Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 70, NWS New Orleans, LA

April 15, 2021Jackson County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Apr 15, 2021, 3:49 AM CDT for Jackson County, Mississippi. It was in force for 41 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: Apr 15, 2021, 3:49 AM CDT (08:49 UTC)
Expired: Apr 15, 2021, 4:30 AM CDT
In force: 41 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Jackson County, MS

The radar

The Mobile radar (KMOB), 51 km from the middle of the area, began a volume at 08:52 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.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.8 hours before the alert went out and 103 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 5 J/kg
Mixed-layer CIN: -620 J/kg
Mixed-layer LCL: 709 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 311 m²/s²
0-3 km storm-relative helicity: 272 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

097 
WUUS54 KLIX 150849
SVRLIX
MSC059-150930-
/O.NEW.KLIX.SV.W.0070.210415T0849Z-210415T0930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
349 AM CDT Thu Apr 15 2021

The National Weather Service in New Orleans has issued a

* Severe Thunderstorm Warning for...
  Southern Jackson County in southern Mississippi...

* Until 430 AM CDT.

* At 348 AM CDT, a severe thunderstorm was located over Gautier, or 7
  miles east of Ocean Springs, moving east at 35 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Ocean Springs, Moss Point, Escatawpa, St. Martin, Gautier, Helena,
  Gulf Hills, Gulf Park Estates, Hickory Hills, Latimer and
  Vancleave.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3036 8845 3033 8845 3032 8850 3034 8851
      3034 8857 3037 8859 3034 8870 3038 8878
      3037 8882 3036 8883 3038 8885 3039 8879
      3043 8885 3043 8888 3048 8888 3052 8840
      3038 8841 3035 8839
TIME...MOT...LOC 0848Z 268DEG 31KT 3041 8866 

HAIL...1.00IN
WIND...<50MPH
 
$$

CAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 9:04 PM CDT	River Flood Warning	LIX	Pearl River	4 days
Apr 14, 9:34 PM CDT	Special Weather Statement	LIX	Hancock	71 min
Apr 15, 2:38 AM CDT	Severe Thunderstorm Warning	LIX	Pike	27 min
Apr 15, 2:44 AM CDT	Special Weather Statement	LIX	Pearl River	61 min
Apr 15, 3:04 AM CDT	Severe Thunderstorm Warning	LIX	Jackson	41 min
Apr 15, 3:10 AM CDT	Special Weather Statement	LIX	Walthall	65 min
Apr 15, 3:16 AM CDT	Flash Flood Warning	LIX	Hancock, Harrison	3 hr
Apr 15, 3:26 AM CDT	Special Weather Statement	LIX	George	34 min
Apr 15, 3:35 AM CDT	Flash Flood Warning	LIX	Harrison, Jackson	3 hr
Apr 15, 3:40 AM CDT	Special Weather Statement	LIX	Wilkinson	95 min
Apr 15, 3:59 AM CDT	Special Weather Statement	LIX	Wilkinson	76 min
Apr 15, 4:34 AM CDT	Special Weather Statement	LIX	Jackson	56 min
Apr 15, 4:36 AM CDT	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	24 min
Apr 15, 4:44 AM CDT	Severe Thunderstorm Warning	LIX	Jackson	31 min
Apr 15, 6:40 AM CDT	River Flood Warning	LIX	Pearl River	4 days
Apr 15, 6:44 AM CDT	River Flood Warning	LIX	Pike	33 hr
Apr 15, 7:43 AM CDT	River Flood Warning	LIX	Harrison	51 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021 Every 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; radar from the NEXRAD Level II archive.