699 TCNT23 KNHC 122145 STDAT3 SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES NWS NATIONAL HURRICANE CENTER MIAMI FL 2145 UTC WED SEP 12 2018 SYSTEM NAME DATE/TIME LOCATION ----------- --------- -------- HURRICANE HELENE [08L] 12/1800 UTC 21N 37W RAINFALL ESTIMATED BY SATELLITE VIA QMORPH... 24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 10MM AT 23N 40W 6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 0MM AT 23N 40W RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC... LATITUDE............................LONGITUDE...................... ....... 40W- 39W 39W- 38W 38W- 37W 37W- 36W 36W- 35W 35W- 34W 23N-24N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0 22N-23N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0 21N-22N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0 20N-21N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0 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 ................................................................... 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...................... ....... 40W- 39W 39W- 38W 38W- 37W 37W- 36W 36W- 35W 35W- 34W 23N-24N 999-999 999-999 999-999 999-999 999-999 999-999 22N-23N 999-999 999-999 999-999 999-999 999-999 999-999 21N-22N 999-999 999-999 999-999 999-999 999-999 999-999 20N-21N 999-999 999-999 999-999 999-999 999-999 999-999 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 ................................................................... RAINFALL ESTIMATED FROM 12 UTC 12 SEP GFS MODEL RUN... 24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 160MM AT 22N 37W 6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 140MM AT 21N 37W RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC... LATITUDE............................LONGITUDE...................... ....... 40W- 39W 39W- 38W 38W- 37W 37W- 36W 36W- 35W 35W- 34W 23N-24N 0- 0 10- 10 10- 20 0- 10 0- 0 0- 0 22N-23N 0- 10 10- 10 20- 40 10- 60 0- 20 0- 0 21N-22N 0- 10 20- 40 30- 70 100-140 10- 70 0- 10 20N-21N 0- 0 10- 50 10- 70 0- 60 10- 60 0- 10 19N-20N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0 18N-19N 0- 0 0- 0 0- 0 0- 10 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