Alert archive / Tennessee / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 9, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Aug 9, 1990, 7:55 PM CDT for Macon County, Smith County, Tennessee. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Aug 9, 1990, 7:55 PM CDT (00:55 UTC)
- Expired
- Aug 9, 1990, 9:00 PM CDT
- In force
- 65 min
- Issued by
- NWS Nashville, TN
- Area
- Whole counties
Counties Macon County, TN, Smith 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, 0.9 hours before the alert went out and 63 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
- 1281 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1398 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- -9 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 100059 SVRBNA TNC111-159-100200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NASHVILLE TN 755 PM CDT THU AUG 9 1990 THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN MIDDLE TENNESSEE ...MACON COUNTY...SMITH COUNTY A BAND OF SEVERE THUNDERSTORMS WAS LOCATED FROM GLASGOW KENTUCKY SOUTH TO CARTHAGE TENNESSEE. THE SHERIFF'S DEPARTMENT IN SMITH COUNTY REPORTED GOLF BALL SIZE HAIL AND FREQUENT LIGHTNING FROM THESE STORMS. THESE STORMS WERE MOVING SOUTH SO RESIDENTS CAN EXPECT NUMEROUS THUNDERSTORMS TO MOVE OVER THE SAME AREA. THIS COULD POSSIBLY CAUSE FLASH FLOODING IN LOW-LYING AREAS. RESIDENTS IN AREAS AFFECTED BY THESE STORMS SHOULD CONTINUE TO MONITOR NOAA WEATHER RADIO AND LOCAL TELEVISION AND RADIO BROADCAST TO KEEP ABREAST OF THE CURRENT SITUATION. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Aug 9, 6:39 PM CDT, 1 hour 16 minutes before
TNZ006-008-100045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NASHVILLE TN 636 PM CDT THU AUG 9 1990 AT 630 PM CDT...SEVERAL THUNDERSTORMS WITH HEAVY RAIN WERE OCCURRING OVER THE CUMBERLAND PLATEAU...THE ADJACENT AREAS OF EAST TENNESSEE AND EXTREME EASTERN MIDDLE TENNESSEE. THE THUNDERSTORMS WERE OCCURRING NEAR CARTHAGE IN MIDDLE TENNESSEE...OAK RIDGE AND DAYTON IN EAST TENNESSEE AND PIKEVILLE ON THE CUMBERLAND PLATEAU. THESE THUNDERSTORMS WILL BE ACCOMPANIED BY DANGEROUS LIGHTNING... HIGH WINDS AND HEAVY RAIN. MOTORISTS SHOULD BE ON THE LOOKOUT FOR STANDING WATER ON THE ROADS IN AREAS OF HEAVY RAIN. OTHER THUNDERSTORMS WERE OCCURRING ACROSS MUCH OF THE CUMBERLAND PLATEAU...THE NORTHEAST CORNER OF MIDDLE TENNESSEE AND IN SOUTH CENTRAL KENTUCKY SOUTH OF GLASGOW AND NEAR MAMMOTH CAVE. THE THUNDERSTORMS WERE MOVING SLOWLY TO THE SOUTH.
Special weather statement, Aug 9, 7:42 PM CDT, 13 minutes before
TNZ006-008-100145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NASHVILLE TN 738 PM CDT THU AUG 9 1990 AT 730 PM CDT...SEVERE THUNDERSTORMS AND HEAVY RAIN WERE OCCURRING IN A BAND FROM CENTER HILL LAKE NORTH TO NEAR GLASGOW KENTUCKY. THESE STORMS WERE PRODUCING VERY HEAVY RAIN AND DANGEROUS LIGHTNING. THUNDERSTORMS...SOME WITH HEAVY RAIN...WERE ALSO OCCURRING IN EAST TENNESSEE FROM CHATTANOOGA TO ATHENS AND NEAR LAKE CUMBERLAND AND CAMPBELLSVILLE IN SOUTH CENTRAL KENTUCKY. THESE THUNDERSTORMS WERE MOVING VERY SLOWLY SOUTH. RESIDENTS IN THESE AREAS SHOULD KEEP A WEATHER EYE ON THE SKY AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD THREATENING WEATHER OCCUR.
Nearby
Severe Thunderstorm Warnings in Tennessee, 1990Every severe thunderstorm warning in 1990
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.