207  
TCNT21 KNHC 171546  
STDAT1  
SATELLITE TROPICAL DISTURBANCE RAINFALL ESTIMATES  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1545 UTC TUE NOV 17 2020  
 
SYSTEM NAME DATE/TIME LOCATION  
----------- --------- --------  
HURRICANE IOTA [31L] 17/1200 UTC 14N 85W  
 
RAINFALL ESTIMATED BY SATELLITE VIA QMORPH...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 60MM AT 15N 88W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 20MM AT 15N 88W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
88W- 87W 87W- 86W 86W- 85W 85W- 84W 84W- 83W 83W- 82W  
16N-17N 0- 0 0- 0 0- 0 0- 0 0- 0 0- 0  
15N-16N 0- 10 0- 0 0- 0 0- 0 0- 0 0- 0  
14N-15N 0- 10 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   
...............................................................
 
 
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......................   
...
 
88W- 87W 87W- 86W 86W- 85W 85W- 84W 84W- 83W 83W- 82W  
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 06 UTC 17 NOV GFS MODEL RUN...  
24-HR RAINFALL MAXIMUM FROM 12-12 UTC- 860MM AT 14N 85W  
6-HR RAINFALL MAXIMUM FROM 06-12 UTC- 170MM AT 14N 85W  
RAINFALL DISTRIBUTION IN MM OVER THE LAST 6 HOURS FROM 06-12 UTC...  
 
LATITUDE............................LONGITUDE......................   
...
 
88W- 87W 87W- 86W 86W- 85W 85W- 84W 84W- 83W 83W- 82W  
16N-17N 10- 20 10- 20 10- 10 10- 10 10- 10 10- 10  
15N-16N 10- 40 0- 30 30- 60 20- 60 10- 40 10- 10  
14N-15N 0- 0 0- 20 50-120 60- 90 30- 50 10- 10  
13N-14N 0- 0 10- 20 10-100 60-170 30- 60 0- 10  
12N-13N 0- 0 0- 20 20- 30 10- 50 0- 30 0- 10  
11N-12N 0- 0 0- 10 0- 10 0- 10 0- 0 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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