Alert archive / Tennessee / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 351, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Sep 10, 1990, 4:05 PM EDT for Bradley County, Tennessee. It was in force for 55 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
- Sep 10, 1990, 4:05 PM EDT (20:05 UTC)
- Expired
- Sep 10, 1990, 5:00 PM EDT
- In force
- 55 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 |
|---|---|---|---|
| Sep 10, 4:30 PM EDT | Hail 0.88 | 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, 8.1 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
- 13 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCHA 102006 SVRCHA TNC011-102100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHATTANOOGA TENNESSEE 405 PM EDT MON SEP 10 1990 THE NATIONAL WEATHER SERVICE IN CHATTANOOGA TENNESSEE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS IN SOUTHEAST TENNESSEE ...BRADLEY COUNTY AT 403 PM EDT THE CHATTANOOGA WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN BRADLEY COUNTY...JUST TO THE NORTHWEST OF CLEVELAND. THE STORM IS MOVING SLOWLY TO THE EAST...AND MAY PRODUCE SOME MINOR FLOODING OF ROADS AND OTHER LOW LYING PLACES. 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, Sep 10, 2:58 PM EDT, 1 hour 7 minutes before
GAZ002-004-102000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 257 PM EDT MON SEP 10 1990 AT 250PM A HAM RADIO PERSON REPORTED PEA SIZE HAIL IN MONORE GEORGIA ALONG WITH HEAVY RAIN AND SEVERE CLOUD TO GROUND LIGHTNING. THESE STORMS HAVE LITTLE MOVEMENT. OTHER STORMS ARE EXPECTED TO FORM DURING THE AFTERNOON AND EVENING HOURS OVER NORTHEAST GEORGIA. PERSONS SHOULD REMAIN ALERT FOR THE STORMS AND SEEK SHELTER AS THEY FORM.
Special weather statement, Sep 10, 3:28 PM EDT, 37 minutes before
GAZ001-3 102100 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 327 PM EDT MON SEP 10 1990 ...THUNDERSTORMS OVER NORTHWEST GEORGIA... AT 325 PM WEATHER SERVICE RADAR INDICATED THUNDERSTORMS DEVELOPING RAPIDLY OVER NORTHWEST GEORGIA. THE STRONGEST STORMS WERE IN GORDON COUNTY JUST NORTHWEST OF CALHOUN AND IN CARROLL COUNTY SOUTH OF VILLA RICA. LITTLE OR NO MOVEMENT WAS INDICATED. THESE STORMS MAY BE ACCOMPANIED BY FREQUENT LIGHTNING...HIGH WINDS ... SMALL HAIL AND HEAVY RAIN. BECAUSE THESE STORMS ARE SLOW-MOVERS FLOODING OF STREETS AND LOW LYING AREAS ARE ALSO POSSIBLE. THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER NORTHWEST GEORGIA FOR THE NEXT SEVERAL HOURS. RESIDENTS ARE URGED TO STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO AND TV STATIONS FOR FURTHER UPDATES OR POSSIBLE WARNINGS.
Special weather statement, Sep 10, 3:31 PM EDT, 34 minutes before
GAZ008-102030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 331 PM EDT MON SEP 10 1990 AT 330 PM EDT COLUMBUS WEATHER RADAR WAS SHOWING SEVERAL STRONG THUNDERSTORMS IN LEE AND DOUGHERTY COUNTIES IN SOUTHWEST GEORGIA FROM JUST SOUTH OF LEESBURG TO JUST WEST OF ALBANY. LITTLE MOVEMENT WAS NOTED. PERSONS ACROSS LEE..DOUGHERTY..MITCHELL AND WORTH COUNTIES CAN EXPECT VERY HEAVY RAIN..DANGEROUS LIGHTNING AND GUSTY WINDS FOR THE NEXT COUPLE OF HOURS. LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS OF POSSIBLE WARNINGS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 3:16 PM EDT | Severe Thunderstorm Warning | FFC | Hamilton | 44 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.