Alert archive / Tennessee / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 30, NWS Nashville, TN

February 11, 2000Coffee County, Franklin County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Feb 11, 2000, 10:50 PM CST for Coffee County, Franklin County, Tennessee. It was in force for 30 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: Feb 11, 2000, 10:50 PM CST (04:50 UTC)
Expired: Feb 11, 2000, 11:20 PM CST
In force: 30 min
Issued by: NWS Nashville, TN
Area: Whole counties

Counties Coffee County, TN, Franklin County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 4.8 hours before the alert went out and 101 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: 617 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 232 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

853 
WUUS54 KOHX 120450
SVRBNA
TNC031-051-120520-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1050 PM CST FRI FEB 11 2000

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COFFEE COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF MANCHESTER
  EXTREME NORTH CENTRAL FRANKLIN COUNTY IN TENNESSEE

* UNTIL 1120 PM CST

* AT 1046 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES NORTH OF TULLAHOMA...OR ABOUT 9 MILES
  SOUTHWEST OF MANCHESTER...MOVING EAST AT 45 MPH.

VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM MOVE TO A SUBSTANTIAL SHELTER.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN NASHVILLE.

DC/MAG

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 Feb 11, 8:50 PM CST, 2 hours earlier.

Area forecast discussion, Feb 11, 8:50 PM CST, 2 hours before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
850 PM CST FRI FEB 11 2000

SHRA/TSRA ACTIVITY THIS EVE SET OFF BY OVERRUNNING PATTERN N OF
STATIONARY FRONT...SHOWING UP BEST ON ETA LO LEVEL OMEGA FIELD...AND
BNA SOUNDING.  HEAVIEST RAIN...UP 3/4 TO 1 INCH...HAS BEEN FROM
PARSONS TO COLUMBIA IN THE W.  ETA PROGS OMEGA FEATURE TO MOVE NE W/
TIME AS IS CURRENT TREND.  HOWEVER...MORE INDIVIDUAL CELLS ARE
DEVLOPING OVER NE MS.  TEMPS RANGE FROM UPPER 30S NW TO UPPER 40S SE.

JUST HAD A REPORT OF SOME SMALL HAIL W/ CELLS IN NE MS AND SE WRN
TN...WILL UPDATE SW ZONES TO INCLUDE THUNDER AND POSSIBLE SMALL HAIL.

.BNA...NONE

MAG

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 11, 9:15 PM CST	Severe Thunderstorm Warning	OHX	Wayne	30 min
Feb 11, 10:16 PM CST	Severe Thunderstorm Warning	OHX	Bedford, Marshall	29 min
Feb 12, 1:58 AM CST	Severe Thunderstorm Warning	OHX	Lawrence	32 min
Feb 12, 2:49 AM CST	Severe Thunderstorm Warning	OHX	Lawrence	26 min
Feb 12, 2:57 AM CST	Severe Thunderstorm Warning	OHX	Franklin, Lincoln, Moore	33 min
Feb 12, 3:19 AM CST	Severe Thunderstorm Warning	OHX	Franklin, Grundy	26 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2000 Every severe thunderstorm warning in 2000

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.