256  
TCNT21 KNHC 142146  
STDAT1  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2145 UTC SAT NOV 14 2020  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
TROPICAL STORM IOTA [31L] 14/1800 UTC 13N 76W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 180MM AT 10N 79W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 40MM AT 10N 79W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
79W- 78W 78W- 77W 77W- 76W 76W- 75W 75W- 74W 74W- 73W  
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  
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  
11N-12N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
10N-11N 0- 40 0- 40 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......................   
...
 
79W- 78W 78W- 77W 77W- 76W 76W- 75W 75W- 74W 74W- 73W  
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  
10N-11N 999-999 999-999 999-999 999-999 999-999 999-999   
...............................................................
 
 
RAINFALL ESTIMATED FROM 12 UTC 14 NOV GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 18-18 UTC- 1870MM AT 14N 75W  
6-HR RAINFALL MAXIMUM FROM 12-18 UTC- 230MM AT 14N 75W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 12-18 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
79W- 78W 78W- 77W 77W- 76W 76W- 75W 75W- 74W 74W- 73W  
15N-16N 0- 0 0- 0 0- 0 0- 20 10- 90 10- 40  
14N-15N 0- 0 0- 0 0- 0 0- 70 50-230 20- 60  
13N-14N 0- 10 0- 0 0- 10 0- 20 20-130 10- 50  
12N-13N 10- 20 0- 20 0- 20 10- 20 10- 20 0- 20  
11N-12N 10- 30 10- 30 10- 30 10- 30 10- 10 0- 10  
10N-11N 0- 30 0- 30 10- 30 0- 20 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  
 
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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