000 WTPZ24 KNHC 282052 TCMEP4 HURRICANE NORA FORECAST/ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL EP142021 2100 UTC SAT AUG 28 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS UPGRADED THE TROPICAL STORM WARNING AND HURRICANE WATCH NORTH OF SAN BLAS TO ALTATA...MEXICO...TO A HURRICANE WARNING. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * MANZANILLO TO ALTATA MEXICO A HURRICANE WATCH IS IN EFFECT FOR... * NORTH OF ALTATA TO TOPOLOBAMPO MEXICO A TROPICAL STORM WARNING IS IN EFFECT FOR... * SOUTH OF MANZANILLO TO LAZARO CARDENAS MEXICO A TROPICAL STORM WATCH IS IN EFFECT FOR... * CABO SAN LUCAS TO LA PAZ MEXICO A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED 36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. INTERESTS ELSEWHERE ALONG THE COASTS OF SINALOA...SONORA...AND BAJA CALIFORNIA SUR SHOULD MONITOR THE PROGRESS OF NORA. ADDITIONAL WATCHES AND WARNINGS MAY BE REQUIRED FOR PORTIONS OF THESE AREAS TONIGHT OR ON SUNDAY. HURRICANE CENTER LOCATED NEAR 19.7N 105.4W AT 28/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH OR 350 DEGREES AT 12 KT ESTIMATED MINIMUM CENTRAL PRESSURE 977 MB MAX SUSTAINED WINDS 75 KT WITH GUSTS TO 90 KT. 64 KT....... 30NE 30SE 0SW 0NW. 50 KT....... 50NE 70SE 30SW 50NW. 34 KT.......120NE 140SE 90SW 90NW. 12 FT SEAS.. 90NE 270SE 210SW 150NW. 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 19.7N 105.4W AT 28/2100Z AT 28/1800Z CENTER WAS LOCATED NEAR 19.1N 105.3W FORECAST VALID 29/0600Z 21.5N 105.9W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 25NE 25SE 0SW 0NW. 50 KT... 40NE 50SE 30SW 40NW. 34 KT... 60NE 80SE 70SW 70NW. FORECAST VALID 29/1800Z 22.9N 106.7W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 20NE 20SE 0SW 15NW. 50 KT... 40NE 40SE 30SW 30NW. 34 KT... 60NE 70SE 60SW 60NW. FORECAST VALID 30/0600Z 23.5N 107.4W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 20NE 20SE 0SW 15NW. 50 KT... 40NE 40SE 30SW 30NW. 34 KT... 60NE 70SE 50SW 60NW. FORECAST VALID 30/1800Z 24.2N 108.1W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 20NE 20SE 0SW 15NW. 50 KT... 40NE 40SE 20SW 30NW. 34 KT... 60NE 70SE 40SW 60NW. FORECAST VALID 31/0600Z 24.8N 108.9W MAX WIND 70 KT...GUSTS 85 KT. 50 KT... 30NE 30SE 20SW 20NW. 34 KT... 70NE 60SE 40SW 50NW. FORECAST VALID 31/1800Z 25.6N 109.5W MAX WIND 70 KT...GUSTS 85 KT. 50 KT... 20NE 20SE 10SW 10NW. 34 KT... 50NE 40SE 30SW 30NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM ON DAY 4 AND 125 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 01/1800Z 27.6N 110.4W...INLAND MAX WIND 55 KT...GUSTS 65 KT. OUTLOOK VALID 02/1800Z 29.4N 110.6W...INLAND MAX WIND 30 KT...GUSTS 40 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.7N 105.4W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPEP4...AT 29/0000Z NEXT ADVISORY AT 29/0300Z $$ FORECASTER BERG