283  
TCNT21 KNHC 180346  
STDAT1  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0345 UTC WED NOV 18 2020  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
TROPICAL STORM IOTA [31L] 18/0000 UTC 14N 87W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 100MM AT 14N 90W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 30MM AT 14N 90W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
90W- 89W 89W- 88W 88W- 87W 87W- 86W 86W- 85W 85W- 84W  
16N-17N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
15N-16N 0- 0 0- 0 0- 10 0- 0 0- 0 0- 0  
14N-15N 0- 10 0- 20 0- 10 0- 0 0- 0 0- 0  
13N-14N 0- 30 0- 0 0- 0 0- 0 0- 0 0- 0  
12N-13N 0- 10 0- 0 0- 0 0- 0 0- 0 0- 0  
11N-12N 0- 0 0- 0 0- 0 0- 0 0- 0 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......................   
...
 
90W- 89W 89W- 88W 88W- 87W 87W- 86W 86W- 85W 85W- 84W  
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  
11N-12N 999-999 999-999 999-999 999-999 999-999 999-999   
...............................................................
 
 
RAINFALL ESTIMATED FROM 18 UTC 17 NOV GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 00-00 UTC- 770MM AT 16N 89W  
6-HR RAINFALL MAXIMUM FROM 18-00 UTC- 170MM AT 16N 87W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 18-00 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
90W- 89W 89W- 88W 88W- 87W 87W- 86W 86W- 85W 85W- 84W  
16N-17N 20- 20 10- 30 20- 80 30- 90 30- 60 10- 20  
15N-16N 10- 30 70-100 50-170 10-100 10- 60 10- 60  
14N-15N 0- 10 0- 40 30- 60 20- 40 10- 30 0- 20  
13N-14N 0- 0 0- 0 10- 30 50- 60 30- 50 0- 20  
12N-13N 10- 10 0- 10 10- 20 20- 60 10- 30 0- 0  
11N-12N 0- 10 0- 10 0- 10 10- 10 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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