Upper-level high pressure built overhead while surface high pressure moved off the coast. A southerly flow combined with sunshine and subsidence for hot and humid conditions.

Heat in CULPEPER, VIRGINIA
From 08-JUL-12 10:00:00 to 08-JUL-12 14:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be between 105 and 109 degrees based on observations nearby.

Heat in LOUDOUN, VIRGINIA
From 08-JUL-12 12:00:00 to 08-JUL-12 15:00:00 (EST-5)
Reported by: ASOS

Heat indices were measured to be around 105 degrees at the Dulles International Airport.

Heat in PRINCE WILLIAM, VIRGINIA
From 08-JUL-12 12:00:00 to 08-JUL-12 15:00:00 (EST-5)
Reported by: AWOS

Heat indices were reported to be up to 112 degrees at Quantico.

Heat in STAFFORD, VIRGINIA
From 08-JUL-12 12:00:00 to 08-JUL-12 15:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be around 110 degrees based on observations nearby.

Heat in SPOTSYLVANIA, VIRGINIA
From 08-JUL-12 12:00:00 to 08-JUL-12 15:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be around 110 degrees based on observations nearby.

Heat in KING GEORGE, VIRGINIA
From 08-JUL-12 12:00:00 to 08-JUL-12 15:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be around 110 degrees based on observations nearby.

Heat in SOUTHERN FAUQUIER, VIRGINIA
From 08-JUL-12 12:00:00 to 08-JUL-12 15:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be around 110 degrees based on observations nearby.

Heat in ARLINGTON, VIRGINIA
From 08-JUL-12 11:00:00 to 08-JUL-12 16:00:00 (EST-5)
Reported by: ASOS

Heat indices ranged between 105 and 110 degrees at Reagan National Airport.

Heat in ALBEMARLE, VIRGINIA
From 08-JUL-12 10:00:00 to 08-JUL-12 17:00:00 (EST-5)
Reported by: ASOS

Heat indices ranged between 105 and 111 degrees at the Charlottesville Airport.

Heat in FAIRFAX, VIRGINIA
From 08-JUL-12 11:00:00 to 08-JUL-12 15:00:00 (EST-5)
Reported by: AWOS

Heat indices ranged between 105 and 108 degrees at Fort Belvoir.

Heat in PRINCE WILLIAM, VIRGINIA
From 08-JUL-12 10:00:00 to 08-JUL-12 12:00:00 (EST-5)
Reported by: AWOS

Heat indices ranged between 105 and 109 degrees at Quantico.

Heat in GREENE, VIRGINIA
From 08-JUL-12 11:00:00 to 08-JUL-12 17:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be between 105 and 109 degrees based on observations nearby.

Heat in ORANGE, VIRGINIA
From 08-JUL-12 11:00:00 to 08-JUL-12 17:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be between 105 and 109 degrees based on observations nearby.

Heat in NELSON, VIRGINIA
From 08-JUL-12 12:00:00 to 08-JUL-12 17:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be between 105 and 109 degrees based on observations nearby.

Heat in MADISON, VIRGINIA
From 08-JUL-12 12:00:00 to 08-JUL-12 17:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be between 105 and 109 degrees based on observations nearby.

Heat in STAFFORD, VIRGINIA
From 08-JUL-12 10:00:00 to 08-JUL-12 12:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be between 105 and 109 degrees based on observations nearby.

Heat in SPOTSYLVANIA, VIRGINIA
From 08-JUL-12 10:00:00 to 08-JUL-12 12:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be between 105 and 109 degrees based on observations nearby.

Heat in KING GEORGE, VIRGINIA
From 08-JUL-12 10:00:00 to 08-JUL-12 12:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be between 105 and 109 degrees based on observations nearby.

Heat in SOUTHERN FAUQUIER, VIRGINIA
From 08-JUL-12 10:00:00 to 08-JUL-12 12:00:00 (EST-5)
Reported by: AWOS

Heat indices were estimated to be between 105 and 109 degrees based on observations nearby.