Broad upper level high pressure ridging from the Gulf of Mexico into the northern Mexico, punctuated by moderate to vigorous upper level troughs moving from the Pacific Coast through the central and southern Plains, then diving into the southeast U.S. - each bringing dry cold fronts - helped intensify the drought a little bit.  By the second week of the month, Severe (D2) Drought in southeast Hidalgo/southwest Cameron was replaced by Extreme (D3) drought; Exceptional (D4) Drought continued in the heart of the Citrus belt of Hidalgo County.
Conditions worsened further at month's end, when the first blue norther cold front swept through the area.  Northwest winds gusting up to 40 mph or higher ushered in extremely dry air, as afternoon humidity fell below 10 percent on the 27th, and continued with lighter winds on the 28th and 29th.  A dry freeze on the 28th cured whatever fuels hadn't been previously.

Drought in COASTAL CAMERON, TEXAS
From 01-NOV-11 00:00:00 to 30-NOV-11 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Other Federal Agency

Exceptional (D4) Drought continued across coastal Cameron County through November.  A bout of light rain, adding up to nearly half an inch on the 10th, was not enough to alleviate conditions, as dry air surged in behind the rain, which was non-tropical in origin.

Drought in WILLACY, TEXAS
From 01-NOV-11 00:00:00 to 30-NOV-11 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Other Federal Agency

Extreme (D3) Drought covered the western half of inland Willacy County, with Exceptional (D4) Drought continuing over the eastern half of inland Willacy County (not including Port Mansfield), through November.
A blue norther cold front swept the area on the 27th, leaving gusty winds and extremely dry conditions.  The extreme dry continued into the 29th.  Impact on harvests of citrus and vegetables was unknown as of this writing. Impact on livestock remained extreme, with no grazing available and herds being liquidated.

Drought in COASTAL WILLACY, TEXAS
From 01-NOV-11 00:00:00 to 30-NOV-11 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Other Federal Agency

Exceptional (D4) Drought covered coastal Willacy County through November.

Drought in HIDALGO, TEXAS
From 01-NOV-11 00:00:00 to 30-NOV-11 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Other Federal Agency

Exceptional (D4) Drought continued or intensified for nearly all of Hidalgo County for the majority of November.  Initially Severe (D2) Conditions over extreme southeast portions, including Mercedes, deteriorated to Extreme (D3) on the 8th. Extreme (D3) conditions from Weslaco to Hidalgo (city) to begin the month deteriorated to Exceptional (D4) on the 8th.  Grasses and harvests continued to wither dryland and citrus; additional damage/loss data was not available as of this writing.  Impact on livestock remained extreme, with no grazing available and herds being liquidated.
A blue norther cold front swept through on Thanksgiving weekend, exacerbating the drought with extremely dry conditions through the 29th, gusty winds on the 27th, and a dry freeze in many areas on the morning of the 28th.  By the 29th, the entire county was in Exceptional Drought.

Drought in STARR, TEXAS
From 01-NOV-11 00:00:00 to 30-NOV-11 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Other Federal Agency

Exceptional (D4) Drought continued over the eastern half of Starr County, with Extreme (D3) Drought continuing over the western half of the county through November.  The withering drought over the eastern half maintained a period, extending fourteen months, where less than five inches of rain fell in some spots!
Harvest production (vegetables and some citrus) continued through the month; damage/loss estimates were unknown as of this writing.  Impact on livestock remained extreme, with no grazing available and herds being liquidated.

Drought in ZAPATA, TEXAS
From 01-NOV-11 00:00:00 to 30-NOV-11 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Other Federal Agency

Extreme (D3) Drought continued over Zapata county through November.
Impact on livestock remained extreme, with no grazing available and herds being liquidated. Damage/loss information was not available as of this writing.

Drought in JIM HOGG, TEXAS
From 01-NOV-11 00:00:00 to 30-NOV-11 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Other Federal Agency

Extreme (D3) Drought continued over all but the southeast corner of Jim Hogg County through November, where Exceptional (D4) Drought prevailed.
Impact on livestock remained extreme, with no grazing available and herds being liquidated. Damage/loss information was not available as of this writing.

Drought in KENEDY, TEXAS
From 01-NOV-11 00:00:00 to 30-NOV-11 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Other Federal Agency

Exceptional (D4) Drought continued over all but the south central third of Kenedy County through November, where Extreme (D3) Drought prevailed due to residual soil moisture left behind from locally heavy rainfall on October 9th.
A blue norther crashing through the ranch on the 26th/27th brought three days of extremely dry condtions, with afternoon humidity falling to or below 10 percent through the 29th.  Gusty winds to 40 mph further exacerbated conditions on the 27th, as did a dry freeze early on the 28th.
Impact on livestock remained extreme, with no grazing available and herds being liquidated. Damage/loss information was unavailable as of this writing.

Drought in BROOKS, TEXAS
From 01-NOV-11 00:00:00 to 30-NOV-11 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Other Federal Agency

Exceptional (D4) Drought continued to cover all but the northwestern corner of Brooks County through November. Impact on livestock remained extreme, with no grazing available and herds being liquidated. Loss/damage estimated were not available as of this writing.

Drought in CAMERON, TEXAS
From 01-NOV-11 00:00:00 to 30-NOV-11 23:59:00 (CST-6)
Property damage: 0.00K
Reported by: Other Federal Agency

Extreme (D3) Drought covered the western two thirds of Cameron County through most of November, with the exception of a small pocket of Severe (D2) Drought from Santa Rosa to La Feria which held on for the first week of the month (November 1st to 7th).  Exceptional (D4) Drought continued east of Federal Highway 77.   A bout of light rain, adding up to 0.25 to 0.50 inches along Highway 77 on the 10th, was not enough to alleviate conditions, as dry air surged in behind the rain, which was non-tropical in origin.
Windy and extremely dry conditions to close out Thanksgiving weekend and continue through the 29th moved the needle to Exceptional (D4) for the entire County by month's end.  Impact on the citrus, sugar, onion, and other harvests were still to be determined. Impact on livestock remained extreme, with no grazing available and herds being liquidated.