611  
TCPZ22 KNHC 200346  
STDEP2  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0345 UTC WED SEP 20 2017  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
NORMA [17E] 20/0000 UTC 22N 115W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 0MM AT 22N 114W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 0MM AT 22N 114W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
118W-117W 117W-116W 116W-115W 115W-114W 114W-113W 113W-112W  
24N-25N 0- 0 0- 20 0- 30 0- 10 0- 10 0- 20  
23N-24N 0- 0 0- 10 0- 10 0- 20 10- 10 0- 10  
22N-23N 0- 0 0- 20 10- 20 0- 20 0- 10 0- 0  
21N-22N 0- 20 0- 20 10- 10 0- 10 0- 0 0- 0  
20N-21N 0- 20 10- 20 0- 10 0- 10 0- 0 0- 0  
19N-20N 0- 20 10- 20 0- 10 0- 0 0- 10 0- 0   
...............................................................
 
 
RAINFALL ESTIMATED BY SATELLITE VIA NRL-BLEND...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 0MM AT 0N 0W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 0MM AT 0N 0W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
118W-117W 117W-116W 116W-115W 115W-114W 114W-113W 113W-112W  
24N-25N 999-999 999-999 999-999 999-999 999-999 999-999  
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   
...............................................................
 
 
RAINFALL ESTIMATED FROM 18 UTC 19 SEP GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 20MM AT 22N 117W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 10MM AT 21N 115W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
118W-117W 117W-116W 116W-115W 115W-114W 114W-113W 113W-112W  
24N-25N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 10  
23N-24N 0- 0 0- 10 0- 50 10- 50 0- 20 0- 0  
22N-23N 0- 10 10- 50 60-100 30-100 20- 30 0- 10  
21N-22N 0- 10 0- 30 10- 20 30- 60 10- 20 0- 10  
20N-21N 0- 10 0- 0 0- 10 10- 20 0- 10 0- 0  
19N-20N 0- 0 0- 10 0- 10 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  
 

 
 
 
 
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