Drought Information Statement
Issued by NWS Knoxville/Tri Cities, TN

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
000
AXUS74 KMRX 291910
DGTMRX
NCC039-043-TNC007-011-065-107-115-121-123-139-143-153-302350-

DROUGHT INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
310 PM EDT THU SEP 29 2016

...EXCEPTIONAL DROUGHT /D4/ CONDITIONS HAVE BEEN INTRODUCED...
...EXTREME DROUGHT /D3/ CONDITIONS EXPAND...
...SEVERE DROUGHT /D2/ CONDITIONS CONTINUE...

SYNOPSIS... ACCORDING TO THE DROUGHT MONITOR VALID SEPTEMBER 27,
2016... A DOWNGRADE TO EXCEPTIONAL DROUGHT CONDITIONS /D4/ HAS
BEEN MADE FOR THE SOUTHERN HALF OF HAMILTON COUNTY...INCLUDING
THE CITY OF CHATTANOOGA...AND ADJACENT AREAS OF EXTREME EASTERN
MARION...EXTREME SOUTHERN SEQUATCHIE...AND EXTREME WESTERN
BRADLEY COUNTIES. A D4 CATEGORY DROUGHT IS THE WORST CATEGORY OF
DROUGHT AVAILABLE ON THE DROUGHT MONITOR.

EXTREME DROUGHT CONDITIONS /D3/ HAVE EXPANDED FURTHER... AND NOW
INCLUDE MUCH OF MARION AND BRADLEY COUNTIES...THE SOUTHERN HALF
OF SEQUATCHIE COUNTY...THE NORTHERN HALF OF HAMILTON COUNTY...
EXTREME SOUTHERN MEIGS COUNTY...AND EXTREME SOUTHWESTERN POLK
COUNTY.

SEVERE DROUGHT /D2/ CONDITIONS CONTINUE OVER EXTREME WESTERN
MARION...EXTREME NORTHERN HAMILTON...POLK...SOUTHWESTERN
MONROE...CENTRAL SEQUATCHIE...SOUTHERN BLEDSOE...SOUTHERN
RHEA...MEIGS...AND MCMINN COUNTIES IN EAST TENNESSEE...AS WELL AS
ACROSS CHEROKEE AND WESTERN CLAY COUNTIES IN SOUTHWESTERN
NORTH CAROLINA.

THE CONTINUATION OF BELOW NORMAL RAINFALL AND ABOVE NORMAL
TEMPERATURES DURING THE PAST SEVEN DAYS HAS RESULTED IN THE
CONTINUATION AND SLIGHT WORSENING OF THE DROUGHT CONDITIONS.

SUMMARY OF IMPACTS...

STATE AND LOCAL DECLARATIONS: NOT AVAILABLE.

AGRICULTURAL IMPACTS: CROP STRUGGLES CONTINUE. DRIED PONDS ABOUND.
CATTLE ARE BEING MAINTAINED WITH HAY AND CITY WATER. SOME HAY
NEEDS TO BE PURCHASED. TREES ARE BEGINNING TO PREMATURELY DROP
AUTUMN LEAVES...WHILE A FEW TREES HAVE DIED. WHILE A FEW LOCALIZED
COMMUNITIES HAVE INSTITUTED WATER RESTRICTIONS IN SOUTHEAST
TENNESSEE...APPARENTLY NONE OF THESE COMMUNITIES ARE WITHIN THE
EXCEPTIONAL DROUGHT /D4/ AREA.

FIRE DANGER IMPACTS: NO ALERTS OR EMERGENCIES HAVE BEEN ISSUED.
LOCAL COUNTY AND CITY LAWS MAY RESTRICT OUTDOOR BURNING. BURNERS ARE
RESPONSIBLE FOR CONTACTING THEIR LOCAL GOVERNMENT FOR ADDITIONAL
INFORMATION.

CLIMATE SUMMARY...

AT THE CHATTANOOGA AIRPORT...FOR THE MONTH OF SEPTEMBER THUS FAR...
RAINFALL HAS BEEN 2 INCHES BELOW NORMAL. RAINFALL FOR THE YEAR SINCE
JANUARY 1ST SHOWS CHATTANOOGA IS 14 INCHES BELOW NORMAL. MEANWHILE...
TEMPERATURES THUS FAR IN SEPTEMBER ARE RUNNING ALMOST A WHOPPING
7 DEGREES ABOVE NORMAL AT CHATTANOOGA.

PRECIPITATION/TEMPERATURE OUTLOOK...

OVER THE NEXT SEVEN DAYS...EXPECT A CONTINUATION OF DRY WEATHER WITH
ABOVE NORMAL TEMPERATURES.

THE OUTLOOK FOR WEEK TWO /OCTOBER 6TH TO OCTOBER 12TH/ IS FOR
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL RAINFALL TO CONTINUE.

FOR THE REST OF OCTOBER...TEMPERATURES ARE EXPECTED TO RUN
NEAR NORMAL WITH PRECIPITATION NEAR TO BELOW NORMAL.

THE LATEST SEASONAL DROUGHT OUTLOOK EXPECTS DROUGHT TO PERSIST
THROUGH THE END OF THE YEAR.

HYDROLOGIC SUMMARY AND OUTLOOK...

SEVERAL STREAMFLOWS WITHIN THE DROUGHT AREA ARE IN THE LOWEST 10TH
PERCENTILE OF RECORDED OBSERVATIONS FOR THE DATE.

BECAUSE OF THE PERSISTENT DRY WEATHER...HIWASSEE LAKE IS OPERATING
AT THE LOWER END OF THEIR EXPECTED POOL ELEVATION RANGE FOR THE
DATE...WHILE CHATUGE LAKE IS OPERATING BELOW ITS EXPECTED POOL
ELEVATION RANGE. LARGER LAKES LIKE CHICKAMAUGA AND NICKAJACK ARE
IN A NORMAL RANGE FOR THE TIME OF YEAR.

ACCORDING TO THE CLIMATE PREDICTION CENTER...THE LATEST DAILY SOIL
MOISTURE DATA FROM SEPTEMBER 28TH SHOWS THAT THE SOIL MOISTURE
RANKING PERCENTILES FOR THE DATE IN THE LOWER 5TH PERCENTILE OF
OBSERVATIONS FOR THE DATE...WHILE IN THE D4 AREA SOIL MOISTURE IS
RANKING IN THE LOWEST ONE PERCENTILE FOR THE DATE.

TWO USGS GROUNDWATER WELL SITES NEAR CHATTANOOGA ARE BETWEEN THE
10TH AND 25TH PERCENTILE OF NORMAL...WHILE A THIRD SITE IS BETWEEN
THE 25TH AND 50TH PERCENTILE. A GAUGED WELL IN CHEROKEE COUNTY NC
IS IN THE LOWEST 10TH PERCENTILE OF NORMAL.

THE OUTLOOK FOR LAKE LEVELS AND GROUNDWATER IS FOR GRADUALLY
DETERIORATING CONDITIONS DUE TO A LACK OF WIDESPREAD BENEFICIAL
RAINS.

NEXT ISSUANCE DATE...

THE NEXT DROUGHT STATEMENT IS EXPECTED NEXT WEEK.

&&

RELATED WEB SITES...
/USE LOWER CASE/

FOR MORE DROUGHT INFORMATION...VISIT OUR WEBSITE AT
HTTP://WWW.WEATHER.GOV/MORRISTOWN

FOR INFORMATION ABOUT TENNESSEE DROUGHT...VISIT
WWW.TN.GOV/ENVIRONMENT/TOPIC/WR-DROUGHT-PLANNING

FOR INFORMATION FROM THE TENNESSEE DIVISION OF FORESTRY...VISIT
WWW.TN.GOV/AGRICULTURE/TOPIC/AG-EAC-FORESTRY

RADAR ESTIMATED PRECIPITATION AMOUNTS CAN BE OBTAINED FROM...
HTTP://WATER.WEATHER.GOV/PRECIP

STREAMFLOWS ARE OBTAINED FROM THE USGS AT...
HTTP://WATERWATCH.USGS.GOV/INDEX.PHP

LAKE LEVELS FOR THE TENNESSEE RIVER LAKES CAN BE OBTAINED FROM
HTTP://WWW.TVA.GOV/ENVIRONMENT/LAKE-LEVELS

ACKNOWLEDGEMENTS...

SOME DATA USED IN THIS STATEMENT WERE PROVIDED BY THE U.S.
DEPARTMENT OF AGRICULTURE...THE U.S. GEOLOGICAL SURVEY...THE
TENNESSEE VALLEY AUTHORITY...AND THE STATE OF TENNESSEE.

QUESTIONS OR COMMENTS...

FOR QUESTIONS OR COMMENTS ON THE DROUGHT...CONTACT:
NATIONAL WEATHER SERVICE MORRISTOWN
5974 COMMERCE BLVD
MORRISTOWN TN 37814
PHONE: 423-586-3771
SR-MRX.WEBMASTER@NOAA.GOV

$$

13


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.