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Lessons Learned

Thunder? I Wonder…
More Thoughts on Seeking Shelter From the Storm

By Tamia Nelson
tamia@paddling.net

August 9, 2011 Bolt From the Blue

All winter long we dream of summer, and in our dreams the weather always smiles. The sun shines, the temperatures are warm (but never hot!), and gentle breezes waft us on our way. Unfortunately, the reality is somewhat different. Yes, there are warm, sunny days. And the wind occasionally helps us, rather than hinders. But all too often the lazy, hazy, drifting days give way to something altogether different: a time of storm and fury, when the elements of water, air, and fire join forces to send the unlucky paddler scurrying for shelter. I'm thinking of summer thunderstorms, of course. No canoeist or kayaker relishes a ringside seat when Thor tosses his hammer, as one In the Same Boat reader discovered when he and his wife were …

Caught Out on a Maine Lake

But why not let John Neal tell the story?

In early July, my wife and I were privileged to be canoe camping on Indian Pond, just southwest of giant Moosehead Lake in north‑central Maine, the headwaters of the Kennebec River. The wild and scenic Indian Pond is formed by the confluence of two outlets from Moosehead Lake, named the East and West Outlets. Indian Pond is impounded by the Harris Dam nine miles below. The weather forecast was for possible thunderstorms, so we decided to stay fairly close to camp. We were camped on the East Outlet of Moosehead Lake, in Indian Pond's Northeast Bay. We were determined to paddle about three miles to the west, to find and view West Outlet. We had been into Northwest Bay the day before and explored the marsh there, but didn't find the exact outlet.

We made our way under bright, sunny skies to the top of Northwest Bay and were confident that we were in sight of West Outlet when we began hearing thunder. At that point — and this is where I would appreciate your views — we decided that we had paddled all this way, it was still sunny skies above us, and this was the last chance we would have to see the actual outlet. So we continued another 500 yards or so until we were stopped by whitewater running down toward us from Moosehead Lake. We had found West Outlet!

As we turned the canoe around to head back to our East Outlet campsite, we noticed black clouds building at the southern end of Indian Pond. And the thunder — which to that point had been occasional and sporadic — was now almost continuous. We began to paddle as fast as we could to cover the three miles back to our campsite. By the time we entered Northeast Bay, lightning was flashing within sight and a gentle rain had begun. We hugged the islands and the shore whenever we could, on the theory that if we were near trees, they would be hit by lighting before we would. We made it back to camp with just time enough to empty the gear, turn the canoe over, and run up under the tarp before the heavens opened. Torrents of water fell, lightning and thunder crashed all around, and we were enormously grateful to be sitting high and dry in camp at that point.

So I am left wondering if we were wrong to continue to paddle once the first thunderclaps were heard. Or is it reasonable to assume (as we did) that, at least some of the time, a storm WON'T be coming in your direction? Should we have immediately turned around at the first sound of thunder? My feeling is that we got lucky this time, but I guess I'm wondering if there's a hard and fast rule to apply here, or were we justified in waiting to head for home only when we were assured that the storm was indeed coming our way?

 

John and his wife had some anxious moments, to be sure, but theirs is a familiar story. Farwell and I had a nearly identical experience some years back on Umbagog Lake in western Maine. We were caught out while venturing several miles from camp, and like John and his wife, we delayed turning back until a storm was nearly upon us. The resulting race for shelter left an indelible imprint in our memories. And if you paddle long enough, you, too, will probably have a similar tale to tell. Which brings us round to the Big Question: If you hear a storm rumbling in the distance when you're paddling, …

What's the Right Thing to Do?

It's no fun to be out on the water when an icy rain is pelting down, the wind is gusting to Force 7, and forked lightning is illuminating the heavens all around you. The show is spectacular, but it's a little too close for comfort. And the dangers are real, as John correctly surmised. In any case, you've already read the script. Now let's set the scene (the following map is reproduced from the USGS Indian Pond North, Maine, 1:24,000‑series topographic quad):

Indian Pond Overview

And we can zoom in to get a closer look at the area bounded by the red rectangle:

Indian Pond Up Close

I've added a black triangle to show the approximate location of the Neals' camp, and I've also labeled the two bays and the West Outlet, none of which is identified in the original. The scale bar and north arrow are my additions, too. Now here are two of John's photos, showing the stump field in Northwest Bay…

Stumped?

And the landing at the couple's camp on East Outlet:

There's No Place Like Home

 

Got the picture? Good! Let's return to John's letter for a minute. In closing, he posed two questions:

I'm wondering if there's a hard and fast rule to apply here, or were we justified in waiting to head for home only when we were assured that the storm was indeed coming our way?

And here are my answers:

Is there any hard and fast rule dictating what to do when you hear thunder?   Well, the US National Weather Service thinks so. And their advice? "When thunder roars, go indoors!" In other words, they urge you to take shelter in a "safe building" or vehicle as soon as you hear thunder, since lighting can travel many miles from the storm clouds that gave birth to it, striking down as a "bolt from the blue," sometimes with deadly effect. This is very good advice, of course. But there's an obvious problem, isn't there? Backcountry boaters are often many miles away from any sort of building or vehicle. (Tents and canoes don't count, I'm afraid.) So the Weather Service's hard and fast rule proves a bit hard for a canoeist or kayaker to apply in practice, as the Service readily acknowledges: "[Y]ou are not safe outside," they admit. That's wonderfully short and to the point, even if it is more than a little disquieting. Which brings us to John's second question:

Once you hear thunder, is it safe to hang about on the water until you know the storm is headed your way?   In a word, no — as the preceding paragraph implies. That said, I confess that this is one rule I've often ignored in the past. But I've underestimated lightning's reach. The Weather Service doesn't equivocate. When you hear thunder you're already within range of the storm's big guns. It's time to get off the water and under cover.

Easy to say, but hard to do. On an open‑water crossing in a small boat there's little recourse but prayer. If you're paddling on inland waters, however, you should begin casting about for a refuge ASAP. Since buildings and vehicles are likely to be in short supply, you'll have to make the most of whatever the country affords. Give tall, solitary trees a wide berth. Avoid clearings, hilltops, and ridgelines, too. You don't want a room with a view, after all. You'll get the best odds when you hunker down among a uniform stand of not‑too‑tall trees. Are there no such trees to be seen? Then look for a sheltering valley. (Not a dry streambed, however! It won't stay dry very long in a storm.) If your camp is near at hand, and if it fits the bill, you're in luck. Go there as quickly as you can. If not — if camp is more than a few minutes off — head for the likeliest looking place within reach. Then, once you've made landfall, turn your canoe over and take shelter under it, squatting on a foam pad if possible. This is easier if you're paddling a big tripping canoe, obviously. Soloists will have to do the best they can. But in either instance, the overturned canoe only provides shelter from the rain. It won't protect you in case lightning strikes nearby, nor will it do much if something falls out of the sky. So be sure to check that you're not within striking distance of any large branches that might part company from their parent tree. Lightning isn't the only threat in thunderstorms. High winds — gale‑force winds in many cases — are common, and trees frequently shed good‑sized limbs when the wind howls.

How you get to shore matters, too. Here's what I mean: On those times when Farwell and I have been caught out and sought impromptu shelter, we've often made our way to our chosen refuge by skirting close to shore, rather than taking a more direct, open‑water route. We did this in order to take advantage of the so‑called "cone of protection" offered by shoreline trees. This notion — that standing trees can act as lighting rods, diverting strikes from anything located no farther from the trunks than the trees are tall — is a familiar one. And a comforting, common‑sense notion it is, too. After all, I feel mighty exposed in my canoe when lightning is striking around me, and I welcome the protecting aegis of the pines. But like so many comforting, common‑sense notions, this turns out to be largely nonsense. Not only can lighting strike objects within the so‑called "cone of protection," but even on those occasions when a tree faithfully performs its lightning‑rod function, lateral flashes and ground currents can do as much damage as the primary strike. The moral of the story? When you're caught out, take the shortest, straight‑line route to shelter. Don't detour in order to hug the shore.

 

Now let's get back to the Neals: Their first mistake — and it's one that Farwell and I have made many times ourselves — was deciding to hang about to see which way the storm was headed. And the second? When it became obvious that the storm was speeding their way, they opted to hightail it back to their camp, a distance of some three miles. As we've already seen, this was the wrong thing to do. Their decision to hug the shore during their retreat probably slowed them down, as well, further increasing the risk they ran. It would have been better for them to get off the water immediately, forgoing the home comforts of camp and making the best of whatever shelter the adjacent shore offered. Still, they survived to tell their tale, didn't they? Few mistakes in the backcountry are fatal. (If they were, I wouldn't be writing this.) But that doesn't mean there aren't …

Lessons to Be Learned From the Neals' Experience

Firstly, and most importantly, paddlers need to …

Cultivate a Weather Ear.  If you hear thunder, the proper response isn't "I wonder if it's coming our way?" It's "Let's get off the water!" Of course, a weather eye is useful, too. And it never hurts to take note of the official forecast. But whatever the forecast, always remember that YOU are the expert on the weather where you are. If anything you hear or see differs from the forecast, it means the forecast was wrong. Trust your senses. The Neals did just that, by the way, and while their course of action may appear less than ideal in hindsight, they were nonetheless alert to the possibility of danger. They listened to the weather forecast, weighed the (perceived) risks, and acted accordingly. Then they altered their plans as circumstances changed. These are all essential backcountry skills.

But as the Neals' story also demonstrates, it's not enough just to know when trouble's brewing. You also have to …

Weigh the Dangers.  This can be tricky. Our understanding of weather phenomena is constantly improving, and expert advice changes accordingly. Moreover, common sense isn't always a reliable guide. (Remember what I just had to say about the "cone of protection"?) And while backcountry travelers can't run indoors to seek shelter from the storm, what they do instead will still affect their odds of survival. Luckily, the absolute magnitude of the danger from electrical storms is relatively small, even for paddlers caught out on open water, far from shelter. (The drive to and from the put‑in almost certainly involves greater risk.) But when you have good choices, why court danger unnecessarily? So learn everything you can. The references listed below will get you started.

Of course, recognizing approaching danger is one thing. Doing something about it is another. And for that, you need to …

Have a Plan.  You hear thunder. You know the risks. But what do you do? Hang about or head for shore? Now you know: Get off the water ASAP.

And then, when the storm has passed and there are only occasional rumbles of distant thunder, how long should you wait before continuing on your way? The Weather Service has this advice:

Be Patient.  Wait until a quiet half hour has passed. It doesn't matter how you spend the time. Brew a pot of tea, play a few hands of cards, read a good book… But wait for the all‑clear from the heavens. Only then should you head back out on the water.

 

So far, so good. The Neals dodged Thor's hammer, and chances are excellent that you will, too, even if you're unlucky enough to be caught out by a storm. But what happens when things go disastrously wrong and someone is struck by lightning? What then? Well, the good news is that most victims of lightning strikes survive. And the bad news? They need help in the minutes that follow; you can't wait for the rescue squad to arrive. If a companion is struck, a heavy responsibility falls on your shoulders. A life is in your hands. You'll have to …

Act Fast!  To begin with, you'll almost certainly have to breathe for the unfortunate victim for 20 minutes or more. And even when he's breathing on his own, he won't be in any condition to travel. A personal locator beacon will be a mighty comforting thing to have in your pack now. But to get your patient safely to this point, you'll need to know much more than you can learn from this article. Which is why it pays to study a good book on wilderness medicine and take a course in CPR. In short, it pays to be prepared. That's always good advice.

 

OK. Is there anything else to say on the subject? Yes. In writing this column I've necessarily dwelt on some of the downsides of backcountry travel. But that's not the big story, is it? Not at all. In fact, it misses the whole point of the exercise, which is simply to …

Enjoy yourself!  For most of us, paddling is recreation, pure and simple. It's supposed to be fun, and it is. The dangers posed by electrical storms are real enough, but the overwhelming majority of us will still die in bed. Birth ushers us into the world. Death takes us out. That's not exactly news. The important thing, as philosopher George Santayana famously observed, is to enjoy the interval. So, what are you waiting for? Go paddling!

Ride the Wave

Every paddler hears the rumble of distant thunder at some point. But what do you do then? Can you hang around to see if the storm is headed your way? Or should you scramble for shore and shelter immediately? Now, thanks to reader John Neal and his wife, you know the answer: Get off the water ASAP. 'Nuff said? I think so, don't you?

 


 

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Copyright © 2011 by Verloren Hoop Productions. All rights reserved.









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