Exodus 9:24

So there was hail, and lightning (fireballs) flashing intermittently in the midst of the extremely heavy hail, such as had not been in all the land of Egypt since it became a nation.

Exodus 9:23

Moses stretched out his staff toward the sky, and the Lord sent thunder and hail, and lightning (fireballs) ran down to the earth and along the ground. And the Lord rained hail on the land of Egypt.

Exodus 10:6

your houses and those of all your servants and of all the Egyptians shall be filled with locusts, as neither your fathers nor your grandfathers have seen, from their birth until this day.’” Then Moses turned and left Pharaoh.

Matthew 24:21

For at that time there will be a great tribulation (pressure, distress, oppression), such as has not occurred since the beginning of the world until now, nor ever will [again].

Treasury of Scripture Knowledge

Summary

So there was hail, and fire mingled with the hail, very grievous, such as there was none like it in all the land of Egypt since it became a nation.

General references

Bible References

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Exodus 9:23
Moses stretched out his staff toward the sky, and the Lord sent thunder and hail, and lightning (fireballs) ran down to the earth and along the ground. And the Lord rained hail on the land of Egypt.
Exodus 10:6
your houses and those of all your servants and of all the Egyptians shall be filled with locusts, as neither your fathers nor your grandfathers have seen, from their birth until this day.’” Then Moses turned and left Pharaoh.
Matthew 24:21
For at that time there will be a great tribulation (pressure, distress, oppression), such as has not occurred since the beginning of the world until now, nor ever will [again].

General references

Job 38:23

Which I have reserved for the time of trouble,
For the day of battle and war?