Alert archive / Tennessee / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 91, NWS Morristown, TN

June 25, 2000Greene County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Jun 25, 2000, 8:21 PM EDT for Greene County, Tennessee. It was in force for 24 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: Jun 25, 2000, 8:21 PM EDT (00:21 UTC)
Expired: Jun 25, 2000, 8:45 PM EDT
In force: 24 min
Issued by: NWS Morristown, TN
Area: Whole counties

County Greene County, TN

The radar

The Knoxville radar (KMRX), 50 km from the middle of the area, began a volume at 00:24 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.4 hours before the alert went out and 265 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: 25 J/kg
Mixed-layer CIN: -225 J/kg
Mixed-layer LCL: 1686 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -47 m²/s²
0-3 km storm-relative helicity: -32 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.

329 
WUUS54 KMRX 260021
SVRMRX
TNC059-260045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED HEADER
NATIONAL WEATHER SERVICE MORRISTOWN TN
821 PM EDT SUN JUN 25 2000

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GREENE COUNTY IN EASTERN TENNESSEE

* UNTIL 845 PM EDT

* AT 819 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR ROMEO...OR 8 MILES SOUTHEAST OF
  ROGERSVILLE...MOVING EAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BAILEYTON AROUND 830 PM EDT

THE SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING...
  WINDS UP TO 60 MPH...WHICH COULD PUSH OVER SHALLOW ROOTED TREES AND
  BREAK LIMBS OFF OF TREES ABOUT THE SIZE OF YOUR WRIST.
  HAIL UP TO 1 INCH IN DIAMETER...OR THE SIZE OF QUARTERS.

STAY AWAY FROM WINDOWS.

$$

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 Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 25, 3:15 PM EDT, 5 hours 6 minutes earlier.

Area forecast discussion, Jun 25, 3:15 PM EDT, 5 hours 6 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
315 PM EDT SUN JUN 25 2000

SCATTERED SHOWERS DEVELOPING OVER FORECAST AREA WILL LINGER INTO
EARLY EVENING HOURS AS EXPECTED.  SCATTERED ACTIVITY WILL DEVELOP
AGAIN TOMORROW AND A FEW MORE ON TUESDAY AS MOIST UNSTABLE AIRMASS
CONTINUES TO LINGER OVER REGION.  CAPES NOT EXTREMELY HIGH SO LIMITED
PULSE SEVERE POSSIBLE BUT SHOULD NOT SEE WIDESPREAD SEVERE
ACTIVITY.

TEMPERATURES SHOULD BE NEAR SEASONAL NORMALS WITH HIGHS IN THE
UPPER 80S TO NEAR 90 AND LOWS MAINLY IN THE 60S.

CHA   71  90  70  88 /  30  30  30  40
TYS   68  90  69  88 /  30  30  30  40
TRI   65  87  68  84 /  30  30  30  40
OQT   67  90  69  88 /  30  30  30  40

.MRX...
NC...NONE.
TN...NONE.
VA...NONE.

In the hours before

Local storm report, Jun 25, 6:59 PM EDT, 1 hour 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
659 PM EDT SUN JUN 25 2000

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

0625 PM    TAZEWELL                  TN   WIND DAMAGE
06/25/00   CLAIBORNE                      REPORTED BY DISPATCH
                                          TREES DOWN IN NORTH PART
                                          OF TAZEWELL.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 10:23 PM EDT	Severe Thunderstorm Warning	MRX	Hamilton	37 min
Jun 26, 3:00 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Scott	45 min
Jun 26, 3:15 PM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Union	30 min
Jun 26, 3:37 PM EDT	Severe Thunderstorm Warning	MRX	Grainger	53 min
Jun 26, 3:55 PM EDT	Severe Thunderstorm Warning	MRX	Roane	50 min
Jun 26, 4:40 PM EDT	Severe Thunderstorm Warning	MRX	Roane	35 min
Jun 26, 6:09 PM EDT	Severe Thunderstorm Warning	MRX	Blount	51 min
Jun 26, 6:21 PM EDT	Flash Flood Warning	MRX	Monroe	3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.