Alert archive / Tennessee / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 114, NWS Nashville, TN

May 17, 2002Clay County, Overton County, Pickett County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 17, 2002, 1:51 PM CDT for Clay County, Overton County, Pickett County, Tennessee. It was in force for 39 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: May 17, 2002, 1:51 PM CDT (18:51 UTC)
Expired: May 17, 2002, 2:30 PM CDT
In force: 39 min
Issued by: NWS Nashville, TN
Area: Whole counties

Counties Clay County, TN, Overton County, TN, Pickett County, TN

What was reported inside it

Time	Report	Where	Remark
May 17, 1:52 PM CDT	Hail 2	Celina, TN	Sheriff's office reported ahil the size of a hen egg.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 17, 12:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.9 hours before the alert went out and 123 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: 17 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1181 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 110 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 171851
SVRBNA
TNC027-133-137-171930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
150 PM CDT FRI MAY 17 2002

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLAY COUNTY
  OVERTON COUNTY
  PICKETT COUNTY

* UNTIL 230 PM CDT

* AT 143 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES SOUTHWEST OF CELINA...OR 14 MILES SOUTH
  OF TOMPKINSVILLE...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CELINA AROUND 155 PM CDT

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

$$

LAT...LON 3658 8570 3641 8566 3646 8497 3671 8502

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 17, 9:56 AM CDT, 3 hours 55 minutes earlier.

Area forecast discussion, May 17, 9:56 AM CDT, 3 hours 55 minutes before

AREA FORECAST DISCUSSION...CORRECTED TO ADD FFA
NATIONAL WEATHER SERVICE NASHVILLE TN
920 AM CDT FRI MAY 17 2002

THUNDERSTORM COMPLEX HAS BEEN AFFECTING EXTREME NORTHWEST COUNTIES
THIS MORNING. NO FLOODING REPORTED YET...BUT GROUND IS GETTING
PRIMED FOR PROBLEMS TO QUICKLY DEVELOP. ETA/MESOETA AND SOMEWHAT AVN
SUGGEST GREATEST LOW LEVEL CONVERGENCE COUPLED WITH UPPER LEVEL
DIVERGENCE WILL REMAIN OVER OUR NORTHWEST ZONES MOST OF THE
DAY...UNTIL WAVE AND FRONT GET MOVING THROUGH THE AREA. WILL GO
WITH A FLOOD WATCH THROUGH THE REST OF THE DAY FOR AREAS GENERALLY
NORTH OF INTERSTATE 40 AND WEST OF INTERSTATE 65...NOT INCLUDING
NASHVILLE FOR NOW.

COULD BE VERY LATE AFTERNOON BEFORE ANY RAIN AT ALL REACHES
SOUTHEAST COUNTIES OF THE FORECAST AREA. OTHERWISE...SOME CHANCE FOR
SEVERE WEATHER ALTHOUGH INSTABILITY MAY BE SOMEWHAT LIMITED BY
CLOUDS AND PRECIPITATION.

LOOK FOR AN UPDATE BEFORE 10 AM WITH THESE AND A FEW OTHER MINOR
CHANGES.

.BNA...FLOOD WATCH UNTIL MIDNIGHT NORTHWEST MID TN.
SH

In the hours before

Local storm report, May 17, 11:00 AM CDT, 2 hours 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE,TN
1100 AM CDT FRI MAY 17 2002

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

1045 AM    5 SW DOVER                TN   FLOOD
05/17/02   STEWART                        LAW ENFORCEMENT REPORTED
                                          WATER SEVERAL INCHES DEEP
                                          ON COX HOLLOW ROAD

JLM

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 9:20 AM CDT	Flash Flood Warning	OHX	Stewart	3 hr
May 17, 1:11 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon	34 min
May 17, 2:48 PM CDT	Severe Thunderstorm Warning	OHX	Wilson	27 min
May 17, 3:46 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Overton, Pickett	44 min
May 17, 4:32 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence	58 min
May 17, 5:04 PM CDT	Severe Thunderstorm Warning	OHX	Jackson, Overton, Putnam	56 min
May 17, 5:11 PM CDT	Severe Thunderstorm Warning	OHX	Giles	49 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2002 Every severe thunderstorm warning in 2002

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.