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2 products issued by NWS for: Knoxville TN
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Hydrologic Outlook

Hydrologic Outlook
NCC039-043-TNC001-007-009-011-013-019-025-029-057-059-063-065-067-
073-089-091-093-105-107-115-121-123-129-139-143-145-151-153-155-
163-171-173-179-VAC105-167-169-191-195-520-720-221200-

Hydrologic Outlook
National Weather Service Morristown TN
349 AM EST Sat Jan 21 2017 /249 AM CST Sat Jan 21 2017/

...WIDESPREAD MODERATE TO HEAVY RAINFALL IS EXPECTED OVER THE
REGION SUNDAY EVENING THROUGH MONDAY AFTERNOON...WITH LOCALIZED
AREAL FLOODING AND FLASH FLOODING POSSIBLE...

A STRONG LOW PRESSURE SYSTEM WILL PULL DEEP SUB-TROPICAL MOISTURE
INTO THE TENNESSEE VALLEY AND SOUTHERN APPALACHIANS SUNDAY NIGHT.
AT THE SAME TIME...A SLOW MOVING COLD FRONT WILL MOVE INTO THE AREA
FROM THE SOUTHWEST. THIS FRONTAL BOUNDARY WILL COMBINE WITH THE
ABUNDANT MOISTURE TO PRODUCE A LONG DURATION RAIN EVENT EARLY NEXT
WEEK. SOME OF THE RAIN WILL BE MODERATE TO HEAVY WITH RAINFALL
AMOUNTS OF 2 TO 3 INCHES ANTICIPATED...WITH LOCALLY HEAVIER
AMOUNTS POSSIBLE ALONG THE EAST TENNESSEE AND WESTERN NORTH
CAROLINA MOUNTAINS.

LOCALIZED RUNOFF PROBLEMS...AND AREAL FLOODING OF POOR DRAINAGE
AREAS ARE POSSIBLE. FLASH FLOODING OF LOW LYING AREAS...ROADWAY
FLOODING...AND RAPID STREAM RISE ARE ALSO POSSIBLE IN AREAS THAT
REPEATEDLY EXPERIENCE HEAVY SHOWERS AND THUNDERSTORMS OVER A SHORT
PERIOD OF TIME. STAY ALERT FOR POSSIBLE FLOOD WATCHES AND
WARNINGS...AND KNOW WHAT TO DO IF A WARNING IS ISSUED.

FOR ADDITIONAL HYDROLOGIC INFORMATION...VISIT OUR WEBSITE AT
HTTP://WEATHER.GOV/MORRISTOWN /ALL LOWER CASE/.

$$




Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
333 AM EST SAT JAN 21 2017

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-220845-
CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS-
SULLIVAN-JOHNSON-MORGAN-ANDERSON-UNION-GRAINGER-HAMBLEN-
NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE-
SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER-
SOUTHEAST CARTER-ROANE-LOUDON-KNOX-JEFFERSON-NW BLOUNT-
BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-SEVIER SMOKY MOUNTAINS-
SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-NORTHWEST MONROE-
SOUTHEAST MONROE-MARION-HAMILTON-BRADLEY-WEST POLK-EAST POLK-LEE-
WISE-SCOTT-RUSSELL-WASHINGTON-
333 AM EST SAT JAN 21 2017 /233 AM CST SAT JAN 21 2017/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH
CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

STRONG TO SEVERE STORMS WILL BE POSSIBLE ACROSS THE EASTERN
TENNESSEE VALLEY THIS EVENING AND OVERNIGHT. THE MAIN THREATS WITH
THESE STORMS WILL BE DAMAGING WINDS...HAIL...AND LOCALLY HEAVY
RAINFALL. HOWEVER...AN ISOLATED TORNADO CANNOT BE RULED
OUT...MAINLY ALONG THE SOUTHERN CUMBERLAND PLATEAU AND SOUTHEAST
TENNESSEE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

AN ADDITIONAL ROUND OF STRONG TO MARGINALLY SEVERE THUNDERSTORMS
IS POSSIBLE SUNDAY AFTERNOON. LOCALLY HEAVY RAINFALL OVER THE
WEEKEND AND INTO EARLY NEXT WEEK MAY CAUSE SOME LOCALIZED FLOODING
ISSUES...AS 2 TO 3 INCHES OF RAINFALL IS EXPECTED...WITH LOCALLY
HIGHER AMOUNTS ALONG THE MOUNTAIN POSSIBLE.

NORTHWEST WINDS WILL INCREASE MONDAY INTO MONDAY NIGHT. WHILE
VALLEY LOCATIONS WILL SEE WINDS TOPPING OUT AROUND 25 MPH, WIND
GUSTS UP TO 40 MPH ARE POSSIBLE ACROSS HIGHER TERRAIN. WITH
SATURATED GROUND, THIS MAY BE ENOUGH TO CAUSE SOME TREES TO FALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED SATURDAY IN SUPPORT OF SEVERE
WEATHER OPERATIONS.

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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