Tropical Storm Peter » Text Products





UNIQUE IDENTIFIER: r
TIME (e.g. 1800 UTC SAT FEB 22 2020): 0930 UTC MON SEP 20 2021
ADVISORY HEADLINE: RECONNAISSANCE AIRCRAFT FINDS PETER HAS CHANGED LITTLE


INPUT INTERP ATCF: al162021 PETER 20210920 0915 19.12 -59.55 L TS 44.86 1005.0 12.63 287.93
ADVISORY NUMBER: 1


NEXT ADVISORY TIME (e.g. SEP 16 2021, 1800 UTC)SEP 20 2021, 2100 UTC.

Please allow time for floater to build.

• STORM FLOATER •

  L ()
PUBLIC ADVISORY #
FORCE THIRTEEN , 

 
......
 
SUMMARY OF INFORMATION
-----------------------------------
LOCATION...NEAR    ...
MAXIMUM SUSTAINED WINDS...MPH...KM/H
MINIMUM CENTRAL PRESSURE...MB
 
WATCHES AND WARNINGS
-----------------------------------

DISCUSSION
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Peter is a strongly sheared tropical storm. Reconnaissance wind 
data, conventional satellite imagery, and passive microwave 
satellite data indicate that Peter's center is located just to the 
west of the deep convection. Data from the aircraft support holding 
the intensity at 45 kt for now based on 925-mb flight-level and 
SFMR winds of 53 kt and 41 kt, respectively, on their last leg when 
the aircraft came in from the northeast. The central pressure had 
also increased only slightly to 1006 mb.

Some fluctuations in intensity will be possible during the next 
24-36 hours owing to 5-10 kt fluctuations in the magnitude and also 
the direction of the deep-layer vertical wind shear. However, by 48 
hours and beyond, a slow weakening trend is expected due to the 
shear increasing from the southwest and west-southwest of near 30 
kt.

LOCAL AND OFFICIAL SOURCES BELOW
National Hurricane Center (Atlantic)
 

 
$$
Forecaster 

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