Stormy Saturday in Maritimes

Ominous sky over Moncton, 10 Aug 2019 (B. Smith-Peterson/Facebook)

A line of strong thunderstorms moved across New Brunswick, western Prince Edward Island and eastern Nova Scotia on Saturday bringing heavy downpours, hail and strong winds.

Greater Moncton was under a severe thunderstorm warning for a few hours with hail about 1 cm in diameter being reported outside the city.

Heavy rain also caused flash flooding in downtown Shediac with social media posts showing vehicles making their way through water clogged streets.

Temperatures also plunged from the low 20s to the mid-teens as the storms passed.

Although the rain is needed, concert goers might disagree with the first show being staged on Magnetic Hill today in four years.

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Severe weather moves across N.B.

Dark clouds northwest of Moncton, 31 July 2019 (Dearing)

A line of severe thunderstorms slid through New Brunswick tonight producing heavy rain, hail and strong, gusty winds up to 100 km/h.

Small funnel clouds were noticed but no reports of tornadoes.

Environment Canada issued watches and warnings for many parts of the province including Greater Moncton.

The ridge of storm clouds passed to the northwest of the city and not a single drop of rain fell but it did drop temperatures enough to end the heat warning.

Barry weakens after making landfall

Barry has been downgraded to a tropical depression after making landfall west of New Orleans on Saturday as a Category 1 hurricane.

Although Barry did not bring devastating flooding as some forecasters had originally thought similar to Hurricane Katrina in 2005, parts of Louisiana did receive more than 400 mm of rain which swamped the Mississippi River delta.

Emergency responders rescued at least 90 residents but there were no reports of fatalities.

Remnants of Barry have been moving northward with heavy rain across the American South up to the Midwest.

Louisiana braces for Barry

Barry TWN
Tropical Storm Barry continues churning in the northern Gulf of Mexico with sustained winds of more than 100 km/h.

The U.S. National Hurricane Center says Barry is expected to make landfall as a hurricane along the coast of Louisiana on Saturday morning.

The city of New Orleans is on alert for heavy rain (up to 500 mm) and flooding along with storm surges although no evacuations have yet been ordered.

This is the first tropical system to impact the United States in 2019.

After landfall, Barry is expected to weaken and head northward through the Mississippi Valley.

State of emergency lifted in Alberta

AB Yellowhead County July 10.19

Highway cut in half by floodwaters in Yellowhead County, AB, 10 July 2019 (Facebook)

Days of severe weather including heavy rain, thunderstorms, hail, tornadoes and flooding led officials in western Alberta to declare a state of emergency.

However, Yellowhead County (west of Edmonton) dropped the declaration on Wednesday when floodwaters receded.

Many roads had to be closed or were made impassable after flooding and drivers were being asked to obey any barriers in place.

Residents were being warned about possible contamination of their drinking water.

Yellowhead County officials say at least 25 homes were directly impacted by floodwaters.

June 2019 – Mild and wet

Strawberry plant in blossom after rain, NE Moncton, 29 June 2019 (Dearing)

The average monthly temperature for June in Greater Moncton was at least close to normal compared to a damp, cold May.

While daytime highs climbed to 20°C or higher on 20 days, significant heat was scarce and the thermometer didn’t even get close to 30°C.

Rainfall was heavier than normal – a measurable amount was recorded on 21 days – following a trend which began in early spring.

About three-quarters of the precipitation fell during the last ten days of the month.

JUNE 2019 ALMANAC (at Greater Moncton Int’l Airport, 1981-2010)

Average HIGH  21.0°C

Average LOW  8.8°C

AVERAGE  14.9°C (about 0.3 degrees BELOW normal)

Extreme HIGH  26.0°C (19 June)

Extreme LOW  2.8°C (01 June)

RAINFALL  128.9 mm (almost 30 percent ABOVE normal)

(Data courtesy Environment Canada)

Heavy rain hits Maritimes

Ominous sky over Jones Lake, Moncton, 04 June 2019 (Dearing)

A slow moving low pressure system crossed the Maritime Provinces on Friday bringing heavy rain to the region.

Environment Canada had posted rainfall warnings for many areas with 40 to 60 mm in southern New Brunswick and Prince Edward Island and up to 100 mm in northern Nova Scotia.

Here are some rainfall totals (in mm):

  • Parrsboro, NS  123
  • Greenwood, NS  81
  • Kejumkujik NP, NS  72
  • Saint John, NB  61
  • Charlottetown, PEI  54
  • Summerside, PEI  53
  • Greater Moncton Airport, NB  52
  • Halifax Stanfield Airport, NS  41
  • Fredericton, NB  30
  • Yarmouth, NS  22

Severe weather in Manitoba, NW Ontario

tstorms
After a hot and windy day across southern Manitoba, severe thunderstorms developed late Friday afternoon with heavy rain, hail and lightning strikes causing at least one grass fire.

Daytime highs soared to 36.6°C in Winnipeg and 37.3°C in Carman which was the hot spot in Canada.

Temperatures dropped dramatically after the storms rolled through and damaging winds up to 100 km/h were reported in some areas along with nickel-sized hail.

The heat and thunderstorms moved east into northwestern Ontario with Kenora reaching 33.0°C yesterday and Armstrong climbing to 32.3°C today.

Spring 2019 in review

Spring 2019
Meteorological spring in Southeast New Brunswick turned out to be colder and much wetter than normal compared to the 30-year average.

While March and April both had above normal temperatures, May was colder by a significant 2.4 degrees which brought down the overall seasonal average.

Rainfall was heavy in April and May and while snowfall was below normal for the three month period, the final snow flurries were spotted as late as 21 May.

Risk of frostbite

Hoar frost on trees in west end Moncton, 14 Jan 2019 ( Dearing)

A good old fashioned January cold snap continues in New Brunswick with well below normal temperatures since last weekend.

Wind chill values have dropped to -30 giving the risk of frostbite on exposed skin.

After a frosty -21.4°C in Greater Moncton earlier this week, forecasters say a further tumble to -23°C is likely before a potent winter storm arrives on Sunday.

Environment Canada is tracking a system moving across the U.S. which is expected to bring at least 30 cm of snow, 50 mm of rain, a period of freezing rain and strong winds to the Maritimes.