Alert archive / Tennessee / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 71, NWS Morristown, TN

May 28, 2000Johnson County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at May 28, 2000, 4:04 PM EDT for Johnson County, Tennessee. It was in force for 26 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: May 28, 2000, 4:04 PM EDT (20:04 UTC)
Expired: May 28, 2000, 4:30 PM EDT
In force: 26 min
Issued by: NWS Morristown, TN
Area: Whole counties

County Johnson County, TN

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 28, 4:00 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.1 hours before the alert went out and 180 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: 165 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 935 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 207 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

426 
WUUS54 KMRX 282004
SVRMRX
TNC091-282030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
404 PM EDT SUN MAY 28 2000

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

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

* UNTIL 430 PM EDT

* AT 357 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 14 MILES WEST OF MOUNTAIN CITY...OR 9 MILES
  SOUTHEAST OF BRISTOL TN...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MOUNTAIN CITY AROUND 425 PM EDT
  LAUREL BLOOMERY AROUND 430 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.
  DAMAGING HAIL UP TO 1 3/4 INCH IN DIAMETER...OR THE SIZE OF
  GOLFBALLS.
  VERY HEAVY RAINFALL WHICH MAY CAUSE LOCALIZED FLOODING.
  FREQUENT AND DEADLY CLOUD-TO-GROUND LIGHTNING.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A STRONG BUILDING.

$$

LAT...LON 3659 8187 3643 8198 3636 8162 3656 8161

DM

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 May 28, 1:27 PM EDT, 2 hours 37 minutes earlier.

Area forecast discussion, May 28, 1:27 PM EDT, 2 hours 37 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
127 PM EDT SUN MAY 28 2000

COLD FRONT IS HARD TO DISCERN BUT WOULD PLACE LOCATION BETWEEN BNA
AND CSV. AIRMASS AHEAD OF FRONT IS BECOMING QUITE UNSTABLE WITH MSAS
LIFTED INDICES ALREADY NEARING -6 ACROSS THE NORTHERN PLATEAU AND
NORTHERN CENTRAL OF THE VALLEY. GIVEN INCOMING UPPER LOW AND
ASSOCIATED COLD AIR ALOFT PULLING SOUTHEAST INTO THE SOUTHERN
APPALACHIANS WOULD EXPECT CONTINUED DESTABILIZATION OF THE AIR OVER
THE REGION. WILL CONTINUE WORDING OF SOME POSSIBLY SEVERE THIS
EVENING OVER THE NORTHERN HALF OF THE FORECAST AREA...ESPECIALLY FOR
SOUTHWEST VIRGINIA AND NORTHEAST TENNESSEE. GIVEN THE LOWERING WBZ
AND DRY AIR INTRUSION IN THE MID-LEVELS...MAIN THREAT WILL BE LARGE
HAIL AND DAMAGING DOWNBURST WINDS.

FRONT SWEEPS EAST EARLY WITH A GOOD DEAL OF COLD AIR ADVECTION
STRATU-CU MOVING INTO THE REGION FOR TONIGHT...MEMORIAL DAY AND
THEN PULLING OUT MONDAY NIGHT/EARLY TUESDAY.  ALSO...SOME LIGHT
SHOWERS ARE POSSIBLE FOR THE NORTHEAST THIRD OF THE FORECAST AREA
FOR MEMORIAL DAY. SINCE I AM FORECASTING MORE CLOUDS FOR MEMORIAL
DAY WILL TREND TOWARD THE COOLER GUIDANCE VALUES FOR TOMORROW.

LARGE RIDGE BUILDS INTO THE REGION FOR THE REST OF THE WEEK AND
EXPECT DRY AND WARMER TEMPERATURES.  HIGHS FOR THE LATTER HALF OF
THE WEEK WILL BE IN THE LOWER AND MID 90S ACROSS THE VALLEY.

THE FOLLOWING NUMBERS ARE FOR COORDINATION PURPOSES ONLY:

FCSTID = 15
CHA   58  80  57  87 /  10   0   0   0
TYS   57  75  56  85 /  30   0   0   0
TRI   56  71  51  80 /  60  30   5   0
OQT   57  76  56  85 /  20   0   0   0

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

In the hours before

Local storm report, May 28, 3:52 PM EDT, 12 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
352 PM EDT SUN MAY 28 2000

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

0330 PM    GATE CITY                 VA   WIND DAMAGE
05/28/00   SCOTT                          REPORTED BY DISPATCH
                                          TREE DOWN EAST OF GATE
                                          CITY ON HWY 619

0330 PM    KINGSPORT                 TN   0.75 INCH HAIL
05/28/00   SULLIVAN                       REPORTED BY DISPATCH
                                          DIME SIZE HAIL AROUND
                                          KINGSPORT

0335 PM    BLOOMINGDALE              TN   1.75 INCH HAIL
05/28/00   SULLIVAN                       REPORTED BY DISPATCH
                                          GOLFBALL SIZE HAIL NEAR
                                          BLOOMINGDALE

0347 PM    BLOOMINGDALE              TN   WIND DAMAGE
05/28/00   SULLIVAN                       REPORTED BY DISPATCH
                                          NUMEROUS TREES DOWN IN
                                          BLOOMINGDALE AREA

END
MEP

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 8:14 PM EDT	Severe Thunderstorm Warning	MRX	Meigs	31 min
May 27, 8:15 PM EDT	Severe Thunderstorm Warning	MRX	Knox, Union	45 min
May 27, 8:15 PM EDT	Severe Thunderstorm Warning	MRX	Blount	45 min
May 27, 8:28 PM EDT	Severe Thunderstorm Warning	MRX	Monroe	32 min
May 27, 8:31 PM EDT	Severe Thunderstorm Warning	MRX	Grainger, Jefferson	44 min
May 27, 8:31 PM EDT	Severe Thunderstorm Warning	MRX	Sevier	44 min
May 27, 8:45 PM EDT	Severe Thunderstorm Warning	MRX	Hancock, Hawkins	45 min
May 27, 8:45 PM EDT	Severe Thunderstorm Warning	MRX	Cocke, Hamblen	45 min
May 27, 9:00 PM EDT	Severe Thunderstorm Warning	MRX	Sullivan	30 min
May 27, 9:04 PM EDT	Severe Thunderstorm Warning	MRX	Greene	41 min
May 27, 9:19 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Sevier	26 min
May 27, 9:26 PM EDT	Severe Thunderstorm Warning	MRX	Bradley	34 min
May 27, 9:29 PM EDT	Severe Thunderstorm Warning	MRX	Johnson, Sullivan	46 min
May 27, 9:36 PM EDT	Severe Thunderstorm Warning	MRX	Unicoi, Washington	29 min
May 27, 9:52 PM EDT	Severe Thunderstorm Warning	MRX	Carter	43 min
May 27, 10:23 PM EDT	Severe Thunderstorm Warning	MRX	Johnson	37 min
May 28, 3:10 PM EDT	Severe Thunderstorm Warning	MRX	Sullivan	35 min
May 28, 3:45 PM EDT	Severe Thunderstorm Warning	MRX	Sullivan	30 min
May 28, 4:21 PM EDT	Severe Thunderstorm Warning	MRX	Blount	29 min
May 28, 6:34 PM EDT	Severe Thunderstorm Warning	MRX	Sullivan	41 min
May 28, 7:17 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Johnson	58 min
May 28, 7:25 PM EDT	Severe Thunderstorm Warning	MRX	Unicoi	50 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; the sounding from the Mesonet's radiosonde archive.