Alert archive / Tennessee / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 4, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Mar 12, 1986, 8:00 PM CST for Wilson County, Tennessee. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Mar 12, 1986, 8:00 PM CST (02:00 UTC)
- Expired
- Mar 12, 1986, 9:00 PM CST
- In force
- 60 min
- Issued by
- NWS Nashville, TN
- Area
- Whole counties
County Wilson County, TN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 2.0 hours before the alert went out and 27 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.
- Mixed-layer CAPE
- 330 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 770 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 239 m²/s²
- 0-3 km storm-relative helicity
- 423 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBNA 130219 COR SVRBNA TNC003-149-189-130300- ZZZZZ BULLETIN..IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NASHVILLE TN 800 PM CST WED MAR 12 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM CST FOR PERSONS IN BEDFORD RUTHERFORD AND WILSON COUNTIES OF MIDDLE TENNESSEE. AT 755 PM CST RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS THAT HAD DEVELOPED IN THESE COUNTIES. THESE STORMS ARE MOVING TO THE NORTH AT 40 MILES AN HOUR. SEVERE THUNDERSTORMS MAY PRODUCE HEAVY RAIN, DAMAGING WINDS, LARGE HAIL AND FREQUENT LIGHTNING STRIKES IN THE WARNED AREA. IF THREATENING CONDITIONS ARE SIGHTED, TAKE SHELTER IMMEDIATELY. RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE THROUGH YOUR LOCAL POLICE AGENCY.
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 12, 4:21 PM CST, 3 hours 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NASHVILLE TN 415 PM CST WED MAR 12 1986 ...TORNADO WATCH IN EFFECT UNTIL 9 PM CST FOR MIDDLE TENNESSEE... STRONG THUNDERSTORMS HAD MOVED INTO ROBERTSON AND CHEATHAM COUNTIES IN NORTHERN MIDDLE TENNESSEE. THESE STORMS WERE MOVING NORTH AT 45 MILES AN HOUR. WEATHER SERVICE RADAR WAS INDICATING A LARGE AREA OF RAIN AND THUNDERSTORMS COVERING THE WESTERN HALF OF MIDDLE TENNESSEE AND A LARGE PART OF WEST TENNESSEE. RESIDENTS IN MIDDLE TENNESSEE SHOULD STAY ALERT TO THE CHANGING WEATHER CONDITIONS DURING THE NEXT SEVERAL HOURS. KEEP TUNED TO NOAA WEATHER RADIO OR COMMERCIAL BROADCASTS OVER RADIO OR T.V. FOR THE LATEST BULLETINS. ALSO BE PREPARED TO TAKE SHELTER IF SEVERE WEATHER DEVELOPS OR A WARNING IS ISSUED FOR YOUR AREA.
Special weather statement, Mar 12, 6:18 PM CST, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NASHVILLE TN 615 PM CST WED MAR 12 1986 ...TORNADO WATCH IN EFFECT UNTIL 9 PM CST FOR MIDDLE TENNESSEE... THUNDERSTORMS CONTINUE IN MIDDLE TENNESSEE WITH THE STRONGEST THUNDERSTORMS IN EASTERN DAVIDSON COUNTY AND IN MAURY COUNTY. WEATHER SERVICE RADAR CONTINUED TO SHOW WIDESPREAD RAIN AND THUNDERSTORM ACTIVITY OVER MUCH OF MIDDLE TENNESSEE AND THE ADJACENT PARTS OF KENTUCKY..NORTH ALABAMA AND WEST TENNESSEE. RESIDENTS IN MIDDLE TENNESSEE SHOULD STAY ALERT TO THE CHANGING WEATHER CONDITIONS DURING THE NEXT SEVERAL HOURS. KEEP TUNED TO NOAA WEATHER RADIO OR COMMERCIAL BROADCASTS OVER RADIO OR T.V. FOR THE LATEST BULLETINS. ALSO BE PDREPARED TO TAKE SHELTER IF SEVERE WEATHER DEVELOPS OR A WARNING IS ISSUED FOR YOUR AREA.
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 8:00 PM CST | Severe Thunderstorm Warning | OHX | Bedford, Rutherford | 60 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1986Every severe thunderstorm warning in 1986
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.