Jared Rennie's Avatar

Jared Rennie

@jjrennie.bsky.social

Research Meteorologist at NOAA’s NCEI. We archive your data and I play with it. On this hell site too along with all the others.

13,257 Followers  |  1,373 Following  |  1,174 Posts  |  Joined: 18.09.2023  |  2.2493

Latest posts by jjrennie.bsky.social on Bluesky

I'm not in NWS, so not-essential

01.10.2025 15:47 — 👍 1    🔁 0    💬 1    📌 0
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a man in a tuxedo is dancing on a stage with a woman standing behind him . ALT: a man in a tuxedo is dancing on a stage with a woman standing behind him .
01.10.2025 14:35 — 👍 2    🔁 0    💬 0    📌 0
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New pump up music just dropped.

See you on the other side of the shutdown

youtu.be/TA9deCtUNGM?...

01.10.2025 14:23 — 👍 3    🔁 0    💬 1    📌 0

Shutdown

01.10.2025 13:38 — 👍 0    🔁 0    💬 1    📌 0

🤷‍♂️

01.10.2025 13:12 — 👍 0    🔁 0    💬 1    📌 0
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GOOD MORNING FOLKS!

01.10.2025 12:05 — 👍 53    🔁 4    💬 5    📌 0

Kind of

01.10.2025 00:02 — 👍 1    🔁 0    💬 1    📌 0
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Getting an email at 11:25am eastern with an action that's due by close of business September 30th.

30.09.2025 15:58 — 👍 12    🔁 1    💬 2    📌 0
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My string of #Helene talks comes to an end this Friday in Downtown Asheville. If you're around, please join us!

29.09.2025 21:01 — 👍 16    🔁 4    💬 0    📌 0
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a cartoon hand is holding a red stamp ALT: a cartoon hand is holding a red stamp
28.09.2025 18:01 — 👍 4    🔁 0    💬 0    📌 0
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Moment of Zen:
High Falls,
DuPont Stare Forest,
North Carolina.

28.09.2025 17:42 — 👍 40    🔁 11    💬 0    📌 1

I think yes Humberto is going to pull it away

28.09.2025 15:50 — 👍 2    🔁 0    💬 0    📌 0
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This is PRECISELY why folks can't take just one forecast and use it as gospel over a period of time.

The models for #TD9 were super tricky, and 48 hours ago we were thinking about a landfall in the Carolinas as a possibility.

Now it's going to take a literal right turn!

28.09.2025 15:35 — 👍 63    🔁 17    💬 12    📌 6
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two men sitting on a couch with the words we 've got a lot of work to do on the bottom ALT: two men sitting on a couch with the words we 've got a lot of work to do on the bottom
27.09.2025 18:46 — 👍 6    🔁 0    💬 1    📌 0
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27.09.2025 18:40 — 👍 10    🔁 0    💬 1    📌 0

“If it hits you, it’s just not your day.”

90% of people struck by lightning survive but many have lifelong injuries. We still see around 20 deaths from lightning every year in the U.S.

We’ve seen 5 deaths in the U.S. in September alone.

27.09.2025 17:38 — 👍 18    🔁 11    💬 2    📌 1
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The best course of action right now remains to continue monitoring your trusted sources for forecast updates, especially in the Bahamas and along the coast in the Carolinas, and ensure you have hurricane plans prepared in case of major impacts. (graphic from NHC)

27.09.2025 02:16 — 👍 15    🔁 8    💬 0    📌 0

Western NC: Keep Calm and Be Prepared

#NCwx

27.09.2025 00:58 — 👍 19    🔁 4    💬 0    📌 0
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Potential Tropical Cyclone 9 looking like it's going to be a serious rainstorm for the eastern Carolinas The goalposts of possible rainfall totals in the Carolinas are quite wide

Here is our evening update on Potential Tropical Cyclone 9, a system likely to become Imelda, hit the Bahamas, and then threaten the coastal Carolinas with very heavy rain. Details on the rainfall scenarios.

#ncwx #scwx

27.09.2025 00:08 — 👍 38    🔁 16    💬 2    📌 6
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Woof #PTC9

26.09.2025 20:58 — 👍 14    🔁 2    💬 1    📌 1

Helene was also PTC9

26.09.2025 20:37 — 👍 11    🔁 2    💬 1    📌 0
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We continue to monitor Hurricane Humberto and AL94 in the Atlantic.

Make sure to check hurricanes.gov for the latest forecast.

26.09.2025 16:45 — 👍 133    🔁 30    💬 5    📌 7
Plot of vertical temperature profiles measured by Argo floats for the top 120 meters of the ocean within 94L's outlook area as of 12 UTC 26 September. Inset map shows the locations of each profile where the line color matches the dot color.

Plot of vertical temperature profiles measured by Argo floats for the top 120 meters of the ocean within 94L's outlook area as of 12 UTC 26 September. Inset map shows the locations of each profile where the line color matches the dot color.

Line plots of area-averaged daily sea surface temperature (SST) in the subtropical North Atlantic as of September 25, 2025. Black shows the 1991-2020 average, red shows 2023, orange shows 2024, and blue shows 2025 (so far). An inset map depicts September 25th's map of anomalies, where the dashed box represents the averaging region used to make the line plot values. These are computed from NOAA's OISST dataset using Python.

Line plots of area-averaged daily sea surface temperature (SST) in the subtropical North Atlantic as of September 25, 2025. Black shows the 1991-2020 average, red shows 2023, orange shows 2024, and blue shows 2025 (so far). An inset map depicts September 25th's map of anomalies, where the dashed box represents the averaging region used to make the line plot values. These are computed from NOAA's OISST dataset using Python.

Infrared image from UW-CIMSS for 1420 UTC on 26 September centered on 94L (the "I" label) that also shows 200-850-hPa (deep layer) vertical wind shear. Green contours imply weak shear, yellow imply moderate shear, and red imply strong shear. Higher vertical wind shear tends to get in the way of tropical cyclone development.

Infrared image from UW-CIMSS for 1420 UTC on 26 September centered on 94L (the "I" label) that also shows 200-850-hPa (deep layer) vertical wind shear. Green contours imply weak shear, yellow imply moderate shear, and red imply strong shear. Higher vertical wind shear tends to get in the way of tropical cyclone development.

Map of total precipitable water derived from microwave imagery by UW-CIMSS for 1100 UTC on 26 September centered on 94L (the "I" label). Higher values (orange, brown, pink colors) imply more moist air, and more moisture can support the thunderstorms that "power" a future tropical cyclone.

Map of total precipitable water derived from microwave imagery by UW-CIMSS for 1100 UTC on 26 September centered on 94L (the "I" label). Higher values (orange, brown, pink colors) imply more moist air, and more moisture can support the thunderstorms that "power" a future tropical cyclone.

The tropical wave labeled 94L (no, I won't name it in advance) has warm water, moderate to low vertical wind shear, and plenty of moist air ahead of it. The system is partly over land today, delivering heavy rain and gusty winds to the Dominican Republic, Haiti, and the Turks and Caicos Islands.

26.09.2025 15:51 — 👍 17    🔁 5    💬 0    📌 0

Simple yet powerful.

Hurts me as a parent too

26.09.2025 15:14 — 👍 1    🔁 0    💬 0    📌 0

While the #Helene anniversary has been traumatic for most in the area (and the tropical situation isn't helping). the use of photography is important tel tell the story.

And as media will come and go with the anniversary, the stories should still be told, so we do not forget.

26.09.2025 14:38 — 👍 4    🔁 1    💬 1    📌 0
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Helene in Southern Appalachia One year later: An event analysis and how we move forward.

Even if you're not from here, I'd suggest you check it out

Yes you can get your "disaster porn" fix , but you can also get the personal experiences from folks who lived through the event.

We even got permission from them to use photos for our story map

storymaps.arcgis.com/stories/8887...

26.09.2025 14:38 — 👍 4    🔁 1    💬 1    📌 0
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Come Hell or High Water In late September 2024, Tropical Storm Helene ripped through Western North Carolina. Helene eclipsed the Great Flood of 1916, and is now the most significant natural disaster in our region’s r…

The @buncombecounty.bsky.social special collections group developed a website called "Come Hell or High Water" which is a fantastic website documenting EVERYTHING about #Helene.

It includes photos, videos, and oral histories.

specialcollections.buncombecounty.org/helene/

26.09.2025 14:38 — 👍 5    🔁 2    💬 1    📌 0

I've said before here and in local talks I'm not going to show damage photos. And I still probably won't.

HOWEVER they can serve as a reference for both past and future events, cause guess what? It's probably going to happen again!

26.09.2025 14:38 — 👍 3    🔁 0    💬 1    📌 0
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They say pictures are worth a thousand words, which can be cliche, but it's SO true.

When @wxbrad.bsky.social saw that downtown Boone NC, an area not near a river, was flooding similar to their flood of 1940, he knew it was going to be bad.

26.09.2025 14:38 — 👍 3    🔁 1    💬 1    📌 0
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But, what was helpful were the IMAGES.

This image is not from #Helene, but rather 2004.

When I saw the forecast for Helene, I knew that it was going to be like this, if not worse.

26.09.2025 14:38 — 👍 4    🔁 0    💬 1    📌 0

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