Alert archive / Mississippi / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 28, NWS Memphis, TN

January 17, 1999Prentiss County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Jan 17, 1999, 9:53 PM CST for Prentiss County, Mississippi. It was in force for 47 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 17, 1999, 9:53 PM CST (03:53 UTC)
Expired
Jan 17, 1999, 10:40 PM CST
In force
47 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Prentiss County, MS

The watch it was issued in

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

IssuedProductOfficeLasted
Jan 17, 9:45 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 3.9 hours before the alert went out and 133 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 1999-01-18Temperature 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 00:00Z on 1999-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2449 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
111 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.

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.

In the hours before

Special weather statement, Jan 17, 7:30 PM CST, 2 hours 23 minutes before
MOZ113-115-TNZ001>004-019>021-048>052-180200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
730 PM CST SUN JAN 17 1999

THE TORNADO WATCH FOR THE FOLLOWING COUNTIES HAS BEEN CANCELLED:

IN THE MISSOURI BOOTHEEL:

     DUNKLIN...PEMISCOT

IN WEST TENNESSEE:

     LAKE..OBION..WEAKLEY..HENRY..DYER..GIBSON..CARROLL..
     LAUDERDALE..CROCKETT..TIPTON..HAYWOOD..MADISON

STORMS HAVE MOVED ON EAST INTO MIDDLE TENNESSEE AND ARE NO LONGER
AFFECTING THE MENTIONED COUNTIES.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 7:53 PM CSTSevere Thunderstorm WarningMEGAlcorn, Benton, Tippah47 min
Jan 17, 7:53 PM CSTSevere Thunderstorm WarningMEGMarshall47 min
Jan 17, 8:18 PM CSTSevere Thunderstorm WarningMEGTishomingo47 min
Jan 17, 8:37 PM CSTSevere Thunderstorm WarningMEGPanola, Quitman48 min
Jan 17, 8:57 PM CSTSevere Thunderstorm WarningMEGLafayette48 min
Jan 17, 9:00 PM CSTSevere Thunderstorm WarningMEGBenton35 min
Jan 17, 9:08 PM CSTSevere Thunderstorm WarningMEGTallahatchie47 min
Jan 17, 9:22 PM CSTSevere Thunderstorm WarningMEGYalobusha48 min
Jan 17, 9:48 PM CSTSevere Thunderstorm WarningMEGUnion47 min
Jan 17, 10:01 PM CSTSevere Thunderstorm WarningMEGCalhoun, Pontotoc64 min
Jan 17, 10:07 PM CSTSevere Thunderstorm WarningMEGYalobusha33 min
Jan 17, 10:51 PM CSTSevere Thunderstorm WarningMEGChickasaw49 min
Jan 17, 10:59 PM CSTSevere Thunderstorm WarningMEGLee51 min
Jan 17, 11:08 PM CSTSevere Thunderstorm WarningMEGMonroe47 min
Jan 17, 11:57 PM CSTSevere Thunderstorm WarningMEGMonroe33 min
Jan 17, 6:01 PM CSTSevere Thunderstorm WarningMEGFayette64 min
Jan 17, 6:08 PM CSTTornado WarningMEGMadison47 min
Jan 17, 6:14 PM CSTTornado WarningMEGCrockett, Gibson36 min
Jan 17, 6:17 PM CSTSevere Thunderstorm WarningMEGWeakley48 min
Jan 17, 6:28 PM CSTSevere Thunderstorm WarningMEGHardeman47 min
Jan 17, 6:31 PM CSTSevere Thunderstorm WarningMEGCarroll, Henry49 min
Jan 17, 6:33 PM CSTTornado WarningMEGFayette37 min
Jan 17, 6:35 PM CSTTornado WarningMEGHenderson50 min
Jan 17, 6:38 PM CSTTornado WarningMEGCarroll47 min
Jan 17, 6:40 PM CSTSevere Thunderstorm WarningMEGChester35 min
Jan 17, 6:43 PM CSTTornado WarningMEGHardeman47 min
Jan 17, 6:45 PM CSTSevere Thunderstorm WarningMEGShelby50 min
Jan 17, 6:53 PM CSTSevere Thunderstorm WarningMEGMcNairy62 min
Jan 17, 7:01 PM CSTTornado WarningMEGChester, McNairy49 min
Jan 17, 7:23 PM CSTSevere Thunderstorm WarningMEGHardin62 min
Jan 17, 7:38 PM CSTFlash Flood WarningMEGHardeman, McNairy3 hr
Jan 17, 7:38 PM CSTFlash Flood WarningMEGFayette3 hr
Jan 17, 7:48 PM CSTTornado WarningMEGHardin47 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; the sounding from the Mesonet's radiosonde archive.