Alert archive / Tennessee / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 175, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 27, 1990, 3:37 PM EDT for Bradley County, Tennessee. It was in force for 68 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
- May 27, 1990, 3:37 PM EDT (19:37 UTC)
- Expired
- May 27, 1990, 4:45 PM EDT
- In force
- 68 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Bradley 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 |
|---|---|---|---|
| May 27, 3:50 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 12:00Z, 7.6 hours before the alert went out and 191 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
- 119 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 806 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCHA 271945 SVRCHA TNC011-272045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHATTANOOGA TENNESSEE 337 PM EDT SUN MAY 27 1990 THE NATIONAL WEATHER SERVICE IN CHATTANOOGA TENNESSEE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS IN SOUTHEAST TENNESSEE ...BRADLEY COUNTY AT 335 PM EDT THE CHATTANOOGA WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN BRADLEY COUNTY JUST TO THE WEST OF CLEVELAND. THE STORM IS MOVING TO THE NORTHEAST AROUND 20 MPH AND HAS PRODUCED WINDS TO 54 MPH IN CHATTANOOGA AS IT MOVED THROUGH. 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, May 27, 10:20 AM EDT, 5 hours 17 minutes before
GAZ002-004-1715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 1017 AM EDT SUN MAY 27 1990 SCATTERED THUNDERSTORMS...SOME WITH HEAVY RAINFALL...HAVE DEVELOPED OVER NORTH GEORIGA THIS MORNING. THESE THUNDERSTORMS ARE MOVING EAST AT ABOUT 25 MILES AN HOUR. PERSONS IN NORTHEAST GEORGIA NORTH OF A LAWRENCEVILLE TO ELBERTON LINE SHOULD BE ON THE ALERT FOR THREATENING WEATHER CONDITIONS FOR THE NEXT SEVERAL HOURS...ESPECIALLY THOSE PARTICIPATING IN OUTDOOR ACTIVITIES AND BOATERS ON AREA LAKES. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY DOWNPOURS... DANGEROUS LIGHTNING...BRIEF GUSTY SURFACE WINDS AND POSSIBLE SMALL HAIL.
Special weather statement, May 27, 12:39 PM EDT, 2 hours 58 minutes before
GAZ003-271800 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 1235 PM EDT SUN MAY 27 1990 ...THUNDERSTORMS DEVELOPING RAPIDLY ACROSS NORTH GEORGIA... AT 1230 PM EDT...WEATHER SERVICE RADAR SHOWED RAPIDLY DEVELOPING THUNDERSTORMS NEAR DOWNTOWN ATLANTA AND 10 MILES WEST OF DALLAS GEORGIA NEAR THE PAULDING-HARALSON COUNTY LINE. THESE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. SOME OF THESE THUNDERSTORMS MAY CONTAIN SMALL HAIL AS WELL AS PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS... SOME OF THESE THUNDERSTORMS MAY CONTAIN SMALL HAIL AS WELL AS AND DANGEROUS LIGHTNING STRIKES. IN URBAN AREAS SOME LOCAL STREET FLOODING MAY OCCUR. RESIDENTS OF EXTREME NORTH GEORGIA CAN, EXPECT THUNDERSTORMS TO DEVELOP THE REMAINDER OF THE AFTERNOON AND EVENING AS THE AIR OVER GEORGIA IS VERY WARM AND UNSTABLE. PEOPLE OUTDOORS ENJOYING THE MEMORIAL DAY WEEKEND SHOULD REMAIN ALERT TO THE CHANGING WEATHER.
Special weather statement, May 27, 12:42 PM EDT, 2 hours 55 minutes before
GAZ002-004-271845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 1241 PM EDT SUN MAY 27 1990 SCATTERED THUNDERSTORMS...SOME WITH HEAVY RAINFALL...WERE DEVELOPING RAPIDLY OVER PARTS OF NORTHEAST GEORGIA. THE THUNDERSTORMS WITH THE HEAVIEST RAINFALL WERE IN THE ATLANTA METRO AREA AND WERE MOVING EAST AT ABOUT 30 MILES AN HOUR. OTHER THUNDERSTORMS WERE NOTED OVER LAKE LANIER AND WERE DEVELOPING JUST SOUTH OF ATHENS. PERSONS IN NORTHEAST GEORGIA...ESPECIALLY THOSE PARTICIPATING IN OUTDOOR ACTIVITIES AND BOATERS ON AREA LAKES...SHOULD REMAIN ON THE ALERT FOR THESE THUNDERSTORMS. BRIEF HEAVY DOWNPOURS, DANGEROUSE LIGHTNING, BRIEF GUSTY SURFACE WINDS AND SMALL HAIL ARE POSSIBLE/ WITH THESE THUNDERSTORMS AS THEY MOVE THROUGH.
Special weather statement, May 27, 12:43 PM EDT, 2 hours 54 minutes before
GAZ003-271800 SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE ATLANTA GA 1235 PM EDT SUN MAY 27 1990 ...THUNDERSTORMS DEVELOPING RAPIDLY ACROSS NORTH GEORGIA... AT 1230 PM EDT...WEATHER SERVICE RADAR SHOWED RAPIDLY DEVELOPING THUNDERSTORMS NEAR DOWNTOWN ATLANTA AND 10 MILES WEST OF DALLAS GEORGIA NEAR THE PAULDING-HARALSON COUNTY LINE. THESE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. SOME OF THESE THUNDERSTORMS MAY CONTAIN SMALL HAIL AS WELL AS PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS... AND DANGEROUS LIGHTNING STRIKES. IN URBAN AREAS SOME LOCAL STREET FLOODING MAY OCCUR. RESIDENTS OF NORTH GEORGIA CAN EXPECT THUNDERSTORMS TO DEVELOP THE REMAINDER OF THE 1AFTERNOON AND EVENING AS THE AIR OVER GEORGIA IS VERY WARM AND UNSTABLE. PEOPLE OUTDOORS ENJOYING THE MEMORIAL DAY WEEKEND SHOULD REMAIN ALERT TO THE CHANGING WEATHER.
Special weather statement, May 27, 2:43 PM EDT, 54 minutes before
GAZ006-008-009-272200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 240 PM EDT SUN MAY 27 1990 AT 230 PM WEATHER RADAR IN MACON SHOWED THUNDERSTORMS DEVELOPING RAPIDLY OVER CENTRAL GEORGIA JUST NORTH OF MACON AND INTO THE NORTHERN PART OF THE STATE. ALTHOUGH THE STRONGEST THUNDERSTORMS WERE IN NORTH GEORGIA...PEOPLE ENJOYING OUTDOOR ACTIVITIES IN CENTRAL GEORGIA SHOULD BE WATCHFUL. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP IN THE CENTRAL PART OF THE STATE THIS AFTERNOON AND EVENING. BOATERS ON AREA LAKES... GOLFERS...AND OTHERS IN OPEN AREAS SHOULD GO TO SHELTER IF THUNDER- STORMS ARE CLOSE-BY. STRONG GUSTY WINDS...DANGEROUS LIGHTNING...AND POSSIBLY SMALL HAIL CqAN BE EXPECTED WITH FEW THUNDERSTORMS THIS AFTERNOON AND EVENING. REMEMBER LIGHTNING SAFETY RULES...LIGHTNING STRIKES CAUSE MORE DEATHS IN GEORGIA EACH YEAR THAN ANY OTHER WEATHER PHENOMENON.
Special weather statement, May 27, 3:24 PM EDT, 13 minutes before
GAZ001-272100 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 325 PM EDT SUN MAY 27 1990 ...STRONG THUNDERSTORMS CONTINUE ACROSS NORTHWEST GEORGIA... AT 320 PM EDT...WEATHER SERVICE RADAR SHOWED MORE RAPIDLY DEVELOPING THUNDERSTORMS FROM SOUTH OF CHATTANOOGA THROUGH ROME TO CAVE SPRINGS. FLOYD COUNTY 911 REPORTED SOME STRONG WINDS AND PEA SIZED HAIL OVER THE NORTH END OF THE COUNTY AT 315 PM. THESE THUNDER- STORMS WERE MOVING EAST AT 30 MPH. RESIDENTS OF NORTHWEST GEORGIA CAN EXPECT THUNDERSTORMS TO DEVELOP THE REMAINDER OF THE AFTERNOON AND EVENING AS THE AIR OVER GEORGIA IS VERY WARM AND UNSTABLE. PEOPLE SHOULD REMAIN ALERT TO THE RAPIDLY CHANGING WEATHER.
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.