April 11, 2024: Greater Sudbury Weather Alert – Heavy Rainfall Warning

Rainfall Warning

SUDBURY – WEATHER – Greater Sudbury faces a daunting weather forecast, underscored by a heavy rainfall warning that puts the region on high alert. With the ground still hardened with frozen ground, the imminent deluge presents a significant challenge for absorption, raising concerns about flooding and the safety of low-lying areas.

As the skies prepare to open, let’s navigate through the intricacies of this weather event and its implications for the next few days.

Today’s Weather Overview

Current Conditions

The day begins under a mostly cloudy sky at Greater Sudbury Airport, with a brisk air temperature of 2.0°C at 6:00 AM EDT. Humidity levels are high at 93%, enveloping the region in a dense blanket of moisture.

The barometric pressure reads 101.2 kPa and is on a downward trajectory, signaling the approaching weather system. Winds from the Northeast blow gently at 10 km/h, offering a slight reprieve before the storm, with visibility standing strong at 24 km.

Expected Conditions

Today’s forecast promises a deceptive start with a mix of sun and cloud, quickly turning over to cloudy skies and the onset of rain, expected to accumulate between 5 to 10 mm. The winds will shift and intensify, moving from the Southeast at 20 km/h to gusty Northeastern blasts at 30 km/h, reaching up to 50 km/h.

Temperatures are expected to climb to a high of 10°C, with a moderate UV index of 4.

As the evening rolls in, the rain will intensify, bringing heavy downpours and accumulating an additional 20 to 30 mm. The relentless Northeast wind will continue at 30 km/h, gusting to 50 km/h, with temperatures holding steady at a low of 10°C.

Tomorrow’s Forecast

Friday will see continued rainfall, adding another 10 to 15 mm to the mounting totals, with winds shifting throughout the day and temperatures peaking at 14°C before a sharp afternoon drop. The precipitation may switch to snow or flurries as the night approaches, with temperatures plummeting to zero.

The weekend outlook hints at a reprieve with cloudy skies on Saturday and a high of 8°C, followed by a clearer night at plus 1°C. Sunday offers a mix of sun and cloud with a 30% chance of showers, maintaining a gentle oscillation in temperatures.

Weather Advisory

With total rainfall amounts forecasted between 30 to 60 mm, localized flooding is a tangible risk, especially in low-lying areas prone to rapid water accumulation. Residents are advised to stay informed on flooding updates through local Conservation Authorities or the Ontario Ministry of Natural Resources and Forestry. For detailed information, visiting Ontario.ca/floods is recommended.

Safety Tips

  • Reduce driving speeds and maintain a safe distance in reduced visibility conditions.
  • Avoid areas near washouts, rivers, creeks, and culverts.
  • Ensure children and pets are kept away from potentially dangerous water bodies.

Wardrobe Recommendations

Given the wet and windy conditions, waterproof outerwear, boots, and an umbrella are essential. Layering can help adjust to the variable temperatures, especially with the colder nights ahead.

Weather Trivia

Greater Sudbury’s diverse weather patterns are shaped by its unique geographic location, nestled amidst lakes and forests. The city’s ability to experience significant weather phenomena, from heavy snowfalls to summer thunderstorms, exemplifies the dynamic nature of Canada’s climate.

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