Development of an unusal tropical cyclone in the Mediterranean Sea

November 8th, 2011 |
EUMETSAT Meteosat-9 10.8 µm IR images

EUMETSAT Meteosat-9 10.8 µm IR images

A sequence of EUMETSAT Meteosat-9 10.8 µm IR images at 6-hour intervals (above) showed the development of an unusual tropical cyclone over the western Mediterranean Sea during the 06 November – 08 November 2011 time period.

The tropical cyclone was designated “01M” in a bulletin issued by NOAA/NESDIS Satellie Analysis Branch at 18:19 UTC on 07 November:

TXMM21 KNES 071819
TCSMED

A. 01M (NONAME)

B. 07/1800Z

C. 41.1N

D. 5.3E

E. THREE/MET-9

F. T2.5/2.5/D1.5/24HRS

G. IR/EIR/SWIR

H. REMARKS…DT=2.5 BASED ON .5 BANDING ON LOG10 SPIRAL. PT=2.5. MET=2.0. FT IS BASED ON DT. DEEP CONVECTION HAS PERSISTED LONG ENOUGH AROUND THE LOW LEVEL CENTER FOR A TROPICAL CLASSIFICATION.

I. ADDL POSITIONS

NIL

…SCHWARTZ

Wind speeds were estimated to have reached 45 knots according to various satellite analysis techniques.

Shown below is a comparison of EUMETSAT Meteosat-9 0.64 µm visible channel images at 12:00 UTC on 07 November and 08 November.

EUMETSAT Meteosat-9 0.64 µm visble channel images at 12:00 UTC on 07 and 08 November

EUMETSAT Meteosat-9 0.64 µm visble channel images at 12:00 UTC on 07 and 08 November

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