Alert archive / Tennessee / Special Weather Statements in 2015

Special Weather Statement, NWS Nashville, TN

April 19, 2015Montgomery County, Tennessee

NWS Nashville, TN issued this special weather statement at Apr 19, 2015, 11:30 PM CDT for Montgomery County, Tennessee. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 19, 2015, 11:30 PM CDT (04:30 UTC)
Expired: Apr 20, 2015, 12:15 AM CDT
In force: 45 min
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 04:32 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, 4.5 hours before the alert went out and 86 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: 170 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 927 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Apr 19, 8:18 PM CDT, 3 hours 12 minutes earlier.

Area forecast discussion, Apr 19, 8:18 PM CDT, 3 hours 12 minutes before

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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Apr 19, 5:27 AM CDT, 18 hours 3 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

Local storm report, Apr 19, 6:12 PM CDT, 5 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
612 PM CDT SUN APR 19 2015

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

0333 PM     TSTM WND DMG     3 NE NASHVILLE          36.20N  86.75W
04/19/2015                   DAVIDSON           TN   EMERGENCY MNGR

            ELECTRICAL WIRES DOWN IN EAST NASHVILLE. TIME ESTIMATED
            BASED ON RADAR.

0337 PM     TSTM WND DMG     NASHVILLE               36.17N  86.78W
04/19/2015                   DAVIDSON           TN   TWITTER

            TREE BLOCKING PENNINGTON BEND ROAD NEAR GRACE CHURCH

0425 PM     TSTM WND DMG     2 E NORMANDY            35.45N  86.22W
04/19/2015                   COFFEE             TN   TWITTER

            3 TREES DOWN ON RILEY CREEK RD AT NORMANDY LAKE. TIME
            ESTIMATED BASED ON RADAR.

&&

EVENT NUMBER OHX1500490 OHX1500489 OHX1500491

31

Special weather statement, Apr 19, 6:53 PM CDT, 4 hours 37 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
653 PM CDT SUN APR 19 2015

TNZ005-023-200030-
HOUSTON-STEWART-
653 PM CDT SUN APR 19 2015

...SIGNIFICANT WEATHER ADVISORY FOR HOUSTON AND STEWART COUNTIES...

AT 650 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR DOVER...MOVING EAST AT 30 MPH.

PEOPLE IN AND AROUND HOUSTON COUNTY AIRPORT...TENNESSEE RIDGE AND
ERIN SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD
SEVERE WEATHER THREATEN.

HALF INCH SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3648 8802 3646 8765 3624 8763 3629 8795
      3635 8798 3637 8801 3640 8803

13

Special weather statement, Apr 19, 8:09 PM CDT, 3 hours 21 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
809 PM CDT SUN APR 19 2015

TNZ026-027-200130-
CHEATHAM-DAVIDSON-
809 PM CDT SUN APR 19 2015

...SIGNIFICANT WEATHER ADVISORY FOR CHEATHAM AND DAVIDSON COUNTIES...

AT 806 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR NASHVILLE...MOVING EAST AT 35 MPH.

SOME LOCATIONS IN THE PATH INCLUDE BELLS BEND...BEAMAN PARK...WHITES
CREEK...BELLE MEADE...NASHVILLE...BERRY HILL AND MADISON.

WINDS 30 TO 40 MPH ARE EXPECTED WITH THIS STORM.

LAT...LON 3630 8666 3603 8662 3610 8711 3631 8696

13

Local storm report, Apr 19, 8:43 PM CDT, 2 hours 47 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
843 PM CDT SUN APR 19 2015

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

0333 PM     TSTM WND DMG     3 NE NASHVILLE          36.20N  86.75W
04/19/2015                   DAVIDSON           TN   EMERGENCY MNGR

            ELECTRICAL WIRES DOWN IN EAST NASHVILLE. TIME ESTIMATED
            BASED ON RADAR.

0337 PM     TSTM WND DMG     NASHVILLE               36.17N  86.78W
04/19/2015                   DAVIDSON           TN   TWITTER

            TREE BLOCKING PENNINGTON BEND ROAD NEAR GRACE CHURCH

0425 PM     TSTM WND DMG     2 E NORMANDY            35.45N  86.22W
04/19/2015                   COFFEE             TN   TWITTER

            3 TREES DOWN ON RILEY CREEK RD AT NORMANDY LAKE. TIME
            ESTIMATED BASED ON RADAR.

0730 PM     HAIL             7 N CHARLOTTE           36.29N  87.35W
04/19/2015  M0.70 INCH       DICKSON            TN   FACEBOOK

            DIME SIZE HAIL WAS REPORTED AT CUMBERLAND FURNACE.

&&

EVENT NUMBER OHX1500490 OHX1500489 OHX1500491 OHX1500492

SH

Special weather statement, Apr 19, 11:00 PM CDT, 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1100 PM CDT SUN APR 19 2015

TNZ005-200430-
STEWART-
1100 PM CDT SUN APR 19 2015

...SIGNIFICANT WEATHER ADVISORY FOR STEWART COUNTY...

AT 1057 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM MURRAY TO
SPRINGVILLE...MOVING NORTHEAST AT 45 MPH.

PEOPLE IN AND AROUND LAND BETWEEN THE LAKES...DOVER...INDIAN MOUND
AND BIG ROCK SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD
SEVERE WEATHER THREATEN.

WINDS AROUND 40 MPH ARE EXPECTED WITH THESE STORMS.

LAT...LON 3667 8785 3664 8784 3665 8765 3663 8764
      3642 8766 3636 8800 3644 8806 3650 8806
      3652 8804 3657 8804 3667 8808 3668 8798

13

Special weather statement, Apr 19, 11:30 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1130 PM CDT SUN APR 19 2015

TNZ005-006-200515-
MONTGOMERY-STEWART-
1130 PM CDT SUN APR 19 2015

...SIGNIFICANT WEATHER ADVISORY FOR MONTGOMERY AND STEWART
COUNTIES...

AT 1127 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES
NORTH OF BIG ROCK TO TENNESSEE RIDGE...MOVING EAST AT 45 MPH.

PEOPLE IN AND AROUND INDIAN MOUND...BIG ROCK...WOODLAWN...PALMYRA AND
CLARKSVILLE SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD
SEVERE WEATHER THREATEN.

WINDS AROUND 40 MPH ARE EXPECTED WITH THESE STORMS.

LAT...LON 3646 8719 3638 8780 3664 8780 3665 8717

13

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, 11:33 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, 3:59 AM CDT	River Flood Advisory	OHX	Montgomery	20 hr
Apr 20, 12:05 PM CDT	River Flood Advisory	OHX	Perry	37 hr

Nearby

Special Weather Statements in Tennessee, 2015 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.