTENSIFICATION IS A SERIOUS CHALLENGE FOR THE PREDICTION OF HURRICANE INTENSITY. AN EXAMPLE IS HURRICANE MARIA IN 2017, WHICH INTENSIFIED TO A CATEGORY 5 STORM WITHIN 24 HOURS AND DESTROYED PUERTO RICO. NONE OF THE COMPUTER MODELS WERE ABLE TO PREDICT IT. A MORE RECENT EXAMPLE IS HURRICANE DORIAN, WHICH WAS PREDICTED TO BECOME JUST A TROPICAL STORM, BEFORE IT RAPIDLY INTENSIFIED INTO A CATEGORY 5 STORM AND CAUSED EXTENSIVE DAMAGE IN THE BAHAMAS.
TEAMS OF RESEARCHERS ARE ROUTINELY SENT ON FLIGHTS INTO THE CENTERS OF STORMS TO GATHER CRUCIAL DATA. THESE SO-CALLED HURRICANE HUNTERS FROM THE NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, BASED IN LAKELAND, FLA., AND THEIR PARTNERS WENT TO GET A SNAPSHOT OF THE STORM』S INSIDES.
FORECASTERS ARE KEEPING AN EYE ON ANOTHER SYSTEM FAR OUT IN THE CENTRAL ATLANTIC OCEAN. THOUGH NOT A THREAT TO LAND AT THIS TIME, THE HURRICANE CENTER GIVES THE SYSTEM A 40% CHANCE OF DEVELOPING INTO A DEPRESSION WITHIN THE NEXT FIVE DAYS. "CONDITIONS APPEAR CONDUCIVE FOR DEVELOPMENT, AND A TROPICAL DEPRESSION COULD FORM EARLY NEXT WEEK WHILE THE SYSTEM MOVES WESTWARD OVER THE TROPICAL ATLANTIC," THE HURRICANE CENTER SAID.
PAGASA EXPECTS THE WEATHER DISTURBANCE TO STRENGTHEN INTO A TROPICAL STORM BY THURSDAY MORNING AND INTO A SEVERE TROPICAL STORM BY SUNDAY MORNING.
ON 17 SEPTEMBER 2019, TROPICAL DEPRESSION "NIMFA" SLOWLY MOVED WEST NORTHWESTWARD OVER THE NORTHERN PORTION OF THE PHILIPPINE SEA AND INTENSIFIED INTO A SEVERE TROPICAL STORM ON 19 SEPTEMBER 2019. TS "NIMFA" EXITED THE PHILIPPINE AREA OF RESPONSIBILITY (PAR) ON 21 SEPTEMBER 2019.
OVER WARM WATER, THE FUELING TROPICAL DEPRESSION WILL SUCK UP MORE WARM, MOIST WATER VAPOR LIKE A STRAW, MAKING THE SYSTEM STRONGER AND CONDENSING THE DRY, LOW-PRESSURE INTO THE CENTER. THIS IS WHEN A TROPICAL STORM FORMS. AS THE STORM CONTINUES SUCKING UP WATER VAPOR, IT PUSHES MORE WIND TO THE OUTER EDGES OF THE STORM SYSTEM, CAUSING THE WIND TO WICK UP MORE MOISTURE AND CREATING A FEEDBACK LOOP. IF SUSTAINED, THE LOW-PRESSURE CENTER IN A TROPICAL STORM WILL FORM THE EYE OF A HURRICANE.

 

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