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Tropical Storm Henri


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11 minutes ago, Eskimo Joe said:

As someone who managed a utility company staging area post Hurricane Michael, it's better to overestimate power loss and have reserves ready to go than be short. 

Yup. Thank you. So many do not understand this. 

Underestimating can cost a tremendous increase in the length of outages 

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I can’t decipher much of a synoptic level trend, but I do wonder how intensity affects this thing. Keep an eye on that today for any last minute effects on the track. 

Maybe a subtle trend for the ridge to be slightly stronger at the end? Could just be noise too:

NEXLABdpdt-00Z-20210822_RAPMA_500_avort-

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8 minutes ago, USCG RS said:

Yup. Thank you. So many do not understand this. 

Underestimating can cost a tremendous increase in the length of outages 

My sister-in-law works at Eversource. Trust me, they are preparing big time. I also heard the communications in CT aren’t the greatest and were exposed during Isaias. 

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3 minutes ago, CoastalWx said:

My sister-in-law works at Eversource. Trust me, they are preparing big time. I also heard the communications in CT aren’t the greatest and were exposed during Isaias. 

They get fined per household that’s out after 3 days. And it’s significant . There’s an ES branch a few minutes from here . I see a boatload of out of state trucks filing in 

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Center dropsonde here. Might have seen another 1-2mb drop between passes based on the surface wind. 

 

Product: NOAA Temp Drop (Dropsonde) Message (UZNT13 KWBC)
Transmitted: 21st day of the month at 13:00Z
Agency: National Oceanic and Atmospheric Administration (NOAA)
Aircraft: Lockheed WP-3D Orion (Reg. Num. N42RF)
Storm Name: Henri
Storm Number: 08 (flight in the North Atlantic basin)
Mission Number: 9
Observation Number: 17 ( See all messages of this type for this mission. )

Part A...
 

Date: Near the closest hour of 13Z on the 21st day of the month
Highest Mandatory Level For Which Wind Was Reported: 850mb
Coordinates: 33.7N 72.3W
Location: 213 statute miles (343 km) to the ESE (120°) from Cape Hatteras, NC, USA.
Marsden Square: 116 ( About )
 
Surface and Standard Isobaric Surfaces
Level Geo. Height Air Temp. Dew Point Wind Direction Wind Speed
1000mb -59m (-194 ft) This level does not exist in this area of the storm above the surface level.
993mb (29.33 inHg) Surface (Sea Level) 27.4°C (81.3°F) 26.0°C (79°F) 280° (from the W) 21 knots (24 mph)
925mb 631m (2,070 ft) 25.0°C (77.0°F) 21.2°C (70°F) 275° (from the W) 18 knots (21 mph)
850mb 1,371m (4,498 ft) 20.2°C (68.4°F) 18.8°C (66°F) 275° (from the W) 16 knots (18 mph)

Information About Radiosonde:
- Launch Time: 12:44Z
- 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: 33.74N 72.28W
- Time: 12:44:11Z

Lowest altitude where wind was reported:
- Location: 33.74N 72.26W
- Time: 12:48:05Z

Mean Boundary Level Wind (mean wind in the lowest 500 geopotential meters of the sounding):
- Wind Direction: 275° (from the W)
- Wind Speed: 21 knots (24 mph)

Deep Layer Mean Wind (average wind over the depth of the sounding):
- Wind Direction: 280° (from the W)
- Wind Speed: 14 knots (16 mph)
- Depth of Sounding: From 751mb to 993mb

Average Wind Over Lowest Available 150 geopotential meters (gpm) of the sounding:
- Lowest 150m: 156 gpm - 6 gpm (512 geo. feet - 20 geo. feet)
- Wind Direction: 275° (from the W)
- Wind Speed: 23 knots (26 mph)

Sounding Software Version: AEV 30406
 

Part B: Data for Significant Levels...
 

Significant Temperature And Relative Humidity Levels
Level Air Temperature Dew Point
993mb (Surface) 27.4°C (81.3°F) 26.0°C (79°F)
953mb 24.6°C (76.3°F) 24.1°C (75°F)
921mb 24.8°C (76.6°F) 21.0°C (70°F)
850mb 20.2°C (68.4°F) 18.8°C (66°F)
751mb 16.2°C (61.2°F) 12.2°C (54°F)
 
Significant Wind Levels
Level Wind Direction Wind Speed
993mb (Surface) 280° (from the W) 21 knots (24 mph)
978mb 275° (from the W) 23 knots (26 mph)
895mb 270° (from the W) 14 knots (16 mph)
850mb 275° (from the W) 16 knots (18 mph)
801mb 280° (from the W) 10 knots (12 mph)
751mb 15° (from the NNE) 12 knots (14 mph)
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4 minutes ago, Damage In Tolland said:

They get fined per household that’s out after 3 days. And it’s significant . There’s an ES branch a few minutes from here . I see a boatload of out of state trucks filing in 

I mean that fine is silly after a certain point. What if a 38 comes? It’s not Eversource that is an issue. I get it for a TS, but eventually we will be knocked into the Stone Age and I wouldn’t blame grid companies. 

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7 minutes ago, CoastalWx said:

My sister-in-law works at Eversource. Trust me, they are preparing big time. I also heard the communications in CT aren’t the greatest and were exposed during Isaias. 

Plain and simple....Not enough underground infrastructure and/ or trees removed around the lines. People from other parts of the world, including rural zones laugh at our toothpick, above ground power grid.

My 3 friends who work for Eversource will be looking forward to days of overtime incoming. 

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  • dendrite changed the title to Tropical Storm Henri
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