Alert archive / Tennessee / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 208, NWS Nashville, TN

July 9, 2001Davidson County, Williamson County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jul 9, 2001, 8:39 PM CDT for Davidson County, Williamson County, Tennessee. It was in force for 51 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: Jul 9, 2001, 8:39 PM CDT (01:39 UTC)
Expired: Jul 9, 2001, 9:30 PM CDT
In force: 51 min
Issued by: NWS Nashville, TN
Area: Whole counties

Counties Davidson County, TN, Williamson County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.7 hours before the alert went out and 24 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 3111 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 690 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KOHX 100141
SVRBNA

TNC037-187-100230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
839 PM CDT MON JUL 9 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN DAVIDSON COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF BELLEVUE
  WILLIAMSON COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF FRANKLIN

* UNTIL 930 PM CDT

* AT 835 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES NORTH OF FAIRVIEW...OR ABOUT 14 MILES
  EAST OF DICKSON...MOVING SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FAIRVIEW AT 845 PM CDT
  BELLE MEADE AT 855 PM CDT
  FOREST HILLS AT 900 PM CDT
  OVER FRANKLIN...5 MILES SOUTHWEST OF BRENTWOOD AT 910 PM CDT

* OTHER LOCATIONS IN THE WARNING INCLUDE OAK HILL
BOYD
$$

LAT...LON 3624 8698 3589 8721 3577 8684 3596 8666

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 Jul 9, 8:25 PM CDT, 14 minutes earlier.

Area forecast discussion, Jul 9, 8:25 PM CDT, 14 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
825 PM CDT MON JUL 9 2001

00Z BNA SOUNDING SHOWED THE FOLLOWING STATS:

K INDEX 42   LI  -5    PWA  2.03 IN

TOTAL TOTALS 48   EQUIL LVL  47.3K FT

CAPE 2070 J/KG

LATEST SFC ANALYSES AND THETA-E PLOTS SHOW MOST FAVORED AREA
FOR OVERNIGHT THUNDERSTORMS SHOULD BE FROM AROUND DOVER...TO
NEAR NASHVILLE...COLUMBIA...SHELBYVILLE AND FAYETTEVILLE. THESE
AREAS ARE INVOF A SFC TROF, TIGHT MOISTURE CONVERGENCE BOUNDARY
AND THETA-E MAX. WITH K-INDEX AND PWA'S SO HIGH, WILL MENTION HEAVY
RAINFALL PSBL OVERNIGHT WITH THE STRONGER STORMS.

EXPECT TO KEEP POPS MAINLY IN THE 40-50% RANGE TONIGHT.

WILL SEND NEW ZONjE SET OUT SHORTLY.

.BNA...NONE.

19

In the hours before

Local storm report, Jul 9, 3:23 PM CDT, 5 hours 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE,TN
323 PM CDT MON JUL 9 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0315 PM    MURFREESBORO              TN   WIND DAMAGE
07/09/01   RUTHERFORD                     PUBLIC REPORTED ONE TREE
                                          DOWN IN MURFREESBORO

HS

Local storm report, Jul 9, 4:54 PM CDT, 3 hours 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE,TN
454 PM CDT MON JUL 9 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....
}
0450 PM    LEWISBURG                 TN
07/09/01   MARSHALL

BOYD

Local storm report, Jul 9, 4:57 PM CDT, 3 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE,TN
457 PM CDT MON JUL 9 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0450 PM    LEWISBURG                 TN   .75 INCH HAIL
07/09/01   MARSHALL

BOYD

The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 9, 7:55 PM CDT	Tornado Warning	OHX	Dickson, Humphreys	50 min
Jul 9, 8:06 PM CDT	Tornado Warning	OHX	Dickson	39 min
Jul 9, 8:21 PM CDT	Tornado Warning	OHX	Cheatham	39 min
Jul 9, 8:38 PM CDT	Severe Thunderstorm Warning	OHX	Benton	67 min
Jul 9, 10:42 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Lewis	48 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2001 Every 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; the sounding from the Mesonet's radiosonde archive.