SOUTH INDIAN: 22S(MARIAN) 85knots, slow-moving and gradually weakening next 48hours, 01/15utc update


ANIMATED ENHANCED INFRARED SATELLITE IMAGERY INDICATES THAT THE CONVECTIVE CLOUD TOPS HAVE WARMED AND THE EYE HAS BECOME INCREASINGLY RAGGED OVER THE PAST SIX HOURS. CLICK ON THE IMAGERY TO ANIMATE IT.


22S(MARIAN). 01/1330UTC. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY INDICATES THAT THE CONVECTIVE CLOUD  TOPS HAVE WARMED AND THE EYE HAS BECOME INCREASINGLY RAGGED OVER THE  PAST SIX HOURS. CLICK ON THE IMAGERY TO ANIMATE IT.
22S(MARIAN). 01/1330UTC. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY INDICATES THAT THE CONVECTIVE CLOUD TOPS HAVE WARMED AND THE EYE HAS BECOME INCREASINGLY RAGGED OVER THE PAST SIX HOURS. CLICK ON THE IMAGERY TO ANIMATE IT.
2021 MAR 01 15UTC #SOUTHERNHEMISPHERE
TC #22S  #SOUTHINDIANOCEAN
WARNING 8
As of 12:00 UTC Mar 01, 2021:
Location: 18.3°S 89.5°E
Maximum Winds: 85 kt (160km/h)
Gusts: 105 kt ( 195km/h)
Minimum Central Pressure: 966 mb
CATEGORY US : 2
WEAKENING
LOCATED AT 01/12UTC APPROXIMATELY 1040 KM SOUTHWEST OF COCOS ISLANDS, AUSTRALIA, HAS TRACKED WEST-
SOUTHWESTWARD AT 07 KM/H OVER THE PAST SIX HOURS.
Satellite bulletins are to be found in the comments of this post on JTWC BIS

Cheers,
Patrick Hoareau
 Météo974
M974World
Cyclone Class 4
 Cheers,PH.

Joint Typhoon Warning Center

22S(MARIAN). WARNING 8 ISSUED AT 01/15UTC.
22S(MARIAN). WARNING 8 ISSUED AT 01/15UTC.


22S(MARIAN). 01/1029UTC. DMSP VISIBLE.
22S(MARIAN). 01/1029UTC. DMSP VISIBLE.

22S(MARIAN). 01/1045UTC. SSMIS 37GHZ MICROWAVE IMAGE SHOWED A WELL DEFINED MICROWAVE EYE FEATURE, WHICH LENT HIGH CONFIDENCE TO THE INITIAL  POSITION.
22S(MARIAN). 01/1045UTC. SSMIS 37GHZ MICROWAVE IMAGE SHOWED A WELL DEFINED MICROWAVE EYE FEATURE, WHICH LENT HIGH CONFIDENCE TO THE INITIAL POSITION.

22S(MARIAN). 01/1045UTC. THE 91GHZ IMAGE INDICATED THAT THE SYSTEM HAS  BECOME TILTED ALONG THE DOWN-SHEAR AXIS, WITH THE UPPER-LEVEL EYE  TILTED TO THE SOUTH FROM THE LOW LEVEL SIGNATURE(IMAGE ABOVE), CONFIRMED BY HWRF  CROSS SECTION ANALYSIS..
22S(MARIAN). 01/1045UTC. THE 91GHZ IMAGE INDICATED THAT THE SYSTEM HAS BECOME TILTED ALONG THE DOWN-SHEAR AXIS, WITH THE UPPER-LEVEL EYE TILTED TO THE SOUTH FROM THE LOW LEVEL SIGNATURE(IMAGE ABOVE), CONFIRMED BY HWRF CROSS SECTION ANALYSIS..

22S(MARIAN). UPPER-LEVEL DIVERGENCE IS MUCH WEAKER AS  THE SYSTEM BECOMES ISOLATED FOR ANY TAP INTO THE DEEP WESTERLIES.
22S(MARIAN). UPPER-LEVEL DIVERGENCE IS MUCH WEAKER AS THE SYSTEM BECOMES ISOLATED FOR ANY TAP INTO THE DEEP WESTERLIES.

22S(MARIAN). 03/12UTC. CIMSS Vertical Shear Magnitude : 1.0 m/s ( 1.9 kts) Direction :   56.4 deg Experimental Vertical Shear and TC Intensity Trend Estimates: UNFAVOURABLE OVER 24H.
22S(MARIAN). 03/12UTC. CIMSS Vertical Shear Magnitude : 1.0 m/s ( 1.9 kts) Direction : 56.4 deg Experimental Vertical Shear and TC Intensity Trend Estimates: UNFAVOURABLE OVER 24H.
Rédigé par PATRICK HOAREAU le Lundi 1 Mars 2021 à 18:45