| HOME | ARCHIVES | FORECASTS | IMAGERY | ABOUT NHC | RECONNAISSANCE |

Post-Tropical Cyclone Sam Forecast Advisory (Text)


Home   Public Adv   Discussion   Wind Probs   Graphics   Archive  


490 
WTNT23 KNHC 050832
TCMAT3

POST-TROPICAL CYCLONE SAM FORECAST/ADVISORY NUMBER  51
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182021
0900 UTC TUE OCT 05 2021

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

POST-TROPICAL CYCLONE CENTER LOCATED NEAR 51.0N  39.4W AT 05/0900Z
POSITION ACCURATE WITHIN  25 NM

PRESENT MOVEMENT TOWARD THE NORTH OR  10 DEGREES AT  20 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  970 MB
MAX SUSTAINED WINDS  70 KT WITH GUSTS TO  85 KT.
64 KT.......  0NE  70SE  70SW   0NW.
50 KT.......120NE 150SE 150SW  60NW.
34 KT.......240NE 270SE 400SW 300NW.
12 FT SEAS..240NE 420SE 780SW 390NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 51.0N  39.4W AT 05/0900Z
AT 05/0600Z CENTER WAS LOCATED NEAR 50.0N  39.5W

FORECAST VALID 05/1800Z 52.1N  38.9W...POST-TROP/EXTRATROP
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 60NE  60SE  50SW   0NW.
50 KT...100NE 110SE 110SW 100NW.
34 KT...300NE 340SE 480SW 330NW.

FORECAST VALID 06/0600Z 52.8N  35.1W...POST-TROP/EXTRATROP
MAX WIND  60 KT...GUSTS  75 KT.
50 KT...110NE 150SE 150SW  70NW.
34 KT...300NE 450SE 480SW 300NW.

FORECAST VALID 06/1800Z 54.3N  30.0W...POST-TROP/EXTRATROP
MAX WIND  55 KT...GUSTS  65 KT.
50 KT...  0NE 100SE 100SW   0NW.
34 KT...240NE 300SE 270SW 180NW.

FORECAST VALID 07/0600Z 57.9N  24.6W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.
50 KT...  0NE   0SE  90SW  50NW.
34 KT...200NE 230SE 190SW 150NW.

FORECAST VALID 07/1800Z 61.8N  23.9W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...400NE 280SE 270SW 420NW.

FORECAST VALID 08/0600Z 62.7N  27.4W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...330NE 280SE 390SW 420NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 09/0600Z 61.7N  26.2W...POST-TROP/EXTRATROP
MAX WIND  40 KT...GUSTS  50 KT.

OUTLOOK VALID 10/0600Z 63.6N  15.0W...POST-TROP/EXTRATROP
MAX WIND  40 KT...GUSTS  50 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 51.0N  39.4W

THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE 
CENTER ON SAM. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND 
IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE... 
UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC.

$$
FORECASTER STEWART




Standard version of this page

Alternate Formats
About Alternates - E-Mail Advisories - RSS Feeds

Cyclone Forecasts
Latest Advisory - Past Advisories - About Advisories

Marine Forecasts
Latest Products - About Marine Products

Tools & Data
Satellite Imagery - US Weather Radar - Aircraft Recon - Local Data Archive - Forecast Verification - Deadliest/Costliest/Most Intense

Learn About Hurricanes
Storm Names Wind Scale - Prepare - Climatology - NHC Glossary - NHC Acronyms - Frequently Asked Questions - AOML Hurricane-Research Division

About Us
About NHC - Mission/Vision - Other NCEP Centers - NHC Staff - Visitor Information - NHC Library

Contact Us


NOAA/ National Weather Service
National Centers for Environmental Prediction
National Hurricane Center
11691 SW 17th Street
Miami, Florida, 33165-2149 USA
nhcwebmaster@noaa.gov
Disclaimer
Privacy Policy
Credits
About Us
Glossary
Career Opportunities
Page last modified: Tuesday, 05-Oct-2021 08:32:49 UTC