Alert archive / Tennessee / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 117, NWS Nashville, TN

May 2, 2003Dickson County, Humphreys County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 2, 2003, 3:00 PM CDT for Dickson County, Humphreys County, Tennessee. It was in force for 20 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 2, 2003, 3:00 PM CDT (20:00 UTC)
Expired: May 3, 2003, 11:05 AM CDT
In force: 20 hr
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

Counties Dickson County, TN, Humphreys County, TN

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.0 hours before the alert went out and 84 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1266 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 46 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 022000
SVRBNA
TNC043-085-022050-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
259 PM CDT FRI MAY 2 2003

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DICKSON COUNTY IN TENNESSEE
  HUMPHREYS COUNTY IN TENNESSEE

* UNTIL 3505 PM CDT

* AT 249 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF MCEWEN...OR 3 MILES
  SOUTHEAST OF WAVERLY...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DICKSON AROUND 325 PM CDT
  BURNS AROUND 335 PM CDT
  WHITE BLUFF AROUND 345 PM CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY
LIGHTNING.

&&

LAT...LON 3615 8776 3597 8777 3596 8720 3631 8716

$$
END/ORCHANIAN

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 2, 1:24 PM CDT, 1 hour 36 minutes earlier.

Area forecast discussion, May 2, 1:24 PM CDT, 1 hour 36 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
124 PM CDT FRI MAY 2 2003

LARGE DEGREE OF INSTABILITY IS CURRENTLY IN PLACE ACROSS
SOUTHWESTERN PORTIONS OF THE MID STATE. DEW POINTS IN THAT AREA ARE
IN THE UPPER 60S TO NEAR 70 WITH TEMPERATURES AROUND 80 DEGREES. MAY
SEE SOME CONVECTION LINGER INTO THE EVENING ACROSS SOUTHERN AND
EASTERN ZONES SO WILL INSERT A 20 POP THERE.

WEAK BOUNDARY TO THE NORTH WILL PUSH SOUTHWARD TODAY WITH A LIGHT
NORTHWESTERLY SURFACE FLOW SETTING UP OVERNIGHT. SURFACE HIGH
PRESSURE WILL QUICKLY MOVE EASTWARD ALLOWING FOR A SOUTHEASTERLY
RETURN FLOW BY SATURDAY NIGHT. MEANWHILE...AN UPPER LEVEL RIDGE AXIS
WILL MOVE EAST OF TN AS A LOW LEVEL JET BEGINS TO STRENGTHEN IN
ADVANCE OF THE NEXT STORM SYSTEM.

BY SUNDAY...DIVERGENCE AND COOLER AIR ALOFT WILL COMBINE WITH AN
INCREASINGLY STRONG 850 MB FLOW TO WARRANT A CHANCE OF STORMS.
STORMS LOOK LIKELY SUNDAY NIGHT INTO MONDAY AS THE MAIN FRONTAL
SYSTEM REACHES MIDDLE TN. THIS FRONTAL SYSTEM APPEARS AS THOUGH IT
WILL STALL OUT TO THE SOUTH OF THE AREA AS AN UPPER LEVEL SYSTEM
GAINS STRENGTH ACROSS THE SOUTHWESTERN U.S. FOR THAT REASON WILL
CONTINUE WITH A CHANCE OF SHOWERS AND STORMS THROUGH THURSDAY.

FOR TEMPS...MOS LOOKS A LITTLE TOO COOL ON SATURDAY AS IT KEEPS TOO
MUCH CLOUDINESS IN. WILL ALSO GO JUST ABOVE GUIDANCE ON SATURDAY
NIGHT AS THE CLOUDS BEGIN TO RETURN.

BNA 56/74/56/79 1014
CSV 53/71/48/76 3113

21

.BNA...NONE.

Hazardous weather outlook, May 2, 5:30 AM CDT, 9 hours 30 minutes before

TNZ005>011-022>034-056>066-075>080-093>097-031030-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
530 AM CDT FRI MAY 2 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE AGAIN EXPECTED TO DEVELOP IN MIDDLE
TENNESSEE THIS MORNING AND AFTERNOON. SOME OF THESE THUNDERSTORMS
MAY REACH SEVERE LIMITS WITH DAMAGING WIND AND LARGE HAIL. THE
STORMS ARE EXPECTED TO DISSIPATE LATE THIS AFTERNOON AFTER A COLD
FRONT PASSES. ONLY A FEW SHOWERS ARE EXPECTED TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A SERIES OF DISTURBANCE MOVING OUT OF THE PLAINS WILL BRING SCATTERED
SHOWERS AND THUNDERSTORMS TO THE AREA SUNDAY THROUGH TUESDAY. THIS
MAY BRING ANOTHER POSSIBILITY OF SEVERE WEATHER TO THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE ON ALERT
STATUS FOR POSSIBLE ACTIVATION LATER TODAY.

07

In the hours before

Local storm report, May 2, 10:15 AM CDT, 4 hours 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1015 AM CDT FRI MAY 02 2003

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

1010 AM    3 N SHELBYVILLE           TN   0.75 IN HAIL
05/02/03   BEDFORD                        NEAR THE SHELBYVILLE
                                          AIRPORT...REPORTED BY EMA

MED

Local storm report, May 2, 10:24 AM CDT, 4 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1024 AM CDT FRI MAY 02 2003

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

1015 AM    2 ENE SHELBYVILLE         TN   0.75 IN HAIL
05/02/03   BEDFORD                        BETWEEN SHELBYVILLE AND
                                          WARTRACE...REPORTED BY
                                          TRAINED SPOTTER

MED

Local storm report, May 2, 2:43 PM CDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
0243 PM CDT FRI MAY 02 2003

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

0240 PM    7 S WAYNESBORO            TN   1.75 IN HAIL
05/02/03   WAYNE                          GOLF BALL SIZE HAIL IN
                                          COLLINWOOD REPORTED LAW
                                          ENFORCEMENT

05

The office that day

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

Issued	Product	Office	Counties	Lasted
May 2, 7:12 AM CDT	Severe Thunderstorm Warning	OHX	Stewart	18 min
May 2, 7:59 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Humphreys, Stewart	46 min
May 2, 8:15 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Montgomery	30 min
May 2, 8:48 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson	32 min
May 2, 9:29 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall	31 min
May 2, 10:01 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Coffee	29 min
May 2, 1:45 PM CDT	Severe Thunderstorm Warning	OHX	Franklin	30 min
May 2, 2:01 PM CDT	Severe Thunderstorm Warning	OHX	Wayne	29 min
May 2, 2:19 PM CDT	Severe Thunderstorm Warning	OHX	Franklin	11 min
May 2, 2:33 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	42 min
May 2, 2:37 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lincoln, Marshall	38 min
May 2, 3:01 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Humphreys	49 min
May 2, 3:10 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Humphreys	55 min
May 2, 3:14 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lincoln, Marshall	31 min
May 2, 3:43 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall	47 min
May 2, 3:44 PM CDT	Severe Thunderstorm Warning	OHX	Lincoln	26 min
May 2, 3:59 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Maury	56 min
May 2, 4:27 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Coffee	33 min
May 2, 4:49 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Maury	46 min
May 2, 4:50 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lincoln	30 min
May 2, 5:04 PM CDT	Severe Thunderstorm Warning	OHX	Marshall	41 min
May 2, 5:08 PM CDT	Tornado Warning	OHX	Giles, Lincoln	37 min
May 2, 5:41 PM CDT	Severe Thunderstorm Warning	OHX	Giles	34 min
May 2, 5:42 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall	48 min
May 2, 5:48 PM CDT	Severe Thunderstorm Warning	OHX	Lincoln	27 min
May 2, 6:13 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence	32 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2003 Every severe thunderstorm warning in 2003

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.