Climate Data
Yearly Reports
Interested in what kind of weather occurred in a recent year? Check out the most memorable events below.
 
Heavy Rain From Mid-November to Mid-December, 2011
 
The pattern at 1200 am CST on 11/22/2011 featured a stalled boundary (front) across northern Arkansas. Several fronts pushed into Arkansas from the northwest before stalling in the mid-November to mid-December time frame. Moisture pooled around the fronts, and heavy to excessive rain developed.
In the picture: The pattern at 1200 am CST on 11/22/2011 featured a stalled boundary (front) across northern Arkansas. Along the boundary, warm/moist air was forced aloft by dense cool air (inset). Moisture condensed into clouds/rain as it cooled overhead along/north of the boundary.

 

More than a foot of rain was measured from Mena (Polk County) to Mount Ida (Montgomery County), Russellville (Pope County), Little Rock (Pulaski County), Jonesboro (Craighead County) and West Memphis (Crittenden County).  Thirty day rainfall through 600 am CST on 12/11/2011.
In the picture: Thirty day rainfall through 600 am CST on 12/11/2011.

 

Thirty day departure from normal (+/-) rainfall through 600 am CST on 12/11/2011.

Much of the rain dumped on November 14th through the 16th, the 20th through the 22nd and on December 4th through the 7th (three events).

In the picture: Thirty day departure from normal (+/-) rainfall through 600 am CST on 12/11/2011.

 

A deluge early on November 21st resulted in flooding across the central third of the state. High water covered Interstate 30 in southwest sections of Little Rock (Pulaski County) near Otter Creek (mile marker 126). Traffic slowed to a crawl. Eventually, the highway was shut down for a couple of hours. The satellite showed enhanced clouds and heavy rain in the central third of Arkansas at 145 am CST on 11/21/2011.
In the picture: The satellite showed enhanced clouds and heavy rain in the central third of Arkansas at 145 am CST on 11/21/2011.

 

Twenty Four Hour Rainfall (through 600 am CST on 11/21/2011)
Site Amount (Inches)
Hot Springs Village (Garland Co) 6.62
Mount Ida (Montgomery Co) 6.34
Crystal Valley (Pulaski Co) 5.90
Norman (Montgomery Co) 5.73
Little Rock (Pulaski Co) 4.77
Oden (Montgomery Co) 4.40
Hot Spring Nat'l Park (Garland Co) 4.34
Pine Ridge (Montgomery Co) 4.31
Mena (Polk County) 4.14

 

At Mount Ida (Montgomery County), 4.98 inches of rain fell in four hours (through 200 am CST on the 21st). This was roughly an inch shy of what the town normally receives in the entire month of November (5.94 inches).

 

Hourly Rainfall at Mount Ida (Montgomery County)
Time Amount (in)
1100 pm CST (11/20) 0.75
1200 am CST (11/21) 1.60
100 am CST (11/21) 1.09
200 am CST (11/21) 1.54

 

Later in the day and into the 22nd, people were evacuated from their homes at Acorn (Polk County). The rapidly rising Fourche LaFave River forced the closure of Highway 71 just north of Y City (Scott County). Highways 80, 27, 307 and 309 were flooded north and west of Danville (Yell County). Major intersections in Russellville (Pope County) were shut down due to one to two feet of standing water.

 

Link of Interest
Radar Loop (601 pm to 1100 pm CST on 11/21/2011)

 

Twenty Four Hour Rainfall (through 600 am CST on 11/22/2011)
Site Amount (Inches)
Danville (Yell Co) 6.84
Sheridan (Grant Co) 5.90
Dardanelle (Yell Co) 5.21
Russellville (Pope Co) 5.17
Waldron (Scott Co) 5.10
White Hall (Jefferson Co) 4.85
Booneville (Logan Co) 4.79
Arkadelphia (Clark Co) 4.75
Gravelly (Yell Co) 4.52
Morrilton (Conway Co) 4.28
Hattieville (Conway Co) 4.16
Parks (Scott Co) 4.15

 

During the early morning hours of the 23rd, Little Rock (Pulaski County) was guaranteed a wetter than normal year (with more than a month to go) as the 2011 total surpassed 49.75 inches (which is normal). By the 28th, it was a record wet November at several sites.

 

Link of Interest
A Record Wet November

 

The hydrograph at Danville (Yell County) indicated a stage of 25.15 feet at 1145 am CST on 11/22/2011.
In the picture: The hydrograph at Danville (Yell County) indicated a stage of 25.15 feet at 1145 am CST on 11/22/2011. This was well above the 20 foot flood stage, with moderate to major flooding expected.
 

Excess water flowed into area rivers. The Saline River at Benton (Saline County) climbed more than five feet above flood stage (18 feet) to crest at 23.74 feet late on the 21st (moderate flooding). On the 22nd, moderate to major flooding was noted along portions of the Fourche LaFave and Petit Jean Rivers.

 

Heavy rain caused minor to moderate flooding along area rivers in early December, 2011. After more rain in early December, there was high water along several rivers in southern and eastern Arkansas.
In the picture: Heavy rain caused minor to moderate flooding along area rivers in early December, 2011.

 

The Cache River reached the sixth highest crest on record at Patterson (Woodruff County) on the 6th. Water from the Cache River covered Highway 37 south of Grubbs (Jackson County) on 12/09/2011.
In the picture: Water from the Cache River covered Highway 37 south of Grubbs (Jackson County) on 12/09/2011. Click to enlarge.

 

Storm Reports
Preliminary reports of flooding/flash flooding in the Little Rock County Warning Area on November 21-22, 2011 (in red).
Submit a storm report.
Flooding/flash flooding was reported across portions of northern, central and west central Arkansas on November 21-22, 2011. For a look at some reports, click here.
 
Link of Interest
Plot Reports
In the picture: Preliminary reports of flooding/flash flooding in the Little Rock County Warning Area on November 21-22, 2011 (in red).

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