« Heat and humidity may be summer's last gasp | Main | Nasty humidity; I want my AC »

September 23, 2009

Where was the heaviest rain in Deep South?

Heavy and persistent rains have swamped many sections of the Deep South in recent weeks.  It has erased longstanding drought in many spots, but replaced it with terrible flooding that has caused numerous deaths - at least seven in Georgia alone - and much property damage.

NASA's Earth Observatory has computed cumulative rain totals based on satellite observations and generated a map of the region showing where the heaviest rain was concentrated.

The lightest amounts are in pale green, the heaviest (more than 300 mm, or about 12 inches) in dark blue. Here's more.

NASA rainfall totals

Posted by Frank Roylance at 12:15 PM | | Comments (1)
Categories: By the numbers


Great Blog posts this afternoon! The graphic concerning the rainfall in the south seems to indicate the largest concentration of rain in Georgia is right over Lake Lanier. If I remember this is where the drought was concentrated over the last several years. It is also the primary water source for Metro Atlanta. Do you know if the lake has returned to normal water levels? Is this a drought busting rainfall or merely an reprieve in a longer standing cycle?

FR: There were some remaining dry conditions in northeast Georgia as of Sept. 15, but I suspect those are gone now, too. Lake Lanier is now predicted to be at "full pool" by early 2010, if not sooner.

Post a comment

All comments must be approved by the blog author. Please do not resubmit comments if they do not immediately appear. You are not required to use your full name when posting, but you should use a real e-mail address. Comments may be republished in print, but we will not publish your e-mail address. Our full Terms of Service are available here.

Verification (needed to reduce spam):

About Frank Roylance
This site is the Maryland Weather archive. The current Maryland Weather blog can be found here.
Frank Roylance is a reporter for The Baltimore Sun. He came to Baltimore from New Bedford, Mass. in 1980 to join the old Evening Sun. He moved to the morning Sun when the papers merged in 1992, and has spent most of his time since covering science, including astronomy and the weather. One of The Baltimore Sun's first online Web logs, the Weather Blog debuted in October 2004. In June 2006 Frank also began writing comments on local weather and stargazing for The Baltimore Sun's print Weather Page. Frank also answers readers’ weather queries for the newspaper and the blog. Frank Roylance retired in October 2011. Maryland Weather is now being updated by members of The Baltimore Sun staff

Sign up for FREE weather alerts*
Get free Baltimore Sun mobile alerts
Sign up for weather text alerts

Returning user? Update preferences.
Sign up for more Sun text alerts
*Standard message and data rates apply. Click here for Frequently Asked Questions.
Maryland Weather Center

Area Weather Stations
Resources and Sun coverage
• Weather news

• Readers' photos

• Data from the The Sun's weather station

• 2011 stargazers' calendar

• Become a backyard astronomer in five simple steps

• Baltimore Weather Archive
Daily airport weather data for Baltimore from 1948 to today

• National Weather Service:
Sterling Forecast Office

• Capital Weather Gang:
Washington Post weather blog

• CoCoRaHS:
Community Collaborative Rain, Hail and Snow Network. Local observations by volunteers

• Weather Bug:
Webcams across the state

• National Data Buoy Center:
Weather and ocean data from bay and ocean buoys

• U.S. Drought Monitor:
Weekly maps of drought conditions in the U.S.

• USGS Earthquake Hazards Program:
Real-time data on earthquakes

• Water data:
From the USGS, Maryland

• National Hurricane Center

• Air Now:
Government site for air quality information

• NWS Climate Prediction Center:
Long-term and seasonal forecasts

• U.S. Climate at a Glance:
NOAA interactive site for past climate data, national, state and city

• Clear Sky Clock:
Clear sky alerts for stargazers


• Hubblesite:
Home page for Hubble Space Telescope

• Heavens Above:
Everything for the backyard stargazer, tailored to your location

• NASA Eclipse Home Page:
Centuries of eclipse predictions

• Cruise Critic: Hurricane Zone:
Check to see how hurricanes may affect your cruise schedule

• Warming World:
NASA explains the science of climate change with articles, videos, “data visualizations,” and space-based imagery.

• What on Earth:
NASA blog on current research at the space agency.
Most Recent Comments
Blog updates
Recent updates to news blogs
 Subscribe to this feed
Charm City Current
Stay connected