Free Republic

Friday morning, the National Hurricane Center in Miami issued a statement announcing the first named storm of the 2018 Atlantic Basin Hurricane Season. Subtropical Storm Alberto had formed in the northeastern Caribbean, just off the coast of Cozumel, Mexico. Most of us are familiar with the term “Tropical” storm. But what exactly is a “Sub”tropical storm? A subtropical storm is actually a hybrid of an extratropical storm, and a tropical storm. So we’ll identify all three types of storms. EXTRA-TROPICAL STORM An extratropical storm has a cold core at its central point. It is often associated with frontal zones, such...

SUBTROPICAL STORM LAURA DISCUSSION NUMBER 1 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL122008 500 AM EDT MON SEP 29 2008 DURING THE PAST 6 HOURS...CONVENTIONAL SATELLITE IMAGERY INDICATES DEEP CONVECTION WITH CLOUD TOPS TO NEAR -70C HAS CONTINUED TO INCREASE AND HAS STARTED WRAPPING AROUND AND VERY NEAR THE CENTER OF THE LARGE NON-TROPICAL LOW PRESSURE SYSTEM LOCATED ABOUT 775 NMI WEST OF THE WESTERNMOST AZORES ISLANDS. THERE IS ENOUGH CONVECTION NEAR THE CENTER NOW FOR THIS SYSTEM TO BE CLASSIFIED AS A SUBTROPICAL STORM. THE 06Z SATELLITE CLASSIFICATION FROM TAFB WAS ST3.0/45 KT...BUT USING THE DVORAK TECHNIQUE FOR A...

PARIS (AFP) - The North Pole once had a balmy, sub-tropical sea because of extreme global warming, according to European scientists who have carried out the world's deepest drilling into ancient sediment on the far northern seabed. Cores retrieved from up to 430 metres (1,397 feet) below the seafloor in waters 1,300 metres (4,550 feet) deep show that, for a brief period which occurred around 55 million years ago, the Arctic Ocean was around 20 C (68 F), compared with today's typical average temperature of minus 1.5 C (29.3 F), they said on Tuesday. "It occurred during a period called...