Wednesday, December 8, 2021

November 2021 Climate Report for Memphis, TN

November Climate Recap

Coming out of a warmer than average October, November cooled off quite a bit and ended below average by more than a degree. There was one significant, if brief, warm spell mid-month as highs reached the mid 70s, but overall there were fairly large swings during the month. Nineteen days ended at or below average though, resulting in a fairly comfortable month of fall. A handful of rain days were spread out across the course of the month with several dry days between each. For the month, only six days recorded measurable precipitation, ending 2.58" below, or 45% of, average. Thunder was noted on just two days with no warnings or severe weather reports for the month. 

Memphis International Airport, Memphis, TN

Average temperature: 51.5 degrees (1.2 degrees below average) 
Average high temperature: 62.4 degrees (0.2 degrees below average) 
Average low temperature: 40.6 degrees (2.3 degrees below average) 
Warmest temperature: 77 degrees (17th) 
Coolest temperature: 29 degrees (26th) 
Heating Degrees Days: 402 (23 above average)
Cooling Degree Days: 6 (6 below average) 
Records set or tied: None
Comments: One day dropped below freezing (26th) versus an average of 4.3 days on November.

Monthly total: 2.11" (2.58" below average) 
Days with measurable precipitation: 6 (3.0 days below average) 
Wettest 24-hour period: 0.61" (11th) 
Snowfall: 0.0"
Records set or tied: None
Comments: None

Peak wind: Southwest/35 mph (17th) 
Average wind: 7.0 mph 
Average relative humidity: 63% 
Average sky cover: 38% 

 Click here for a daily statistical recap for Memphis International Airport.

Cirrus Weather Solutions /, Bartlett, TN

Average temperature: 48.6 degrees 
Average high temperature: 61.7 degrees 
Average low temperature: 36.6 degrees 
Warmest temperature: 77.2 degrees (17th) 
Coolest temperature: 26.6 degrees (26th) 
Comments: None 

Monthly total: 2.50" (automated rain gauge), 2.55"(manual CoCoRaHS rain gauge) 
Days with measurable precipitation: 8
Wettest date: 0.76" (21st) (via automated gauge) 
Snowfall: 0.0"
Comments: None

Peak wind: Southwest/24 mph (24th)
Average relative humidity: 73% 
Average barometric pressure: 30.19 in. Hg
Comments: A new Davis Vantage Pro2 weather station replaced the existing station on November 19 at 12:30pm.

Click here for a daily statistical recap for Bartlett, TN.

MWN Forecast Accuracy

MWN average temperature error: 1.69 degrees 
MWN forecast temperatures within 2 degrees of actual: 77% 
MWN average dewpoint error: 1.92 degrees 
MWN forecast dewpoints within 2 degrees of actual: 74% 

MWN's forecasts extend out five periods (2.5 days, or roughly 60 hours). Historical accuracy statistics can be found here.

Climate Outlook - December 2021

The December climate outlook for the United States from the Climate Prediction Center is shown below. Above average temperatures are forecast for a vast majority of the U.S with highest odds across the southern states. Odds strongly favor above average temperatures for Memphis over the course of the month (65%) versus only a 3% chance of below average temperatures. The average temperature for December is 44.8 degrees, eight degrees below the November average.

Precipitation is expected to be above normal for the Pacific Northwest and Northern Rocky Mountains, while below average precipitation is forecast for Southern Plains into the southeast U.S. For Memphis, odds favor near average precipitation, which historically averages 5.49 inches in December.

Follow MWN on Facebook and Twitter for routine updates and the latest info! 
Complete MWN Forecast: on the mobile web or via the MWN mobile app 
Download our iPhone or Android apps, featuring StormWatch+ severe weather alerts!
MWN is a NOAA Weather Ready Nation Ambassador Meteorologist Erik Proseus is an NWA Digital Seal Holder

No comments: