Alert archive / Tennessee / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 188, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jun 4, 1991, 4:13 PM EDT for McMinn County, Tennessee. It was in force for 35 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
- Jun 4, 1991, 4:13 PM EDT (20:13 UTC)
- Expired
- Jun 4, 1991, 4:48 PM EDT
- In force
- 35 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County McMinn County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 4, 4:20 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
Athens Municipal, GA (KAHN), launched 12:00Z, 8.2 hours before the alert went out and 203 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
- 100 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 1365 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -56 m²/s²
- 0-3 km storm-relative helicity
- -25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 4, 3:21 PM EDT, 52 minutes before
GAZ003-042100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 320 PM EDT SUN JUN 4 1991 ...THUNDERSTORMS WERE DEVELOPING OVER NORTHWEST GEORGIA... AT 315 PM EDT NATIONAL WEATHER SERVICE RADAR IN ATLANTA WAS SHOWING A CLUSTER OF STONG THUNDERSTORM IN NORTHWEST GEORGIA. THE THUNDERSTORMS STRETCHED FROM JUST WEST OF ROME..NORTH TO THE GEORGIA TENNESSEE STATE LINE..JUST SOUTH OF CHATTANOOGA. THE THUNDERSTORMS WERE MOVING SOUTH AT 10 MILES AN HOUR. THESE STORMS HAVED PRODUCED HEAVY RAIN...FREQUENT LIGHTNING AND ARE CAPABLE OF PRODUCING HAIL AND STRONG GUSTY WINDS. PEOPLE IN NORTHWEST GEORGIA SHOULD STAY ALERT AS THESE THUNDERSTORMS CONTINUE TO DEVELOP AND BE PREPARED TO SEEK SHELTER IF NECESSARY. EVERY YEAR SEVERAL PEOPLE ARE KILLED BY LIGHTNING WHILE OUTDOORS. HEAVY RAIN MAY PRODUCE LOCALIZED FLOODING OF SMALL STREAMS AND POORLY DRAINED AREAS.
Special weather statement, Jun 4, 3:27 PM EDT, 46 minutes before
GAZ003-042100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 320 PM EDT TUE JUN 4 1991 ...THUNDERSTORMS WERE DEVELOPING OVER NORTHWEST GEORGIA... AT 315 PM EDT NATIONAL WEATHER SERVICE RADAR IN ATLANTA WAS SHOWING A CLUSTER OF STONG THUNDERSTORMS IN NORTHWEST GEORGIA. THE THUNDERSTORMS STRETCHED FROM JUST WEST OF ROME..NORTH TO THE GEORGIA TENNESSEE STATE LINE..JUST SOUTH OF CHATTANOOGA. THE THUNDERSTORMS WERE MOVING SOUTH AT 10 MILES AN HOUR. THESE STORMS HAVED PRODUCED HEAVY RAIN...FREQUENT LIGHTNING AND ARE CAPABLE OF PRODUCING HAIL AND STRONG GUSTY WINDS. PEOPLE IN NORTHWEST GEORGIA SHOULD STAY ALERT AS THESE THUNDERSTORMS CONTINUE TO DEVELOP AND BE PREPARED TO SEEK SHELTER IF NECESSARY. EVERY YEAR SEVERAL PEOPLE ARE KILLED BY LIGHTNING WHILE OUTDOORS. HEAVY RAIN MAY PRODUCE LOCALIZED FLOODING OF SMALL STREAMS AND POORLY DRAINED AREAS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 3:48 PM EDT | Severe Thunderstorm Warning | FFC | Gordon | 42 min |
| Jun 4, 4:22 PM EDT | Severe Thunderstorm Warning | FFC | Paulding | 38 min |
| Jun 4, 4:31 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Gwinnett, Rockdale | 44 min |
| Jun 4, 6:11 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 34 min |
| Jun 4, 6:14 PM EDT | Severe Thunderstorm Warning | FFC | Jasper, Jones | 61 min |
| Jun 4, 6:21 PM EDT | Severe Thunderstorm Warning | FFC | Butts | 39 min |
| Jun 4, 6:50 PM EDT | Severe Thunderstorm Warning | FFC | Bibb, Monroe | 55 min |
| Jun 4, 7:29 PM EDT | Severe Thunderstorm Warning | FFC | Pike | 31 min |
| Jun 4, 4:13 PM EDT | Severe Thunderstorm Warning | FFC | Bradley | 47 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1991Every severe thunderstorm warning in 1991
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.