Alert archive / Tennessee / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 179, NWS Nashville, TN

May 2, 2006Warren County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 2, 2006, 7:17 PM CDT for Warren County, Tennessee. It was in force for 28 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 2, 2006, 7:17 PM CDT (00:17 UTC)
Expired
May 2, 2006, 7:45 PM CDT
In force
28 min
Issued by
NWS Nashville, TN
Area
Counties, with a storm outline in the text

County Warren County, TN

The radar

The Northeast Alabama radar (KHTX), 88 km from the middle of the area, began a volume at 00:18 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.3 hours before the alert went out and 282 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2006-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2006-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
133 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1726 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 2, 3:22 PM CDT, 3 hours 55 minutes earlier.

Area forecast discussion, May 2, 3:22 PM CDT, 3 hours 55 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
322 PM CDT TUE MAY 2 2006

.SHORT TERM...EXCEPT FOR A COUPLE OF SHOWERS, ALL THE EARLIER
PRECIPITATION HAS EITHER DISSIPATED OR LEFT THE MID STATE.
TEMPERATURES ARE FINALLY IN THE 70S, OR HEADED THERE, WITH
SURFACE HEATING EXPECTED TO CONTINUE INTO THE LATE AFTERNOON.

THE SURFACE MAP AT 20Z DOES SHOW A WEAK COLD FRONT RUNNING
THROUGH WESTERN KENTUCKY AND THE NORTHWEST CORNER OF TENNESSEE.
ATMOSPHERIC MODELS SHOW THE SAME BOUNDARY DROPPING THROUGH MIDDLE
TENNESSEE OVERNIGHT, THEN COMING BACK AS A WARM FRONT TOMORROW
AFTERNOON AND EVENING AS A SURFACE LOW DEVELOPS OVER THE SOUTHERN
PLAINS TONIGHT AND CARRIES ACROSS MISSOURI TOMORROW. THE LOW WILL
CONTINUE TO TRACK NORTH OF THE OHIO VALLEY, KEEPING MIDDLE
TENNESSEE UNDER A MARITIME TROPICAL INFLUENCE, AND DRAGGING
ANOTHER COLD FRONT INTO THE MID STATE BY 12Z THURSDAY.

OF NOTE, THE STORM PREDICTION CENTER DOES PAINT MIDDLE TENNESSEE
INSIDE THEIR DAY 3 SLIGHT RISK AREA (THURSDAY AND THURSDAY NIGHT).

.LONG TERM...THE AFOREMENTIONED BOUNDARY WONT PROVIDE A CLEAN
FRONTAL PASSAGE, BUT WILL INSTEAD LINGER FOR A COUPLE OF DAYS
UNTIL A STRONG GREAT LAKES LOW PRESSURE CENTER EVOLVES AND FINALLY
BRINGS THE 500 MB LONGWAVE ACROSS MIDDLE TENNESSEE. AT LEAST TWO
DAYS OF HIGH PRESSURE WILL FOLLOW.
&&

.PRELIMINARY POINT TEMPS/POPS...
NASHVILLE    57  81  61  78 /  30  30  30  40
CLARKSVILLE  55  79  62  77 /  20  30  40  40
CROSSVILLE   52  77  57  75 /  30  10  30  40
&&

.OHX WATCHES/WARNINGS/ADVISORIES...NONE.
&&

ROSE
Hazardous weather outlook, May 2, 5:00 AM CDT, 14 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
500 AM CDT TUE MAY 2 2006

TNZ005>011-022>034-056>066-075-077>080-093>095-031030-
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-
500 AM CDT TUE MAY 2 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF MIDDLE
TENNESSEE.

.DAY ONE...TODAY AND TONIGHT

A COLD FRONT WILL APPROACH OUR AREA BRINGING SCATTERED
THUNDERSTORMS TODAY. ISOLATED SEVERE STORMS CONTAINING HAIL AND
DAMAGING WINDS ARE POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

UNSETTLED WEATHER WILL AFFECT THE REGION WEDNESDAY THROUGH
EARLY SATURDAY AS A SERIES OF DISTURBANCES INTERACTS WITH A LINGERING
FRONT. A FEW STORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING
WINDS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED TODAY. SPOTTER ACTIVATION IS
ALSO POSSIBLE LATE WEDNESDAY THROUGH EARLY SATURDAY.

13

In the hours before

Local storm report, May 2, 6:16 PM CDT, 1 hour 1 minute before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 2:49 AM CDTSevere Thunderstorm WarningOHXLawrence, Wayne26 min
May 3, 3:05 AM CDTDense Fog AdvisoryOHXBedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more6 hr
May 3, 2:03 PM CDTSevere Thunderstorm WarningOHXGiles, Maury57 min
May 3, 3:11 PM CDTSevere Thunderstorm WarningOHXGiles58 min
May 3, 3:17 PM CDTSevere Thunderstorm WarningOHXLawrence52 min
May 3, 5:26 PM CDTSevere Thunderstorm WarningOHXStewart34 min
May 3, 5:59 PM CDTSevere Thunderstorm WarningOHXHumphreys31 min
May 3, 6:27 PM CDTSevere Thunderstorm WarningOHXHouston, Humphreys33 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2006Every 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.