What, When and Where:
A band of rain that moved through Virginia and eastern Maryland this morning was poised at noon to cause a rainy afternoon and a wet and splashy commute for Philadelphia, New York City and nearby places. After school sports will be affected in a number of localities.
This is more than a passing shower; some places will have at least two hours of rain. The rain will depart from Philadelphia after dark, and New York City by midnight. Some of the rain will affect eastern New England, including Boston, overnight. All places will see an increase in sunshine tomorrow.
Reasons for this prediction:
This midday radar display from the Dover, Del., radar shows where the rain was just before noon.
This computer model for the six hours ending at 8 p.m. EDT shows an area with substantial rain:
Short-range computer models usually have highest accuracy. The rain area behaved this morning as predicted by this model.
The radar does not show just one solid area of rain, so the rain can start and stop at your location. No lightning was observed in this rain area before noon, but that could change during the afternoon. In areas with little wind after the rain stops, fog could form.
Due to a cable line issue, the National Oceanic and Atmospheric Administration's weather radios are currently out of service throughout Oklahoma.
Lifeguards along the East and Gulf coasts are preparing to deal with one of the greatest beach dangers: rip currents.
A dangerous and life-threatening flooding situation will continue into Memorial Day, across portions of Texas, Oklahoma, Kansas, Arkansas and Missouri.
Showers and thunderstorms threaten to interfere with Memorial Day festivities across more than half of the United States.
Many areas in the Eastern states will have consistent summerlike heat and a buildup of humidity for the last week of May.
Brownsville, TX (1998)
Just 0.04" of rain since April.
Abilene, TX (2000)
109 degrees, hottest ever in May.
Knoxville, TN (1807)
Hail 10" in circumference hail; a tornado went over the river, sucking fish out of the water.