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By: NCHurricane2009 , 12:11 PM GMT on June 07, 2014
2014 Atlantic Hurricane Season Birdseye Discussion #7
...SATURDAY JUNE 7 2014 8:15 AM EDT...
Tropical disturbance Invest 90-L in the southern Gulf of Mexico has made landfall in east-central Mexico from the Bay of Campeche this morning. Due to land interaction and increasingly unfavorable upper level winds...tropical cyclone formation is no longer possible.
Computer models agree that the 1012 mb frontal low currently located off the coast of the Carolinas (see atmospheric features chart below) is expected to intensify as it zips eastward from its present location to Bermuda in the next 48 Hours. However it is expected to remain non-tropical throughout the intensification.
...ATMOSPHERIC FEATURES BIRDSEYE CHART...
This chart is generated based on surface analysis from the National Hurricane Center TAFB at 0600Z and 0723Z-released WPC analysis.
Features boxed in green...if any...are mentioned in the National Hurricane Center (NHC) traditional 48-hour outlook and or are considered an "Invest" on the Naval Research Laboratory site of the US Navy at the time the chart was generated. I do not box features in green if they are only included in the NHC's longer term 5-day outlook.
In light blue is upper air analysis, with 200 mb wind barbs calculated by GOES satellite imagery showing the upper-level wind direction. Based on the 200 mb wind barbs, blue-dashed lines are locations of upper troughs, blue-zig-zag lines are locations of upper ridges. Blue Ls are locations of upper lows, blue Hs are locations of upper ridges.
In red is surface analysis, with solid lines indicating locations of surface fronts, dashed lines indicating locations of surface troughs, and zig-zag lines indicating surface ridge axes. Ls indicate surface lows, Hs indicate surface highs.
...THERMODYNAMICS BIRDSEYE CHART...
This chart is generated using GOES water vapor satellite imagery. Brown indicates dry air. White, blue, and purple indicates moist air. An increase in moisture indicates slower air parcel lapse rates with elevation and hence an increase toward instability.
Sea-surface temperatures are overlaid with light blue isotherms. The 26 deg C isotherm is highlighted in red. Waters at and south of the 26 deg C isotherm indicate low-level warmth and hence faster environmental lapse rates with elevation (more instability). Waters north of the 26 deg C isotherm indicate slower environmental lapse rates with elevation (less instability).
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