Alert archive / Mississippi / Tornado Warnings in 1999

Tornado Warning 56, NWS Memphis, TN

January 21, 1999DeSoto County, Mississippi

NWS Memphis, TN issued this tornado warning at Jan 21, 1999, 10:56 PM CST for DeSoto County, Mississippi. It was in force for 49 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
Jan 21, 1999, 10:56 PM CST (04:56 UTC)
Expired
Jan 21, 1999, 11:45 PM CST
In force
49 min
Issued by
NWS Memphis, TN
Area
Whole counties

County DeSoto County, MS

The radar

The Memphis radar (KNQA), 53 km from the middle of the area, began a volume at 04:57 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

TimeReportWhereRemark
Jan 21, 11:30 PM CSTThunderstorm WindOlive Branch, MSA carport awning was blown over. At least one home suffered roof damage.

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.

IssuedProductOfficeLasted
Jan 21, 9:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 4.9 hours before the alert went out and 6 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 220455 RRA
TORMEM
MSC033-220545-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1056 PM CST THU JAN 21 1999


THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  DE SOTO COUNTY IN NORTHWESTERN MISSISSIPPI

* UNTIL 1145 PM CST

* AT 1055 PM CST... DOPPLER RADAR INDICATED A TORNADO JUST NORTH OF
COLDWATER IN TATE COUNTY.  MOVING NORTHEAST AT 45 MPH.


* THE TORNADO WILL BE NEAR...
NEAR HERNANDO BY 1105
NEAR PLEASANT HILL BY 1115

.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, 10:02 PM CSTTornado WarningMEGTallahatchie48 min
Jan 21, 10:08 PM CSTTornado WarningMEGQuitman47 min
Jan 21, 10:29 PM CSTTornado WarningMEGPanola51 min
Jan 21, 10:46 PM CSTTornado WarningMEGTate39 min
Jan 21, 11:08 PM CSTTornado WarningMEGMarshall32 min
Jan 21, 11:12 PM CSTTornado WarningMEGQuitman, Tallahatchie48 min
Jan 21, 11:55 PM CSTTornado WarningMEGPanola35 min
Jan 21, 11:59 PM CSTTornado WarningMEGQuitman, Tallahatchie31 min
Jan 22, 12:00 AM CSTTornado WarningMEGTate45 min
Jan 22, 12:32 AM CSTTornado WarningMEGPanola18 min
Jan 22, 1:06 AM CSTTornado WarningMEGMarshall, Tate49 min
Jan 22, 1:55 AM CSTSevere Thunderstorm WarningMEGMarshall, Tate45 min
Jan 22, 2:23 AM CSTTornado WarningMEGBenton, Marshall47 min
Jan 22, 3:21 AM CSTSevere Thunderstorm WarningMEGMarshall49 min
Jan 22, 8:07 AM CSTSevere Thunderstorm WarningMEGTallahatchie, Yalobusha48 min
Jan 22, 8:26 AM CSTSevere Thunderstorm WarningMEGPanola34 min
Jan 22, 8:30 AM CSTSevere Thunderstorm WarningMEGLafayette50 min
Jan 22, 9:43 AM CSTTornado WarningMEGBenton37 min
Jan 22, 10:05 AM CSTTornado WarningMEGMarshall35 min
Jan 22, 10:18 AM CSTTornado WarningMEGBenton32 min
Jan 22, 10:29 AM CSTTornado WarningMEGLafayette51 min
Jan 22, 10:35 AM CSTTornado WarningMEGTippah35 min
Jan 22, 10:50 AM CSTSevere Thunderstorm WarningMEGYalobusha20 min
Jan 22, 11:23 AM CSTTornado WarningMEGBenton, Tippah32 min
Jan 22, 11:49 AM CSTTornado WarningMEGCalhoun31 min
Jan 22, 12:18 PM CSTSevere Thunderstorm WarningMEGLee, Pontotoc32 min
Jan 22, 12:43 PM CSTTornado WarningMEGLee17 min
Jan 22, 12:46 PM CSTSevere Thunderstorm WarningMEGAlcorn, Prentiss44 min
Jan 22, 12:58 PM CSTSevere Thunderstorm WarningMEGItawamba17 min
Jan 22, 1:01 PM CSTTornado WarningMEGAlcorn19 min
Jan 22, 1:07 PM CSTTornado WarningMEGPrentiss18 min
Jan 22, 1:14 PM CSTTornado WarningMEGTishomingo31 min
Jan 22, 1:49 PM CSTSevere Thunderstorm WarningMEGCalhoun36 min
Jan 22, 1:59 PM CSTSevere Thunderstorm WarningMEGMonroe21 min
Jan 22, 2:06 PM CSTSevere Thunderstorm WarningMEGPontotoc49 min
Jan 22, 2:24 PM CSTSevere Thunderstorm WarningMEGMonroe16 min
Jan 22, 2:42 PM CSTSevere Thunderstorm WarningMEGLee33 min
Jan 22, 2:50 PM CSTSevere Thunderstorm WarningMEGCalhoun35 min
Jan 22, 2:53 PM CSTTornado WarningMEGLee32 min
Jan 22, 3:02 PM CSTSevere Thunderstorm WarningMEGPrentiss33 min
Jan 22, 3:06 PM CSTTornado WarningMEGPrentiss34 min
Jan 22, 3:28 PM CSTSevere Thunderstorm WarningMEGTishomingo32 min
Jan 22, 3:36 PM CSTSevere Thunderstorm WarningMEGCalhoun49 min
Jan 22, 4:07 PM CSTSevere Thunderstorm WarningMEGChickasaw48 min
Jan 22, 4:35 PM CSTSevere Thunderstorm WarningMEGLee, Pontotoc50 min
Jan 22, 4:56 PM CSTTornado WarningMEGLee, Prentiss34 min
Jan 22, 5:10 PM CSTSevere Thunderstorm WarningMEGItawamba35 min
Jan 22, 5:39 PM CSTTornado WarningMEGTishomingo21 min

Nearby

Tornado Warnings in Mississippi, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.