493  
TCPZ22 KNHC 211546  
STDEP2  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1545 UTC MON SEP 21 2020  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
SEVENTEEN [17E] 21/1200 UTC 17N 111W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 90MM AT 18N 109W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 20MM AT 18N 109W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
114W-113W 113W-112W 112W-111W 111W-110W 110W-109W 109W-108W  
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- 0  
16N-17N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
15N-16N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
14N-15N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0   
...............................................................
 
 
RAINFALL ESTIMATED BY SATELLITE VIA NRL-BLEND...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 0MM AT 0N 0W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 0MM AT 0N 0W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
114W-113W 113W-112W 112W-111W 111W-110W 110W-109W 109W-108W  
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 06 UTC 21 SEP GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 270MM AT 17N 113W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 40MM AT 15N 111W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
114W-113W 113W-112W 112W-111W 111W-110W 110W-109W 109W-108W  
19N-20N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
18N-19N 0- 0 0- 0 0- 20 0- 30 0- 20 0- 10  
17N-18N 0- 0 0- 10 0-110 10-110 0- 20 0- 10  
16N-17N 0- 0 0- 0 0- 30 0- 30 0- 10 0- 10  
15N-16N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
14N-15N 0- 0 0- 0 0- 0 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  
 

 
 
 
 
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