The Impact of Weather
By Gary Kerney
A recent study examined how weather affects the U.S. economy,
concluding that even minor changes in weather have a significant
impact. Weather plays a role in many aspects of the economy,
including travel, commerce, agriculture, and manufacturing.
Severe weather events such as tornadoes and hurricanes obviously
have an effect, but so do less severe conditions such as hot and
cold temperatures or rainy days. Some scientists have estimated
that the influence of routine weather can cost 3.4 percent of the
entire U.S. gross domestic product.
The National Oceanic and Atmospheric Administration (NOAA)
released a statement in June that events in the first half of 2011
put it among the most extreme weather years in history. According
to Property Claim Services® (PCS®) estimates, insurers incurred
nearly $15 billion in damages from tornadoes and severe weather
that ravaged large regions of the central and southeastern United
States in April and May. A large insurance broker estimated the
total economic costs associated with the severe spring weather to
be more than $21 billion.
The U.S. Bureau of Labor Statistics believes that a magnitude 7.8
earthquake in Southern California would affect hundreds of thousands
of businesses and millions of workers. The impact of the
earthquake would have serious implications for jobs in healthcare,
retail, manufacturing, and education. The effects would
ripple through the entire economy and affect businesses not even
close to the quake site. Many of the repercussions would arise
from supply chain disruptions. Supply chain disruptions, similar
to those experienced following the earthquake and tsunami in
Japan in March 2011, could have drastic and crippling consequences
for production, reputation, competitiveness, and
shareholder value.
Severe weather or high-severity events can make a lasting imprint
on the lives of so many. Just as companies need viable business
continuity plans, homeowners too need to consider what they can
do to diminish the negative effects of a disaster.
If one lesson can be learned from the severe weather in the first
half of 2011, it is that there is no time to prepare for economic
injury in the face of disaster. The rapid advance of wildland fires
or the unexpected occurrence of earthquakes, tornadoes, hurricanes,
hail, damaging winds, and storm surge leaves little time to
prepare homes or businesses for the extensive damage those perils
can cause to lives and livelihood. It is so much more prudent to
plan a strategy beforehand.
In the article he wrote for this publication, Frank Coyne noted the
strategy has to "encompass more than traditional property insurance."
Purchasing insurance is often not the complete solution.
A lack of insurance or inadequate insurance protection can prevent
reconstruction or the completion of repairs in a timely fashion.
We have seen this after many major catastrophes, affecting
such important occupancies as medical facilities and universities.
Needless to say, functioning hospitals are critical in the aftermath
of disasters.
In many cases, having only some insurance is far from adequate.
For example, flood insurance and earthquake insurance cover
very specific perils that are not included in most homeowners
policies. Being underinsured will likely lead to damage not being
repaired or, even worse, result in abandoned properties. This happened in parts of the city of New Orleans following Hurricane
Katrina in 2005. Six years later, some of those properties remain
unrepaired and vacant.
With the wide-ranging destruction of property in many catastrophes,
there is a subsequent loss or severe reduction in property tax
revenue. Damaged buildings don't carry the same value as intact
homes and businesses. Lost taxes impair the ability of local, state,
and federal governments to restore such necessary services as fire,
police, and public works departments. In previous catastrophes,
those buildings and the equipment housed in them were destroyed
and not replaced because of a lack of funding. If that happened in
your town, would you want to move back and rebuild your home
or business? The answer is, not likely.
Figure 1
Billion-Dollar Climate and Weather Disasters (1980–2010*)
| Disaster Type
|
# of Events |
Percent Frequency |
Normalized Damages ($B) |
Percent Damage |
| Tropical Storms,
Hurricanes |
27 |
27.2% |
$367.3 |
50.6% |
| Severe Weather |
21 |
21.2 |
41.4 |
5.7 |
| Heat Waves, Droughts |
15 |
15.2 |
185.2 |
25.6 |
| Nontropical Floods |
15 |
15.2 |
74.3 |
10.2 |
| Fires |
10 |
10.1 |
19.2 |
2.6 |
| Freezes |
6 |
6.1 |
18.6 |
2.6 |
| Blizzards |
2 |
2.0 |
11.9 |
1.6 |
| Ice Storms |
2 |
2.0 |
5.9 |
~0.8 |
| Nor'easters |
1 |
1.0 |
2.2 |
~0.3 |
| |
99 |
|
$726.0 |
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Weather plays a role in many aspects of the economy, including travel,
commerce, agriculture, and manufacturing. Severe weather or high-severity
events can make a lasting imprint on the lives of many. A lack of insurance
or inadequate insurance protection can prevent reconstruction or the completion
of repairs in a timely fashion. It is important that everyone identify
the measures they can take beforehand to reduce the negative impact of
a disaster. This map depicts weather-related events that have had the
greatest economic impact from 1980 to 2010.

*Important note: An event is counted if total damage estimate exceeds $1 billion.
A single event may affect multiple states.
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Increased costs and disruptions associated with higher unemployment
also often occur following a disaster. When small retail
and commercial entities close their doors because of insufficient
capital to make repairs or recapture business lost to undamaged
competitors, employees lose jobs and income, which makes it
more difficult for them to rebound from the disaster. What would
you do if you lost your job because of the weather?
Employers who are able to continue business should consider
altering or modifying work schedules and hours of operation so
employees have time to tend to their own property losses and the
needs of family and friends.
There are many ways to overcome the bruising features of a disaster.
It is important to recognize the risk you live with. It is even
more important to identify the measures you can take beforehand
to reduce the negative impact a disaster can impose on you, your
family, and your community. 
Gary R. Kerney is assistant vice president of ISO's Property
Claim Services®.
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