Flood advisory issued as afternoon rain drenches Miami-Dade

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While Thursday's highest chance of flash flooding was in the San Gabriels and Antelope Valley, a flash flood watch was in effect until late Wednesday in the San Fernando, Santa Clarita and San Gabriel valleys. The majority of the activity is expected in the mountains, inland valleys and desert areas.

A flash flood warning was also issued until 9:45 p.m.in central Merrimack County.

AZC015-030500- /O.CON.KVEF.FF.W.0065.000000T0000Z-170803T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mohave AZ- 825 PM MST WED AUG 2 2017.THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM MST FOR SOUTHWESTERN MOHAVE COUNTY.At 821 PM MST, trained weather spotters and a rain gauge in Oatman reported over two inches of rain and rapidly running washes.

According to 10News Meteorologist Megan Parry, the conditions will be muggy and tropical-like through Thursday, but humidity will begin to drop Friday and becoming more comfortable by the weekend as the sea-breeze returns.

Rapid flooding of urban areas and small streams is possible, according to the NWS.

"This is the typical time for it, but it's typically a little farther east from us", said Jayme Laber, hydrologist for the National Weather Service, who works in the Oxnard office for the NWS.

An advisory typically means that flooding already is occurring, or is imminent.

"Due to abundant moisture throughout the atmosphere, there will be the potential for intense downpours with any thunderstorms".

The weather service's temperature forecast page reflected an expectation of thunderstorms throughout L.A. County today, along with highs of 81 degrees in Avalon; 82 at LAX; 88 on Mount Wilson; 89 in Long Beach; 91 in Downtown L.A.; 93 in Burbank; 94 in San Gabriel; 95 in Pasadena; 97 in Saugus; and 99 in Woodland Hills, Palmdale and Lancaster.