Alert archive / Tennessee / Tornado Warnings in 1999

Tornado Warning 52, NWS Memphis, TN

January 21, 1999Dyer County, Lake County, Obion County, Tennessee

NWS Memphis, TN issued this tornado warning at Jan 21, 1999, 10:25 PM CST for Dyer County, Lake County, Obion County, Tennessee. It was in force for 45 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
Jan 21, 1999, 10:25 PM CST (04:25 UTC)
Expired
Jan 21, 1999, 11:10 PM CST
In force
45 min
Issued by
NWS Memphis, TN
Area
Whole counties

Counties Dyer County, TN, Lake County, TN, Obion County, TN

The watch it was issued in

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

IssuedProductOfficeLasted
Jan 21, 9:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 4.4 hours before the alert went out and 167 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-pSkew-T log-p diagram, Little Rock, AR at 00:00Z on 1999-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 725 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 1999-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
725 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
1259 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
0.8
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

999 
WFUS1 KMEM 220424 RRA
TORMEM
TNC045-095-131-220510-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1025 PM CST THU JAN 21 1999


THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  DYER COUNTY IN WESTERN TENNESSEE
  LAKE COUNTY IN WESTERN TENNESSEE
  OBION COUNTY IN WESTERN TENNESSEE

* UNTIL 1110 PM CST

* AT 1022 PM CST... DOPPLER RADAR INDICATED A TORNADO NORTHEAST OF
  BLYTHEVILLE...MOVING NORTHEAST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
  HELOISE BY 1030 PM CST
  RIDGELY BY 1040 PM CST
  WYNNBURG BY 1045 PM CST
  TIPTONVILLE BY 1045 PM CST
  SAMBURG BY 1045 PM CST
  CRONANVILLE BY 1050 PM CST

.THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A PLACE OF SAFETY...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 8:20 PM CSTTornado WarningMEGDyer, Obion45 min
Jan 21, 11:05 PM CSTTornado WarningMEGShelby45 min
Jan 21, 11:14 PM CSTTornado WarningMEGLake51 min
Jan 21, 11:21 PM CSTTornado WarningMEGFayette49 min
Jan 22, 12:02 AM CSTTornado WarningMEGHardeman33 min
Jan 22, 12:13 AM CSTTornado WarningMEGFayette17 min
Jan 22, 1:30 AM CSTTornado WarningMEGFayette45 min
Jan 22, 2:10 AM CSTSevere Thunderstorm WarningMEGHardeman50 min
Jan 22, 2:16 AM CSTTornado WarningMEGMadison49 min
Jan 22, 2:27 AM CSTTornado WarningMEGHenderson48 min
Jan 22, 2:32 AM CSTTornado WarningMEGFayette, Hardeman48 min
Jan 22, 2:41 AM CSTTornado WarningMEGCarroll49 min
Jan 22, 3:00 AM CSTTornado WarningMEGChester50 min
Jan 22, 3:21 AM CSTSevere Thunderstorm WarningMEGFayette49 min
Jan 22, 3:26 AM CSTTornado WarningMEGHenderson49 min
Jan 22, 3:51 AM CSTSevere Thunderstorm WarningMEGShelby49 min
Jan 22, 4:00 AM CSTSevere Thunderstorm WarningMEGCarroll50 min
Jan 22, 4:18 AM CSTTornado WarningMEGMadison47 min
Jan 22, 5:23 AM CSTSevere Thunderstorm WarningMEGShelby47 min
Jan 22, 6:05 AM CSTSevere Thunderstorm WarningMEGFayette50 min
Jan 22, 6:36 AM CSTSevere Thunderstorm WarningMEGHardeman39 min
Jan 22, 7:35 AM CSTSevere Thunderstorm WarningMEGHardeman40 min
Jan 22, 8:17 AM CSTSevere Thunderstorm WarningMEGChester33 min
Jan 22, 10:54 AM CSTSevere Thunderstorm WarningMEGChester, Hardeman, McNairy51 min
Jan 22, 11:16 AM CSTTornado WarningMEGChester34 min
Jan 22, 11:40 AM CSTTornado WarningMEGHenderson, Madison50 min
Jan 22, 11:51 AM CSTTornado WarningMEGHardeman34 min
Jan 22, 12:12 PM CSTTornado WarningMEGMcNairy33 min
Jan 22, 12:52 PM CSTSevere Thunderstorm WarningMEGHardin33 min
Jan 22, 1:11 PM CSTTornado WarningMEGMcNairy34 min
Jan 22, 1:18 PM CSTTornado WarningMEGHardin32 min
Jan 22, 3:18 PM CSTSevere Thunderstorm WarningMEGHardin, McNairy32 min

Nearby

Tornado Warnings in Tennessee, 1999Every tornado warning in 1999Tornadoes in 1999

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.