Alert archive / Tennessee / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 95, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 28, 1990, 1:19 PM EDT for Bradley County, McMinn County, Tennessee. It was in force for 41 min. 1 report 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
- Apr 28, 1990, 1:19 PM EDT (17:19 UTC)
- Expired
- Apr 28, 1990, 2:00 PM EDT
- In force
- 41 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 |
|---|---|---|---|
| Apr 28, 1:30 PM EDT | Thunderstorm Wind 0 | Mcminn, 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, 5.3 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 101 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 281721 SVRCHA TNC011-107-281800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHATTANOOGA TENNESSEE 119 PM EDT SAT APR 28 1990 THE NATIONAL WEATHER SERVICE IN CHATTANOOGA TENNESSEE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS IN SOUTHEAST TENNESSEE ...NORTHERN BRADLEY COUNTY...MCMINN COUNTY AT 115PM EDT WEATHER RADAR INDICATED A SMALL CLUSTER OF SEVERE THUNDERSTORMS OVER EXTREME NORTHERN BRADLEY COUNTY EXTENDING NORTHWARD INTO SOUTHERN MCMINN COUNTY. HAIL WAS INDICATED IN THESE THUNDERSTORMS. THE THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 35 MPH. 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, Apr 28, 10:36 AM EDT, 2 hours 43 minutes before
GAZ001>015-290000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 1034 AM EDT SAT APR 28 1990 ...RISK OF SEVERE WEATHER OVER GEORGIA CONTINUES FOR THIS AFTERNOON AND TONIGHT... A FRONT AND ACCOMPANYING UPPER AIR SYSTEM NOW OVER THE MISSISSIPPI VALLEY WILL MOVE EAST TO AFFECT THE STATES WEATHER THIS AFTERNOON AND TONIGHT. THESE SYSTEMS WILL RESULT IN INCREASINGLY UNSTABLE CONDITONS. THUNDERSTORMS NOW OVER ALABAMA WILL MOVE INTO WEST GEORGIA THIS MORNING AND THIS AFTERNOON. OTHER THUNDERSTORMS WILL DEVELOP OVER THE REMAINDER OF THE STATE THIS AFTERNOON AND TONIGHT. THE ENTIRE STATE WILL REMAIN UNDER THE THREAT OF SEVERE WEATHER FROM THESE STORMS. AN AREA OF RAIN AND A FEW THUNDERSTORMS IN THE EAST WILL MOVE EASTWARD TO BE OUT OF THE STATE BY AFTERNOON. RAINFALL AMOUNTS NEAR 1.5 INCHES WERE REPORTED FROM THIS SYSTEM OVERNIGHT. PERSONS IN THE PEACH STATE SHOULD CLOSELY MONITOR THIS DEVELOPING WEATHER SITUATION AND BE ALERT FOR ANY WATCHES OR WARNINGS WHICH MAY BE ISSUED TODAY.
Special weather statement, Apr 28, 10:45 AM EDT, 2 hours 34 minutes before
GAZ001>015-290000- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE ATLANTA GA 1035 AM EDT SAT APR 28 1990 ...RISK OF SEVERE WEATHER OVER GEORGIA CONTINUES FOR THIS AFTERNOON AND TONIGHT... A FRONT AND ACCOMPANYING UPPER AIR SYSTEM NOW OVER THE MISSISSIPPI VALLEY WILL MOVE EAST TO AFFECT THE STATES WEATHER THIS AFTERNOON AND TONIGHT. THESE SYSTEMS WILL RESULT IN INCREASINGLY UNSTABLE CONDITONS. THUNDERSTORMS NOW OVER ALABAMA WILL MOVE INTO WEST GEORGIA THIS MORNING AND THIS AFTERNOON. OTHER THUNDERSTORMS WILL DEVELOP OVER THE REMAINDER OF THE STATE THIS AFTERNOON AND TONIGHT. THE ENTIRE STATE WILL REMAIN UNDER THE THREAT OF SEVERE WEATHER FROM THESE STORMS. AN AREA OF RAIN AND A FEW THUNDERSTORMS IN THE EAST WILL MOVE EASTWARD TO BE OUT OF THE STATE BY AFTERNOON. RAINFALL AMOUNTS NEAR 1.5 INCHES WERE REPORTED FROM THIS SYSTEM OVERNIGHT. PERSONS IN THE PEACH STATE SHOULD CLOSELY MONITOR THIS DEVELOPING WEATHER SITUATION AND BE ON THE ALERT FOR ANY WATCHES OR WARNINGS THAT MAY BE ISSUED TODAY.
Special weather statement, Apr 28, 12:35 PM EDT, 44 minutes before
GAZ001-002-003-004-005-281730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 1230 PM EDT SAT APR 28 1990 SCATTERED SHOWERS AND THUNDERSTORMS WERE DEVELOPING OVER PORTIONS OF NORTH AND WEST GEORGIA THIS AFTERNOON IN MOIST UNSTABLE AIR. AT 1225 PEST...RADAR INDICATED THE HEAVIEST THUNDERSTORMS OVER FLOYD COUNTY BETWEEN SUMMERVILLE AND ROME AND OVER CHATTOOGA COUNTY EAST OF SUMMERVILLE. THESE STORMS WERE MOVING NORTHEAST AROUND 25 MPH. OTHER SCATTERED THUNDERSTORMS WERE LOCATED OVER EASTERN ALABAMA NEAR THE GEORGIA BORDER. GUSTY WINDS AND HAIL MAY DEVELOP NEAR THE STORMS. THUNDERSTORMS...SOME POSSIBLY SEVERE...WILL DEVELOP THROUGHOUT THE AFTERNOON. A TORNADO WATCH IS IN EFFECT FOR A LARGE PORTION OF NORTH A WEST GEORGIA AND EXTENDS INTO EAST AND SOUTH ALABAMA. THE TORNADO WATCIS IN EFFECT UNTIL 600 PM EST. THIS SITUATION WARRANTS CONSTANT MONITORING. BE ALERT TO CHANGING WEATHER CONDITIONS BY STAYING TUNED TOO LOCAL TELEVISION AND RADIO STATIONS OR NOAA WEATHER RADIO.
Special weather statement, Apr 28, 12:38 PM EDT, 41 minutes before
GAZ001-002-003-004-005-281730- SPECIAL WEATHER STATEMENT.. CORRECTION NATIONAL WEATHER SERVICE ATLANTA GA 1230 PM EDT SAT APR 28 1990 SCATTERED SHOWERS AND THUNDERSTORMS WERE DEVELOPING OVER PORTIONTHEAST AROUND 25 MPH. OTHER SCATTERED THUNDERSTORMS WERE LOCATED OVER EASTERN ALABAMA NEAR THE GEORGIA BORDER. GUSTY WINDS AND HAIL MAY DEVELOP NEAR THE STORMS. THUNDERSTORMS...SOME POSSIBLY SEVERE...WILL DEVELOP THROUGHOUT THE AFTERNOON. A TORNADO WATCH IS IN EFFECT FOR A LARGE PORTION OF NORTH AND WEST GEORGIA AND EXTENDS INTO EAST AND SOUTH ALABAMA. THE TORNADO WATCH IS IN EFFECT UNTIL 600 PM EST. THIS SITUATION WARRANTS CONSTANT MONITORING. BE ALERT TO CHANGING WEATHER CONDITIONS BVY STAYING TUNED TO LOCAL TELEVISION AND RADIO STATIONS OR NOAA WEATHER RADIO.
Special weather statement, Apr 28, 12:44 PM EDT, 35 minutes before
GAZ002-004-281740- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 1643 PM EDT SAT APR 28 1990 TORNADO WATCH NUMBER 174 IS IN EFFECT FOR THE FOLLOWING NORTHEAST GEORGIA COUNTIES UNTIL 6 PM EDT TODAY. BANKS...BARROW...HABERSHAM...HALL...JACKSON...LUMPKIN...NEWTON...RABUN... STEPHENS...TOWNS...UNION...WALTON...WHITE...DAWSON. AT 1240 PM EDT ATHENS RADAR INDICATED SCATTERED THUNDERSTORMS...A FEW PRODUCING VERY HEAVY RAIN OVER NORTHWEST AND WEST CENTRAL GEORGIA AND WERE MOVING TO THE NORTHEAST AT 40 MPH. MOSTLY LIGHT RAIN AND A FEW SHOWERS WERE INDICATED IN SOUTH CAROLINA FROM JUST EAST OF AUGUSTA NORTH TO NEAR ASHEVILLE NORTH CAROLINA. MOVEMENT WAS TO TH^E NORTHEAST AT 40 MPH.
Special weather statement, Apr 28, 12:52 PM EDT, 27 minutes before
GAZ002-004-281740- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY. . .C O R R E C T I O N. . . NATIONAL WEATHER SERVICE ATHENS GA 1243 PM EDT SAT APR 28 1990 TORNADO WATCH NUMBER 174 IS IN EFFECT FOR THE FOLLOWING NORTHEAST GEORGIA COUNTIES UNTIL 6 PM EDT TODAY. BANKS...BARROW...HABERSHAM...HALL...JACKSON...LUMPKIN...NEWTON...RABUN... STEPHENS...TOWNS...UNION...WALTON...WHITE...DAWSON. AT 1240 PM EDT ATHENS RADAR INDICATED SCATTERED THUNDERSTORMS...A FEW PRODUCING VERY HEAVY RAIN OVER NORTHWEST AND WEST CENTRAL GEORGIA AND WERE MOVING TO THE NORTHEAST AT 40 MPH. MOSTLY LIGHT RAIN AND A FEW SHOWERS WERE INDICATED IN SOUTH CAROLINA FROM JUST EAST OF AUGUSTA NORTH TO NEAR ASHEVILLE NORTnH CAROLINA. MOVEMENT WAS TO THE NORTHEAST AT 40 MPH.
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.