Pool Weather Go/No-Go Card

📝 Start Here — How to Use This Card

• Fill it in before the season, not during a storm. The National Weather Service asks organised programmes to write the plan down and then follow it without exception, precisely so nobody is making a judgement call with thunder overhead. The same logic works for one family and one backyard pool.
• Name one person as the weather watcher for the day. Not whoever notices first. One named adult, who is not the person teaching, refereeing or supervising the swimming.
• Agree the rule out loud with the children before they get in. “When I call it, everyone is out — no finishing the game.” A rule announced in advance is obeyed in about a tenth of the time of one announced in a panic.
• Two hazards, two different triggers. Storms are a hard stop with a fixed clock. Heat is a gradual thing you manage with shade, water and breaks — until it isn’t, and then it is an emergency. Keep the two sections separate in your head.
• Check the forecast before you pack the car. The cheapest weather decision is the one made in the kitchen, when cancelling costs nothing but disappointment.

📋 1. Today’s Plan — Fill This In

⛈️ 2. Storms — The Stop Rule

• You hear thunder. Clear the water. Thunder normally carries about ten miles, and traffic, wind and rain shorten that — so if you can hear it at all, the storm is close enough.
• You see lightning. Clear the water, even with blue sky overhead. In clear air, and especially at night, lightning is visible from storms more than ten miles away.
• The sky simply looks threatening. That is a stop criterion in its own right. Storms can build directly overhead, and some produce their first lightning as they move in.
• Everyone out, not just the small children. Wading, sitting on the steps and standing in the shallow end are all in the water.
• Go straight there. Do not stop to fold towels, coil hoses or pull the cover across. Those are twenty seconds you have not budgeted for.

🏠 3. Where to Go — and Where Not To

• Once inside, stay away from anything that conducts. Corded phones, wiring, plumbing and anything plugged into them. That includes the indoor shower.
• Point at the shelter when you announce the rule. Children who know where they are going move faster than children who are being herded.
• If you are at a lake, river or beach, the swim ends earlier. Shelter is often far away and swimmers are often far from shore, so the walk you have to budget for is much longer.

⏱️ 4. The Restart Clock

• Wait at least 30 minutes after the last thunder or the last flash. Not thirty minutes after the rain stops, and not thirty minutes after the storm looks like it has moved on.
• The clock restarts every single time. One distant rumble at minute twenty-eight buys a fresh thirty minutes. This is why a “half-hour delay” routinely becomes two hours, and why meets get moved rather than paused.
• Blue sky is not the signal. Charge lingers in clouds after a storm appears to have passed, which is the whole reason the wait is measured from the last thunder rather than from the weather.
• Write down the time of the last thunder. On this card, on a phone, on the back of a hand. Memory under pressure rounds downwards, always in the wrong direction.
• Decide in advance when the day is simply over. Agreeing a cut-off before you start — “if we’re still waiting at four, we go home” — removes the argument at the moment you least want to have it.

🌡️ 5. Heat — Read the Index, Not the Thermometer

• Add up to 15°F if you are standing in direct sunlight. The published heat index values are calculated for shade. A pool deck at noon is not shade, and this correction alone can move an afternoon from Caution into Danger.
• Look up the heat index, not the temperature. Humidity is half of it: at 100°F the index reads 96°F when the air is dry and 124°F when it is humid. The thermometer alone cannot tell you which day you are having.
• Being in the water hides the warning signs. A swimming child is wet, so you cannot see whether they are sweating, and they rarely feel hot enough to complain until they are already in trouble.
• Water every 20 to 30 minutes, on a schedule. Not when they ask — thirst already means mild dehydration has started.
• Watch the child, not the group. The American Academy of Pediatrics notes that children overheat faster than adults, and within a group the youngest, the newest and the one trying hardest to keep up are all carrying more risk than the average.

🚑 6. Heat Exhaustion or Heatstroke

• Confusion is the line. A hot, miserable, complaining child is usually heat exhaustion. A hot child who is confused, agitated or not making sense is a 911 call, whatever the thermometer says.
• If heat exhaustion does not improve in about 30 minutes, get medical help. Same if symptoms worsen or they cannot keep fluids down.
• Cool water, not ice-cold. Cool wet cloths to the skin, or sitting in cool water. Do not give fluids to a child who is vomiting or not fully alert.
• Heat exhaustion looks like drowning behaviour. Clumsy, confused and panicky in the water reads the same either way — which is a reason to get them out and assess on the deck rather than to watch and wonder.

🧊 7. Our Hot-Day Routine — Fill This In

❓ 8. Five Questions for a Swim School, Camp or Pool

• When do you stop activities? You want a criterion, not a philosophy. “First thunder or first flash” is an answer; “when it looks bad” is not.
• Where do people go? A named building. If the answer is the pavilion or the equipment shed, that is the wrong answer and it is worth saying so.
• When do you resume? Thirty minutes after the last thunder, with the clock restarting. If they quote you fifteen minutes, they have invented their own rule.
• Who monitors the weather, and is it their only job? The National Weather Service is specific about this: the monitor should not be the coach, umpire or referee, because those people are busy and cannot watch conditions properly. In a swim programme, that means not the instructor in the water.
• What happens if somebody is struck? Who calls 911, who starts CPR, where the AED is. A programme that has thought about the first four questions has usually thought about this one.

🚩 9. Weather Answers That Should Worry You

• “We wait until it’s directly overhead.” The threat reaches six to ten miles out. Overhead is far too late.
• “We get everyone under the pavilion.” Small open structures are specifically listed as unsafe. This is the single most common wrong answer.
• “Fifteen minutes and we’re back in.” The standard is thirty, and it resets. Half of it is not most of it.
• “The lifeguard keeps an eye on the sky.” The lifeguard is watching the water, which is the job you want them doing. The weather needs its own person.
• “They’re in the water, so they can’t overheat.” They can. Being wet hides the sweating you would otherwise notice.
• “We go by the temperature.” The temperature without the humidity, and without the correction for standing in the sun, understates the day by a wide margin.

⭐ 10. Five Rules to Remember

• Thunder means out. No counting, no negotiating, no finishing the lap.
• Out of the water is only half of it. There is no safe place outdoors. Get inside a real building or a hard-topped car.
• Thirty minutes from the last thunder, and it resets. Write the time down.
• Confusion in a hot child is a 911 call. Everything else about heat is shade, water and breaks. That one is not.
• Weather never removes the need for supervision. A cancelled lesson is a day nobody is watching the water at the same intensity — and no lesson, and no weather rule, makes a child drown-proof. Swim lessons are one layer alongside four-sided pool fencing, constant undistracted supervision within arm’s reach of a young or non-swimming child, properly fitted life jackets in open water, and an adult trained in CPR.