Alert archive / Tennessee / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 155, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Jun 30, 2001, 4:24 PM CDT for Franklin County, Tennessee. It was in force for 36 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 30, 2001, 4:24 PM CDT (21:24 UTC)
- Expired
- Jun 30, 2001, 5:00 PM CDT
- In force
- 36 min
- Issued by
- NWS Nashville, TN
- Area
- Whole counties
County Franklin County, TN
The radar
The Northeast Alabama radar (KHTX), 25 km from the middle of the area, began a volume at 21:24 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 30, 4:50 PM CDT | Thunderstorm Wind 50 E | Winchester, TN | EMA reported trees and power lines down in the southern part of town. |
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.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 9.4 hours before the alert went out and 118 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
- 1102 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 683 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS54 KOHX 302126 CCA SVRBNA TNC051-302200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTED FOR WORDING NATIONAL WEATHER SERVICE NASHVILLE TN 424 PM CDT SAT JUN 30 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN FRANKLIN COUNTY IN TENNESSEE * UNTIL 500 PM CDT * AT 420 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM BETWEEN ELORA AND HUNTLAND OR 20 MILES SOUTHWEST OF WINCHESTER MOVING EAST NORTHEAST AT 20 TO 25 MPH. * THE SEVERE THUNDERSTORM WILL BE... OVER HUNTLAND AT 430 PM CDT OVER ROWE GAP AND FARRIS CHAPEL BY 445 PM CDT OVER COWAN AND SHERWOOD AT 452 PM CDT DAMAGING WINDS OF 65 MPH...NICKEL SIZE HAIL WITH TORRENTIAL RAINFALL ARE EXPECTED WITH THIS STORM. TAKE COVER IN A STURDY STRUCTURE UNTIL THE STORM PASSES. $$ JDG LAT...LON 3516 8630 3500 8631 3502 8586 3532 8594
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 Jun 30, 2:30 PM CDT, 1 hour 54 minutes earlier.
Area forecast discussion, Jun 30, 2:30 PM CDT, 1 hour 54 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NASHVILLE TN 230 PM CDT SAT JUN 30 2001 STORMS ARE FIRING UP ALG THE PLATEAU AND AREAS N OF BNA TO LAWRENCEBURG. ACTIVITY SHUD GRADUALLY WEAKEN ONCE AGAIN AFT SS. AREAS OF FOG SHUD FORM LT TNGT...SPCLY IN AREAS THAT RCVD RAINS. MDLS STILL SHOW A PREFNTL TROF SUN ACRS THE RGN. SFC WINDS GO S THEN WSW BTWN 12Z-18Z SUN. THE 12Z AVN STILL SHOWS DEEP MSTR AND HIGH THETA E CONVERGENCE FORMING ARND BNA AT 18Z SUN DUE TO PASSAGE OF 500 MB VORTICITY TROF AXIS. CONSIDERING AMS IS MOIST, IT WUD NOT TAKE MUCH TO TRIGGER STORMS ON SUN. NGM & ETA HAS FROPA THRU BNA ARND 06Z MON AS SFC WNDS SHIFT TO THE NORTH. AVN IS FASTER AND HAS IT THRU BNA ARND 00Z-03Z MON. THE QUESTION IS HOW MUCH MSTR...CLDS AND INSTBLTY WILL THERE BE ON MON. I EXPECT CLDS AND THREAT OF PRECIP TO BE MNLY DURG MON MRNG THEN SKIES BCMG PARTLY CLDY FOR BNA. AREAS ALG THE TN-AL BORDER MAY STILL SEE MORE CLDS AND A THREAT OF PRECIP ALL DAY MON. NGM MOS TEMPS LOOKS TOO WRM FOR SUN SO WL KEEP IT IN THE MID 80S. WHEN CLDS BREAK UP MON...WE SHUD REACH 83 DEGS FOR BNA. NGM MOS 79 DEGS WILL HAPPEN ONLY IF CLDS RMN ALL DAY MON...BUT I DON'T EXPECT THIS TOO HAPPEN. POPS FOR ERLY TNGT WL BE 20% FOR BNA AND 20% ALG THE PLATEAU. SPECIFICALLY, PRELIMINARY NUMBERS FOR COORDINATION PURPOSES ONLY... BNA 069/085/067/083 064 2542 CSV 065/082/063/079 060 2542 .BNAO...NONE. END/ORCHANIAN
In the hours before
Local storm report, Jun 30, 3:47 PM CDT, 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE,TN
347 PM CDT SAT JUN 30 2001
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0330 PM LAFAYETTE TN 65 MPH TSTM WIND GUST
06/30/01 MACON SHERIFF'S OFFICE REPORTED
TREES DOWN IN THE WESTERN
PART OF THE COUNTY.
JAOThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 3:14 PM CDT | Severe Thunderstorm Warning | OHX | Macon | 31 min |
| Jun 30, 3:53 PM CDT | Severe Thunderstorm Warning | OHX | Lincoln | 37 min |
| Jun 30, 4:55 PM CDT | Severe Thunderstorm Warning | OHX | Franklin | 50 min |
| Jun 30, 5:31 PM CDT | Severe Thunderstorm Warning | OHX | Grundy | 44 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2001Every severe thunderstorm warning in 2001
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; radar from the NEXRAD Level II archive.