From False Memory by Dean Koontz

[Martie Rhodes has come to collect her friend Susan, who suffers from agoraphobia, to psychiatrist; but as they started, a storm broke out.]

Fat drops of rain – at first in fitful bursts but soon more insistently – began to rattle on the roof that covered the landing. […]

As they reached the bottom of the steps, the rain fell harder than before, rattling through the leaves of the potted plants on the patio, clicking against the bricks.

Susan was reluctant to let go of the corner of the house.

Martie put an arm around her. “Lean on me if you want.”

Susan leaned. “Everything’s so strange out here, not like it used to be.”

“Nothing’s changed. It’s just the storm.”

“It’s a new world,” Susan disagreed. “And not a good one.”

Huddling together, with Martie bending to match Susan’s stoop, they progressed through this new world, now in a rush as Susan was drawn forward by the prospect of the comparatively closed space of the car, but now haltingly as Susan was weighed down and nearly crushed by the infinite emptiness overhead. Whipped by wind and lashed by rain, shielded by their hoods and their billowing coats, they might have been two frightened holy sisters, in full habit, desperately seeking sanctuary in the early moments of Armageddon.

Evidently Martie was affected either by the turbulence of the incoming storm or by her troubled friend, because as they proceeded fitfully along the promenade toward they side street where she had parked her car, she became increasingly aware of a strangeness in the day that was easy to perceive but difficult to define. On the concrete promenade, puddles like black mirrors swarmed with images so shattered by falling rain that their true appearance could not be discerned, yet the disquieted Martie. Trashing palm trees clawed the air with fronds that had darkened from green to green-black, producing a thrum-hiss-rattle that resonated with a primitive and reckless passion deep inside her. On their right, the sand was smooth and pale, like the skin of some vast sleeping beast, and on their left, each house appeared to be filed with a storm of its own, as colourless images of rolling clouds and wind-tossed trees churned across the large ocean-view windows.

Martie was unsettled by all these odd impressions of unnatural menace in the surrounding landscape, but she was more disturbed by a new strangeness within herself, which the storm seemed to conjure. Her heart quickened with an irrational desire to surrender to the sorcerous energy of this wild weather. Suddenly she was afraid of some dark potential she couldn’t define: afraid of losing control of herself, blacking out, and later coming to her senses, thereupon discovering she had done something terrible… something unspeakable. […]

Martie opened the curbside door, helped Susan into the red Saturn, and then went around and got in the driver’s seat.

Rain drummed on the roof, a cold and hollow sound that brought hoofbeats to mind, as though the Four Horsemen of the Apocalypse – Pestilence, War, Famine, and Death – were approaching at full gallop along the nearby beach.