Alert archive / Tennessee / River Flood Advisories in 2015

River Flood Advisory 22, NWS Nashville, TN

April 20, 2015Montgomery County, Tennessee

NWS Nashville, TN issued this river flood advisory at Apr 20, 2015, 3:59 AM CDT for Montgomery County, Tennessee. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued: Apr 20, 2015, 3:59 AM CDT (08:59 UTC)
Expired: Apr 20, 2015, 11:37 PM CDT
In force: 20 hr
Issued by: NWS Nashville, TN

County Montgomery County, TN

The radar

The Ft Campbell radar (KHPX), 28 km from the middle of the area, began a volume at 09:02 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 river

Written for the forecast point Cumberland River at Clarksville (CKVT1).

Action stage: 40 ft
Minor stage: 46 ft
Moderate stage: 50 ft
Major stage: 55 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03436500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood advisory 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 river flood advisory went out at Apr 20, 3:38 AM CDT, 21 minutes earlier.

Area forecast discussion, Apr 20, 3:38 AM CDT, 21 minutes before

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Hazardous weather outlook, Apr 19, 5:27 AM CDT, 22 hours 32 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
527 AM CDT SUN APR 19 2015

TNZ005>011-023>034-056>066-075-077>080-093>095-201030-
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-
527 AM CDT SUN APR 19 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS MIDDLE
TENNESSEE SUNDAY AFTERNOON INTO SUNDAY NIGHT. AFTER WIDESPREAD
RAIN SUNDAY MORNING...ADDITIONAL SCATTERED SHOWERS AND
THUNDERSTORMS ARE EXPECTED TO DEVELOP SUNDAY AFTERNOON AND AGAIN
SUNDAY NIGHT. A FEW STORMS MAY BE STRONG TO SEVERE...WITH
DAMAGING WINDS AND LARGE HAIL POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

REPORTS FROM TRAINED WEATHER SPOTTERS MAY BE NEEDED TODAY AND
TONIGHT.

SPOTTERS CAN MAKE REPORTS VIA TWITTER USING HASHTAG #TSPOTTER

TO MAKE A REPORT VIA FACEBOOK GO TO:
WWW.FACEBOOK.COM/NWS NASHVILLE

SPOTTER THUNDERSTORM REPORTING CRITERIA...
TORNADO
FUNNEL CLOUD
FLOODING
HAIL >= 1/2 INCH
WINDS > 50 MPH (MEASURED)
STRUCTURAL DAMAGE
TREES OR POWER LINES DOWN

55

In the hours before

Special weather statement, Apr 20, 2:13 AM CDT, 1 hour 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
213 AM CDT MON APR 20 2015

TNZ028-030-032-063>065-200815-
CANNON-DE KALB-PUTNAM-SMITH-WHITE-WILSON-
213 AM CDT MON APR 20 2015

...SIGNIFICANT WEATHER ADVISORY FOR CANNON...DE KALB...PUTNAM...
SMITH...WHITE AND WILSON COUNTIES...

AT 213 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM CARTHAGE TO
WOODBURY...MOVING EAST AT 40 MPH.

SOME LOCATIONS IN THE PATH INCLUDE SOUTH CARTHAGE...GORDONSVILLE...
ALEXANDRIA...AUBURNTOWN...HICKMAN...LIBERTY...DOWELLTOWN...CENTER
HILL LAKE...EDGAR EVANS STATE PARK...SMITHVILLE...BAXTER AND BURGESS
FALLS STATE PARK.

HALF INCH SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THESE
STORMS.

LAT...LON 3610 8515 3609 8525 3596 8526 3590 8521
      3580 8525 3582 8527 3580 8537 3582 8548
      3579 8553 3585 8575 3584 8618 3592 8614
      3597 8619 3625 8608 3625 8582 3621 8563
      3622 8556 3630 8547 3624 8542 3614 8512

SHAMBURGER

Local storm report, Apr 20, 2:18 AM CDT, 1 hour 41 minutes before

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Local storm report, Apr 20, 2:19 AM CDT, 1 hour 40 minutes before

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Special weather statement, Apr 20, 2:31 AM CDT, 1 hour 28 minutes before

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Special weather statement, Apr 20, 3:09 AM CDT, 50 minutes before

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Local storm report, Apr 20, 3:50 AM CDT, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 7:22 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Houston	23 min
Apr 19, 8:09 PM CDT	Special Weather Statement	OHX	Davidson	21 min
Apr 19, 10:03 PM CDT	River Flood Advisory	OHX	Davidson	25 hr
Apr 19, 11:00 PM CDT	Special Weather Statement	OHX	Stewart	30 min
Apr 19, 11:30 PM CDT	Special Weather Statement	OHX	Montgomery	45 min
Apr 19, 11:33 PM CDT	Special Weather Statement	OHX	Dickson, Hickman, Houston, Humphreys	42 min
Apr 20, 12:06 AM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Humphreys, Perry	39 min
Apr 20, 12:07 AM CDT	Special Weather Statement	OHX	Lewis, Wayne	53 min
Apr 20, 12:19 AM CDT	Special Weather Statement	OHX	Robertson	26 min
Apr 20, 12:27 AM CDT	Special Weather Statement	OHX	Cheatham, Dickson	33 min
Apr 20, 12:34 AM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lawrence, Lewis, Maury, Wayne	26 min
Apr 20, 12:39 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson	36 min
Apr 20, 12:43 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Dickson, Hickman, Maury, Williamson	32 min
Apr 20, 1:01 AM CDT	Special Weather Statement	OHX	Maury	29 min
Apr 20, 1:02 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Sumner, Wilson	28 min
Apr 20, 1:09 AM CDT	Special Weather Statement	OHX	Giles	36 min
Apr 20, 1:15 AM CDT	Special Weather Statement	OHX	Rutherford, Williamson	30 min
Apr 20, 1:25 AM CDT	Special Weather Statement	OHX	Bedford, Marshall	35 min
Apr 20, 1:29 AM CDT	Severe Thunderstorm Warning	OHX	Macon, Smith, Sumner, Trousdale, Wilson	31 min
Apr 20, 1:45 AM CDT	Special Weather Statement	OHX	Rutherford, Wilson	30 min
Apr 20, 1:49 AM CDT	Special Weather Statement	OHX	Macon, Smith, Trousdale	26 min
Apr 20, 1:59 AM CDT	Special Weather Statement	OHX	Bedford, Cannon, Coffee	46 min
Apr 20, 2:11 AM CDT	Special Weather Statement	OHX	Clay, Jackson, Overton, Pickett, Smith	64 min
Apr 20, 2:13 AM CDT	Special Weather Statement	OHX	DeKalb, Putnam, White	62 min
Apr 20, 2:19 AM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Overton, Pickett	41 min
Apr 20, 2:31 AM CDT	Special Weather Statement	OHX	Coffee, Grundy, Van Buren, Warren	59 min
Apr 20, 3:09 AM CDT	Special Weather Statement	OHX	Cumberland, Fentress, Overton, Pickett	66 min
Apr 20, 12:05 PM CDT	River Flood Advisory	OHX	Perry	37 hr

Nearby

River Flood Advisories in Tennessee, 2015 Every river flood advisory in 2015

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; the gauge from the NWS water service and the USGS.