Alert archive / Mississippi / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 121, NWS Memphis, TN

March 2, 1999Lee County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Mar 2, 1999, 5:06 PM CST for Lee County, Mississippi. It was in force for 34 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
Mar 2, 1999, 5:06 PM CST (23:06 UTC)
Expired
Mar 2, 1999, 5:40 PM CST
In force
34 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Lee County, MS

What was reported inside it

TimeReportWhereRemark
Mar 2, 5:06 PM CSTHail 1.75Tupelo Arpt, MSHail ranged in size from dimes to golfballs.

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
Mar 2, 4:30 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.1 hours before the alert went out and 131 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 12:00Z on 1999-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1999-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1702 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 12:44 PM CSTSevere Thunderstorm WarningMEGQuitman36 min
Mar 2, 1:38 PM CSTSevere Thunderstorm WarningMEGPanola32 min
Mar 2, 2:35 PM CSTSevere Thunderstorm WarningMEGPanola35 min
Mar 2, 2:47 PM CSTSevere Thunderstorm WarningMEGLafayette33 min
Mar 2, 3:18 PM CSTSevere Thunderstorm WarningMEGLafayette47 min
Mar 2, 3:40 PM CSTSevere Thunderstorm WarningMEGPontotoc, Union50 min
Mar 2, 3:59 PM CSTTornado WarningMEGUnion31 min
Mar 2, 4:15 PM CSTSevere Thunderstorm WarningMEGPontotoc35 min
Mar 2, 4:23 PM CSTSevere Thunderstorm WarningMEGLee27 min
Mar 2, 4:44 PM CSTSevere Thunderstorm WarningMEGLafayette36 min
Mar 2, 4:47 PM CSTSevere Thunderstorm WarningMEGItawamba33 min
Mar 2, 5:13 PM CSTSevere Thunderstorm WarningMEGPontotoc47 min
Mar 2, 5:34 PM CSTSevere Thunderstorm WarningMEGYalobusha31 min
Mar 2, 5:40 PM CSTSevere Thunderstorm WarningMEGItawamba35 min
Mar 2, 3:11 PM CSTSevere Thunderstorm WarningMEGFayette44 min
Mar 2, 3:16 PM CSTSevere Thunderstorm WarningMEGCrockett, Haywood49 min
Mar 2, 3:16 PM CSTSevere Thunderstorm WarningMEGTipton49 min
Mar 2, 3:57 PM CSTSevere Thunderstorm WarningMEGFayette33 min
Mar 2, 4:00 PM CSTSevere Thunderstorm WarningMEGHardeman65 min
Mar 2, 4:06 PM CSTSevere Thunderstorm WarningMEGWeakley49 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1999Every severe thunderstorm warning 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.