Alert archive / Tennessee / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 134, NWS Nashville, TN

May 23, 2000Hickman County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 23, 2000, 3:18 AM CDT for Hickman County, Tennessee. It was in force for 27 min. 2 reports 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 23, 2000, 3:18 AM CDT (08:18 UTC)
Expired: May 23, 2000, 3:45 AM CDT
In force: 27 min
Issued by: NWS Nashville, TN
Area: Whole counties

County Hickman County, TN

The radar

The Nashville radar (KOHX), 96 km from the middle of the area, began a volume at 08:20 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
May 23, 3:35 AM CDT	Thunderstorm Wind 52 E	Centerville, TN	Law enforcement reported multiple trees and large limbs down.
May 23, 3:50 AM CDT	Thunderstorm Wind 52 E	Centerville, TN	Law enforcement reported several large trees and limbs down.

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 00:00Z, 8.3 hours before the alert went out and 87 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: 2 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 2048 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 98 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.

714 
WUUS54 KOHX 230819
SVRBNA
TNC081-230845-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
318 AM CDT TUE MAY 23 2000

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HICKMAN COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF CENTERVILLE

* UNTIL 345 AM CDT

* AT 318 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 13 MILES NORTHWEST OF CENTERVILLE...MOVING
  SOUTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OVER CENTERVILLE BY 335 AM CDT

DESTRUCTIVE WINDS...HAIL AND TORRENTIAL RAINFALL WILL OCCUR WITH 
THIS STORM. TAKE COVER IN A STURDY STRUCTURE UNTIL THE STORM PASSES.


$$

DICKSON 15

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, 3:11 AM CDT, 7 minutes earlier.

Area forecast discussion, May 23, 3:11 AM CDT, 7 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
311 AM CDT TUE MAY 23 2000

WELL...MCS PROPAGATING 320/31KTS ACROSS WESTERN CWA...SECONDARY MCS
BETWEEN PEORIA AND THE QUAD CITIES ALSO MOVING SE IN THE INFAMOUS
NORTHWEST FLOW ALOFT.  THIS TRICKY PATTERN WILL CONTINUE WITH
MODERATE AMOUNT OF INSTABILITY AND SHEAR.  WILL ADDRESS THIS BELOW
AND THE NEW JOHN HART SPCDY1 OUTLOOK FOR SLIGHT RISK IN THE
PARAGRAPHS BELOW.

LATEST SURFACE ANALYSIS HAS WARM FRONT FROM LOW IN ERN IA...TO CGI-
MKL AND THEN INTO THE CRIMSON STATE AND THE PEACH STATE.  DEW
POINTS ARE IN THE LOW 60S EXCEPT NRN PLATEAU WHERE MID TO UPPER 50S
EXIST.  LATEST MSAS HAS MDT MOISTURE CONVERGENCE ALONG WARM FRONT
AND LIS IN THE -1 TO -3 RANGE...HOWEVER FROM BNA EASTWARD MUCH MORE
STABLE VALUES.  COLDER TOPS ARE BEING OBSERVED IN THE WESTERN CWA
WITH WIND THE MAIN THREAT.

FORECAST PROBLEM OF THE PERIOD...WHETHER TO MENTION IN THE ZONES...

AFTER THIS MCS MOVES THROUGH BY 7-9 AM...FOCUS SHIFTS TO RAPID
INTENSIFICATION IN INSTABILITY ALONG BOUNDARY.  ETA IS FORECASTING
LIS OF -10 BY THIS EVENING...AND LAPSE RATES BETWEEN THE NGM AND ETA
ARE RUNNING -7.5 C/KM TO -8.25 C/KM IN THE 850-500 MB LAYER.  NGM
LOOKS BETTER THAN THE OTHER TWO...WITH BEST LOW LEVEL INFLOW AND
MCS INITIATION OVER WRN KY/SE MO AGAIN AND MOVE E-SE.  SWEAT VALUES
OF OVER 300 ON BOTH ETA AND NGM COMBINE WITH EMBEDDED H5 AND
H4 SHORT WAVES AND STEEP MID LEVEL LAPSE RATES ARE ALL
JUSTIFICATION TO CONCUR WITH SPC OUTLOOK TO MENTION SEVER
STORM IS POSSIBLE IN ALL ZONE GROUPS TODAY AND TONIGHT.

LIKE NGM PARAMETER FIELD...BUT LIKE ETA FRONTAL POSITION ON
WEDNESDAY.  WITH FRONT MOVING THROUGH ON WEDNESDAY AND AVN DOING
BETTER ON POPS...WILL INTRODUCE LOW POPS EVERYWHERE ON WEDNESDAY
AND SCT SHRA/TSRA WEDNESDAY NIGHT

PRELIMINARY NUMBERS FOR COORDINATION...
BNA 087/067 086/055  5521
CSV 081/064 081/053  6631

.BNA...NONE

JDG

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 12:19 AM CDT	Severe Thunderstorm Warning	OHX	Houston, Montgomery, Stewart	26 min
May 23, 1:27 AM CDT	Severe Thunderstorm Warning	OHX	Stewart	33 min
May 23, 2:31 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Humphreys	29 min
May 23, 3:00 AM CDT	Severe Thunderstorm Warning	OHX	Humphreys	20 min
May 23, 3:45 AM CDT	Severe Thunderstorm Warning	OHX	Hickman, Maury	30 min
May 23, 4:15 AM CDT	Severe Thunderstorm Warning	OHX	Giles, Marshall, Maury	30 min
May 23, 1:11 PM CDT	Severe Thunderstorm Warning	OHX	Pickett	49 min
May 23, 1:26 PM CDT	Severe Thunderstorm Warning	OHX	Clay	34 min
May 23, 1:50 PM CDT	Tornado Warning	OHX	Pickett	40 min
May 23, 2:08 PM CDT	Severe Thunderstorm Warning	OHX	Fentress	52 min
May 23, 2:24 PM CDT	Severe Thunderstorm Warning	OHX	Pickett	36 min
May 23, 6:53 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Stewart	67 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2000 Every severe thunderstorm warning in 2000

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.