Alert archive / Tennessee / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 133, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at May 23, 1999, 1:25 PM CDT for Rutherford County, Tennessee. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 23, 1999, 1:25 PM CDT (18:25 UTC)
- Expired
- May 23, 1999, 2:30 PM CDT
- In force
- 65 min
- Issued by
- NWS Nashville, TN
- Area
- Whole counties
County Rutherford County, TN
The radar
The Nashville radar (KOHX), 47 km from the middle of the area, began a volume at 18:26 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 23, 12:30 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 6.4 hours before the alert went out and 36 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
- 922 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 109 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.
NWS Nashville, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at May 23, 1:00 PM CDT, 25 minutes earlier.
Area forecast discussion, May 23, 1:00 PM CDT, 25 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NASHVILLE TN 100 PM CDT SUN MAY 23 1999 LATEST SURFACE ANALYSIS PLACES COLD FRONT NEAR STL-LIT LINE WITH WELL DEFINED BOUNDARY AHEAD NEAR THE MS RIVER. CONVECTION CURRENTLY FIRING ACROSS N AL/SRN TN IN MORE UNSTABLE AIR IN AREA OF MESO LOW WITH VERY LITTLE ACTIVITY ELSEWHERE. MODELS IN VERY GOOD AGREEMENT SHORT TERM AND BELIEVE MAIN SURGE OF SHOWER/TSTORM DEVELOPMENT WILL COME WITH THIS PRE-FRONTAL BOUNDARY/MESO LOW FEATURE...WHICH MESHS QUITE WELL WITH MOVEMENT OF MD/UPR SUPPORT. MD/UPR TROF AXES SHUD PUSH BY BNA AROUND 00Z AND BY CSV BEFORE 06Z. BELIEVE WITH STRENGTH OF MD/UPR LEVEL PUSH...CHANCE OF PRECIP SHUD BE OVER BY MIDNIGHT EXCEPT POSSIBLY FAR E AS AIRMASS STABILIZES RAPIDLY 06-12Z MON. WILL WORD ZONES ACCORDINGLY. WEAK SURFACE HIGH...DRY AIR...AND MD/UPR LEVEL NW FLO SHUD PROVIDE FAIR WX ON MONDAY WITH A COMFORTABLE COOL DOWN. PROGGS...ESPECIALLY ETA/NGM...TRY TO DEVELOP A SECONDARY WEAK TROF MONDAY NIGHT WHICH SHUD MOVE ACROSS CWA ON TUESDAY. THIS FEATURE HAS SOME FAIRLY DECENT LOW/MD MOISTURE BUT LITTLE IF ANY MD/UPR SUPPORT...BUT WE KNOW HOW UNFRIENDLY UPR LEVEL NW FLOW CAN BE. AT THIS POINT...BELIEVE CHANCES ARE VERY SMALL AND HAVE ELECTED TO LEAVE OUT IN FAVOR OF LATER RUNS. SVR STORM WATCH CURRENTLY RUNNING FOR MOST OF FA. WILL SEND 4PM ZONES AS LATE AS POSSIBLY TO COVER ANY CHANGES. PROBABLY 1ST SET AROUND 230 PM AND ANY ADDITIONAL UPDATES AS NEEDED. 07 BNA 56/74/54/76 3001 CSV 54/70/49/71 5000
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 1:32 PM CDT | Severe Thunderstorm Warning | OHX | Coffee, Franklin | 28 min |
| May 23, 2:10 PM CDT | Severe Thunderstorm Warning | OHX | Wilson | 50 min |
| May 23, 2:43 PM CDT | Flash Flood Warning | OHX | Grundy | 4 hr |
| May 23, 4:48 PM CDT | Severe Thunderstorm Warning | OHX | Trousdale, Wilson | 27 min |
| May 23, 5:10 PM CDT | Severe Thunderstorm Warning | OHX | Smith, Wilson | 35 min |
| May 23, 5:40 PM CDT | Severe Thunderstorm Warning | OHX | Putnam, Smith | 35 min |
| May 23, 5:50 PM CDT | Tornado Warning | OHX | DeKalb, Putnam, Smith | 40 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1999Every severe thunderstorm warning in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.