Alert archive / Tennessee / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 76, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jun 2, 1989, 2:28 PM EDT for Polk County, Tennessee. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Jun 2, 1989, 2:28 PM EDT (18:28 UTC)
- Expired
- Jun 2, 1989, 3:15 PM EDT
- In force
- 47 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Polk 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
Athens Municipal, GA (KAHN), launched 12:00Z, 6.5 hours before the alert went out and 172 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
- 930 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1441 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 2 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 KCHA 021832
SVRCHA
TNC139-021915-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
228 PM EDT FRI JUN 2 1989
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST TENNESSEE
...POLK
AT 225PM EDT WEATHER RADAR INDICATED POSSIBLE SEVERE THUNDERSTORMS
MOVING INTO THE WESTERN SECTIONS OF POLK COUNTY. THESE THUNDERSTORMS
ARE MOVING TOWARD THE EASTNORTHEAST AT AROUND 25 MPH.
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.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, Jun 2, 12:46 PM EDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 1240 PM EDT FRI JUN 2 1989 ...SCATTERED THUNDERSTORMS DEVELOPING OVER NORTHWEST GEORGIA... SCATTERED SHOWERS AND THUNDERSTORMS HAVE BEEN INCREASING OVER NORTHWEST GEORGIA DURING THE PAST HOUR. AT 1230 PM EDT RADAR SHOWED THE STRONGEST THUNDERSTORMS IN A LINE THAT EXTENDED FROM CHATTANOOGA TENNESSEE SOUTHWARD THROUGH LA FAYETTE TO SUMMERVILLE TO THE ALABAMA BORDER WEST OF CAVE SPRINGS. THE STRONGEST THUNDERSTORMS WERE NEAR TRION AND ABOUT 15 MILES WEST OF CAVE SPRINGS. THIS LINE WAS MOVING TO THE EAST AT ABOUT 25 MILES AN HOUR. THIS LINE OF THUNDERSTORMS SHOULD CONTINUE TO MOVE ACROSS NORTHWEST GEORGIA EARLY THIS AFTERNOON. SCATTERED THUNDERSTORMS WILL DEVELOPE ELSEWHERE ACROSS NORTHWEST GEORGIA DURING THE AFTERNOON FROM THE INTENSE HEATING. THE STRONGEST THUNDERSTORMS COULD PRODUCE STRONG GUSTY WINDS...HAIL...DANGEROUS CLOUD TO GROUND LIGHTNING...AND LOCALLY? HEAVY RAINFALL. PERSONS ACROSS NORTHWEST GEORGIA SHOULD BE ON THE LOOKOUT FOR THESE STORMS THIS AFTERNOON AND TAKE APPROPRIATE PRECAUTIONS.
Local storm report, Jun 2, 12:58 PM EDT, 1 hour 30 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE MACON GA 1255 PM EDT FRI JUN 2 1989 COUNTY..... CRAWFORD SOURCE..... FLINT EMC TIME...... 600 PM EDT LOCATION... NEAR KNOXVILLE GA. TYPE STORM. SEVERE THUNDERSTORM WIDTH...... NA LENGTH..... NA HAIL....... NONE REPORTED DAMAGE..... TREES/POWER LINES BLOWN DOWN. TREES...... SEVERAL TREES BLOWN DOWN NEAR KNOXVILLE. INJURES.... NA COST....... UNKNOWN WATCHES.... NONE WARNINGS... SEVERE THUNDERSTORM WLARNING IN EFFECT
Special weather statement, Jun 2, 2:12 PM EDT, 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 210 PM EDT FRI JUN 2 1989 SCATTERED SHOWERS AND THUNDERSTORMS HAVE CONTINUED TO DEVELOPE ACROSS NORTHWEST GEORGIA THIS AFTERNOON. AT 200 PM EDT RADAR SHOWED A LINE OF THUNDERSTORMS FROM CHATSWORTH SOUTHWARD TO CALHOUN TO NEAR ROCKMART. THIS LINE WAS MOVING EAST AT 25 MILES AN HOUR. OTHER SCATTERED THUNDERSTORMS HAVE FORMED AROUND THE LA GRANGE... MANCHESTER...AND THOMASTON VICINITIES. THESE THUNDERSTORMS WERE MOVING TO THE EAST NORTHEAST AT ABOUT 20 MILES AN HOUR. THE STRONGEST THUNDERSTORMS WERE IN THE CHATSWORTH VICINITY... JUST NORTHWEST OF LAKE ALATOONA...AND NEAR MANCHESTER. THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...SMALL HAIL ...DANGEROUS CLOUD TO GROUND LIGHTNING...AND LOCALLY HEAVY RAIN. BOATERS ON LAKES...ESPECIALLY LAKE ALATOONA SHOULD BE PARTICULARLY ALERT TO THE APPROACH OF THESE THUNDERSTORMS AND SEEK SHELTER. RESIDENTS ELSEWHERE ACROSS NORTHWEST GEORGIA SHOULD REMAIN ALERT TO THESE THUNDERSTORMS AND TAKE APPROPRIATE ACTION.
Nearby
Severe Thunderstorm Warnings in Tennessee, 1989Every severe thunderstorm warning in 1989
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.