Alert archive / Tennessee / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 207, NWS Nashville, TN

May 21, 2006Hickman County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 21, 2006, 2:52 AM CDT for Hickman County, Tennessee. It was in force for 17 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 21, 2006, 2:52 AM CDT (07:52 UTC)
Expired: May 21, 2006, 3:09 AM CDT
In force: 17 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Hickman County, TN

The radar

The Nashville radar (KOHX), 96 km from the middle of the area, began a volume at 07:54 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, 7.9 hours before the alert went out and 87 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1030 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 275 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at May 20, 8:34 PM CDT, 6 hours 18 minutes earlier.

Area forecast discussion, May 20, 8:34 PM CDT, 6 hours 18 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
834 PM CDT SAT MAY 20 2006

.DISCUSSION...
STRONG STORMS...SOME SEVERE...HAVE BEEN OCCURRING ALONG THE FRONTAL
BOUNDARY LOCATED THROUGH OUR SOUTHERN COUNTIES.  A WATCH FOR SEVEN OF
OUR SOUTHWESTERN COUNTIES REMAINS IN EFFECT UNTIL 1AM. TEMPERATURES
WERE IN THE MID 80S SOUTH OF THE BOUNDARY WITH MID 60S REPORTED IN
THE MID STATE MOST NORTHWESTERN COUNTIES. WILL UPDATE TO RAISE
THE POPS IN THE SOUTHERN ZONES AND AGAIN LATER TONIGHT WILL UPDATE
MOST ZONES FOR THE MIDNIGHT WORDING.  LATER I WILL HAVE TO UPDATE FOR
THE THUNDERSTORM ACTIVITY ALONG THE FRONTAL BOUNDARY AS IT WEAKENS.
LIGHT RAIN WITH ISOLATED SHOWERS IS MOVING FROM KENTUCKY INTO THE
NORTHERN COUNTIES BUT THE CURRENT 30 TO 40 PERCENT POPS LOOK ON
TARGET. NO OTHER CHANGES NEEDED

&&

31

Hazardous weather outlook, May 20, 3:30 AM CDT, 23 hours 22 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
330 AM CDT SAT MAY 20 2006

TNZ005>011-022>034-056>066-075-077>080-093>095-211030-
BEDFORD-BENTON-CANNON-CHEATHAM-CLAY-COFFEE-CUMBERLAND-DAVIDSON-
DEKALB-DICKSON-FENTRESS-GILES-GRUNDY-HICKMAN-HOUSTON-HUMPHREYS-
JACKSON-LAWRENCE-LEWIS-MACON-MARSHALL-MAURY-MONTGOMERY-OVERTON-PERRY-
PICKETT-PUTNAM-ROBERTSON-RUTHERFORD-SMITH-STEWART-SUMNER-TROUSDALE-
VAN BUREN-WARREN-WAYNE-WHITE-WILLIAMSON-WILSON-
330 AM CDT SAT MAY 20 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF MIDDLE
TENNESSEE.

.DAY ONE...TODAY AND TONIGHT
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP LATER TODAY AND
TONIGHT.  THE BEST CHANCE OF THUNDERSTORMS WILL BE OVER SOUTH AND
WEST PORTIONS OF MIDDLE TENNESSEE. AN OLD FRONTAL BOUNDARY AND UPPER
LEVEL DISTURBANCES MOVING SOUTHEAST WILL PROVIDE THE FOCUS FOR
ISOLATED SEVERE STORMS...WITH HAIL AND DAMAGING WINDS BEING THE MAIN
THREATS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
THUNDERSTORM COMPLEXES WILL POSSIBLY MOVE SOUTHEAST ACROSS THE
MIDSTATE ON SUNDAY...AND AGAIN ON WEDNESDAY AND THURSDAY.
CONSEQUENTLY...THERE IS A SLIGHT RISK OF SEVERE WEATHER DURING THESE
PERIODS.

.SPOTTER INFORMATION STATEMENT...
BECAUSE OF THE ISOLATED NATURE OF SEVERE WEATHER...SPOTTER AND
EMERGENCY MANAGER ACTIVATION IS NOT LIKELY.

GIRODO

In the hours before

Special weather statement, May 20, 9:46 PM CDT, 5 hours 6 minutes before

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Local storm report, May 20, 11:38 PM CDT, 3 hours 14 minutes before

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Local storm report, May 21, 12:35 AM CDT, 2 hours 17 minutes before

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<head>
  <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.
      </p>
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 8:13 PM CDT	Severe Thunderstorm Warning	OHX	Lewis	32 min
May 20, 8:49 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence	26 min
May 20, 8:56 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall	34 min
May 20, 9:05 PM CDT	Severe Thunderstorm Warning	OHX	Grundy	25 min
May 20, 10:25 PM CDT	Severe Thunderstorm Warning	OHX	Perry, Wayne	35 min
May 20, 10:53 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	37 min
May 20, 11:23 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence	37 min
May 21, 1:19 AM CDT	Severe Thunderstorm Warning	OHX	Coffee, Grundy	26 min
May 21, 8:12 AM CDT	Severe Thunderstorm Warning	OHX	Benton	18 min
May 21, 8:20 AM CDT	Severe Thunderstorm Warning	OHX	Williamson	25 min
May 21, 8:22 AM CDT	Severe Thunderstorm Warning	OHX	Humphreys	23 min
May 21, 8:48 AM CDT	Severe Thunderstorm Warning	OHX	Hickman	27 min
May 21, 8:53 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford	22 min
May 21, 8:55 AM CDT	Severe Thunderstorm Warning	OHX	Williamson	20 min
May 21, 3:53 PM CDT	Severe Thunderstorm Warning	OHX	Wayne	37 min
May 21, 4:39 PM CDT	Severe Thunderstorm Warning	OHX	Giles	36 min
May 21, 6:31 PM CDT	Severe Thunderstorm Warning	OHX	Lewis, Perry	59 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2006 Every severe thunderstorm warning in 2006

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.