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Prepared by Florida Climate Center
The Florida State University
Tallahassee, FL

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Key Points:

  • Average temperatures in August were near normal in the Panhandle and above normal in Peninsular Florida.
  • Abnormally dry conditions expanded in east-central and southeastern Florida during the month, with moderate drought emerging in Brevard and Indian River Counties.
  • La Niña is expected to continue through the winter, with chances decreasing to 60% during December-February 2022-23.
  • Tropical activity remained quiet and August 2022 became the first time since 1997 with no named storms in the Atlantic basin.

 

Average temperatures in August were near normal in the Panhandle and above normal in Peninsular Florida. Average temperature departures from normal ranged from -0.6 ̊F in Key West to +2.4 ̊F in West Palm Beach for the month (see Table 1 and Appendix 1 for select cities). Many locations experienced their hottest August on record based on mean monthly temperatures, including Clermont, Tampa, Fort Myers, West Palm Beach, and Hollywood; many other locations recorded one of their top five warmest Augusts on record. Overnight temperatures have been especially warm in south Florida. Summer of 2022 (June-August) has been warmer than normal overall, and most stations in the state had one of their top ten hottest summers on record. Many daily high maximum and high minimum temperature records were set (see appendix 2 for select daily high maximum records).

Table 1.  August average temperatures and departures from normal ( ̊F) for selected cities.

Station Mean Temperature Departure from Normal
Pensacola 82.8 -0.2
Tallahassee 81.9 -0.5
Jacksonville 81.6 -0.5
Orlando 84.7 +2.1
Tampa 85.6 +1.6
Miami 85.6 +1.4
Key West 84.9 -0.6 

 

Rainfall totals in August were above normal across north Florida and below normal in central and south Florida. The monthly precipitation departures from normal ranged from -5.56 inches in West Palm Beach to +5.33 inches in Gainesville (Table 2 and Appendix 1). The pattern of unsettled weather continued in August across the Panhandle, with ample rain falling across much of northern Florida. Pensacola set a new daily rainfall record of 4.59 inches on the 11th (39% of its monthly rainfall total). The annual rainfall surplus to date is 10.2 inches in Pensacola, 8.0 inches in Tallahassee, and 9.6 inches in Gainesville. While thunderstorm activity picked up across the Florida Peninsula during the month, some areas continue to see below normal rainfall, especially in southeastern Florida. Year-to-date rainfall deficits include: 12.0 inches in Vero Beach, 13.2 inches in Stuart, 11.4 inches in West Palm Beach, and 5.2 inches in Orlando and Miami.

Table 2. August precipitation totals and departures from normal (inches) for selected cities.

Station Total Rainfall Departure from Normal
Pensacola 11.76 +4.26
Tallahassee 8.47 +0.87
Jacksonville 10.40 +3.52
Orlando 7.88 +0.19
Tampa 6.51 +2.52
Miami 5.17 -4.41
Key West 2.33 -3.04 

 

Figure 1. A graphical depiction of the monthly rainfall departure from normal (inches) for August (courtesy of NOAA, NWS).

Figure 1.  A graphical depiction of the monthly rainfall departure from normal (inches) for August (courtesy of NOAA, NWS).

 

La Niña Advisory.

La Niña is expected to continue through the winter, with chances decreasing to 60% during December-February 2022-23. Below average sea surface temperatures expanded across the central-eastern equatorial Pacific Ocean during the past month, and overall the coupled ocean-atmosphere system remained consistent with an ongoing La Niña. Looking ahead, La Niña is projected to be the most likely outcome during fall and winter, while most models suggest a transition to ENSO-neutral conditions in January-March 2023, though much uncertainty remains that far out.

 

Hazardous Weather Events in August.

According to the Local Storm Reports issued by the local National Weather Service offices serving Florida, there were 432 individual local reports of hazardous weather events recorded across the state during the month of August (see Table 4 for a breakdown by event type). Thunderstorms and locally heavy rainfall occurred throughout the month, with many locations reporting 3-5 inches of daily rainfall. Reports of 5.26 inches and 6.45 inches of rain in 2 hours were reported on the 14th in Gadsden County. Several waterspouts were reported, as well as two tornadoes, during the month.

 

Table 4. Breakdown of storm reports submitted in Florida during the month of August (compiled from Iowa State University/Iowa Environmental Mesonet).

Report Type Number of Reports
Flash Flood 5
Heavy Rain 55
Flood 28
Hail 41
Lightning 20
Marine Thunderstorm Wind 60
Non-Thunderstorm Wind Gust 11
Non-Thunderstorm Wind Damage 0
Tornado/Waterspout/Funnel Cloud 2/28/11
Thunderstorm Wind Damage 55
Thunderstorm Wind Gust 115
Wildfire 1

 

Daily Record Events in August.

Table 5.Summary of daily records broken or set in Florida in August (source: NCEI Daily Weather Records).

Category Number of Records
Highest daily max. temp. 42
Highest daily min. temp. 34
Lowest daily max. temp. 8
Lowest daily min. temp. 11
Highest daily precipitation 11
Total 106

 

Weather/Climate Highlight of the Month.

The tropics remained quiet with no named storms in August. This is the first time since 1997 with no named storms in the Atlantic basin in August, and only the third time since record keeping began.

 

Drought-Related Impacts.

At the beginning of August, small pockets of abnormally dry conditions (D0) impacted parts of the state. As of August 2, approximately 6.7% of the state had abnormally dry conditions, according to the U.S. Drought Monitor. Abnormally dry conditions expanded throughout the month across the eastern Florida Peninsula and southeast Florida and a small area of moderate drought (D1) emerged. As of August 30, 19.5% of the state was in abnormally dry conditions and 1% was in moderate drought (Figure 2 below).

As of August 31, the Lake Okeechobee water level was 12.57 ft. above sea level (Feet-NGVD29), which is below average for this time of the year and is approaching water shortage management levels. At the first of the month, the water level was 12.94 ft. above sea level.

 

Figure 2. A graphical depiction of the current drought conditions in Florida according to the U.S. Drought Monitor (courtesy of the National Drought Mitigation Center, University of Nebraska-Lincoln).

drought monitor

 

Agriculture-Related Impacts.

In mid-August, topsoil moisture conditions were adequate in 79% of the state, short in 13%, and very short in 3% of the state, while 5% of the state had surplus topsoil moisture conditions. Near the end of August, topsoil moisture had slightly improved with levels adequate in 78% of the state, short in 7%, and very short in 1% of the state; 14% of the state was in surplus. Warm overnight temperatures in South Florida affected some crops during the month, like corn. For more information, consult the Crop Progress and Conditions report, which is published by the USDA's National Agricultural Statistics Service.

 

Appendix 1
Additional August departures from normal data for select Florida locations (Source: NWS).

Station Average Temperature (˚F) Departure from Normal (˚F) Total Rainfall (in.) Departure from Normal (in.)
Gainesville 82.1 +0.8 11.73 +5.33
Sarasota 82.9 -0.5 8.91 -0.20
Melbourne 83.5 +0.1 4.87 -1.80
Fort Myers 85.2 +1.8 10.52 +0.09
West Palm Beach 85.6 +2.4 3.12 -5.56

 

Appendix 2
Select daily record high maximum temperatures broken or tied during August (compiled from NOAA).

Location Date Record (˚F) Broken/Tied Last
Bradenton 1 96 Broken 95 in 2010
Plant City 1 99 Broken 98 in 1961
Orlando 1 98 Broken 97 in 2010
Key West 1 96 Broken 94 in 2021
Clermont 2 99 Broken 97 in 2016
Plant City 2 100 Broken 97 in 2020
Miles City 2 97 Tied 97 in 2006
Tampa 2 96 Broken 95 in 2005
Clermont 3 99 Broken 97 in 2016
Plant City 3 100 Broken 96 in 2020
Key West 3 96 Broken 94 in 2021
Plant City 4 99 Broken 98 in 1899
Key West 4 96 Broken 94 in 2020
Clermont 5 98 Broken 97 in 1972
Tampa 5 96 Broken 95 in 1993
Key West 5 95 Tied 95 in 2011
Tampa 6 95 Tied 95 in 1987
Key West 6 95 Broken 94 in 2019
Plant City 7 98 Tied 98 in 2021
Tarpon Springs 7 97 Broken 96 in 2017
Jacksonville Beach 16 97 Broken 95 in 2020
Vero Beach 16 96 Tied 96 in 1945
Clermont 17 98 Tied 98 in 1951
Miami 17 96 Broken 95 in 1991
Vero Beach 17 98 Broken 95 in 1987
Key West 17 95 Broken 94 in 2020
Vero Beach 18 96 Broken 94 in 1984
Plant City 18 99 Broken 98 in 1896
Miami 18 96 Broken 95 in 2017
Fort Lauderdale 19 95 Broken 93 in 1964
Tampa 20 97 Broken 96 in 2007
Gainesville 20 95 Tied 95 in 2021
Fort Myers 20 98 Tied 98 in 1987
Key West 20 97 Broken 95 in 2010
Clermont 21 99 Broken 98 in 2021
Key West 21 97 Broken 93 in 2021
Plant City 23 100 Broken 98 in 2021
Key West 23 95 Broken 94 in 2020
Key West 24 96 Broken 94 in 2021
Plant City 26 99 Broken 97 in 1914
Key West 26 96 Broken 94 in 2007
Key West 30 95 Broken 93 in 2020
Plant City 31 100 Tied 100 in 2017
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Phone: (850) 644-3417 | (850) 644-0719
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Florida Climate Center