Alert archive / Louisiana / Tornado Warnings in 2022

Tornado Warning 13, NWS New Orleans, LA

March 30, 2022Saint John the Baptist Parish, Tangipahoa Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Mar 30, 2022, 7:09 PM CDT for Saint John the Baptist Parish, Tangipahoa Parish, Louisiana. It was in force for 21 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: Mar 30, 2022, 7:09 PM CDT (00:09 UTC)
Expired: Mar 30, 2022, 7:30 PM CDT
In force: 21 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Saint John the Baptist Parish, LA, Tangipahoa Parish, LA

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 30, 1:48 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.2 hours before the alert went out and 66 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: 881 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 794 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 361 m²/s²
0-3 km storm-relative helicity: 447 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 11.0

Open this sounding in Storm Lab

The text

As transmitted.

149 
WFUS54 KLIX 310009
TORLIX
LAC095-105-310030-
/O.NEW.KLIX.TO.W.0013.220331T0009Z-220331T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
709 PM CDT Wed Mar 30 2022

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Northeastern St. John The Baptist Parish in southeastern
  Louisiana...
  Southeastern Tangipahoa Parish in southeastern Louisiana...

* Until 730 PM CDT.
    
* At 709 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles north of Laplace, moving northeast at 50 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  northeastern St. John The Baptist and southeastern Tangipahoa
  Parishes.

This includes Interstate 55 in Louisiana between mile markers 5 and
16.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3038 9024 3036 9024 3024 9036 3022 9041
      3016 9043 3014 9049 3017 9051 3018 9047
      3020 9045 3026 9042 3028 9040 3030 9042
      3040 9028
TIME...MOT...LOC 0009Z 236DEG 43KT 3020 9046 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

MEFFER

1 follow-up statement

614 
WWUS54 KLIX 310021
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
721 PM CDT Wed Mar 30 2022

LAC095-105-310031-
/O.EXP.KLIX.TO.W.0013.000000T0000Z-220331T0030Z/
St. John The Baptist LA-Tangipahoa LA-
721 PM CDT Wed Mar 30 2022

...THE TORNADO WARNING FOR NORTHEASTERN ST. JOHN THE BAPTIST AND
SOUTHEASTERN TANGIPAHOA PARISHES WILL EXPIRE AT 730 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds are still possible with
this thunderstorm.

A Tornado Watch remains in effect until 900 PM CDT for southeastern
Louisiana.

LAT...LON 3038 9024 3036 9024 3024 9036 3022 9041
      3016 9043 3014 9049 3017 9051 3018 9047
      3020 9045 3026 9042 3028 9040 3030 9042
      3040 9028
TIME...MOT...LOC 0021Z 236DEG 43KT 3027 9034 

$$

MEFFER

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 7:12 PM CDT	Special Weather Statement	LIX	Lafourche, Orleans, Saint Charles, Terrebonne	63 min
Mar 30, 7:23 PM CDT	Flash Flood Warning	LIX	Saint Tammany, Tangipahoa	65 min
Mar 30, 7:26 PM CDT	Special Weather Statement	LIX	Saint Tammany	79 min
Mar 30, 7:37 PM CDT	Special Marine Warning	LIX		23 min
Mar 30, 7:42 PM CDT	Tornado Warning	LIX	Saint Tammany	18 min
Mar 30, 7:51 PM CDT	Tornado Warning Tornado observed	LIX	Saint Tammany	11 min
Mar 30, 8:04 PM CDT	Special Marine Warning	LIX		56 min
Mar 30, 8:06 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LIX	Jefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles, Saint Tammany	39 min
Mar 30, 8:08 PM CDT	Tornado Warning	LIX	Orleans	10 min
Mar 30, 8:18 PM CDT	Flash Flood Warning	LIX	Jefferson, Orleans, Saint Bernard, Saint Charles	68 min
Mar 30, 8:18 PM CDT	Tornado Warning	LIX	Saint Tammany	42 min
Mar 30, 8:41 PM CDT	Special Weather Statement	LIX	Jefferson	64 min
Mar 30, 8:56 PM CDT	Special Marine Warning	LIX		64 min
Mar 30, 9:46 PM CDT	Small Craft Advisory	LIX		18 hr
Mar 30, 10:05 PM CDT	Special Marine Warning	LIX		115 min

Nearby

Tornado Warnings in Louisiana, 2022 Every tornado warning in 2022 Tornadoes in 2022

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.