Alert archive / Tennessee / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 142, NWS Nashville, TN

May 28, 2010Van Buren County, Warren County, White County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 28, 2010, 1:31 PM CDT for Van Buren County, Warren County, White County, Tennessee. It was in force for 29 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 28, 2010, 1:31 PM CDT (18:31 UTC)
Expired: May 28, 2010, 2:00 PM CDT
In force: 29 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Van Buren County, TN, Warren County, TN, White County, TN

The radar

The Northeast Alabama radar (KHTX), 104 km from the middle of the area, began a volume at 18:31 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 28, 12:52 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.5 hours before the alert went out and 102 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: 909 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 951 m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: -28 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 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 28, 1:30 PM CDT, 1 minute earlier.

Area forecast discussion, May 28, 1:30 PM CDT, 1 minute before

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Hazardous weather outlook, May 28, 11:27 AM CDT, 2 hours 4 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
1127 AM CDT FRI MAY 28 2010

TNZ005>011-022>034-056>066-075-077>080-093>095-291630-
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-BENTON-
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-
1127 AM CDT FRI MAY 28 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO
DEVELOP OVER MUCH OF THE MID STATE THIS AFTERNOON. A FEW
THUNDERSTORMS COULD BECOME SEVERE WITH DAMAGING WINDS AND LARGE
HAIL. IN ADDITION... STEERING CURRENTS WILL BE RELATIVELY WEAK
OVER THE EASTERN HALF OF THE AREA, WHICH MEANS THUNDERSTORMS WILL
BE SLOW-MOVING AND CAPABLE OF PRODUCING LOCALLY HEAVY RAINFALL...AND
PONDING OF WATER.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
AN UPPER LEVEL LOW PRESSURE SYSTEM WILL BECOME A MAINSTAY OVER THE
SOUTHEAST STATES SATURDAY INTO MONDAY. MORE SCATTERED AFTERNOON
AND EVENING PULSE THUNDERSTORMS ARE EXPECTED...SOME WITH STRONG
WINDS...HAIL AND LOCALLY HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...

REPORTS FROM TRAINED WEATHER SPOTTERS MAY BE NEEDED THIS AFTERNOON.

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

19

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 12:29 PM CDT	Severe Thunderstorm Warning	OHX	Warren	31 min
May 28, 12:44 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Grundy	31 min
May 28, 12:58 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Van Buren, White	32 min
May 28, 1:12 PM CDT	Severe Thunderstorm Warning	OHX	Grundy, Warren	33 min
May 28, 1:41 PM CDT	Severe Thunderstorm Warning	OHX	Putnam, White	34 min
May 28, 4:35 PM CDT	Severe Thunderstorm Warning	OHX	Marshall, Maury, Williamson	25 min
May 28, 4:47 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Wilson	14 min
May 28, 4:54 PM CDT	Severe Thunderstorm Warning	OHX	Lewis	36 min
May 28, 4:57 PM CDT	Severe Thunderstorm Warning	OHX	Marshall, Maury	5 min
May 28, 5:09 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Montgomery	36 min
May 28, 5:10 PM CDT	Areal Flood Advisory	OHX	Montgomery	2 hr
May 28, 5:23 PM CDT	Severe Thunderstorm Warning	OHX	Maury	37 min
May 28, 5:24 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Lewis, Wayne	36 min
May 28, 5:35 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Marshall	25 min
May 28, 5:49 PM CDT	Severe Thunderstorm Warning	OHX	Sumner	26 min
May 28, 5:51 PM CDT	Severe Thunderstorm Warning	OHX	Robertson, Sumner	24 min
May 28, 6:07 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Maury	23 min
May 28, 6:11 PM CDT	Severe Thunderstorm Warning	OHX	Sumner	19 min
May 28, 6:22 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Robertson, Sumner	23 min
May 28, 6:24 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Humphreys	14 min
May 28, 6:26 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence	34 min
May 28, 6:27 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Lewis, Maury	14 min
May 28, 6:44 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Robertson, Sumner	16 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2010 Every severe thunderstorm warning in 2010

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.