Alert archive / Tennessee / Areal Flood Warnings in 2017

Areal Flood Warning 4, NWS Nashville, TN

November 7, 20174 counties in Tennessee

NWS Nashville, TN issued this areal flood warning at Nov 7, 2017, 4:41 AM CST for 4 counties in Tennessee. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 7, 2017, 4:41 AM CST (10:41 UTC)
Expired: Nov 7, 2017, 7:45 PM CST
In force: 15 hr
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Flood severity: None

Counties Davidson County, TN, Rutherford County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 26 km from the middle of the area, began a volume at 10:45 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.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 10.7 hours before the alert went out and 13 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 472 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning 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 areal flood warning went out at Nov 7, 4:10 AM CST, 31 minutes earlier.

Area forecast discussion, Nov 7, 4:10 AM CST, 31 minutes before

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Hazardous weather outlook, Nov 7, 12:41 AM CST, 4 hours before

Hazardous Weather Outlook
National Weather Service Nashville TN
1241 AM CST Tue Nov 7 2017

TNZ005>011-023>034-056>066-075-077>080-093>095-071130-
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-
1241 AM CST Tue Nov 7 2017

This Hazardous Weather Outlook is for portions of Middle
Tennessee.

.DAY ONE...Overnight

Strong thunderstorms producing heavy rainfall are possible in all
but extreme southern Middle Tennessee, and some flooding is possible
as rainfall amounts accumulate.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter reports of flooding may be needed.

In the hours before

Local storm report, Nov 6, 11:54 PM CST, 4 hours 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1154 PM CST MON NOV 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0936 PM     TSTM WND DMG     3 NW FAIRVIEW           36.01N  87.17W
11/06/2017                   WILLIAMSON         TN   911 CALL CENTER

            A REPORT OF ONE TREE DOWN. IT WAS CLEARED FAIRLY
            QUICKLY.

&&

EVENT NUMBER OHX1700816

FBORDEN

Local storm report, Nov 6, 11:57 PM CST, 4 hours 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1157 PM CST MON NOV 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1018 PM     TSTM WND DMG     FRANKLIN                35.93N  86.84W
11/06/2017                   WILLIAMSON         TN   911 CALL CENTER

            REPORT OF TWO TREES DOWN. ONE AT GALERIA MALL... AND
            THE OTHER ONE AT OLD NATCHEZ TRACE AND NATCHEZ ROAD.
            TIME ESTIMATED VIA RADAR.

&&

EVENT NUMBER OHX1700817

FBORDEN

Local storm report, Nov 6, 11:59 PM CST, 4 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1159 PM CST MON NOV 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1006 PM     TSTM WND DMG     5 NW FRANKLIN           35.98N  86.90W
11/06/2017                   WILLIAMSON         TN   911 CALL CENTER

            REPORT OF A TREE DOWN. TIME ESTIMATED VIA RADAR.

&&

EVENT NUMBER OHX1700818

FBORDEN

Local storm report, Nov 7, 12:11 AM CST, 4 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
1211 AM CST TUE NOV 07 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0936 PM     TSTM WND DMG     3 NW FAIRVIEW           36.01N  87.17W
11/06/2017                   WILLIAMSON         TN   911 CALL CENTER

            A REPORT OF ONE TREE DOWN. IT WAS CLEARED FAIRLY
            QUICKLY.

1006 PM     TSTM WND DMG     5 NW FRANKLIN           35.98N  86.90W
11/06/2017                   WILLIAMSON         TN   911 CALL CENTER

            REPORT OF A TREE DOWN. TIME ESTIMATED VIA RADAR.

1018 PM     TSTM WND DMG     FRANKLIN                35.93N  86.84W
11/06/2017                   WILLIAMSON         TN   911 CALL CENTER

            REPORT OF TWO TREES DOWN. ONE AT GALERIA MALL... AND
            THE OTHER ONE AT OLD NATCHEZ TRACE AND NATCHEZ ROAD.
            TIME ESTIMATED VIA RADAR.

1050 PM     FLOOD            3 NW BRENTWOOD          36.03N  86.82W
11/06/2017                   WILLIAMSON         TN   TRAINED SPOTTER

            STREET FLOODING REPORTED IN BRENTWOOD NEAR SCALES
            ELEMENTARY SCHOOL

1100 PM     FLOOD            2 SE LA VERGNE          35.98N  86.55W
11/06/2017                   RUTHERFORD         TN   TRAINED SPOTTER

            REPORT OF 3-6 INCHES OF WATER ON ROCK SPRINGS ROAD NEAR
            OLD NASHVILLE HIGHWAY. THE ROADWAY IS STILL PASSABLE.

1102 PM     FLOOD            5 W BELLE MEADE         36.09N  86.94W
11/06/2017                   DAVIDSON           TN   TWITTER

            STREET FLOODING REPORTED ON SAWYER BROWN ROAD IN
            BELLEVUE WITH UNCONFIRMED REPORT OF SOME CARS STALLED
            OUT IN FLOOD WATERS

1125 PM     FLOOD            2 SE OAK HILL           36.05N  86.76W
11/06/2017                   DAVIDSON           TN   TRAINED SPOTTER

            VIDEO SHOWED HILL ROAD FLOODED IN CRIEVE HALL AREA

&&

EVENT NUMBER OHX1700816 OHX1700818 OHX1700817 OHX1700812 OHX1700814
OHX1700813 OHX1700815

SHAMBURGER

Special weather statement, Nov 7, 1:43 AM CST, 2 hours 58 minutes before

Special Weather Statement
National Weather Service Nashville TN
143 AM CST TUE NOV 7 2017

TNZ062>064-078-070830-
Cannon TN-Rutherford TN-De Kalb TN-Warren TN-
143 AM CST TUE NOV 7 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN DE KALB...EAST CENTRAL
RUTHERFORD...NORTHERN WARREN AND CANNON COUNTIES UNTIL 230 AM CST...

At 142 AM CST, Doppler radar was tracking a strong thunderstorm 7
miles northwest of Woodbury, moving east at 45 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Smithville, Woodbury, Auburntown, Milton and Readyville.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3595 8566 3590 8565 3589 8567 3589 8565
      3587 8565 3586 8567 3585 8565 3583 8566
      3583 8568 3582 8567 3581 8565 3571 8565
      3578 8627 3596 8627 3595 8615 3596 8615
      3597 8609 3596 8602 3597 8602 3600 8565
TIME...MOT...LOC 0742Z 270DEG 40KT 3587 8619

Rose

Special weather statement, Nov 7, 2:19 AM CST, 2 hours 22 minutes before

Special Weather Statement
National Weather Service Nashville TN
219 AM CST TUE NOV 7 2017

TNZ078-080-070900-
Van Buren TN-Warren TN-
219 AM CST TUE NOV 7 2017

...SIGNIFICANT WEATHER ADVISORY FOR VAN BUREN AND CENTRAL WARREN
COUNTIES UNTIL 300 AM CST...

At 219 AM CST, Doppler radar was tracking a strong thunderstorm over
McMinnville, moving east at 40 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
McMinnville, Spencer, Morrison and Fall Creek Falls State Park.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3568 8530 3557 8542 3555 8546 3554 8554
      3553 8555 3553 8563 3563 8592 3580 8586
      3571 8529
TIME...MOT...LOC 0819Z 286DEG 36KT 3570 8580

Rose

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 6, 8:02 PM CST	Special Weather Statement	OHX	Houston, Humphreys	28 min
Nov 6, 8:28 PM CST	Special Weather Statement	OHX	Dickson, Humphreys	47 min
Nov 6, 9:12 PM CST	Special Weather Statement	OHX	Dickson	48 min
Nov 6, 9:44 PM CST	Special Weather Statement	OHX	Williamson	46 min
Nov 6, 9:49 PM CST	Special Weather Statement	OHX	Bedford, Coffee	41 min
Nov 6, 9:59 PM CST	Severe Thunderstorm Warning	OHX	Davidson, Williamson	31 min
Nov 6, 10:26 PM CST	Areal Flood Advisory	OHX	Cheatham, Davidson, Dickson, Williamson	2 hr
Nov 6, 10:28 PM CST	Special Weather Statement	OHX	Rutherford	47 min
Nov 6, 10:32 PM CST	Special Weather Statement	OHX	Coffee, Warren	43 min
Nov 6, 11:17 PM CST	Areal Flood Advisory	OHX	Davidson, Rutherford, Williamson, Wilson	118 min
Nov 6, 11:53 PM CST	Areal Flood Advisory	OHX	Cheatham, Davidson, Dickson, Williamson	112 min
Nov 7, 12:04 AM CST	River Flood Warning	OHX	Davidson	24 hr
Nov 7, 12:06 AM CST	River Flood Advisory	OHX	Davidson	53 min
Nov 7, 12:16 AM CST	River Flood Advisory	OHX	Davidson	23 hr
Nov 7, 12:28 AM CST	River Flood Advisory	OHX	Davidson	29 min
Nov 7, 12:40 AM CST	River Flood Warning	OHX	Davidson	24 hr
Nov 7, 12:52 AM CST	River Flood Warning	OHX	Davidson	24 hr
Nov 7, 12:54 AM CST	Areal Flood Advisory	OHX	Cannon, DeKalb, Putnam, Rutherford, Van Buren, Warren and 2 more	3 hr
Nov 7, 1:43 AM CST	Special Weather Statement	OHX	Cannon, DeKalb	47 min
Nov 7, 2:19 AM CST	Special Weather Statement	OHX	Van Buren, Warren	41 min
Nov 7, 2:36 AM CST	River Flood Warning	OHX	Davidson	17 hr
Nov 7, 3:31 AM CST	River Flood Warning	OHX	Davidson	12 hr
Nov 7, 5:12 AM CST	Special Weather Statement	OHX	Cannon	33 min
Nov 7, 5:25 AM CST	Areal Flood Warning	OHX	Cannon, DeKalb, Putnam, Smith, Van Buren, Warren and 2 more	6 hr
Nov 7, 5:44 AM CST	Flash Flood Warning	OHX	DeKalb	3 hr
Nov 7, 6:12 AM CST	Areal Flood Warning	OHX	Cumberland, Putnam, White	6 hr
Nov 7, 6:25 AM CST	River Flood Advisory	OHX	Cheatham	17 hr
Nov 7, 6:25 AM CST	River Flood Advisory	OHX	Davidson, Williamson	13 hr
Nov 7, 6:39 AM CST	River Flood Advisory	OHX	Hickman	11 hr
Nov 7, 7:10 AM CST	River Flood Warning	OHX	Cheatham	19 hr
Nov 7, 11:24 AM CST	Areal Flood Advisory	OHX	Cannon, DeKalb, Putnam, Smith, White, Wilson	3 hr
Nov 7, 12:08 PM CST	Areal Flood Advisory	OHX	Cumberland, Putnam, White	3 hr

Nearby

Areal Flood Warnings in Tennessee, 2017 Every areal flood warning in 2017

Sources

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