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Atlantic Tropical Action 2014


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IMHO, I think it's a waste of government resources to classify a minimal storm that will be inland later today and completely dissipated by tomorrow. I think a general population wouldn't be able to tell the difference between a minimal tropical storm and a day of rain and wind anyway. 

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Clearly this is a tropical cyclone at this time.

 

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Indeed.

000WTNT34 KNHC 271303TCPAT4BULLETINTROPICAL STORM HANNA ADVISORY NUMBER   6NWS NATIONAL HURRICANE CENTER MIAMI FL       AL0920141100 AM EDT MON OCT 27 2014...TROPICAL STORM HANNA FORMS JUST OFF OF THE COAST OF NICARAGUA......FORECAST TO MOVE INLAND SOON AND PRODUCE HEAVY RAINFALL...SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION-----------------------------------------------LOCATION...14.5N 83.2WABOUT 35 MI...60 KM NNE OF PUERTO CABEZAS NICARAGUAABOUT 35 MI...55 KM S OF CABO GRACIAS A DIOS ON NIC/HON BORDERMAXIMUM SUSTAINED WINDS...40 MPH...65 KM/HPRESENT MOVEMENT...WSW OR 250 DEGREES AT 7 MPH...11 KM/HMINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHESWATCHES AND WARNINGS--------------------CHANGES WITH THIS ADVISORY...THE GOVERNMENTS OF HONDURAS AND NICARAGUA HAVE ISSUED A TROPICALSTORM WARNING FROM PUNTA PATUCA HONDURAS SOUTHWARD TO PUERTO CABEZASNICARAGUA.SUMMARY OF WATCHES AND WARNINGS IN EFFECT...A TROPICAL STORM WARNING IS IN EFFECT FOR...* PUNTA PATUCA HONDURAS SOUTHWARD TO PUERTO CABEZAS NICARAGUAA TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS AREEXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHINTHE NEXT 6 TO 12 HOURS.FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITORPRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.DISCUSSION AND 48-HOUR OUTLOOK------------------------------AT 1100 AM EDT...1500 UTC...THE CENTER OF TROPICAL STORM HANNA WASLOCATED VERY CLOSE TO THE COAST OF NICARAGUA NEAR LATITUDE 14.5NORTH...LONGITUDE 83.2 WEST.  HANNA IS MOVING TOWARD THEWEST-SOUTHWEST NEAR 7 MPH...11 KM/H...AND THIS GENERAL MOTION ISEXPECTED TO CONTINUE FOR THE NEXT DAY OR SO.  ON THE FORECASTTRACK...THE CENTER OF HANNA IS EXPECTED TO MOVE INLAND ALONG THENORTHEASTERN COAST OF NICARAGUA BY THIS AFTERNOON.MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH...65 KM/H...WITH HIGHERGUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST UNTIL LANDFALLOCCURS.  WEAKENING IS FORECAST ONCE HANNA MOVES INLAND...AND IT ISEXPECTED TO DISSIPATE OVER LAND ON TUESDAY.TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 80 MILES...130 KMFROM THE CENTER.THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1005 MB...29.68 INCHES.HAZARDS AFFECTING LAND----------------------WIND...TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNINGAREA THROUGH THIS EVENING.RAINFALL...HANNA IS EXPECTED TO PRODUCE TOTAL RAINFALLACCUMULATIONS OF 10 TO 12 INCHES...WITH MAXIMUM AMOUNTS OF 15INCHES...ACROSS HONDURAS AND NORTHERN NICARAGUA.  THESE RAINFALLAMOUNTS WILL PRODUCE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES.NEXT ADVISORY-------------NEXT INTERMEDIATE ADVISORY...200 PM EDT.NEXT COMPLETE ADVISORY...500 PM EDT.$$FORECASTER BERG
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IMHO, I think it's a waste of government resources to classify a minimal storm that will be inland later today and completely dissipated by tomorrow. I think a general population wouldn't be able to tell the difference between a minimal tropical storm and a day of rain and wind anyway. 

 

 

scientific integrity

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It also looks like the remnant circulation of Hannah is back out over the Caribbean. Not impressive from a convective perspective, but still has a circulation looking at first light visible. 

 

Yes, the visible loop shows what appears to be a well-defined circulation near the island of Roatan, moving westward.  It won't have much time to reorganize, though, before moving into Belize.

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Mindblown. I have heard of sub-tropical cyclones in this basin but never hurricanes.

 

It appears there have been a few rare analogs, SST's are very warm, some areas nearing the 26C benchmark for TC formation. 

 

http://en.wikipedia.org/wiki/Mediterranean_tropical_cyclone#November_2011_.28Rolf.2F01M.29

http://en.wikipedia.org/wiki/Mediterranean_tropical_cyclone#Known_occurrences_and_impacts

 

sst-med-nov7.png

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