Absolute Vorticity

Hurricane Helene Intermediate Advisory Number 11A
NWS National Hurricane Center Miami FL AL092024
100 AM CDT Thu Sep 26 2024

...HELENE MOVING NORTHWARD AND EXPECTED TO BRING CATASTROPHIC WINDS
AND STORM SURGE TO THE NORTHEASTERN GULF COAST...
...PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO
COMPLETION...


SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...23.7N 86.5W
ABOUT 385 MI...620 KM SW OF TAMPA FLORIDA
ABOUT 425 MI...680 KM SSW OF APALACHICOLA FLORIDA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...N OR 5 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...971 MB...28.67 INCHES


TS Isaac is a BS or I mean a fish storm as Eric mentioned. The other wave out in the ATL still has a high chance to develop.

Hurricane Helene Advisory Number 12
NWS National Hurricane Center Miami FL AL092024
400 AM CDT Thu Sep 26 2024

...HELENE STRENGTHENING AND EXPECTED TO BRING CATASTROPHIC WINDS
AND STORM SURGE TO THE NORTHEASTERN GULF COAST...
...PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO
COMPLETION...


SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...24.2N 86.2W
ABOUT 350 MI...560 KM SW OF TAMPA FLORIDA
ABOUT 385 MI...625 KM S OF APALACHICOLA FLORIDA
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...NNE OR 15 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...966 MB...28.53 INCHES

A couple of web cam's.... St. George island: https://www.blueparrotsgi.com/multimedia/livecam.htm St. Mark's Lighthouse: https://www.weatherstem.com/livestream? ... eef643ccd8

Hurricane Helene Intermediate Advisory Number 12A
NWS National Hurricane Center Miami FL AL092024
700 AM CDT Thu Sep 26 2024

...HELENE BECOMES A CATEGORY 2 HURRICANE WITH SIGNIFICANT
ADDITIONAL STRENGTHENING EXPECTED BEFORE LANDFALL IN FLORIDA...
...PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO
COMPLETION...


SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...24.5N 85.9W
ABOUT 320 MI...515 KM SW OF TAMPA FLORIDA
ABOUT 365 MI...585 KM S OF APALACHICOLA FLORIDA
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...NNE OR 15 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES

Hurricane Helene Advisory Number 13
NWS National Hurricane Center Miami FL AL092024
1000 AM CDT Thu Sep 26 2024

...HELENE STRENGTHENING AND EXPECTED TO MAKE LANDFALL IN THE
FLORIDA BIG BEND THIS EVENING AS A MAJOR HURRICANE...
...PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO
COMPLETION...


SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...25.5N 85.5W
ABOUT 255 MI...405 KM SW OF TAMPA FLORIDA
ABOUT 290 MI...470 KM S OF APALACHICOLA FLORIDA
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
PRESENT MOVEMENT...NNE OR 25 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES

Hurricane Helene Intermediate Advisory Number 13A
NWS National Hurricane Center Miami FL AL092024
100 PM CDT Thu Sep 26 2024

...HELENE ALMOST A MAJOR HURRICANE WITH ADDITIONAL STRENGTHENING
FORECAST BEFORE LANDFALL IN THE FLORIDA BIG BEND...
...PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO
COMPLETION...


SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...26.4N 85.0W
ABOUT 195 MI...315 KM SW OF TAMPA FLORIDA
ABOUT 230 MI...365 KM S OF APALACHICOLA FLORIDA
MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H
PRESENT MOVEMENT...NNE OR 25 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...959 MB...28.32 INCHES

Hurricane Helene Tropical Cyclone Update
NWS National Hurricane Center Miami FL AL092024
225 PM EDT Thu Sep 26 2024

...AIR FORCE HURRICANE HUNTERS FIND HELENE A MAJOR HURRICANE...

The Air Force Hurricane Hunters found that the maximum sustained
winds have increased to near 120 mph (195 km/h). This makes
Helene a dangerous category 3 major hurricane. Additional
strengthening is expected before Helene makes landfall in the
Florida Big Bend this evening.

SUMMARY OF 225 PM EDT...1825 UTC...INFORMATION
----------------------------------------------
LOCATION...26.7N 84.9W
ABOUT 170 MI...280 KM WSW OF TAMPA FLORIDA
ABOUT 205 MI...335 KM S OF APALACHICOLA FLORIDA
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H
PRESENT MOVEMENT...NNE OR 25 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...959 MB...28.32 INCHES

Hurricane Helene Advisory Number 14
NWS National Hurricane Center Miami FL AL092024
500 PM EDT Thu Sep 26 2024

...HELENE IS A VERY DANGEROUS AND LARGE MAJOR HURRICANE...
...DAMAGING HURRICANE WINDS AND CATASTROPHIC STORM SURGE
EXPECTED TO BEGIN IN THE FLORIDA BIG BEND THIS EVENING...


SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...27.9N 84.6W
ABOUT 130 MI...205 KM W OF TAMPA FLORIDA
ABOUT 175 MI...280 KM S OF TALLAHASSEE FLORIDA
MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/H
PRESENT MOVEMENT...NNE OR 25 DEGREES AT 23 MPH...37 KM/H
MINIMUM CENTRAL PRESSURE...951 MB...28.09 INCHES

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1240 UNK 1 SSW Atkins Smyth VA 3685 8143 The Smyth County 911 Center reported that there was an apparent mudslide ... rockslide or landslide at the intersection of Nicks Creek Road and Pierce Road in Atkins. (RNK)

1658 Lodge Colleton SC 3307 8096 Emergency manager relayed report of tree down at Bells Highway and Woodrow Drive. Possible tornado. (CHS)

1700 1 WNW Lodge Colleton SC 3307 8097 Tree down blocking both lanes on 22000 block of Bells Highway. Possible tornado. (CHS)

1701 1 WNW Lodge Colleton SC 3308 8097 Emergency manager relayed report of trees down on Bells Highway near the Bamberg County border. Possible tornado. (CHS)

1833 2 NE Broxton Coffee GA 3165 8286 Update to previous tornado report from 2 NE Broxton. Tornado sighted on ground near Hwy 268E damaging shingles and shifting a double-wide trailer off its foundation. (JAX)

1850 UNK Blountstown Calhoun FL 3044 8505 Report of a fallen tree. (TAE)

0057 2 NNE Jordan Wheeler GA 3206 8265 *** 2 INJ *** Tornado at Adams Cemetery Road and Highway 19. (FFC)

0058 UNK 4 SE Hickman Fulton KY 3653 8913 Damage shown on Social Media at 125 and 1128 south southeast of Hickman. Roof off a pole barn. (PAH)

0100 59 Saint Augustine AMZ454 FL 2989 8131 Mesonet station 1695W Fswn Citystaug measured a wind gust of 59 mph. (JAX)

0102 100 1 SE Hickman Fulton KY 3655 8918 (PAH)

0458 UNK 2 NNE Canadys Dorchester SC 3308 8060 Dorchester County Emergency Management reported a tree down on Highway 15 between Grover and the Edisto River. (CHS)

0738 UNK 4 E Sandersville Washington GA 3297 8274 Report from mPING: Trees uprooted or snapped. (FFC)

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NWS National Hurricane Center Miami FL AL092024
400 AM EDT Fri Sep 27 2024

...HURRICANE HELENE MOVING RAPIDLY NORTHWARD THROUGH GEORGIA...
...400 AM EDT POSITION UPDATE...

Helene continues continues to move inland over central Georgia and
is producing hurricane-force winds and heavy rainfall. This is an
dangerous and life-threatening situation. Persons should not leave
their shelters and remain in place, staying away from windows and
have multiple ways to receive warnings and updates.

A University of Georgia weather station in Vidalia, Georgia
recently reported a wind gust of 77 mph (124 km/h). An ASOS station
at The Savannah International Airport in Georgia recently reported
a sustained wind of 49 mph (79 km/h) with a gust to 76 mph
(122 km/h).

This is the last hourly position update on Helene.

SUMMARY OF 400 AM EDT...0800 UTC...INFORMATION
----------------------------------------------
LOCATION...32.4N 83.1W
ABOUT 100 MI...160 KM SW OF AUGUSTA GEORGIA
ABOUT 40 MI...65 KM SE OF MACON GEORGIA
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...N OR 10 DEGREES AT 30 MPH...48 KM/H
MINIMUM CENTRAL PRESSURE...963 MB...28.43 INCHES

Isaac in the N ATL has winds of 65 mph moving East away from everything. The wave out in the Eastern ATL still has a 90% chance to develop.

Tropical Storm Helene Intermediate Advisory Number 16A
NWS National Hurricane Center Miami FL AL092024
800 AM EDT Fri Sep 27 2024

...HELENE PRODUCING DAMAGING GUSTY WINDS AND LIFE-THREATENING
FLOODING OVER PORTIONS OF THE SOUTHEAST AND SOUTHERN APPALACHIANS...
...FLASH FLOOD EMERGENCY IN EFFECT FOR METROPOLITAN ATLANTA...

SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...34.2N 83.0W
ABOUT 35 MI...60 KM SSW OF CLEMSON SOUTH CAROLINA
ABOUT 80 MI...130 KM ENE OF ATLANTA GEORGIA
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 30 MPH...48 KM/H
MINIMUM CENTRAL PRESSURE...972 MB...28.70 INCHES

Tropical Storm Helene Advisory Number 17
NWS National Hurricane Center Miami FL AL092024
1100 AM EDT Fri Sep 27 2024

...HELENE PRODUCING HISTORIC AND CATASTROPHIC FLOODING OVER PORTIONS
OF THE SOUTHEAST AND SOUTHERN APPALACHIANS...
...FLASH FLOOD EMERGENCIES IN EFFECT FOR METROPOLITAN ATLANTA, AND
MUCH OF UPSTATE SOUTH CAROLINA AND WESTERN NORTH CAROLINA...


SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...35.1N 83.8W
ABOUT 30 MI...50 KM SW OF BRYSON CITY NORTH CAROLINA
ABOUT 105 MI...165 KM NNE OF ATLANTA GEORGIA
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...N OR 350 DEGREES AT 32 MPH...52 KM/H
MINIMUM CENTRAL PRESSURE...975 MB...28.80 INCHES

BULLETIN
Tropical Depression Helene Intermediate Advisory Number 17A
NWS National Hurricane Center Miami FL AL092024
200 PM EDT Fri Sep 27 2024

...HELENE STILL PRODUCING HISTORIC AND CATASTROPHIC FLOODING OVER
PORTIONS OF THE SOUTHEAST AND SOUTHERN APPALACHIANS...


SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...36.6N 84.6W
ABOUT 125 MI...205 KM SSE OF LOUISVILLE KENTUCKY
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 28 MPH...44 KM/H
MINIMUM CENTRAL PRESSURE...982 MB...29.00 INCHES

1200 UNK Dobson Surry NC 3639 8072 The Surry County 911 Center reports that well over 100 trees and many power lines were down throughout the county. Dozens of roads were blocked as well. (RNK)

1210 UNK 1 NW Suiter Bland VA 3713 8123 Viewer reported downed trees and a power line ... blocking Burkes Garden Road. (RNK)

1330 UNK Greensboro Guilford NC 3608 7983 Numerous trees down across the city of Greensboro. (RAH)

1337 UNK 3 NE Jonesville Lee VA 3672 8307 Report from mPING: Trees uprooted or snapped; Roof blown off. (MRX)

1420 UNK Lawsonville Stokes NC 3649 8025 Report from mPING: 3-inch tree limbs broken; Power poles broken. (RNK)

1514 2 N Pipestem Summers WV 3756 8096 trees and power lines down ... roofs of of garages. (RNK)

1521 8 NNE White Lake Bladen NC 3474 7843 Damage consistent with a 75 mph/EF0 tornado observed to pine trees along US Hwy 701 in Hickory Grove Crossroads. (ILM)

1523 10 NNE White Lake Bladen NC 3477 7844 Damage to trees and roofs consistent with an 80 mph/EF0 tornado was observed NW of Hickory Grove Crossroads along NC Hwy 210 and Peter Cromartie Rd. (ILM)

1524 10 NNE White Lake Bladen NC 3478 7844 Helltown Road blocked by trees and power lines. (ILM)

1525 2 W Garland Sampson NC 3478 7843 Trees and power lines down on Helltown Rd ... . at the bridge that separates the Bladen and Sampson Co. line. (RAH)

1528 2 NW Garland Sampson NC 3481 7842 Trees down at 650 Elwell Rd. (RAH)

1530 3 NNW Garland Sampson NC 3483 7841 Trees down at 10139 Old Mintz Hwy. (RAH)

1530 UNK 2 NW Lake Wheeler Wake NC 3572 7875 Large tree down and blocking Holly Springs Rd. near the intersection of Lilly Atkins Rd. (RAH)

1640 UNK 2 SSE Pewee Valley Oldham KY 3829 8547 Corrects previous tstm wnd dmg report from 2 SSE Pewee Valley. Ash Ave ... near Ash Land Dr ... is completely blocked by a large tree. (LMK)

1641 UNK 2 S Goshen Oldham KY 3838 8559 A large tree completely blocking Mayo Lane near Highway 42 in Goshen. (LMK)

1645 UNK 2 NW Brownsboro Oldham KY 3837 8553 Corrects previous tstm wnd dmg report from 2 NW Brownsboro. Tree into the powerlines and roadway blocked on Sleepy Hollow Road. (LMK)

1647 UNK 2 S Buffalo Junction Mecklenburg VA 3658 7863 VDOT reported all east bound lanes of Route 728 near the intersection with One Mile Road were closed due to a tree across the roadway. (AKQ)

1702 UNK Clarksville Mecklenburg VA 3662 7857 The 911 call center reported a power line down on Buffalo Road in Clarksville. Time estimated from radar. (AKQ)

1711 UNK 1 WNW Fairview Mecklenburg VA 3682 7848 The 911 call center reported a tree down on Roberts Road in Chase City. Time estimated from radar. (AKQ)

1731 2 NNW Rocky Mount Nash NC 3598 7780 *** 5 INJ *** Several buildings with major damage near U.S. Route 301 (Wesleyan Blvd) and Tiffany Blvd. (RAH)

1731 2 NNW Rocky Mount Nash NC 3598 7780 Update: Approximately 14 buildings damaged in the Wesleyan Blvd and Tiffany Blvd area with 15 injuries including 4 serious. (RAH)

1741 UNK 2 NNW Brownsboro Oldham KY 3838 8552 Tree blocking Highway 1694 at Harrods Crossing Blvd. (LMK)

1746 UNK 4 W Peytona Shelby KY 3821 8513 Report from mPING: Trees uprooted or snapped. (LMK)

1747 UNK 1 SE Tyrone Anderson KY 3802 8484 Report from mPING: Trees uprooted or snapped. (LMK)

1825 UNK 4 WNW Beech Fork State Park Wayne WV 3833 8248 Several trees down and power lines on house. (RLX)

1839 2 W Dry Fork Pittsylvania VA 3675 7945 Structures damaged and numerous trees down with possible tornado near Dry Fork Road. Time estimated from radar. (RNK)

1851 UNK 3 NE House Pitt NC 3568 7733 Pitt Co. Emergency Management reports trees down at Brown Road. House in the area had a tin roof pulled from its back; two others had trees down on them with minor damage. (MHX)

1851 UNK 3 NE House Pitt NC 3569 7733 Delayed report. Pitt County 911 center reported trees down near the intersection of Brown Road and Hwy 903 ... including a tree on a house. Time estimated based on radar. (MHX)

1900 UNK 5 SE Lake Vesuvius Lawrence OH 3856 8258 Numerous trees and power lines down. (RLX)

1927 UNK 2 NW Mineral Wells Wood WV 3919 8153 Trees down blocking Stephens Fork Rd. (RLX)

1939 UNK 4 SW Welch McDowell WV 3740 8165 Tree fell on a house. (RLX)

1948 UNK 2 NW Pewee Valley Oldham KY 3833 8552 Report from mPING: Trees uprooted or snapped. (LMK)

1953 3 W Dry Fork Pittsylvania VA 3674 7947 Reported by Public. Several trees and structural damage blocking Dry Fork Rd. (RNK)

1955 UNK 9 W Wayne Wayne WV 3824 8260 Tree has taken down a transformer ... power pole and lines. Road completely blocked. (RLX)

2000 UNK 1 ENE Flatwoods Greenup KY 3852 8271 Numerous trees and power lines down in Bellefonte ... Flatwoods ... Raceland ... and Russell. (RLX)

2013 UNK 3 SW Bedford Bedford VA 3731 7956 Possible tornado. A storm spotter reported a possible tornado which occurred in the vicinity of the intersection of Dickerson Mill Road and Fidler Creek Road. (RNK)

2019 UNK 3 WNW Lake Vesuvius Lawrence OH 3864 8267 Numerous trees down in Pedro area. (RLX)

2204 59 7 SW Fishermans Island ANZ632 VA 3704 7608 Mesonet station XBBT Third Island. (AKQ)

2214 UNK 6 SE Leda Halifax VA 3685 7900 A few trees blown down by thunderstorm winds near the intersection of U.S. Highway 501 and Liberty Road. (RNK)

0121 UNK 1 NW Charleston Coles IL 3950 8819 Report from mPING: 3-inch tree limbs broken. (ILX)

0134 UNK 2 W Long Creek Macon IL 3981 8889 Report from mPING: 3-inch tree limbs broken. (ILX)

0136 UNK 2 SW Decatur Airport Macon IL 3981 8889 Report from mPING: 3-inch tree limbs broken. (ILX)

0145 UNK 1 S Mattoon Coles IL 3947 8837 Report from mPING: 3-inch tree limbs broken. (ILX)

Helene is now a post tropical cyclone per the NHC's 5pm update. Isaac is still a cane not bothering anyone. We now have TS Joyce out in the far Eastern Atlantic with winds of 50 mph moving NW at 13. This one looks to remain weak and a fish storm. The next wave coming off of Africa has a 30% chance in the next 5 days.