North Wales, PA

The combination of low relative humidity values between 20 and 30percent, southerly winds around 10-15 mph, gusting between 15 to20 mph, and drying fuels will increase the potential for thespread of fires this afternoon.Residents are urged to exercise caution handling any potentialignition source...including machinery...cigarettes...and matches.Be sure to properly discard all smoking materials. Any drygrasses and tree litter that ignite will have the potential tospread quickly.

* WHAT...Temperatures as low as 33 will result in frostformation.* WHERE...Portions of central, northern and southern Delaware,northeast Maryland, southern New Jersey and southeastPennsylvania.* WHEN...Until 9 AM EDT this morning.* IMPACTS...Frost could kill sensitive outdoor vegetation ifleft uncovered.