Alert archive / Tennessee / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 2, NWS Nashville, TN

March 7, 1994Humphreys County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Mar 7, 1994, 2:30 PM CST for Humphreys County, Tennessee. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Mar 7, 1994, 2:30 PM CST (20:30 UTC)
Expired
Mar 7, 1994, 3:15 PM CST
In force
45 min
Issued by
NWS Nashville, TN
Area
Whole counties

County Humphreys County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.5 hours before the alert went out and 106 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, Nashville Metro, TN at 12:00Z on 1994-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Nashville Metro, TN at 12:00Z on 1994-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.19395878Sfc1 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
3 J/kg
Mixed-layer CIN
-232 J/kg
Mixed-layer LCL
1397 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
24 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.

000 
TTAA00 KBNA 072031
SVRBNA
TNC085-072115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
230 PM CST MON MAR 7 1994
 
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  315 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN MIDDLE TENNESSEE
 
   ...HUMPHREYS COUNTY
 
AT 230 PM CST A SEVERE THUNDERSTORM WAS INDICATED BY WEATHER RADAR
5 MILES WEST OF WAVERLY TENNESSEE MOVING EAST AT 35 MILES AN HOUR.
 
THE SEVERE THUNDESTORM WILL MOVE OVER THE CITY OF WAVERLY DURING THE
NEXT FEW MINUTES.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE8 TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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.

In the hours before

Special weather statement, Mar 7, 1:41 PM CST, 49 minutes before
TNZ005-006-007-008-009-010-023-024-025-026-027-028-029-030-031-
032-033-056-057-058-059-060-061-062-063-064-065-075-076-077-078-
093-094-095-096-097-072045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
141 PM CST MON MAR 7 1994

...STRONG THUNDERSTORMS MOVING ACROSS NORTHERN MIDDLE TENNESSEE...

AT 130 PM CST...THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER NORTHERN
MIDDLE TENNESSEE...BETWEEN CLARKSVILLE AND SPRINGFIELD.

SCATTERED SHOWERS AND THUNDERSTORMS WERE OVER THE REST OF THE NORTHWEST
CORNER OF MIDDLE TENNESSEE...EXTENDING OVER WEST AND CENTRAL KENTUCKY.

MOVEMENT WAS EAST AT 35 MILES AN HOUR.

PEOPLE LIVING IN ROBERTSON COUNTY SHOULD KEEP AN EYE ON THE SKY.  THE
STORM NEAR SPRINGFIELD WILL BRING BRIEF GUSTY WINDS...DEADLY LIGHTNING
...AND SMALL HAIL.  MOVE INDOORS AND STAY AWAY FROM WINDOWS WHEN THE
STORM HITS.
Special weather statement, Mar 7, 1:41 PM CST, 49 minutes before
TNZ005-006-007-008-009-010-023-024-025-026-027-028-029-030-031-
032-033-056-057-058-059-060-061-062-063-064-065-075-076-077-078-
093-094-095-096-097-072045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
141 PM CST MON MAR 7 1994

...STRONG THUNDERSTORMS MOVING ACROSS NORTHERN MIDDLE TENNESSEE...

AT 130 PM CST...THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER NORTHERN
MIDDLE TENNESSEE...BETWEEN CLARKSVILLE AND SPRINGFIELD.

SCATTERED SHOWERS AND THUNDERSTORMS WERE OVER THE REST OF THE NORTHWEST
CORNER OF MIDDLE TENNESSEE...EXTENDING OVER WEST AND CENTRAL KENTUCKY.

MOVEMENT WAS EAST AT 35 MILES AN HOUR.

PEOPLE LIVING IN ROBERTSON COUNTY SHOULD KEEP AN EYE ON THE SKY.  THE
STORM NEAR SPRINGFIELD WILL BRING BRIEF GUSTY WINDS...DEADLY LIGHTNING
...AND SMALL HAIL.  MOVE INDOORS AND STAY AWAY FROM WINDOWS WHEN THE
STORM HITS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 1:48 PM CSTSevere Thunderstorm WarningOHXRobertson, Sumner57 min
Mar 7, 3:09 PM CSTSevere Thunderstorm WarningOHXDickson66 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1994Every severe thunderstorm warning in 1994

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.