189  
TCPZ21 KNHC 172146  
STDEP1  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2145 UTC TUE NOV 17 2020  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
TWENTY-ONE [21E] 17/1800 UTC 15N 113W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 110MM AT 13N 115W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 30MM AT 13N 115W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
116W-115W 115W-114W 114W-113W 113W-112W 112W-111W 111W-110W  
17N-18N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
16N-17N 0- 0 0- 10 0- 0 0- 0 0- 0 0- 0  
15N-16N 0- 20 0- 10 0- 0 0- 0 0- 0 0- 0  
14N-15N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
13N-14N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
12N-13N 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......................   
...
 
116W-115W 115W-114W 114W-113W 113W-112W 112W-111W 111W-110W  
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  
13N-14N 999-999 999-999 999-999 999-999 999-999 999-999  
12N-13N 999-999 999-999 999-999 999-999 999-999 999-999   
...............................................................
 
 
RAINFALL ESTIMATED FROM 12 UTC 17 NOV GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 270MM AT 15N 114W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 60MM AT 15N 114W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
116W-115W 115W-114W 114W-113W 113W-112W 112W-111W 111W-110W  
17N-18N 0- 10 0- 20 0- 60 10- 60 10- 10 0- 10  
16N-17N 20- 30 30- 90 70-150 20-130 10- 60 10- 20  
15N-16N 0- 10 20- 60 50- 60 20- 50 20- 40 10- 20  
14N-15N 0- 0 0- 20 40- 50 40- 90 30- 50 10- 20  
13N-14N 0- 0 10- 20 20- 30 20- 30 0- 30 10- 10  
12N-13N 0- 0 0- 10 10- 20 0- 20 0- 10 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  
 
NOTICE: THIS PRODUCT IS BEING CONSIDERED FOR DISCONTINUANCE.  
IF THIS PRODUCT IS USEFUL FOR YOU, PLEASE SEND COMMENTS BY  
EMAIL TO TROPICAL.PROGRAM@NOAA.GOV BY NOVEMBER 23RD, 2020.  
 
FORECASTER TAFB  
 

 
 
 
 
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