Alert archive / Tennessee / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 206, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jun 22, 1990, 10:32 PM EDT for Bradley County, McMinn County, Tennessee. It was in force for 43 min. 2 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
- Jun 22, 1990, 10:32 PM EDT (02:32 UTC)
- Expired
- Jun 22, 1990, 11:15 PM EDT
- In force
- 43 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Bradley County, TN, McMinn County, TN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 22, 10:35 PM EDT | Hail 1.75 | Mcminn, TN | |
| Jun 22, 11:00 PM EDT | Thunderstorm Wind 0 | Bradley, 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 00:00Z, 2.5 hours before the alert went out and 192 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
- 903 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1174 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCHA 230233 SVRCHA TNC011-107-230315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHATTANOOGA TENNESSEE 1032 PM EDT FRI JUN 22 1990 THE NATIONAL WEATHER SERVICE IN CHATTANOOGA TENNESSEE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS IN SOUTHEAST TENNESSEE ...NORTHERN BRADLEY COUNTY...SOUTHERN MCMINN COUNTY AT 1030 PM EDT THE CHATTANOOGA WEATHER RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO NORTHERN BRADLEY COUNTY. THIS SAME STORM DROPPED MARBLE SIZE HAIL IN THE RED BANK AREA OF CHATTANOOGA AS IT PASSED THROUGH. THE STORM IS MOVING TO THE NORTHEAST AROUND 25 MPH AND WILL CROSS NORTHERN BRADLEY COUNTY INTO SOUTHERN MCMINN COUNTY SHORTLY. 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, Jun 22, 6:42 PM EDT, 3 hours 50 minutes before
GAZ003-230100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 640 PM EDT FRI JUN 22 1990 AT 635 PM EDT RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS WEST OF ATLANTA FROM JUST WEST OF PALMETTO IN SOUTHERN FULTON COUNTY TO JUST SOUTH OF CARROLLTON. THESE STORMS WERE PRODUCING BRIEF HEAVY RAIN AND STRONG GUSTY WINDS AS THEY MOVED SOUTHEAST AT 15 MPH. RADAR GAVE INDICATION THAT HAIL MAY BE OCCURRING WITH SOME OF THE STORMS. THESE THUNDERSTORMS ARE EXPECTED TO MOVE INTO HEARD...COWETA... AND FAYETTE COUNTIES SHORTLY. PEOPLE IN FRANKLIN...NEWNAN... FAYETTEVILLE AND SURROUNDING AREAS SHOULD BE PREPARED TO SEEK SHELTER AS THESE STORM APPROACH FROM THE NORTHWEST.
Special weather statement, Jun 22, 7:43 PM EDT, 2 hours 49 minutes before
GAZ003-230130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 742 PM EDT FRI JUN 22 1990 AT 740 PM EDT STRONG THUNDERSTORMS WERE ROLLING THROUGH ATLANTA AND COUNTIES TO THE SOUTH AND WEST. RADAR SHOWED A LINE OF STORMS EXTENDING FROM STONE MOUNTAIN TO NEWNAN TO FRANKLIN. VERY HEAVY RAIN AND STRONG GUSTY WINDS WERE ACCOMPANYING THE STORMS AS THEY MOVED SOUTHEAST AT 15 MPH. AT 725 PM WINDS AT ATLANTA'S HARTSFIELD INTERNATIONAL AIRPORT GUSTED TO 46 MPH. RADAR INDICATED THE POSSIBILITY OF HAIL WITH SOME OF THE STORMS. THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE MOVING SOUTHEAST INTO LA GRANGE...GRIFFIN...JONESBORO...MC DONOUGH...CONYERS AND SURROUNDING AREAS SHORTLY. BE PREPARED TO SEEK SHELTER AS THESE STORMS APPROACH FROM THE NORTHWEST.
Special weather statement, Jun 22, 8:31 PM EDT, 2 hours 1 minute before
GAZ005-011-230230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 830 PM EDT FRI JUN 22 1990 AT 825 PM EDT WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS STRETCHING FROM NEAR WOODBURY GEORGIA THROUGH NORTHERN HARRIS COUNTY SOUTHWEST TO NEAR OPELIKA ALABAMA. THIS LINE WAS MOVING TOWARD THE SOUTHEAST AT 20 MILES AN HOUR. THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE MOVING SOUTHEAST INTO PHENIX CITY ALABAMA AND COLUMBUS GEORGIA AN D SURROUNDING AREAS IN THE NEXT ONE TO TWO HOURS. PERSONS NEAR THESE THUNDERSTORMS CAN EXPECT HEAVY DOWNPOURS... DANGEROUS LIGHTNING...GUSTY WINDS AND POSSIBLY SOME SMALL HAIL AS THE LINE MOVES THROUGH THIS AREA.
Special weather statement, Jun 22, 8:42 PM EDT, 1 hour 50 minutes before
GAZ003-230200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 842 PM EDT FRI JUN 22 1990 AT 840 PM EDT THUNDERSTORMS HAD WEAKENED IN NORTHWEST GEORGIA. AT THAT TIME THEY STRETCHED FROM N*EAR MC DONOUGH TO NEAR GRIFFIN TO NEAR LA GRANGE...BUT WERE NOT NEARLY AS STRONG AS THEY WERE EARLIER THIS EVENING WHEN THEY PASSED THROUGH THE ATLANTA METROPOLITAN AREA. MOVEMENT WAS TO THE SOUTHEAST AT 20 MPH.
Local storm report, Jun 22, 9:22 PM EDT, 1 hour 10 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATLANTA, GA 920 PM EDT FRI JUN 23 1990 COUNTY...... TROUP SOURCE...... LA GRANGE POLICE DEPT TIME........ BETWEEN 8PM AND 845 PM EDT LOCATION.... OVER THE oCOUNTY TYPE STORM.. THUNDERSTORM DAMAGE/TREES.. TREES DOWN IN SEVERAL AREAS HAIL........ UNKNOWN INJURIES.... NONE DEATHS...... NONE COSTS....... UNKNOWN
Special weather statement, Jun 22, 9:30 PM EDT, 1 hour 2 minutes before
GAZ006-230320- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 925 PM EDT FRI JUN 22 1990 AT 920 PM WEATHER RADAR IN MACON SHOWED STRONG THUNDERSTORMS MOVING INTO CENTRAL GEORGIA. THESE THUNDERSTORMS WERE NEAR FORSYTH GEORGIA AND EXTENDED SOUTHWEST COLUMBUS. MOVEMENT WAS SOUTHEAST AT 25 MPH. STRONG GUSTY WINDS..HEAVY RAINFALL..FREQUENT CLOUD TO GROUND LIGHTNING AND HAIL MAY ACCOMPANY THESE THUNDERSTORMS AS THEY MOVE ACROSS THE AREA DURING THE NEXT COUPLE OF HOURS. THESE THUNDERSTORMS WILL BE MOVING INTO CRAWFORD AND BIBB COUNTIES DURING THE NEXT HOUR. PEOPLE IN THE PATH OF THESE STORMS SHOULD REMAIN ALERT AND BE PREPARED TO SHEEK SAFE SHELTER IF THE THUNDERSTORMS WORSEN. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEW MEDIA FOR ADDITIONAL STATMENTS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 10:08 PM EDT | Severe Thunderstorm Warning | FFC | Hamilton | 52 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.