Jay Grymes (@jaygrymes_wx) 's Twitter Profile
Jay Grymes

@jaygrymes_wx

State Climatologist at LSU
Louisiana GOHSEP Weather Support

ID: 40863682

calendar_today18-05-2009 12:31:04

15,15K Tweet

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NWS New Orleans (@nwsneworleans) 's Twitter Profile Photo

🌪️ Preliminary survey results are in for the October 6th tornadoes that tracked across southern Tangipahoa Parish this morning. Three tornadoes have been confirmed near Tickfaw, Loranger, and South Robert with each rated EF0 to EF1. Here’s a closer look at what we found ⤵️ #lawx

🌪️ Preliminary survey results are in for the October 6th tornadoes that tracked across southern Tangipahoa Parish this morning. Three tornadoes have been confirmed near Tickfaw, Loranger, and South Robert with each rated EF0 to EF1. Here’s a closer look at what we found ⤵️ #lawx
Steve Caparotta, Ph.D. (@stevewafb) 's Twitter Profile Photo

NEW: NWS New Orleans confirms that 3 tornadoes touched down in Tangipahoa Parish on Monday morning: 🌪️EF-1 near the Hammond Airport 🌪️EF-0 southeast of Loranger 🌪️EF-1 south of Robert

NEW: <a href="/NWSNewOrleans/">NWS New Orleans</a> confirms that 3 tornadoes touched down in Tangipahoa Parish on Monday morning:

🌪️EF-1 near the Hammond Airport

🌪️EF-0 southeast of Loranger

🌪️EF-1 south of Robert
Backpirch Weather (@backpirchcrew) 's Twitter Profile Photo

7 years ago today, the first Category 5 Hurricane to make landfall in the United States since 1992 ripped across the beaches of the Florida Panhandle.

Jay Grymes (@jaygrymes_wx) 's Twitter Profile Photo

Cold front sweeps from NW to SE across LA later today, overnight & into Sunday AM. “Slight Risk” for severe storms … mainly over northern half of state this afternoon into the evening. Winds as primary threat but can’t totally exclude a potential for tornado(s). System

Cold front sweeps from NW to SE across LA later today, overnight &amp; into Sunday AM.

“Slight Risk” for severe storms … mainly over northern half of state this afternoon into the evening.  Winds as primary threat but can’t totally exclude a potential for tornado(s).

System
Jay Grymes (@jaygrymes_wx) 's Twitter Profile Photo

Tropics Update: Monday Morning, Oct 20 98L looks to be well on its way to becoming T.S. Melissa, the 13th 'named' storm for the Atlantic Basin and the first 'named' storm over the Caribbean.  98L/TD#13/Melissa is expected to slowly track westward over the next 3 to 5 days and

Jay Grymes (@jaygrymes_wx) 's Twitter Profile Photo

Tropics Update: Tuesday Morning, Oct 21 No tropical threats for Louisiana through the next 7+ days. 98L is likely to get the upgrade to T.S. Melissa sometime later today ... the 13th 'named' storm for the Atlantic Basin and the first 'named' storm over the Caribbean. Most of

Jay Grymes (@jaygrymes_wx) 's Twitter Profile Photo

Tropics Update: Wednesday Morning, Oct 22 T.S. Melissa looks almost stalled over the Caribbean, with the NHC 5-day forecast (the 'cone') showing very little forward advance while the system slowly strengthens into a hurricane. The official NHC forecast has Melissa at Category

Ryan Maue (@ryanmaue) 's Twitter Profile Photo

The Caribbean "warm pool" is by far the deepest/warmest reservoir of "hurricane fuel" in the Western Hemisphere w/exceptional ocean heat content supportive of Category 5 hurricane into late October. Melissa should have no trouble reaching maximum potential intensity

The Caribbean "warm pool" is by far the deepest/warmest reservoir of "hurricane fuel" in the Western Hemisphere w/exceptional ocean heat content supportive of Category 5 hurricane into late October. 

Melissa should have no trouble reaching maximum potential intensity
Philip Klotzbach (@philklotzbach) 's Twitter Profile Photo

#Melissa is forecast by the National #Hurricane Center to become a Category 4 hurricane. If it does so, it would be the 4th of the first 5 hurricanes of 2025 to become Cat. 4+. Only 3 other times on record have 4 of the first 5 Atlantic hurricanes reached Cat 4+: 1932, 1999, 2010

Jay Grymes (@jaygrymes_wx) 's Twitter Profile Photo

Saturday 6:50 AM: Here comes Round #1 of two expected this weekend. There is a decent chance that a break between the two rounds will accommodate the LSU and Southern games … but have the raingear ready just in case …

Steve Caparotta, Ph.D. (@stevewafb) 's Twitter Profile Photo

My goodness...special update from NHC now has maximum sustained winds up to 180 mph and pressure down to 896 mb in #Melissa. Pressure is 6th lowest on record in the Atlantic & winds tied for 6th highest on record in the basin.

My goodness...special update from NHC now has maximum sustained winds up to 180 mph and pressure down to 896 mb in #Melissa. Pressure is 6th lowest on record in the Atlantic &amp; winds tied for 6th highest on record in the basin.
MyRadar Weather (@myradarwx) 's Twitter Profile Photo

LOOK AT THESE! You've probably never heard of "mesovortices," but the eyes of major/intensifying hurricanes, like Category 5 Melissa, actually contain addition, smaller whirls a few miles across. Mesovortices are a few miles across; they form as a way to balance an extreme

Backpirch Weather (@backpirchcrew) 's Twitter Profile Photo

Almost all Major Hurricanes undergo an eyewall replacement cycle. Melissa never did. She sustained CATEGORY 5 status for 35 consecutive hours, the 8TH longest total duration of Cat 5 winds ever documented in an Atlantic Hurricane, and the longest since Hurricane Irma in 2017.

Backpirch Weather (@backpirchcrew) 's Twitter Profile Photo

20 years after the Hurricane Season that spawned historically strong storms like Katrina, Rita, and Wilma, 2025 is now just the 2nd year on record to have THREE or more CATEGORY 5 cyclones form in the Atlantic Basin. Erin in August. Humberto in September. And Melissa in October.

Matt Devitt (@mattdevittwx) 's Twitter Profile Photo

Hurricane Season isn't over, but it's quickly winding down. Here's a look at first predictions vs actual. Although a large range, NOAA's forecast did pretty well. Numbers were near to slightly below normal. ACE (Accumulated Cyclone Energy) was slightly above normal. For the

Hurricane Season isn't over, but it's quickly winding down. Here's a look at first predictions vs actual. Although a large range, NOAA's forecast did pretty well. Numbers were near to slightly below normal. ACE (Accumulated Cyclone Energy) was slightly above normal. For the
LOSC (@lastateclimate) 's Twitter Profile Photo

The CPC released their outlooks for November and odds are Louisiana will be drier and warmer than normal. This is not surprising considering La Nina conditions are present which typically leads to drier and warmer conditions across Louisiana.

The CPC released their outlooks for November and odds are Louisiana will be drier and warmer than normal.  This is not surprising considering La Nina conditions are present which typically leads to drier and warmer conditions across Louisiana.