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Hurricane Ian


Scott747
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Hurricane Ian Tropical Cyclone Update
NWS National Hurricane Center Miami FL       AL092022
900 PM EDT Tue Sep 27 2022

...9 PM EDT HURRICANE IAN POSITION UPDATE...
...LIFE-THREATENING STORM SURGE, CATASTROPHIC WINDS AND FLOODING
EXPECTED IN THE FLORIDA PENINSULA...

The Key West International Airport recently reported a sustained 
wind of 50 mph (80 km/h) with a gust to 63 mph (101 km/h).  A 
private weather station near Coco Plum Beach, near Marathon, 
recently reported sustained winds of 38 mph (61 km/h) with a gust to 
47 mph (75 km/h).

SUMMARY OF 900 PM EDT...0100 UTC...INFORMATION
----------------------------------------------
LOCATION...24.5N 83.0W
ABOUT 180 MI...290 KM SSW OF PUNTA GORDA FLORIDA
ABOUT 15 MI...25 KM SSW OF THE DRY TORTUGAS
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H
PRESENT MOVEMENT...NNE OR 15 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...947 MB...27.96 INCHES

$$
Forecaster Bucci/D. Zelinsky
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2 minutes ago, Floydbuster said:

1919_Florida_Keys_hurricane_track.png

 

The 1919 Hurricane is counted as a 927 mb - 150 mph U.S. Landfall in the Dry Tortugas, so I do believe a landfall would count despite the lack of habitation. 

If it does make a DT landfall I can see it being a heck of a game show question 20 years from now.  Q - “Major Hurricane Ian which caused Billions in damage first made landfall in this part of the United States “   A - What is Dry Tortuga ? 

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3 minutes ago, Hotair said:

This model is calling for Sanibel landfall

 
 
 
 
 
 
ucrsdjWP_x96.jpg
 
 
Our short-range high-resolution weather models are now close enough to landfall for a forecast. This is the High Resolution Rapid Refresh model. Comes out every hour. This run brings #Ian to Sanibel 2 pm

5F523D72-B0C9-49EB-93C6-B70D522DF4E5.jpeg

I usually hold my tongue, but he should know better than to use the HRRR. :lol: 

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EWRC looks almost complete. At least from radar perspective. Eye has filled in on IR satellite for now. Satellite presentation has temporarily degraded some but could see it start improving as it reorganizes overnight. Shear is the potential fly in the ointment. I'm thinking winds might be down on next recon and pressure either steady or up. 

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9 minutes ago, Hotair said:

This model is calling for Sanibel landfall

 
 
 
 
 
 
ucrsdjWP_x96.jpg
 
 
Our short-range high-resolution weather models are now close enough to landfall for a forecast. This is the High Resolution Rapid Refresh model. Comes out every hour. This run brings #Ian to Sanibel 2 pm

5F523D72-B0C9-49EB-93C6-B70D522DF4E5.jpeg

I really want to comment to this on Twitter but I feel it’s a waste of time. If he’s that ignorant to be using the HRRR right now it will be like talking to a brick wall to make a point. I really wish, as a local met down there, he will focus more on the environment and mesoscale instead of the HRRR’s ever so changing hourly landfall locations. 

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4 minutes ago, Brian5671 said:

Big rains still look to be an issue there especially just S and E of the city.

Yeah, I am ignorant of what Tampa can handle in terms of 24 hour rain totals but 8-10" looks to be quite possible.  Even though they look to avoid the brunt of the hurricane force winds, I would imagine they will still have significant power outages based on the size of the TS wind field?

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20 minutes ago, olafminesaw said:

The new eye is about 40 miles across. Still has some work to do, but the EWRC appears to be mostly complete

KBYX - Super-Res Reflectivity Tilt 1, 9_24 PM.png

COD radar loop suggests what is left of the original eye will probably merge w/ the new N-ern eyewall fairly soon.  https://weather.cod.edu/satrad/nexrad/index.php?type=BYX-N0Q-0-6

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Hurricane Ian Tropical Cyclone Update
NWS National Hurricane Center Miami FL       AL092022
1000 PM EDT Tue Sep 27 2022

...10 PM EDT HURRICANE IAN POSITION UPDATE...
...EYE OF IAN NOW MOVING OVER THE DRY TORTUGAS...

The Key West International Airport recently reported a sustained 
wind of 52 mph (84 km/h) with a gust to 66 mph (106 km/h).  An 
elevated WeatherFlow station at Smith Shoal Light reported a 
sustained wind of 61 mph (98 km/h) with a gust of 91 mph (146 km/h).

SUMMARY OF 1000 PM EDT...0200 UTC...INFORMATION
----------------------------------------------
LOCATION...24.6N 82.9W
ABOUT 175 MI...280 KM SSW OF PUNTA GORDA FLORIDA
ABOUT 5 MI...10 KM S OF THE DRY TORTUGAS
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H
PRESENT MOVEMENT...NNE OR 15 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...947 MB...27.96 INCHES

$$
Forecaster Bucci/D. Zelinsky
 
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Product: Air Force Temp Drop (Dropsonde) Message (UZNT13 KNHC)
Transmitted: 28th day of the month at 2:16Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF96-5302
Storm Name: Ian
Storm Number: 09 (flight in the North Atlantic basin)
Mission Number: 24
Observation Number: 07 ( See all messages of this type for this mission. )

Part A...
 

Date: Near the closest hour of 2Z on the 28th day of the month
Highest Mandatory Level For Which Wind Was Reported: 850mb
Coordinates: 24.7N 83.0W
Location: 77 statute miles (124 km) to the W (277°) from Key West, FL, USA.
Marsden Square: 081 ( About )
 
Surface and Standard Isobaric Surfaces
Level Geo. Height Air Temp. Dew Point Wind Direction Wind Speed
1000mb -439m (-1,440 ft) This level does not exist in this area of the storm above the surface level.
952mb (28.12 inHg) Surface (Sea Level) 28.0°C (82.4°F) 25.7°C (78°F) 85° (from the E) 5 knots (6 mph)
925mb 257m (843 ft) 25.8°C (78.4°F) 25.0°C (77°F) 115° (from the ESE) 8 knots (9 mph)
850mb 1,000m (3,281 ft) 21.8°C (71.2°F) 20.9°C (70°F) 110° (from the ESE) 6 knots (7 mph)
700mb 2,676m (8,780 ft) Other data not available.

Information About Radiosonde:
- Launch Time: 2:05Z
- About Sonde: A descending radiosonde tracked automatically by satellite navigation with no solar or infrared correction.

Remarks Section...
 
Dropsonde Location: Dropped in center.

Highest altitude where wind was reported:
- Location: 24.66N 83.00W
- Time: 2:05:20Z

Lowest altitude where wind was reported:
- Location: 24.66N 83.01W
- Time: 2:09:14Z

Mean Boundary Level Wind (mean wind in the lowest 500 geopotential meters of the sounding):
- Wind Direction: 110° (from the ESE)
- Wind Speed: 8 knots (9 mph)

Deep Layer Mean Wind (average wind over the depth of the sounding):
- Wind Direction: 105° (from the ESE)
- Wind Speed: 5 knots (6 mph)
- Depth of Sounding: From 707mb to 951mb

Average Wind Over Lowest Available 150 geopotential meters (gpm) of the sounding:
- Lowest 150m: 155 gpm - 5 gpm (509 geo. feet - 16 geo. feet)
- Wind Direction: 95° (from the E)
- Wind Speed: 7 knots (8 mph)

Sounding Software Version: AEV 30407
 

Part B: Data for Significant Levels...
 

Significant Temperature And Relative Humidity Levels
Level Air Temperature Dew Point
952mb (Surface) 28.0°C (82.4°F) 25.7°C (78°F)
850mb 21.8°C (71.2°F) 20.9°C (70°F)
764mb 17.8°C (64.0°F) 16.4°C (62°F)
700mb 17.2°C (63.0°F) 12.8°C (55°F)
 
Significant Wind Levels
Level Wind Direction Wind Speed
952mb (Surface) 85° (from the E) 5 knots (6 mph)
911mb 120° (from the ESE) 9 knots (10 mph)
850mb 110° (from the ESE) 6 knots (7 mph)
707mb 355° (from the N)

2 knots (2 mph)

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