TXPS41 PHFO 281155 TCSSP1 SOUTH PACIFIC TROPICAL CYCLONE SUMMARY - FIXES NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI 1155 UTC SAT FEB 28 2026 A. TROPICAL CYCLONE URMIL (09F/23P) B. 28/1130Z C. 21.4S D. 172.3E E. HIMAWARI-9 F. T4.5/4.5/D1.0/24 HRS G. IR/EIR H. REMARKS...CONVECTION WRAPS .8 ON THE LOG10 SPRIRAL YIELDING A DT OF 4.0 (ADDED .5 DUE TO WHITE BAND). MET ANT PT ARE 4.5. FT IS BASED ON MET. I. ADDL POSITIONS NONE. $$ GIBBS
TPPS11 PGTW 281211 A. TROPICAL CYCLONE 23P (URMIL) B. 28/1130Z C. 20.63S D. 173.60E E. FIVE/HMWRI9 F. T4.0/4.0/S0.0/24HRS STT: D0.5/03HRS G. IR/EIR H. REMARKS: 38A/PBO SBC/ANMTN. CNVCTN WRAPS .80 ON LOG10 SPIRAL YIELDING A DT OF 3.5. BOTH MET AND PT YIELD 4.0. DBO PT. I. ADDITIONAL POSITIONS: 28/0625Z 20.70S 171.47E SSMS LINDGREN
TXPS24 KNES 281229 TCSWSP A. 23P (URMIL) B. 28/1130Z C. 21.3S D. 172.7E E. THREE/HIMAWARI-9 F. T4.0/4.0 G. IR/EIR/SWIR/WSFM H. REMARKS...CENTER EMBEDDED 1/3 DEG INTO A LARGE COLD OVERCAST RESULTS IN A DT OF 3.5. THE MET EQUALS 3.5 BASED ON A STEADY 24-HOUR TREND AND THE PT EQUALS 4.0. THE FT IS BASED ON THE PT DUE TO UNCERTAINTY IN THE EXACT LLCC LOCATION. I. ADDL POSITIONS 28/0626Z 20.5S 171.6E WSFM ...LINER