Alert archive / Mississippi / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 1

January 19, 200110 counties in Alabama; 6 parishes in Louisiana; 20 counties in Mississippi

The Storm Prediction Center issued this severe thunderstorm watch at Jan 19, 2001, 1:15 AM CST for 10 counties in Alabama; 6 parishes in Louisiana; 20 counties in Mississippi. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jan 19, 2001, 1:15 AM CST (07:15 UTC)
Expired
Jan 19, 2001, 6:00 AM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 36 counties

Choctaw County, AL, Clarke County, AL, Greene County, AL, Hale County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Sumter County, AL, Tuscaloosa County, AL, Washington County, AL, Jefferson Parish, LA, Orleans Parish, LA, Plaquemines Parish, LA, Saint Bernard Parish, LA, Saint Tammany Parish, LA, Washington Parish, LA, Clarke County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Marion County, MS, Pearl River County, MS, Perry County, MS, Stone County, MS, Walthall County, MS, Wayne County, MS

Warnings issued inside it

8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jan 19, 1:17 AM CSTSevere Thunderstorm WarningJANClarke, Lauderdale43 min
Jan 19, 1:28 AM CSTSevere Thunderstorm WarningJANJones32 min
Jan 19, 5:15 AM CSTSevere Thunderstorm WarningLIXSaint Tammany30 min
Jan 19, 5:24 AM CSTSevere Thunderstorm WarningJANMarion36 min
Jan 19, 5:37 AM CSTSevere Thunderstorm WarningJANCovington, Lamar23 min
Jan 19, 5:43 AM CSTSevere Thunderstorm WarningLIXHancock, Harrison, Pearl River37 min
Jan 19, 5:45 AM CSTSevere Thunderstorm WarningJANJasper, Jones30 min
Jan 19, 5:54 AM CSTSevere Thunderstorm WarningJANForrest36 min

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.3 hours before the alert went out and 135 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, Slidell Radar S, LA at 00:00Z on 2001-01-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 74 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, Slidell Radar S, LA at 00:00Z on 2001-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 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
74 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
139 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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 19, 6:00 AM CSTSevere Thunderstorm WatchSPCAutauga, Baldwin, Barbour, Bullock, Butler, Chambers and 27 more5 hr

Nearby

Severe Thunderstorm Watches in Mississippi, 2001Severe Thunderstorm Watches in Alabama, 2001Severe Thunderstorm Watches in Louisiana, 2001Every severe thunderstorm watch in 2001

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.