TXPQ21 KNES 202137
TCSWNP

A.  TROPICAL DISTURBANCE (91W)

B.  20/2101Z

C.  18.2N

D.  145.8E

E.  FIVE/MTSAT

F.  T2.0/2.0/D1.5/24HRS

G.  IR/EIR/SWIR/VIS/AMSU/SSMI/SSMIS

H.  REMARKS...91W HAS BECOME THE DOMINANT CENTER OF THE 91W/98W
MONSOON GYRE PAIR. CENTER IS BASED ON LOCATION OF MINI-SWIRL NEAR PAGAN
THAT MAY BE SHEARING OUT ON THE PERIPHERY OF THE PARENT CIRCULATION.
THIS RECONSOLIDATION OF THE LARGER CENTER HINTED AT ON THE 1933Z SSMIS
PASS TO THE NE, NEAR 18.9N146.7E...BUT CANNOT CONFIRM AT THIS TIME AND
WILL CONTINUE TO TRACK MINI-SWIRL ATTM.  AS SUCH THIS CAUSES ISSUES WITH
DT DETERMINATION AS SYSTEM HAS CLEAR SHEAR PATTERN. AT CURRENT LOCATION
LLC IS 1.15 DEGREES FROM DEEP CONVECTION YIELDING A RANGE CAPABLE OF
1.5 OR 2.0. GIVEN POTENTIAL OF CENTER BEING CLOSER TO CONVECTION AT THIS
TIME AND .3 BANDING PLUS WHITE BEING MEASURED AS A SECONDARY METHOD FELT
DT OF 2.0 WAS WARRANTED. MET IS 1.5. PT IS 2.0. FT IS BASED ON DT. THIS
MAY BE THE FINAL BULLETIN ON THIS SYSTEM GIVEN CONSOLIDATION TO SYSTEM
98W WITHIN ATCF.

I.  ADDL POSITIONS

    20/1601Z 19.6N 146.0E AMSU
    20/1716Z 19.0N 145.7E SSMI
    20/1933Z 18.6N 145.7E SSMIS


...GALLINA