077  
TCPZ22 KNHC 232146  
STDEP2  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2145 UTC WED SEP 23 2020  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
TROPICAL STORM LOWELL [17E] 23/1800 UTC 21N 122W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 20MM AT 19N 120W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 10MM AT 19N 120W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
125W-124W 124W-123W 123W-122W 122W-121W 121W-120W 120W-119W  
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- 10 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......................   
...
 
125W-124W 124W-123W 123W-122W 122W-121W 121W-120W 120W-119W  
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 23 SEP GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 180MM AT 20N 119W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 40MM AT 20N 119W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
125W-124W 124W-123W 123W-122W 122W-121W 121W-120W 120W-119W  
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- 10 0- 20  
20N-21N 0- 0 0- 0 0- 10 0- 10 0- 10 10- 40  
19N-20N 0- 0 0- 0 0- 10 0- 10 0- 10 10- 40  
18N-19N 0- 0 0- 0 0- 0 0- 10 0- 10 0- 10   
...............................................................
 
 
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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