Alert archive / Tennessee / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 149, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 3, 1990, 9:20 PM EDT for Bradley County, Tennessee. It was in force for 40 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 3, 1990, 9:20 PM EDT (01:20 UTC)
- Expired
- May 3, 1990, 10:00 PM EDT
- In force
- 40 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 3, 9:40 PM EDT | Hail 0.75 | 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, 1.3 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCHA 040121 RRA SVRCHA GAC295-TNC011-040200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHATTANOOGA TENNESSEE 920 PM EDT THU MAY 3 1990 THE NATIONAL WEATHER SERVICE IN CHATTANOOGA TENNESSEE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS IN NORTHWEST GEORGIA ...WALKER COUNTY IN SOUTHEAST TENNESSEE ...BRADLEY COUNTY AT 915 PM THE CHATTANOOGA WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN THE SOUTHERN SECTIONS OF WALKER COUNTY IN NORTHWEST GEORGIA. THIS STORM IS MOVING TO THE NORTHEST TOWARD LAFAYETTE. ALSO A SEVERE THUNDERSTORM IS INDICATED BY RADAR ON THE HAMILTON/BRADLEY COUNTY LINE IN SOUTHEAST TENNESSEE. HAM RADIO OPERATORS REPORT 1 INCH HAIL NEAR APISON...IN THE EASTERN SECTIONS OF HAMILTON COUNTY ABOUT 20 MINUTES AGO. THIS THUNDERSTORM IS MOVING INTO BRADLEY COUNTY TOWARD CLEVELAND. 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 DO@N'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 3, 7:41 PM EDT, 1 hour 39 minutes before
GAZ001-003-040200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 740 PM EDT THU MAY 3 1990 AT 735 PM EDT RADAR SHOWED A STRONG THUNDERSTORM IN EXTREME SOUTH CHEROKEE COUNTY NEAR WOODSTOCK. THIS STORM MAY BE PRODUCING HAIL AND STRONG GUSTY WINDS AS IT MOVES NORTH AT 30 MPH. PEOPLE IN CHEROKEE COUNTY SHOULD BE PREPARED TO MOVE INDOORS OR TO SAFE SHELTER IF APPROACHED BY THIS STORM.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 9:38 PM EDT | Severe Thunderstorm Warning | FFC | Hamilton | 67 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.