GaWx
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2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Please post banter or garbage here: -
Post banter here so readers of the main El Niño thread will be able to locate the good quality posts without having to sift through lots of garbage to find them.
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2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
So did forky, who has special privileges and staff powers for who knows what reason, just remove the Super El Nino banter thread that I posted a link to 30 minutes earlier? Or did he just remove my ability to view it? It all of the sudden now shows this when I view the link to the Banter thread that I provided in my prior post: Sorry, we can't show this content because you do not have permission to see it. -
Beautiful! Did anyone of note predict this? At a minimum, the Arctic ice news isn’t all bad right now and that’s putting it mildly:
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2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
The link below is to the banter thread, which hasn’t had a post since Sept 28th while there have been dozens of near worthless banter posts clogging up this thread with poop since then making it harder for readers to find the much higher quality posts. How does that make sense? -
12Z UKMET is at its strongest of any run so far at landfall with 979 mb at 12Z on Sat at AL/MS border. Then it heads N along the border followed by NNW/NW into MS. The center is in NW MS as of GA/AL gametime. Tornadoes look like a problem in much of N FL/AL/GA while heavy rain and strong winds hit N MS/Memphis area Sat afternoon/evening due to the tightest gradient in that area at that time. Interesting.
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2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Thanks. So, what does all of this say in regard to the ECMWF’s forecasted weaker than avg SPV in Jan/Feb? Is that a legit signal of a likely weaker than normal SPV then? -
2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Everything Daniel Swain says makes sense. ONI is essentially the sum of ENSO and GW, which is what I’ve been saying and is literally what he says here: “absolute (ONI) index, which includes climate warming signal…” If you want to measure the pure ENSO signal, itself, and compare that to the pure ENSO signal of past events, the recommendation is to use RONI as NOAA suggests in their official RONI table going back to 1950. I understand that warmer air holds more water vapor and thus allows for increased rainfall. Thus, ONI better measures increased absolute warmth/rainfall since it adds the GW component to the ENSO component. -
2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Thanks. But with ERA5 not being a prognosis, why is its blue line going all of the way til 5/1/27? -
2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Any comments about what this graph implies? Why is prog of ERA5 avg (blue) so much higher than prog of ECMWF mean (black)? Isn’t ERA5 produced by ECMWF? Is ERA5 its own projection model? Any explanation would be appreciated. -
2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
The CFS keeps missing too low and thus readjusting Nino 1+2 and Nino 3 higher while doing pretty much the opposite for 3.4 and 4 thus making it more and more E based from the already record E basedness. -
2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
This is the official RONI version of yours, which takes into account the amount of GW between Ninos (specifically as regards the warming of the global tropical SSTs) and thus gives a better comparison of Nino strength from Nino to Nino: 26 has been record warmest since early Aug and currently is 0.13 warmer than 97, 0.47 warmer than 82, .61 warmer than 15, and 1.47 warmer than 23: Here’s the new Euro RONI prog: 26-7 remains strongest, even warmer than the rapidly warming late peaking 82-3 although only barely warmer than 83 in Jan: -
0Z Euro has landfall near Biloxi ~8AM CDT Sat at 986 mb.
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The 0Z UKMET landfalls at Mobile at 987 mb ~4AM CDT Sat, which is weaker than its lowest SLP of 978 mb 12 hours earlier in the N Gulf. The center then moves N over W AL before turning left into EC MS and then NE MS. Beneficial rains fall over much of the SE.
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2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
That’s interesting that it dropped slightly. But it’s still a record high back to 1979 for AS. For all bimonthlies, the record high is 2.9 (AM of 1983). -
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12Z UKMET is strongest run yet with a H (65 knots/983 mb) hitting Biloxi followed by a move N into MS: NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER 24 HOURS FORECAST POSITION AT T+ 24 : 21.6N 93.7W LEAD CENTRAL MAXIMUM WIND VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS) -------------- ---- -------- ------------- ------------- 1200UTC 07.10.2026 24 21.6N 93.7W 1005 29 0000UTC 08.10.2026 36 22.0N 93.2W 1003 28 1200UTC 08.10.2026 48 22.6N 92.4W 1000 35 0000UTC 09.10.2026 60 22.7N 90.9W 999 31 1200UTC 09.10.2026 72 24.6N 89.6W 995 41 0000UTC 10.10.2026 84 26.4N 89.2W 992 45 1200UTC 10.10.2026 96 29.2N 88.7W 983 65 0000UTC 11.10.2026 108 32.3N 90.0W 994 26 1200UTC 11.10.2026 120 33.4N 90.4W 1003 27 0000UTC 12.10.2026 132 CEASED TRACKING
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I wonder if the GA/AL game in Tuscaloosa on Sat night (7:30PM EDT start) will be heavily impacted by the Gulf tropical cyclone forecasted to form soon. Any guesses?
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Do you think that the GA/AL game in Tuscaloosa on Sat night (7:30PM EDT start) will be heavily impacted? Edit: NHC track takes it past Tuscaloosa early afternoon. That tells me that the game itself during the evening shouldn’t be affected too heavily.
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0Z UKMET: landfall ~175 miles W of 12Z run with it near far SE LA and then MS. Strongest run yet with high end TS/990 mb: NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER 54 HOURS FORECAST POSITION AT T+ 54 : 22.2N 92.1W LEAD CENTRAL MAXIMUM WIND VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS) -------------- ---- -------- ------------- ------------- 1200UTC 08.10.2026 60 22.7N 91.7W 1003 30 0000UTC 09.10.2026 72 22.9N 89.9W 1001 30 1200UTC 09.10.2026 84 25.4N 88.6W 999 39 0000UTC 10.10.2026 96 26.4N 88.5W 997 48 1200UTC 10.10.2026 108 29.2N 88.7W 990 58 0000UTC 11.10.2026 120 32.1N 89.5W 992 29 1200UTC 11.10.2026 132 33.8N 88.8W 1002 25 0000UTC 12.10.2026 144 38.4N 83.2W 1003 12 1200UTC 12.10.2026 156 CEASED TRACKING
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2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Today’s Euro weekly for 10/5-11 is the final one: Look how much the cold signal for 10/5-11 in the E weakened overall over the last 10 days. However, the signal remained at about the same level in from the NE to down the coast NYC to Hatteras: Sep 25th run for 10/5-11: much stronger cold signal Week 2 (10/12-18) is warm. Just a few days ago it was cool. Other than week 1, the only other cool E weak is week three, 10/19-25: this week has been mainly coolish over the last week of runs: -
2026-2027 Record-breaking El Nino
GaWx replied to Stormchaserchuck1's topic in Weather Forecasting and Discussion
Today’s NOAA weekly relative ENSO release for last week: 23SEP2026 3.9 3.1 2.2 0.1 30SEP2026 4.5 3.3 2.3 0.1 Nino 1+2 warmed up strongly (0.6) to +4.5! For the week, it obliterates the prior record back to 1981 of +3.5 (1997). It is only barely shy of the all time record for any week of +4.6 (6/29/1983). Nino 3 warmed up by 0.2 to +3.3. That’s a new record high for the week with it beating the +2.8 of 1997. The record for any week is +3.6 (12/29/1982). Nino 3.4 warmed slightly to +2.3. This barely beats the +2.2 of 1982 for the week. The warmest for any week is +2.9 (12/29/82). Nino 4 remained at only +0.1, which in combo with the way warmer Nino 3 and Nino 1+2, makes ‘26 easily the most E based Nino on record. https://www.cpc.ncep.noaa.gov/data/indices/rel_wksst9120.txt -
60%/80% now: Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM EDT Mon Oct 5 2026 For the North Atlantic...Caribbean Sea and the Gulf of America: 1. Southwestern Gulf of America (AL92): A trough of low pressure over the southwestern Gulf of America is producing disorganized showers and thunderstorms. Although environmental conditions appear to be marginally conducive, gradual development is becoming more likely, and a tropical depression is expected to form during the middle portion of the week. This system is expected to drift eastward over the next couple of days, before it turns northward. It is too early to determine the specific impacts to the northern Gulf Coast, but interests there should closely monitor the progress of this system. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 7 days...high...80 percent.
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12Z UKMET: shifts back east from 0Z run’s far SE LA to MS/AL border track to new track into FL Pan for mid-grade TS followed by NNE and then NNW move in AL: NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER 66 HOURS FORECAST POSITION AT T+ 66 : 22.8N 92.4W LEAD CENTRAL MAXIMUM WIND VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS) -------------- ---- -------- ------------- ------------- 1200UTC 08.10.2026 72 24.0N 91.4W 1002 30 0000UTC 09.10.2026 84 25.2N 89.4W 999 34 1200UTC 09.10.2026 96 26.7N 88.0W 996 44 0000UTC 10.10.2026 108 28.7N 86.9W 995 49 1200UTC 10.10.2026 120 32.1N 86.1W 999 26 0000UTC 11.10.2026 132 34.5N 87.3W 1001 26 1200UTC 11.10.2026 144 CEASED TRACKING
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The thread for the Gulf tropical threat has been started:
