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February 21-23, 2022 | Severe Weather


ElectricStorm

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No longer have a number of warm sector discrete supercells but now we might have a long-lived supercell that rides the warm front... which is worse for the magnitude of the tornado threat.

dlfocK4.png

 

floop-hrrr-2022022216.refcmp.us_ov.gif

 

Plenty of sunshine

aS5HJ2z.gif

Edited by ClicheVortex2014
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24 minutes ago, ClicheVortex2014 said:

No longer have a number of warm sector discrete supercells but now we might have a long-lived supercell that rides the warm front... which is worse for the magnitude of the tornado threat.

dlfocK4.png

 

floop-hrrr-2022022216.refcmp.us_ov.gif

 

Plenty of sunshine

aS5HJ2z.gif

Good to see ya, CV!

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33 minutes ago, ClicheVortex2014 said:

No longer have a number of warm sector discrete supercells but now we might have a long-lived supercell that rides the warm front... which is worse for the magnitude of the tornado threat.

dlfocK4.png

 

floop-hrrr-2022022216.refcmp.us_ov.gif

 

Plenty of sunshine

aS5HJ2z.gif

Where would this supercell be? Not the best at interpreting HRRR. Glad to see you found your way here too!

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12 minutes ago, NebraskaEgg said:

Where would this supercell be? Not the best at interpreting HRRR. Glad to see you found your way here too!

 

21 minutes ago, RobB said:

Good to see ya, CV!

Thanks. I'm planning on being active in both forums. I don't do drama so I'm just gonna carry on. Easy enough to do a simple copy/paste when there's something like a tornado warning.

Northern MS/northern AL. Latest HRRR lost that warm front-riding supercell, but does have some others to worry about.

I do find it weird that HRRR had warm sector cells when it was supposed to be cloudy all day in the threat area... but now there's fewer warm sector cells when they're gonna get sun? I'm not doubting HRRR because I guess something else changed... maybe the forcing or something.

floop-hrrr-2022022217.refcmp.us_ov.gif.4816aa2ac96b7e806b320576d1aff57d.gif

Edited by ClicheVortex2014
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Just now, ClicheVortex2014 said:

 

Thanks. I'm planning on being active in both forums. I don't do drama so I'm just gonna carry on.

Northern MS/northern AL. Latest HRRR lost that warm front-riding supercell, but does have some others to worry about.

I do find it weird that HRRR had warm sector cells when it was supposed to be cloudy all day in the threat area... but now there's fewer warm sector cells when they're gonna get sun? I'm not doubting HRRR because I guess something else changed... maybe the forcing or something.

floop-hrrr-2022022217.refcmp.us_ov.gif.4816aa2ac96b7e806b320576d1aff57d.gif

I feel ya.  I still peek in at other forum.  I didn't ask for account deletion....

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3 minutes ago, ClicheVortex2014 said:

 

Thanks. I'm planning on being active in both forums. I don't do drama so I'm just gonna carry on. Easy enough to do a simple copy/paste when there's something like a tornado warning.

Northern MS/northern AL. Latest HRRR lost that warm front-riding supercell, but does have some others to worry about.

I do find it weird that HRRR had warm sector cells when it was supposed to be cloudy all day in the threat area... but now there's fewer warm sector cells when they're gonna get sun? I'm not doubting HRRR because I guess something else changed... maybe the forcing or something.

floop-hrrr-2022022217.refcmp.us_ov.gif.4816aa2ac96b7e806b320576d1aff57d.gif

Would that be the one to the south going from east central Mississippi to north central Alabama? I have a friend there I might want to warn - thanks for posting this.

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1 minute ago, NebraskaEgg said:

Would that be the one to the south going from east central Mississippi to north central Alabama? I have a friend there I might want to warn - thanks for posting this.

That one doesn't look too well developed based on that run, but the parameters are there for it to be supercellular. There's just a lot of uncertainty right now but it looks like the most favorable parameters will be closer to the warm front in N AL/N MS/S TN... but the warm sector is worth watching as well.

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Sounds like SPC likes N AL/N MS/S TN more than central MS

Quote
  Day 1 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0149 PM CST Tue Feb 22 2022

   Valid 222000Z - 231200Z

   ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS PARTS OF THE TN
   VALLEY...

   ...SUMMARY...
   Scattered damaging winds and a couple tornadoes remain possible into
   this evening across northern portions of Mississippi and Alabama
   into southern middle Tennessee.

   ...MS/AL/TN...
   Convective redevelopment is underway in the wake of the decaying
   squall line, both along the surface cold front in south-central AR
   and atop the pre-frontal convective outflow into the Memphis
   vicinity. Potential still exists for this activity to intensify as
   it overtakes the leading convective outflow given the undisturbed
   warm sector across much of MS has warmed into the upper 70s to mid
   80s. A linear cluster mode with embedded supercell structures should
   foster some threat for damaging winds and a tornado or two. 

   With southern extent into central MS, time-series of DGX VWP data
   indicates low-level shear has weakened as previously advertised. The
   decreasing spatial extent of adequately enlarged low-level
   hodographs coincident with potential sustained discrete convection
   (which continues to have limited confidence in occurring) suggests
   no appreciable adjustment is necessary for the southeast extent of
   the tornado/wind threat.

 

Edited by ClicheVortex2014
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