Public Information Statement

Issued: August 6, 2007

...July 2007 Weather & Climate for Central Alabama...

A semi-permanent upper level pattern featured a ridge over the Southwest United States and a trough generally along and east of the Mississippi River. This allowed a few weak surface fronts to penetrate into the Deep South and stall over the Southeast. These features combined to pool moisture over the region. The end result produced scattered shower and thunderstorm activity across Central Alabama many afternoons. Although most locations still experienced rainfall deficits for July, these deficits were much less than the previous few months in most locations, but were far from what was necessary to relieve the drought conditions. Rainfall totals averaged from 2 to 5 inches, with some localized areas receiving 6 to 9 inches. Additionally, average temperatures for July were at or below normal due to the increased moisture, cloud cover, the trough and convective activity during the afternoon hours.

A cold front actually pushed all the way to the Gulf Coast on July 22nd with surface high pressure ridging from the Great Lakes into the Southeast. This produced some of the coldest temperatures of the month. On the mornings of July 22nd and 23rd, most locations experienced temperatures in the mid 50s and lower 60s around sunrise. These temperatures were on the order of 10 degrees below normal.

Even though many locations actually received beneficial rainfall in July, the drought conditions continued. The rain that fell across Central Alabama only temporarily mitigated the dry conditions. Drought conditions were in the D3-Extreme Drought to D4-Exceptional Drought for much of the month. While the rainfall temporarily greened up some lawns and gave life to some gardens, stream-flows and lake levels saw no substantial gain. Central Alabama agricultural impacts remained substantial with a large percentage of corn, cotton, soybeans, peanuts, livestock and pasture in poor to very poor condition.

One thing that did improve in July was the wildfire hazard. The Alabama Forestry Commission dropped the Drought Emergency and Fire Alert for all of Central Alabama and replaced it with a Fire Alert for counties roughly north of an Alexander City to Tuscaloosa line.

Severe weather occurrences were fairly typical of mid summer. Strong thunderstorms and wet microbursts knocked a few trees and power lines down on July 1st, 2nd, 7th, 9th, 10th, 14th, 20th, 23rd, 25th and 29th. No tropical activity developed in the Gulf of Mexico and no tornadoes were reported areawide.

Unofficial Precipitation Amounts & Deficits for the Period January 1st through July 31st 2007;

Location
Precipitation
Deficits
Birmingham
15.34
-18.79
Montgomery
20.02
-14.82
Tuscaloosa
13.78
-22.94
Anniston
12.38
-21.70

 

Unofficial temperature and precipitation data for selected sites;

 

 

Birmingham
July 2007
Highest Temperature 97 on 1st
Lowest Temperature 63 on 22nd
Average High Temperature 88.9
Average Low Temperature 71.5
Average Daily Temperature 80.2
Departure From Normal 0.0
Precipitation 3.43
Normal Precipitation 5.09
Departure From Normal -1.66
Highest Wind Gust 46 on 25th
Montgomery
July 2007
Highest Temperature 100 on 1st
Lowest Temperature 68 on 22nd & 25th
Average High Temperature 91.7
Average Low Temperature 71.8
Average Daily Temperature 81.8
Departure From Normal 0.0
Precipitation 5.19
Normal Precipitation 5.31
Departure From Normal -0.12
Highest Wind Gust 38 on 26th

 

Tuscaloosa
July 2007
Highest Temperature 99 on 11th
Lowest Temperature 63 on 22nd
Average High Temperature 89.6
Average Low Temperature 70.2
Average Daily Temperature 79.9
Departure From Normal -2.2
Precipitation 4.14
Normal Precipitation 5.71
Departure From Normal -1.57
Highest Wind Gust 47 on 20th
Anniston
July 2007
Highest Temperature 97 on 1st
Lowest Temperature 61 on 22nd
Average High Temperature 88.9
Average Low Temperature 69.0
Average Daily Temperature 79.0
Departure From Normal -1.1
Precipitation 2.59
Normal Precipitation 4.49
Departure From Normal -1.90
Highest Wind Gust 38 on 1st

 

Calera
July 2007
Highest Temperature 94 on 30th & 31st
Lowest Temperature 61 on 22nd
Average High Temperature 88.7
Average Low Temperature 69.8
Average Daily Temperature 79.3
Precipitation 2.97
Highest Wind Gust 28 mph on 10th & 14th
Troy
July 2007
Highest Temperature 98 on 1st
Lowest Temperature 66 on 22nd
Average High Temperature 91.2
Average Low Temperature 70.9
Average Daily Temperature 81.0
Precipitation 6.26
Highest Wind Gust 28 mph on 20th

 

Unofficial February temperature and precipitation data for selected sites;

 

July 2007
Location Highest Temp/Date Lowest Temp/Date Precipitation
Alexander City 98 on 2nd 64 on 5th/22nd 5.29
Centreville 98 on 2nd 59 on 22nd & 23rd 2.95
Clanton 95 on 1st & 2nd 62 on 22nd 8.24
Demopolis 98 on 1st & 2nd 65 on 22nd 6.78
Fayette 98 on 1st 60 on 23rd 8.06
Gadsden 94 on 1st & 5th 62 on 22nd-24th 4.83
Hamilton 97 on 1st 57 on 22nd & 23rd 6.15
Heflin 95 on 2nd 64 on 23rd 5.47
Helena 99 on 1st 62 on 22nd 2.89
Lafayette 97 on 1st 60 on 5th 3.49
Marion Junction 99 on 2nd 64 on 22nd 4.77
Pinson 99 on 1st 59 on 22nd 3.44
Sylacauga 95 on 28th & 30th 58 on 21st 1.70
Talladega 97 on 1st 60 on 22nd 2.53
Thorsby 94 on 2nd 66 on 22nd 4.85
Union Springs 94 on 2nd & 21st 63 on 5th 6.08
Wetumpka 100 on the 2nd 55 on 3rd 3.84

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