INFORMATIONADV TIME LAT LON WIND PRES STATUS ___ _________ _____ _____ _____ ____ ______________ 1 10/17/03Z 29.8N 70.9W 35MPH 1005 T.D. 17 2 10/17/09Z 29.9N 70.9W 40MPH 1004 T.S. Michael 3 10/17/15Z 29.8N 71.0W 50MPH 1000 Tropical storm 4 10/17/21Z 30.2N 71.0W 75MPH 988 Hurricane 5 10/18/03Z 30.5N 70.8W 75MPH 988 Hurricane 6 10/18/09Z 31.1N 70.8W 75MPH 986 Hurricane 7 10/18/15Z 31.7N 70.0W 75MPH 986 Hurricane 8 10/18/21Z 33.7N 68.7W 85MPH 979 Hurricane 9 10/19/03Z 35.2N 66.8W 80MPH 983 Hurricane 10 10/19/09Z 37.5N 64.3W 75MPH 986 Hurricane 11 10/19/15Z 41.3N 60.2W 75MPH 986 Hurricane 12S 10/19/18Z 44.0N 58.3W 100MPH 965 Hurricane 13 10/19/21Z 46.0N 57.0W 100MPH 965 Hurricane 14S 10/19/0030Z 48.5N 56.5W 85MPH 966 Hurricane Last advisory - extratropical PR is pressure in millibars (mb) or hectopascals (hPa) SUMMARYMichael spun up from a non-tropical area of low pressure that had been churning the western Atlantic Ocean northeast of the Bahamas during the weekend of Oct. 14-15. The Hurricane Center upgraded the system to Tropical Depression 17 late Monday, Oct. 16. The next afternoon, an Air Force hurricane hunter plane flew into the developing storm, which was located about 400 miles southwest of Bermuda, and found that Michael had strengthened to a hurricane with 75 mph winds and a central pressure of 988 mb (29.18 inches). By Wednesday morning, Oct. 18, the 2000 Atlantic season's 13th named storm and eighth hurricane began drifting toward the north-northeast. Bermuda was in the clear, and it appeared that the northeast USA would be, too. After initially peaking in intensity at 85 mph Wednesday afternoon, Hurricane Michael appeared to be weakening while gaining speed in its race toward the Canadian Maritimes and extinction. Early Thursday it began to spread its 75 mph fury northeast at 32 mph over cooler water. Packing a fury worse than hurricane forecasters thought, tenacious, late-season Hurricane Micheal slammed into southern Newfoundland late Thursday, Oct. 19, knocking down power lines, disrupting ferry service and damaging homes. The hurricane quickly evolved into an extratropical storm and weakened as it moved inland. Michael will go down in the record books as one of the latest and strongest hurricanes to menace the Canadian Maritimes so late in a season. ********************************************** DETAILS ************************************* 000 WTNT32 KNHC 170832 TCPAT2 BULLETIN TROPICAL STORM MICHAEL ADVISORY NUMBER 2 NATIONAL WEATHER SERVICE MIAMI FL 5 AM EDT TUE OCT 17 2000 ...THIRTEENTH TROPICAL STORM OF THE SEASON STRENGTHENS IN THE WESTERN ATLANTIC...NO IMMEDIATE THREAT TO LAND... AT 5 AM EDT...0900Z...THE CENTER OF TROPICAL STORM MICHAEL WAS LOCATED NEAR LATITUDE 29.9 NORTH...LONGITUDE 70.9 WEST OR ABOUT 405 MILES...650 KM...WEST-SOUTHWEST OF BERMUDA. TROPICAL STORM MICHAEL IS NEARLY STATIONARY...BUT A SLOW DRIFT TO THE EAST OR NORTHEAST IS EXPECTED TO OCCUR LATER TODAY. MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH... 65 KM/HR...WITH HIGHER GUSTS. SOME SLOW STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS. AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT IS SCHEDULED TO INVESTIGATE THE SYSTEM LATER TODAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 45 MILES ... 75 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1004 MB...29.65 INCHES. REPEATING THE 5 AM EDT POSITION...29.9 N... 70.9 W. MOVEMENT ...NEARLY STATIONARY. MAXIMUM SUSTAINED WINDS... 40 MPH. MINIMUM CENTRAL PRESSURE...1004 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 11 AM EDT. FORECASTER STEWART ********************************************* 10-18-2000 *********************************** 532 WTNT32 KNHC 180856 TCPAT2 BULLETIN HURRICANE MICHAEL ADVISORY NUMBER 6 NATIONAL WEATHER SERVICE MIAMI FL 5 AM EDT WED OCT 18 2000 ...CORRECT CENTRAL PRESSURE TO 986 MB... ...MICHAEL MOVING A LITTLE FASTER TOWARD THE NORTH-NORTHEAST... INTERESTS IN BERMUDA SHOULD MONITOR THE PROGRESS OF MICHAEL. AT 5 AM EDT...0900Z...THE CENTER OF HURRICANE MICHAEL WAS LOCATED NEAR LATITUDE 31.1 NORTH...LONGITUDE 70.8 WEST OR ABOUT 370 MILES...595 KM...WEST-SOUTHWEST OF BERMUDA. MICHAEL IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 7 MPH ... 9 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE WITH AN INCREASE IN FORWARD SPEED OVER THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES... 35 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS 986 MB...29.12 INCHES. REPEATING THE 5 AM EDT POSITION...31.1 N... 70.8 W. MOVEMENT TOWARD...NORTH-NORTHEAST NEAR 7 MPH. MAXIMUM SUSTAINED WINDS... 75 MPH. MINIMUM CENTRAL PRESSURE... 986 MB. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 11 AM EDT. FORECASTER BEVEN WTNT3 Archive Official NOAA/NHC Forecast Discussion 285 WTNT42 KNHC 181433 TCDAT2 HURRICANE MICHAEL DISCUSSION NUMBER 7 NATIONAL WEATHER SERVICE MIAMI FL 11 AM EDT WED OCT 18 2000 AN EYE IS NO LONGER APPARENT. THE CLOUD PATTERN ASSOCIATED WITH MICHAEL IS BECOMING DISTORTED...AND WESTERLY SHEAR APPEARS TO BE INCREASING OVER THE SYSTEM. I AM KEEPING THE CYCLONE AT HURRICANE STRENGTH PENDING THE 18Z RECON MISSION...WHICH MAY REVEAL THAT WEAKENING IS UNDERWAY. MICHAEL IS EXPECTED TO BEGIN MERGING WITH A POLAR FRONT CYCLONE NEAR THE CANADIAN MARITIMES IN A DAY OR SO. BECAUSE OF THE SHEAR...CENTER FIXES ARE LESS RELIABLE SINCE THE LOW- LEVEL CENTER IS PROBABLY DISPLACED TO THE WEST OF THE UPPER-LEVEL ONE. INITIAL MOTION ESTIMATE IS 030/8. THE TRACK FORECAST REMAINS ABOUT THE SAME AS BEFORE. THE MID-TROPOSPHERIC TROUGH CURRENTLY OVER THE OHIO VALLEY IS FORECAST TO AMPLIFY OVER THE NORTHEASTERN U.S. AND THE ASSOCIATED STEERING FLOW ON THE EAST SIDE OF THIS TROUGH SHOULD WHISK MICHAEL NORTHEASTWARD. THE WIND RADII ARE EXPANDED CONSIDERABLY IN THE FORECAST AS THE SYSTEM TAKES ON EXTRATROPICAL CHARACTERISTICS. FORECASTER PASCH FORECAST POSITIONS AND MAX WINDS INITIAL 18/1500Z 31.7N 70.0W 65 KTS 12HR VT 19/0000Z 33.5N 68.5W 60 KTS 24HR VT 19/1200Z 37.0N 65.0W 55 KTS 36HR VT 20/0000Z 42.0N 60.0W 45 KTS...EXTRATROPICAL 48HR VT 20/1200Z...ABSORBED NOAA ARL Hurricane Prediction track model forecasts are no longer available on the WWW. We are working to prepare our own graphics. In the meantime, we provide links to text files for these products (all track models or GFDL only), and another quickly updated track map from Hurricane Alley. All guidance here should not be used in lieu of official guidance from the National Hurricane Center and local emergency management officials. NOAA GFDL model guidance (text only, track only) NOAA NHC hurricane model forecast guidance (text only, track/intensity, all active storms) Hurricane Alley trackmap for this storm (from NHC bulletins). WTNT4 Archive Guidance archive Official NOAA/NHC (Marine) Advisory 764 WTNT22 KNHC 181429 TCMAT2 HURRICANE MICHAEL FORECAST/ADVISORY NUMBER 7 NATIONAL WEATHER SERVICE MIAMI FL AL1700 1500Z WED OCT 18 2000 INTERESTS IN BERMUDA SHOULD MONITOR THE PROGRESS OF MICHAEL. HURRICANE CENTER LOCATED NEAR 31.7N 70.0W AT 18/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 30 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 986 MB EYE DIAMETER 20 NM MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT. 64 KT....... 20NE 20SE 20SW 20NW. 50 KT....... 60NE 60SE 30SW 30NW. 34 KT.......120NE 120SE 90SW 90NW. 12 FT SEAS..150NE 240SE 240W 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 31.7N 70.0W AT 18/1500Z AT 18/1200Z CENTER WAS LOCATED NEAR 31.3N 70.4W FORECAST VALID 19/0000Z 33.5N 68.5W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 60NE 60SE 30SW 30NW. 34 KT...120NE 120SE 90SW 90NW. FORECAST VALID 19/1200Z 37.0N 65.0W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 60NE 60SE 0SW 0NW. 34 KT...150NE 150SE 150SW 75NW. FORECAST VALID 20/0000Z 42.0N 60.0W...EXTRATROPICAL MAX WIND 45 KT...GUSTS 55 KT. 34 KT...300NE 420SE 420SW 240NW. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.7N 70.0W EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE FORECAST VALID 20/1200Z...ABSORBED NEXT ADVISORY AT 18/2100Z FORECASTER PASCH WTNT2 Archive Official NOAA/NHC Forecast Probabilities 047 WTNT72 KNHC 181430 SPFAT2 HURRICANE MICHAEL PROBABILITIES NUMBER 7 NATIONAL WEATHER SERVICE MIAMI FL 11 AM EDT WED OCT 18 2000 PROBABILITIES FOR GUIDANCE IN HURRICANE PROTECTION PLANNING BY GOVERNMENT AND DISASTER OFFICIALS AT 11 AM EDT...1500Z...THE CENTER OF MICHAEL WAS LOCATED NEAR LATITUDE 31.7 NORTH...LONGITUDE 70.0 WEST CHANCES OF CENTER OF THE HURRICANE PASSING WITHIN 65 NAUTICAL MILES OF LISTED LOCATIONS THROUGH 8AM EDT SAT OCT 21 2000 LOCATION A B C D E LOCATION A B C D E 37.0N 65.0W 21 6 X X 27 MONCTON NB X 3 X X 3 42.0N 60.0W X 10 X X 10 YARMOUTH NS X 5 X X 5 BERMUDA 13 1 X X 14 HALIFAX NS X 5 X X 5 BAR HARBOR ME X 2 X X 2 SABLE ISLAND NS X 6 X X 6 EASTPORT ME X 2 X X 2 SYDNEY NS X 2 X X 2 ST JOHN NB X 3 X X 3 EDDY POINT NS X 4 X X 4 COLUMN DEFINITION PROBABILITIES IN PERCENT A IS PROBABILITY FROM NOW TO 8AM THU FOLLOWING ARE ADDITIONAL PROBABILITIES B FROM 8AM THU TO 8PM THU C FROM 8PM THU TO 8AM FRI D FROM 8AM FRI TO 8AM SAT E IS TOTAL PROBABILITY FROM NOW TO 8AM SAT X MEANS LESS THAN ONE PERCENT FORECASTER PASCH ********************************************* 10-19-2000 *********************************** 354 WTNT32 KNHC 190834 TCPAT2 BULLETIN HURRICANE MICHAEL ADVISORY NUMBER 10 NATIONAL WEATHER SERVICE MIAMI FL 5 AM AST THU OCT 19 2000 ...MICHAEL ACCELERATING NORTHEASTWARD AND SLOWLY WEAKENING... AT 5 AM AST...0900Z...THE CENTER OF HURRICANE MICHAEL WAS LOCATED NEAR LATITUDE 37.5 NORTH...LONGITUDE 64.3 WEST OR ABOUT 495 MILES...800 KM...SOUTH-SOUTHWEST OF SABLE ISLAND NOVA SCOTIA. MICHAEL IS NOW MOVING TOWARD THE NORTHEAST NEAR 32 MPH...52 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE WITH A FURTHER INCREASE IN FORWARD SPEED OVER THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 75 MPH...120 KM/HR...WITH HIGHER GUSTS. SOME FURTHER WEAKENING IS FORECAST DURING THE NEXT 24 HOURS...AND MICHAEL WILL LIKELY WEAKEN TO A TROPICAL STORM LATER TODAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES... 55 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 986 MB...29.12 INCHES. REPEATING THE 5 AM AST POSITION...37.5 N... 64.3 W. MOVEMENT TOWARD...NORTHEAST NEAR 32 MPH. MAXIMUM SUSTAINED WINDS... 75 MPH. MINIMUM CENTRAL PRESSURE... 986 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 11 AM AST. FORECASTER BEVEN WTNT3 Archive Official NOAA/NHC Forecast Discussion 910 WTNT42 KNHC 190837 TCDAT2 HURRICANE MICHAEL DISCUSSION NUMBER 10 NATIONAL WEATHER SERVICE MIAMI FL 5 AM EDT THU OCT 19 2000 MICHAEL CONTINUES TO ACCELERATE TO THE NORTHEAST...WITH AN INITIAL MOTION OF 040/33. A POORLY-DEFINED EYE IS STILL PRESENT...ALONG WITH SOME EYEWALL CONVECTION. SATELLITE INTENSITY ESTIMATES ARE 65 KT...65 KT...AND 55 KT FROM TAFB...AFWA...AND SAB. THE MAXIMUM WINDS ARE DECREASED TO 65 KT FOR THIS PACKAGE. WATER VAPOR IMAGERY SHOWS A STRONG NEGATIVELY-TILTED MID/UPPER LEVEL TROUGH WEST OF MICHAEL...AND SURFACE OBSERVATIONS INDICATE AN ASSOCIATED LOW FORMING JUST SOUTH OF WESTERN NOVA SCOTIA. MICHAEL SHOULD MERGE WITH THIS LOW...WITH THE MAIN QUESTIONS BEING EXACTLY WHERE AND WHEN. LARGE-SCALE MODEL GUIDANCE SUGGESTS THE MERGER COULD OCCUR IN LESS THAN 24 HR. SINCE MICHAEL IS STRONGER THAN INDICATED BY THE MODELS...IT MAY KEEP ITS IDENTITY A LITTLE LONGER OR BECOME THE PREDOMINANT CENTER IN THE MERGER. THE FORECAST TRACK ASSUMES THAT MICHAEL WILL KEEP ITS IDENTITY WHILE LOSING TROPICAL CHARACTERISTICS...TAKING THE CENTER TO NEAR SOUTHEASTERN NEWFOUNDLAND IN ABOUT 24 HR. THIS SCENARIO AGREES WITH THAT OF THE CANADIAN HURRICANE CENTER. AN ALTERNATIVE SCENARIO IS THAT IF MICHAEL AND THE NON-TROPICAL LOW MERGE EARLIER THAN CURRENTLY FORECAST...THE COMBINED CENTER WILL TRACK TO THE LEFT OF THE CURRENT FORECAST. REGARDLESS OF EXACTLY HOW OR WHERE MICHAEL AND THE LOW COME TOGETHER...THE STRONG DYNAMICS ASSOCIATED WITH THE UPPER-LEVEL TROUGH WILL KEEP THE SYSTEM STRONG. ONLY A SLIGHT WEAKENING OF THE MAXIMUM WINDS IS EXPECTED...ALONG WITH A SPREADING OUT OF THE WIND FIELD AS MICHAEL BECOMES EXTRATROPICAL. FORECASTER BEVEN FORECAST POSITIONS AND MAX WINDS INITIAL 19/0900Z 37.5N 64.3W 65 KTS 12HR VT 19/1800Z 41.4N 60.0W 60 KTS 24HR VT 20/0600Z 47.1N 53.2W 55 KTS...EXTRATROPICAL 36HR VT 21/0600Z...ABSORBED BY EXTRATROPICAL LOW... NOAA ARL Hurricane Prediction track model forecasts are no longer available on the WWW. We are working to prepare our own graphics. In the meantime, we provide links to text files for these products (all track models or GFDL only), and another quickly updated track map from Hurricane Alley. All guidance here should not be used in lieu of official guidance from the National Hurricane Center and local emergency management officials. NOAA GFDL model guidance (text only, track only) NOAA NHC hurricane model forecast guidance (text only, track/intensity, all active storms) Hurricane Alley trackmap for this storm (from NHC bulletins). WTNT4 Archive Guidance archive Official NOAA/NHC (Marine) Advisory 738 WTNT22 KNHC 190836 TCMAT2 HURRICANE MICHAEL FORECAST/ADVISORY NUMBER 10 NATIONAL WEATHER SERVICE MIAMI FL AL1700 0900Z THU OCT 19 2000 HURRICANE CENTER LOCATED NEAR 37.5N 64.3W AT 19/0900Z POSITION ACCURATE WITHIN 45 NM PRESENT MOVEMENT TOWARD THE NORTHEAST OR 40 DEGREES AT 28 KT ESTIMATED MINIMUM CENTRAL PRESSURE 986 MB MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT. 64 KT....... 30NE 30SE 0SW 0NW. 50 KT.......100NE 100SE 100SW 0NW. 34 KT.......145NE 175SE 175SW 125NW. 12 FT SEAS..150NE 240SE 240SW 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 37.5N 64.3W AT 19/0900Z AT 19/0600Z CENTER WAS LOCATED NEAR 36.3N 65.5W FORECAST VALID 19/1800Z 41.4N 60.0W MAX WIND 60 KT...GUSTS 75 KT. 50 KT...100NE 100SE 100SW 0NW. 34 KT...240NE 360SE 240SW 150NW. FORECAST VALID 20/0600Z 47.1N 53.2W...EXTRATROPICAL MAX WIND 55 KT...GUSTS 65 KT. 50 KT...120NE 120SE 120SW 0NW. 34 KT...360NE 420SE 300SW 240NW. FORECAST VALID 20/1800Z...ABSORBED BY EXTRATROPICAL LOW... REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 37.5N 64.3W NEXT ADVISORY AT 19/1500Z FORECASTER BEVEN WTNT2 Archive Official NOAA/NHC Forecast Probabilities 039 WTNT72 KNHC 190838 SPFAT2 HURRICANE MICHAEL PROBABILITIES NUMBER 10 NATIONAL WEATHER SERVICE MIAMI FL 5 AM AST THU OCT 19 2000 PROBABILITIES FOR GUIDANCE IN HURRICANE PROTECTION PLANNING BY GOVERNMENT AND DISASTER OFFICIALS AT 5 AM AST...0900Z...THE CENTER OF MICHAEL WAS LOCATED NEAR LATITUDE 37.5 NORTH...LONGITUDE 64.3 WEST CHANCES OF CENTER OF THE HURRICANE PASSING WITHIN 65 NAUTICAL MILES OF LISTED LOCATIONS THROUGH 2AM AST SUN OCT 22 2000 LOCATION A B C D E LOCATION A B C D E 47.1N 53.2W 18 X X X 18 PTX BASQUES NFLD 4 X X X 4 SABLE ISLAND NS 16 X X X 16 BURGEO NFLD 8 X X X 8 SYDNEY NS 4 X X X 4 ILE ST PIERRE 17 X X X 17 EDDY POINT NS 3 X X X 3 CAPE RACE NFLD 19 X X X 19 COLUMN DEFINITION PROBABILITIES IN PERCENT A IS PROBABILITY FROM NOW TO 2AM FRI FOLLOWING ARE ADDITIONAL PROBABILITIES B FROM 2AM FRI TO 2PM FRI C FROM 2PM FRI TO 2AM SAT D FROM 2AM SAT TO 2AM SUN E IS TOTAL PROBABILITY FROM NOW TO 2AM SUN X MEANS LESS THAN ONE PERCENT FORECASTER BEVEN © 2000 FIU High Performance Database Research Center |