Written by Harold Pierce and Rob Gutro
Greenbelt, MD – The low pressure center that has been gyrating over the northeastern Gulf of Mexico for days has now dropped very heavy precipitation over southeastern Louisiana. The Global Precipitation Measurement mission, or GPM, core satellite gathered rainfall data on the system and looked at it in three dimensions.
Up to 10 inches (254 mm) of rain since Thursday, August 11th, has already caused flooding in parts of the state. On August 12th the National Weather Service issued flash flood warnings for many parts of southeastern Louisiana. Much of the New Orleans area is under a flood watch until Saturday morning, August 13th.
Nashville, TN – The National Weather Service (NWS) says hazardous weather is possible today for Clarksville-Montgomery County and parts of Middle Tennessee.
There is a 40 percent chance of showers and thunderstorms. A few storms may become strong to severe, especially West of Interstate 65.
The main threat will be damaging straight line winds and localized flooding through 9:00pm.
Nashville, TN – The National Weather Service has issued a flash flood watch which is in effect until 1:00am tonight for areas generally along and north of a line from Waynesboro to Woodbury to Jamestown. This includes the Clarksville-Montgomery County.
Widespread showers and thunderstorms expected through tonight which will lead to locally heavy rainfall of 2 to 4 inches with higher amounts. Intense rainfall rates may lead to several inches of rain in a short amount of time.
Nashville, TN – The National Weather Service (NWS) in Nashville reports hot and humid conditions will continue this week for Clarksville-Montgomery County with high temperatures reaching the low to mid 90s across much of Middle Tennessee today through Thursday.
The combination of these hot temperatures with high humidity will lead to uncomfortable heat index values near or above 100 degrees each afternoon.
Take extra precautions if you will be outdoors this week.
Nashville, TN – The National Weather Service (NWS) in Nashville reports upper level ridging influences will build across Clarksville-Montgomery County and Middle Tennessee as of Friday and into the weekend with a continuance of a strong surface ridging pattern. The warmest temperatures so far this year across Middle Tennessee will be experienced.
Highs on Friday will generally be in the low to mid 90s, with highs on Saturday and Sunday generally in the mid 90s, for locations west of the Cumberland Plateau higher elevations.
Dry conditions will continue through Saturday, with a slight chance of showers and thunderstorms across the mid state by Sunday afternoon, as some low level moisture works its way into our region.
Nashville, TN – The National Weather Service (NWS) in Nashville has extended the Flood Warning for Red River at Port Royal until Saturday, May 28th, at 2:48am.
At 7:00am on Friday, May 27th, the stage was 29.8 feet and rising. Minor flooding is forecast. Flood stage is 30.0 feet.
The Red River is forecasted to rise above flood stage this morning and continue to rise to near 31.0 feet this afternoon.
Nashville, TN – The National Weather Service in Nashville has issued a Flood Advisory for The Red River At Port Royal. At 8:00pm Thursday, the stage was 19.5 feet. Action Stage is 25.0 feet. Flood stage is 30.0 feet.
The river will continue to rise to near 27.0 feet by tomorrow morning, Friday, May 26th.
At 17.0 feet, the public access parking lot at Port Royal State Park is completely inundated.
Nashville, TN – The Nashville Weather Service (NWS) has issued a flash flood warning that remains in effect until 8:15pm CDT for Robertson County, Northwestern Davidson County, Northeastern Humphreys County, Eastern Houston County, Cheatham County, Southern Montgomery County, Dickson County and western Sumner County.
At 6:07pm CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. 2 to 4 inches of rain have fallen.
Nashville, TN – The National Weather Service (NWS) in Nashville has issued a urban and small stream flood advisory for Montgomery county, Northwestern Robertson County, East Central Houston County, Northwestern Cheatham County, and northern Dickson County until 8:45pm CDT.
At 5:40pm CDT, doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding in the advisory area.
Nashville, TN – The National Weather Service (NWS) in Nashville has issued a significant weather advisory for Southwestern Montgomery County, Southern Stewart County, North Central Humphreys County, Houston County, and Northwestern Dickson County until 5:30pm CDT.
At 4:41pm CDT, doppler radar was tracking a strong thunderstorm 8 miles west of Tennessee Ridge, or 12 miles south of Dover, moving east at 35 mph. Winds in excess of 40 mph will be possible with this storm.
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