Alert archive / Tennessee / Flash Flood Watches in 2019

Flash Flood Watch 3, NWS Nashville, TN

February 21, 201938 counties in Tennessee

NWS Nashville, TN issued this flash flood watch at Feb 21, 2019, 1:48 AM CST for 38 counties in Tennessee. It took effect at Feb 21, 2019, 3:02 PM CST. It was in force for 57 hr.

The area

The counties it named.

The facts

Issued
Feb 21, 2019, 1:48 AM CST (07:48 UTC)
In effect from
Feb 21, 2019, 3:02 PM CST
Expired
Feb 24, 2019, 12:00 AM CST
In force
57 hr
Issued by
NWS Nashville, TN
Flood severity
None
All 38 counties

Bedford County, TN, Cannon County, TN, Cheatham County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Giles County, TN, Grundy County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Macon County, TN, Marshall County, TN, Maury County, TN, Montgomery County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 30 km from the middle of the area, began a volume at 07:51 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Nashville, TN wrote its last area forecast discussion before this flash flood watch went out at Feb 20, 10:26 PM CST, 3 hours 22 minutes earlier.

Area forecast discussion, Feb 20, 10:26 PM CST, 3 hours 22 minutes before
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Hazardous weather outlook, Feb 20, 5:06 AM CST, 20 hours 42 minutes before
Hazardous Weather Outlook
National Weather Service Nashville TN
506 AM CST Wed Feb 20 2019

TNZ005>011-023>034-056>066-075-077>080-093>095-211115-
Stewart-Montgomery-Robertson-Sumner-Macon-Clay-Pickett-Houston-
Humphreys-Dickson-Cheatham-Davidson-Wilson-Trousdale-Smith-
Jackson-Putnam-Overton-Fentress-Perry-Hickman-Lewis-Williamson-
Maury-Marshall-Rutherford-Cannon-De Kalb-White-Cumberland-Bedford-
Coffee-Warren-Grundy-Van Buren-Wayne-Lawrence-Giles-
506 AM CST Wed Feb 20 2019

This Hazardous Weather Outlook is for portions of Middle
Tennessee.

.DAY ONE...Today and Tonight

Flash flooding and rises on creeks and rivers will be possible
this morning and early afternoon as waves of heavy rainfall
impact the area.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

More rain will bring a continued threat of flash flooding Friday
morning through Saturday night. Additional rainfall totals of 2 to
4 inches will be possible across Middle Tennessee. These totals,
combined with the recent rainfall and already saturated ground,
could lead to significant flooding across the area.

Some strong to potentially severe thunderstorms may affect parts
of Middle Tennessee on Saturday or Saturday night. Damaging winds
and flooding will be possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed from Tuesday through
Sunday due to the potential for flooding.

11

The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 20, 7:54 PM CSTRiver Flood WarningOHXGiles6 days
Feb 20, 8:08 PM CSTRiver Flood WarningOHXGiles16 hr
Feb 20, 9:17 PM CSTRiver Flood AdvisoryOHXMarshall23 hr
Feb 20, 9:19 PM CSTRiver Flood AdvisoryOHXPerry, Wayne11 hr
Feb 20, 9:22 PM CSTRiver Flood AdvisoryOHXBedford3 hr
Feb 20, 9:24 PM CSTRiver Flood AdvisoryOHXWilliamson15 hr
Feb 21, 12:03 AM CSTRiver Flood WarningOHXBedford12 hr
Feb 21, 2:19 AM CSTRiver Flood AdvisoryOHXLawrence18 hr
Feb 21, 12:10 PM CSTRiver Flood AdvisoryOHXCheatham67 hr
Feb 21, 12:12 PM CSTRiver Flood AdvisoryOHXGiles21 hr
Feb 21, 1:15 PM CSTAreal Flood AdvisoryOHXGiles, Lawrence, Wayne3 hr
Feb 21, 2:22 PM CSTAreal Flood AdvisoryOHXGiles, Hickman, Lawrence, Lewis, Marshall, Maury and 2 more4 hr
Feb 21, 5:29 PM CSTRiver Flood WarningOHXMontgomery, Robertson4 days

Nearby

Flash Flood Watches in Tennessee, 2019Every flash flood watch in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.