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Welcome to the WEATHERAmerica Google Group, the home of the WEATHERAmerica Newsletter! Larry Cosgrove, manager of group.
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Larry Cosgrove
3:02 PM
DECEMBER WEATHER FORECASTS, Saturday, November 22, 2025
ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CanSIPS Temperature
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DECEMBER WEATHER FORECASTS, Saturday, November 22, 2025
ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CanSIPS Temperature
3:02 PM
Larry Cosgrove
3:00 PM
Updated OCEANIC NINO INDEX (ONI) TABLES And Analog Years, Saturday, November 22, 2025
To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools
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Updated OCEANIC NINO INDEX (ONI) TABLES And Analog Years, Saturday, November 22, 2025
To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools
3:00 PM
Larry Cosgrove
Nov 16
WEATHERAmerica Newsletter, Sunday, November 16, 2025; NEXT TEN DAYS
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Warm And Dry Pattern Continues In Much Of The USA (
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WEATHERAmerica Newsletter, Sunday, November 16, 2025; NEXT TEN DAYS
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Warm And Dry Pattern Continues In Much Of The USA (
Nov 16
Larry Cosgrove
Nov 16
WEATHERAmerica Newsletter, Saturday, November 15, 2025; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Still A (Mostly) Mild December Outlook CIMSS (2)
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WEATHERAmerica Newsletter, Saturday, November 15, 2025; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Still A (Mostly) Mild December Outlook CIMSS (2)
Nov 16
Larry Cosgrove
Nov 15
WEATHERAmerica Monthly Numerical Model Temperature Anomaly Forecasts; Saturday, November 15, 2025
DECEMBER 2025 ECMWF CanSIPS ANALOG JANUARY 2026 ECMWF CFS ANALOG FEBRUARY 2026 ECMWF CFS ANALOG MARCH
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WEATHERAmerica Monthly Numerical Model Temperature Anomaly Forecasts; Saturday, November 15, 2025
DECEMBER 2025 ECMWF CanSIPS ANALOG JANUARY 2026 ECMWF CFS ANALOG FEBRUARY 2026 ECMWF CFS ANALOG MARCH
Nov 15
Larry Cosgrove
Nov 15
WEATHERAmerica Newsletter, Saturday, November 15, 2025
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
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WEATHERAmerica Newsletter, Saturday, November 15, 2025
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
Nov 15
Larry Cosgrove
Nov 9
WEATHERAmerica Newsletter, Saturday, November 8, 2025; MEDIUM RANGE OUTLOOK
MEDIUM RANGE OUTLOOK (Four To Ten Days From Now) The (Modified) Cold Air Retreats Into Canada And The
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WEATHERAmerica Newsletter, Saturday, November 8, 2025; MEDIUM RANGE OUTLOOK
MEDIUM RANGE OUTLOOK (Four To Ten Days From Now) The (Modified) Cold Air Retreats Into Canada And The
Nov 9
Larry Cosgrove
Nov 8
WEATHERAmerica Newsletter, Saturday, November 8, 2025; SHORT RANGE OUTLOOK
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Alberta Clipper, Polar Air Mass Send A Short-Lived
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WEATHERAmerica Newsletter, Saturday, November 8, 2025; SHORT RANGE OUTLOOK
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Alberta Clipper, Polar Air Mass Send A Short-Lived
Nov 8
Larry Cosgrove
Nov 8
WEATHERAmerica Newsletter, Saturday; November 8, 2025; GLOBAL SATELLITE IMAGERY And WEATHER EXTREMES
TODAY'S FUN LINKS: UAH Earth System Science Center Researchers Question World Record for Hottest
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WEATHERAmerica Newsletter, Saturday; November 8, 2025; GLOBAL SATELLITE IMAGERY And WEATHER EXTREMES
TODAY'S FUN LINKS: UAH Earth System Science Center Researchers Question World Record for Hottest
Nov 8
Larry Cosgrove
Nov 2
WEATHERAmerica Newsletter, Saturday, November 1, 2025; MEDIUM RANGE OUTLOOK
SYNOPSIS (Up To Four Weeks From Now) A Mostly Mild October; Perhaps A Few Cold Interruptions In
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WEATHERAmerica Newsletter, Saturday, November 1, 2025; MEDIUM RANGE OUTLOOK
SYNOPSIS (Up To Four Weeks From Now) A Mostly Mild October; Perhaps A Few Cold Interruptions In
Nov 2
Larry Cosgrove
Nov 1
WEATHERAmerica Newsletter; Saturday, November 1, 2025
TODAY'S FUN LINKS: Mosquitoes found in Iceland for first time after record heat Hurricane Melissa
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WEATHERAmerica Newsletter; Saturday, November 1, 2025
TODAY'S FUN LINKS: Mosquitoes found in Iceland for first time after record heat Hurricane Melissa
Nov 1
Larry Cosgrove
Oct 30
WEATHERAmerica WINTER SEASON (DJFM) OUTLOOK; Thursday, October 30, 2025; PART 3
JANUARY A Kona Low. Prominent -EPO, -AO, -NAO blocking ridges. Probably a James Bay cAk vortex after
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WEATHERAmerica WINTER SEASON (DJFM) OUTLOOK; Thursday, October 30, 2025; PART 3
JANUARY A Kona Low. Prominent -EPO, -AO, -NAO blocking ridges. Probably a James Bay cAk vortex after
Oct 30
Larry Cosgrove
Oct 30
WEATHERAmerica WINTER SEASON (DJFM) OUTLOOK; Thursday, October 30, 2025; PART 2
MONTHLY FORECASTS NOVEMBER November has a mostly mild or normal appearance based in temperature
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WEATHERAmerica WINTER SEASON (DJFM) OUTLOOK; Thursday, October 30, 2025; PART 2
MONTHLY FORECASTS NOVEMBER November has a mostly mild or normal appearance based in temperature
Oct 30
Larry Cosgrove
Oct 30
WEATHERAmerica WINTER SEASON (DJFM) OUTLOOK; Thursday, October 30, 2025; PART THREE
EUROPE A mostly cool winter with few major temperature deviations. The fact that negative thermal
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WEATHERAmerica WINTER SEASON (DJFM) OUTLOOK; Thursday, October 30, 2025; PART THREE
EUROPE A mostly cool winter with few major temperature deviations. The fact that negative thermal
Oct 30
Larry Cosgrove
Oct 30
WEATHERAmerica WINTER SEASON (DJFM) OUTLOOK; Thursday, October 30, 2025; PART 1
ABSTRACT Using a weighted selection of analog years (above) bearing synoptic scale similarities to
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WEATHERAmerica WINTER SEASON (DJFM) OUTLOOK; Thursday, October 30, 2025; PART 1
ABSTRACT Using a weighted selection of analog years (above) bearing synoptic scale similarities to
Oct 30
Larry Cosgrove
Oct 19
WEATHERAmerica Newsletter, Saturday, October 18, 2025; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Reminders That, Despite Cold Frontal Passages,
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WEATHERAmerica Newsletter, Saturday, October 18, 2025; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Reminders That, Despite Cold Frontal Passages,
Oct 19
Larry Cosgrove
Oct 19
WEATHERAmerica Newsletter, Saturday, October 18, 2025; WEATHER EXTREMES And GLOBAL SATELLITE IMAGERY
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
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WEATHERAmerica Newsletter, Saturday, October 18, 2025; WEATHER EXTREMES And GLOBAL SATELLITE IMAGERY
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
Oct 19
Larry Cosgrove
Oct 12
WEATHERAmerica Newsletter; Saturday, October 11; 2025; SHORT RANGE OUTLOOK
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Guess Again. That is Not A Nor'easter Off Of The
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WEATHERAmerica Newsletter; Saturday, October 11; 2025; SHORT RANGE OUTLOOK
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Guess Again. That is Not A Nor'easter Off Of The
Oct 12
Larry Cosgrove
Oct 11
WEATHERAmerica Newsletter, Saturday, October 11, 2025; WEATHER EXTREMES And GLOBAL SATELLITE IMAGERY
TODAY'S FUN LINKS: WMO Bulletin Shows Recovery of Ozone Layer, Driven by Science World
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WEATHERAmerica Newsletter, Saturday, October 11, 2025; WEATHER EXTREMES And GLOBAL SATELLITE IMAGERY
TODAY'S FUN LINKS: WMO Bulletin Shows Recovery of Ozone Layer, Driven by Science World
Oct 11
Larry Cosgrove
Oct 5
WEATHERAmerica Newsletter, Sunday, October 5, 2025; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Trying To Figure Out If And When The Next Polar
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WEATHERAmerica Newsletter, Sunday, October 5, 2025; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Trying To Figure Out If And When The Next Polar
Oct 5
Larry Cosgrove
Oct 5
WEATHERAmerica Newsletter, Saturday, October 4, 2025; WEATHER EXTREMES And GLOBAL SATELLITE IMAGERY
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
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WEATHERAmerica Newsletter, Saturday, October 4, 2025; WEATHER EXTREMES And GLOBAL SATELLITE IMAGERY
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
Oct 5
Larry Cosgrove
Sep 28
WEATHERAmerica Newsletter; Saturday, September 27, 2025; SHORT RANGE, TROPICAL SYSTEMS OUTLOOK
SHORT RANGE, TROPICAL SYSTEMS OUTLOOK (Through The Next 72 Hours) Major Hurricane Humberto Humberto
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WEATHERAmerica Newsletter; Saturday, September 27, 2025; SHORT RANGE, TROPICAL SYSTEMS OUTLOOK
SHORT RANGE, TROPICAL SYSTEMS OUTLOOK (Through The Next 72 Hours) Major Hurricane Humberto Humberto
Sep 28
Larry Cosgrove
Sep 28
WEATHERAmerica Newsletter; Saturday, September 27, 2025; WEATHER HAZARDS And GLOBAL SATELLITE IMAGERY
TODAY'S FUN LINKS: The System that Moves Water Around the Planet Is Increasingly "Erratic
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WEATHERAmerica Newsletter; Saturday, September 27, 2025; WEATHER HAZARDS And GLOBAL SATELLITE IMAGERY
TODAY'S FUN LINKS: The System that Moves Water Around the Planet Is Increasingly "Erratic
Sep 28
Larry Cosgrove
Sep 20
WEATHERAmerica Newsletter, Saturday, September 20, 2025; WEATHER HAZARDS And GLOBAL SATELLITE IMAGES
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
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WEATHERAmerica Newsletter, Saturday, September 20, 2025; WEATHER HAZARDS And GLOBAL SATELLITE IMAGES
WEATHER HAZARDS (During The Next 24 Hours) SEVERE WEATHER OUTLOOK (potential for tornadoes, damaging
Sep 20
Larry Cosgrove
Sep 18
OCTOBER WEATHER FORECASTS; Thursday, September 18, 2025
ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CanSIPS Temperature
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OCTOBER WEATHER FORECASTS; Thursday, September 18, 2025
ANALOG YEARS USED FOR THIS FORECAST WEATHERAmerica Temperature Anomaly Forecast CanSIPS Temperature
Sep 18
Larry Cosgrove
Sep 18
Monthly Numerical Model Temperature Anomaly Forecasts; Friday, September 19, 2025
OCTOBER 2025 ECMWF CanSIPS ANALOG NOVEMBER 2025 ECMWF CFS ANALOG DECEMBER 2025 ECMWF CFS ANALOG
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Monthly Numerical Model Temperature Anomaly Forecasts; Friday, September 19, 2025
OCTOBER 2025 ECMWF CanSIPS ANALOG NOVEMBER 2025 ECMWF CFS ANALOG DECEMBER 2025 ECMWF CFS ANALOG
Sep 18
Larry Cosgrove
Sep 16
Updated OCEANIC NINO INDEX (ONI) TABLES And Analog Years, Tuesday, September 16, 2025
To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools
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Updated OCEANIC NINO INDEX (ONI) TABLES And Analog Years, Tuesday, September 16, 2025
To calculate possible weather outcomes using these analogs: Climate Plotting And Analysis Tools
Sep 16
Larry Cosgrove
Sep 14
WEATHERAmerica Newsletter, Sunday, September 13, 2025; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Two Question Marks: Another Amplified Upper Air
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WEATHERAmerica Newsletter, Sunday, September 13, 2025; EXTENDED PERIOD FORECAST
EXTENDED PERIOD FORECAST (Between Day 11 And Day 15) Two Question Marks: Another Amplified Upper Air
Sep 14
Larry Cosgrove
Sep 13
WEATHERAmerica Newsletter, Saturday, September 13, 2025; WEATHER HAZARDS And GLOBAL SATELLITE IMAGES
TODAY'S FUN LINKS: Decades of Data Show African Weather Disturbances Intensify during La Niña
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WEATHERAmerica Newsletter, Saturday, September 13, 2025; WEATHER HAZARDS And GLOBAL SATELLITE IMAGES
TODAY'S FUN LINKS: Decades of Data Show African Weather Disturbances Intensify during La Niña
Sep 13
Larry Cosgrove
Sep 7
WEATHERAmerica Newsletter, Sunday, September 7, 2025; SHORT RANGE OUTLOOK
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Polar Air Mass Covers Much Of The Eastern Two-Thirds
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WEATHERAmerica Newsletter, Sunday, September 7, 2025; SHORT RANGE OUTLOOK
SHORT RANGE OUTLOOK (Through The Next 72 Hours) Polar Air Mass Covers Much Of The Eastern Two-Thirds
Sep 7