Alert archive / Tennessee / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 9, NWS Nashville, TN

February 27, 1996Cheatham County, Robertson County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Feb 27, 1996, 6:09 PM CST for Cheatham County, Robertson County, Tennessee. It was in force for 51 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Feb 27, 1996, 6:09 PM CST (00:09 UTC)
Expired: Feb 27, 1996, 7:00 PM CST
In force: 51 min
Issued by: NWS Nashville, TN
Area: Whole counties

Counties Cheatham County, TN, Robertson County, TN

The radar

The Nashville radar (KOHX), 41 km from the middle of the area, began a volume at 00:12 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.

What was reported inside it

Time	Report	Where	Remark
Feb 27, 6:15 PM CST	Hail 1.75	Pleasant View, TN
Feb 27, 6:15 PM CST	Hail 1.75	Pleasant View, TN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.2 hours before the alert went out and 45 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: 258 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 867 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 276 m²/s²
0-3 km storm-relative helicity: 314 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KBNA 280012 RRA
SVRBNA
TNC021-147-280100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
609 PM CST TUE FEB 27 1996
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN MIDDLE TENNESSEE
 
   ...NORTHERN CHEATHAM COUNTY...ROBERTSON COUNTY
 
AT 607 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 5
MILES NORTH OF ASHLAND CITY. THE STORM WAS MOVING NORTHEAST AT AROUND 25
MPH...AND WILL REACH SPRINGFIELD BY 640 PM. YOU SHOULD TAKE COVER
IMMEDIATELY.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
TT

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 27, 1:49 PM CST, 4 hours 20 minutes earlier.

Area forecast discussion, Feb 27, 1:49 PM CST, 4 hours 20 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE, TN
140 PM TUE FEB 27 1995

CDFNT CURRNTLY NR CMI-CGI-LIT LN WITH RW/T+RW+ DVLPG ALONG IT.  AREA
OF RW/TRW- ACRS MD-STATE THIS AFTN IN RESPONCE TO ISENT LIFT AND UPR
DISTURBNC.  SFC CDFNT PROGGD TO NR BNA ARND 05Z WITH BST UPR SUPPORT
MOVG NE.  AMS RMNS JUICY WITH DWPTS ARND 60...LI`S -2 TO -4...AND
DCNT UVV.  ATTM...FEEL CHC FOR SVR WX ACRS MD-STATE NOT TO GREAT
...LCLLY SVR PSBL...W/UPR SUPPORT MOVG SO FAR N W/CUT-OFF LOS.  FEEL
PRETTY CONFIDENT HOWEVR THAT GUD LN OF RWS/TRWS WL OCCUR ALONG OR JUST
AHEAD OF CDFNT.  NOCTURNL CONDITNS WL LKLY HELP SURPRESS SVRITY.  CDFNT
WELL E OF FA BY 12Z WED BUT W/SEVERL UPR DISTURBNCS HANGG BACK AND RESIDUAL
MSTR...XPCT CLDS AND/OR RW- TO CONT INTO MD-MRNG.  THINGS DRY-OUT RAPIDLY
18Z-00Z THU AS COLD CANADIAN HI BUILD S ACRS RGN.  DON`T XPCT TEMPS TO
MAKE MUCH PROGRESS WED.

COLD CLR WX XPCTD THU W/HI PRES AND DRY AMS IN PLACE.

                    BNA 38/42/18/36 9100

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 27, 6:47 PM CST	Severe Thunderstorm Warning	OHX	Sumner	43 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1996 Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.