Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 43, NWS New Orleans, LA

August 29, 2021Harrison County, Mississippi

NWS New Orleans, LA issued this tornado warning at Aug 29, 2021, 5:12 PM CDT for Harrison County, Mississippi. It was in force for 33 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: Aug 29, 2021, 5:12 PM CDT (22:12 UTC)
Expired: Aug 29, 2021, 5:45 PM CDT
In force: 33 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Harrison County, MS

The watch it was issued in

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

Issued	Product	Office	Lasted
Aug 29, 6:07 AM CDT	Tornado Watch	SPC	13 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.2 hours before the alert went out and 63 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3256 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -55 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

As transmitted.

712 
WFUS54 KLIX 292212
TORLIX
MSC047-292245-
/O.NEW.KLIX.TO.W.0043.210829T2212Z-210829T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
512 PM CDT Sun Aug 29 2021

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Central Harrison County in southern Mississippi...

* Until 545 PM CDT.
    
* At 511 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles southeast of Gulfport, moving northwest 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 dangerous storm will be near...
  Gulfport and Biloxi around 525 PM CDT.
  Lyman around 530 PM CDT.
  Saucier around 540 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Gulfport Airport.

This includes Interstate 10 in Mississippi between mile markers 30
and 41.
 
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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3043 8899 3042 8901 3039 8896 3038 8907
      3036 8909 3036 8912 3060 8934 3063 8934
      3065 8924 3068 8918 3067 8903 3042 8896
TIME...MOT...LOC 2211Z 150DEG 45KT 3031 8901 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

JRK

3 follow-up statements

115 
WWUS54 KLIX 292218
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
518 PM CDT Sun Aug 29 2021

MSC047-292245-
/O.CON.KLIX.TO.W.0043.000000T0000Z-210829T2245Z/
Harrison MS-
518 PM CDT Sun Aug 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR WESTERN
HARRISON COUNTY...
    
At 517 PM CDT, a severe thunderstorm capable of producing a tornado
was moving onshore near Gulfport, moving northwest at 55 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.

Locations impacted include...
Gulfport, Saucier, Lyman and Gulfport Airport. 

This includes Interstate 10 in Mississippi between mile markers 30
and 37.
 
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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3068 8913 3052 8907 3038 8902 3038 8907
      3036 8909 3036 8912 3060 8934 3063 8934
      3065 8924 3068 8918
TIME...MOT...LOC 2217Z 144DEG 49KT 3037 8906 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

JRK

892 
WWUS54 KLIX 292232
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
532 PM CDT Sun Aug 29 2021

MSC047-292245-
/O.CON.KLIX.TO.W.0043.000000T0000Z-210829T2245Z/
Harrison MS-
532 PM CDT Sun Aug 29 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
NORTHWESTERN HARRISON COUNTY...
    
At 531 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Lyman, or 9 miles northwest of Gulfport, moving
northwest at 55 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.

Locations impacted include...
Gulfport, Lyman and Saucier. 

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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3048 8911 3047 8916 3053 8926 3055 8929
      3060 8933 3063 8934 3065 8924 3067 8918
TIME...MOT...LOC 2231Z 144DEG 48KT 3054 8918 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

JRK

754 
WWUS54 KLIX 292248
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
548 PM CDT Sun Aug 29 2021

MSC047-292258-
/O.EXP.KLIX.TO.W.0043.000000T0000Z-210829T2245Z/
Harrison MS-
548 PM CDT Sun Aug 29 2021

...THE TORNADO WARNING FOR NORTHWESTERN HARRISON COUNTY HAS
EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been allowed to expire.

A Tornado Watch remains in effect until 700 PM CDT for southern
Mississippi.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
New Orleans.

LAT...LON 3048 8911 3047 8916 3053 8926 3055 8929
      3060 8933 3063 8934 3065 8924 3067 8918
TIME...MOT...LOC 2248Z 150DEG 45KT 3071 8929 

$$

JRK

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 29, 6:21 AM CDT	Tornado Warning	LIX	Hancock, Harrison	24 min
Aug 29, 8:10 AM CDT	Tornado Warning	LIX	Jackson	24 min
Aug 29, 2:15 PM CDT	Tornado Warning	LIX	Hancock, Harrison, Pearl River	15 min
Aug 29, 3:07 PM CDT	Tornado Warning	LIX	Hancock	23 min
Aug 29, 5:20 PM CDT	Flash Flood Warning	LIX	Harrison	5 hr
Aug 29, 6:09 PM CDT	Flash Flood Warning	LIX	Hancock, Harrison	8 hr
Aug 29, 6:25 PM CDT	Tornado Warning	LIX	Hancock	35 min
Aug 29, 6:54 PM CDT	Tornado Warning	LIX	Hancock, Pearl River	36 min

Nearby

Tornado Warnings in Mississippi, 2021 Every tornado warning in 2021 Tornadoes 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.