Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS New Orleans, LA

January 26, 2021Amite County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Jan 26, 2021, 12:30 AM CST for Amite County, Mississippi. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jan 26, 2021, 12:30 AM CST (06:30 UTC)
Expired
Jan 26, 2021, 12:45 AM CST
In force
15 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Amite County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.5 hours before the alert went out and 123 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, Jackson, MS at 00:00Z on 2021-01-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1364 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, Jackson, MS at 00:00Z on 2021-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 294 square meters per square second.1939587897117Sfc1 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
1364 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
701 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
294 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
2.7
Supercell composite
8.3

Open this sounding in Storm Lab

The text

As transmitted.

536 
WUUS54 KLIX 260630
SVRLIX
MSC005-260645-
/O.NEW.KLIX.SV.W.0001.210126T0630Z-210126T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
1230 AM CST Tue Jan 26 2021

The National Weather Service in New Orleans has issued a

* Severe Thunderstorm Warning for...
  Northeastern Amite County in southern Mississippi...

* Until 1245 AM CST.

* At 1230 AM CST, a severe thunderstorm was located over Smithdale,
  or 11 miles northeast of Liberty, moving northeast at 50 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Smithdale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3134 9055 3126 9077 3132 9080 3135 9074
      3135 9055
TIME...MOT...LOC 0630Z 245DEG 42KT 3131 9071 

HAIL...1.00IN
WIND...60MPH
 
$$

MEFFER

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 25, 10:29 PM CSTDense Fog AdvisoryLIX12 hr
Jan 25, 11:47 PM CSTSpecial Weather StatementLIXAmite43 min
Jan 26, 6:35 AM CSTRiver Flood WarningLIXHancock, Pearl River52 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021Every severe thunderstorm warning in 2021

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.