Category Archives: drought

Extended period of little or no precipitation

Effects of Storms

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Effects of Storms

Effects of Storms can be anything from the change in temperature to the damage in some cases - extreme destruction. Storms can impact people and property in many ways. Generally, the more severe the storms, the more the impact.

The media often report on stories such a Tropical Cyclone Yasi and Debbie and the impact of other storms such as trees through houses. Of course, a lot depends on the climate of the region.
In Europe and the North America, the effect of storms and weather can be from snow or ice! Snow can cause major disruptions to transports including roads and airport due to accidents or closures. Electricity supply failures can also occur

Approaching storms can also raise dust reducing visibility and eroding good top soil from agricultrual land.
Furthermore, Australia is a country prone to major bushfires which can destroy property, cause loss of livestock and also take lives..


Australia is a land of extremes and with droughts comes the floods. Major losses occur to property in terms of insurance values and loss of items runs into the tens of millions. This flood in Lismore certainly illustrates the impacts on the local community. Roads were also damaged in more recent floods: the dangers are certainly evident!

Some of the most intense efects of storms damage images come from tornadoes. Tornadoes can cause vehicles and even house to be relocated with even whole communities being destroyed. Greensburg suffered from its fate on the evening of the 4th May 2007. A 2.7km wide major tornado made a direct hit on the country township obliterating anything in its path!

Rain Event likely 16th December 2016

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Rain event 16th December 2016

Rain Event 16th December 2016

After an extended dry period with very little rainfall throughout the past few months, there is hope for some good soaking rainfall across parts of NSW and SW Queensland as a rain event develops. It seems a northwest cloud band is with in-feed of moisture along a change should provide the focus for storms and rainfall across the inland extending to the coast.

After an extended dry period with very little rainfall throughout the past few months, there is hope for some good soaking rainfall across parts of NSW and SW Queensland. It seems a northwest cloud band is with in-feed of moisture along a change should provide the focus for storms and rainfall across the inland extending to the coast.

Rainfall amounts should be in the vicinity of 20 to 30mm across parts of the region including Sydney and the Central Coast with cooler conditions after such excessive above average heat. Great weather for the garden.

Rain event 16th December 2016

Rain event 16th December 2016

Fort Mc Murray fires and evacuation of city of 80,000 – 3 to 6 May 2016

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FortMcMurrayblaze1

NASAWorldviewFires

Fires6May16

The city of Fort Mc Murray lies approximately 56.43 degrees north and 111.22 degrees west in north east Alberta (Canada). Some 80,000 residents live within the municipal region.

The climate features severe cold winters with snow and summers are short due to latitude although it can reach 30C during the short summer season. The highest temperature recorded is 37C on 10 August 1991 while the lowest is minus 50.6C on 1 February 1947.

Rainfall is relatively low at 464.8 mm per year and snow cover is assured during the long cold winter. The bioclimate is generally boreal moist forest which provides some background to the climate of the region.

A wildfire within this region is highly unusual which has caused the evacuation of over 80,000 residents. As seen from NASA'S Terra MODIS satellite, vast plumes of thick smoke casts a shadow across over the region. It appears the worst of the fires is to the east and south east of the urban areas and fires have been fanned by dry southerly winds.

Using the NASA's Worldview system, the fire hot spots have been overlaid across the image to provide a better image of the hot spots.

There is also a separate fire burning north of the Gipsy Lake Wildland Provincial Park. At the time the satellite passed over, a cold front had passed through and winds were north west which would help fire fighters. Conditions are now cooler than that of recent days.

Recent maximum daily temperatures that have occurred are:-

1 May 25C.
2 May 27C.
3 May 33C (This was the day when the fires took hold as seen in media reports).
4 May 32C.
5 May 19C.
6 May 20 (To date).

A forecast top temperature of 27C is being made for May 7 with cooler conditions to come thereafter.

Recent overnight minimum temperatures for the same period are:-

1 May 1C.
2 May 4C.
3 May 11C (The nigh time conditions have been cold).
4 May 10C.
5 May 12C.
6 May 8C.

It can be seen that the minimum temperatures have been somewhat cold during this period which makes this event incredible.

When reviewing rainfall data for February to May, it can be seen that it has been dry. The heaviest rainfall has been 11 mm recorded on April 13 2016. The forest has dried out over recent months and given the right conditions, a fire has taken hold and reached such catastrophic levels.

It appears the worst of the conditions are over as long range forecasts do point to colder conditions and some rainfall which will help to ease the fire situation and assist fire fighters in containing the blazes across the region.

CREDITS

1 - Accuweather - Weather data for Fort Mc Murray for 1 to 6 May 2016.
2 - Fort Mc Murray Alberta Canada Climate data.
3 - NASA (Worldview) TERRA MODIS using fire and hotspot overlays acquired 6/5/2016.

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