Alert archive / Tennessee / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 21, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Mar 27, 1991, 4:03 PM CST for Cheatham County, Davidson County, Robertson County, Tennessee. It was in force for 27 min. 3 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
- Mar 27, 1991, 4:03 PM CST (22:03 UTC)
- Expired
- Mar 27, 1991, 4:30 PM CST
- In force
- 27 min
- Issued by
- NWS Nashville, TN
- Area
- Whole counties
Counties Cheatham County, TN, Davidson County, TN, Robertson County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 27, 4:15 PM CST | Thunderstorm Wind 0 | Davidson, TN | |
| Mar 27, 4:20 PM CST | Hail 1 | Robertson, TN | |
| Mar 27, 4:30 PM CST | Thunderstorm Wind 0 | Davidson, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.1 hours before the alert went out and 35 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1045 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 289 m²/s²
- 0-3 km storm-relative helicity
- 308 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBNA 272202 SVRBNA TNC021-037-147-272230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NASHVILLE TN 403 PM CST WED MAR 27 1991 THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN MIDDLE TENNESSEE ...CHEATHAM COUNTY...DAVIDSON COUNTY...ROBERTSON COUNTY AT 400 PM CST WEATHER SERVICE RADAR IN NASHVILLE INDICATES SEVERE THUNDERSTORMS MOVING THROUGH ROBERTSON AND CHEATHAM COUNTIES AND THIS ACTIVITY WILL BE AFFECTING DAVIDSON COUNTY AND THE NASHVILLE METROPOLITAN AREA WITHIN THE NEXT FEW MINUTES. THE SEVERE THUNDERSTORMS WERE MOVING EAST AT 50 MILES AN HOUR. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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 27, 2:41 PM CST, 1 hour 22 minutes before
TNZ007-008-009-010-011-272145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NASHVILLE TN 238 PM CST WED MAR 27 1991 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR PARTS OF MIDDLE TENNESSEE... AT 230 PM CST...A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS LOCATED FROM EAST OF HOPKINSVILLE IN SOUTH CENTRAL KENTUCKY THROUGH THE NORTHWEST CORNER OF MIDDLE TENNESSEE TO NORTH OF SAVANNAH IN MIDDLTENNESSEE. THUNDERSTORMS3 WERE ALSO SCATTERED ACROSS WEST TENNESSEE...WESTERN KENTUCKY AND SOUTH CENTRAL KENTUCKY. THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR.
Special weather statement, Mar 27, 3:39 PM CST, 24 minutes before
TNZ007-008-009-010-011-272145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NASHVILLE TN 330 PM CST WED MAR 27 1991 ...A TORNADO WATCH CONTINUES FOR PARTS OF MIDDLE TENNESSEE... AT 330 PM CST...A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS LOCATED OVER MIDDLE TENNESSEE AND SOUTH CENTRAL KENTUCKY FROM LINDEN TENNESSEE TO NEAR BOWLING GREEN KENTUCKY. THUNDERSTORMS WERE ALSO SCATTERED ACROSS WEST TENNESSEE...WESTERN KENTUCKY AND SOUTH CENTRAL KENTUCKY. HAIL AND STRONG GUSTY WINDS WERE REPORTED IN ROBERTSON COUNTY DURING THE LAST FEW MINUTES. THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR.
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 2:51 PM CST | Severe Thunderstorm Warning | OHX | Humphreys, Perry | 39 min |
| Mar 27, 3:19 PM CST | Severe Thunderstorm Warning | OHX | Robertson | 26 min |
| Mar 27, 3:33 PM CST | Severe Thunderstorm Warning | OHX | Hickman, Lewis | 42 min |
| Mar 27, 3:49 PM CST | Severe Thunderstorm Warning | OHX | Hickman, Maury, Williamson | 41 min |
| Mar 27, 4:18 PM CST | Severe Thunderstorm Warning | OHX | Rutherford, Wilson | 42 min |
| Mar 27, 4:18 PM CST | Severe Thunderstorm Warning | OHX | Sumner | 42 min |
| Mar 27, 4:46 PM CST | Severe Thunderstorm Warning | OHX | Macon, Smith, Trousdale | 44 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1991Every severe thunderstorm warning in 1991
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.