938 TCNT23 KNHC 112145 STDAT3 SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES NWS NATIONAL HURRICANE CENTER MIAMI FL 2145 UTC TUE SEP 11 2018 SYSTEM NAME DATE/TIME LOCATION ----------- --------- -------- HURRICANE HELENE [08L] 11/1800 UTC 17N 35W RAINFALL ESTIMATED BY SATELLITE VIA QMORPH... 24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 140MM AT 14N 32W 6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 40MM AT 14N 32W RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC... LATITUDE............................LONGITUDE...................... ....... 38W- 37W 37W- 36W 36W- 35W 35W- 34W 34W- 33W 33W- 32W 19N-20N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0 18N-19N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0 17N-18N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 20 16N-17N 0- 0 0- 0 0- 0 0- 0 0- 20 10- 30 15N-16N 0- 0 0- 10 0- 0 0- 10 0- 20 0- 20 14N-15N 0- 0 0- 10 0- 0 0- 10 0- 20 0- 30 ................................................................... RAINFALL ESTIMATED BY SATELLITE VIA NRL-BLEND... 24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 0MM AT 0N 0W 6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 0MM AT 0N 0W RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC... LATITUDE............................LONGITUDE...................... ....... 38W- 37W 37W- 36W 36W- 35W 35W- 34W 34W- 33W 33W- 32W 19N-20N 999-999 999-999 999-999 999-999 999-999 999-999 18N-19N 999-999 999-999 999-999 999-999 999-999 999-999 17N-18N 999-999 999-999 999-999 999-999 999-999 999-999 16N-17N 999-999 999-999 999-999 999-999 999-999 999-999 15N-16N 999-999 999-999 999-999 999-999 999-999 999-999 14N-15N 999-999 999-999 999-999 999-999 999-999 999-999 ................................................................... RAINFALL ESTIMATED FROM 12 UTC 11 SEP GFS MODEL RUN... 24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 220MM AT 18N 35W 6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 150MM AT 18N 34W RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC... LATITUDE............................LONGITUDE...................... ....... 38W- 37W 37W- 36W 36W- 35W 35W- 34W 34W- 33W 33W- 32W 19N-20N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0 18N-19N 0- 0 0- 0 0- 20 10- 60 0- 20 10- 20 17N-18N 0- 0 0- 10 20- 80 80-150 20-100 10- 10 16N-17N 0- 0 0- 10 20- 60 10- 30 10- 50 0- 10 15N-16N 0- 0 0- 0 0- 10 0- 20 0- 20 0- 0 14N-15N 0- 0 0- 20 0- 10 0- 0 0- 0 0- 0 ................................................................... DIFFERENCES BETWEEN THE SATELLITE AND MODEL-DERIVED RAINFALL ESTIMATES INDICATE UNCERTAINTY IN THE AMOUNT OF RAIN RECEIVED RAINFALL MAY BE UNDERESTIMATED ON THE WINDWARD SIDE OF TERRAIN PLEASE SEE THE LATEST TROPICAL CYCLONE PUBLIC ADVISORY FOR THE OFFICIAL RAINFALL FORECAST FOR TROPICAL CYCLONES FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE/RAINFALL FORECASTER TAFB $$ NNNN