Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 121, NWS New Orleans, LA

June 15, 2021Harrison County, Jackson County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Jun 15, 2021, 4:08 PM CDT for Harrison County, Jackson County, Mississippi. It was in force for 52 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
Jun 15, 2021, 4:08 PM CDT (21:08 UTC)
Expired
Jun 15, 2021, 5:00 PM CDT
In force
52 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Harrison County, MS, Jackson County, MS

The radar

The Mobile radar (KMOB), 76 km from the middle of the area, began a volume at 21:08 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 12:00Z, 9.1 hours before the alert went out and 72 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 12:00Z on 2021-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2060 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2021-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 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
2060 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
970 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

778 
WUUS54 KLIX 152108
SVRLIX
MSC047-059-152200-
/O.NEW.KLIX.SV.W.0121.210615T2108Z-210615T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
408 PM CDT Tue Jun 15 2021

The National Weather Service in New Orleans has issued a

* Severe Thunderstorm Warning for...
  Harrison County in southern Mississippi...
  Northwestern Jackson County in southern Mississippi...

* Until 500 PM CDT.

* At 408 PM CDT, a severe thunderstorm was located 10 miles north of
  Latimer, or 14 miles north of Biloxi, moving south at 10 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Gulfport, Biloxi, Ocean Springs, Long Beach, St. Martin,
  D'iberville, Saucier, Latimer, Lyman, Gulf Hills and Gulfport
  Airport.

This includes the following Interstates...
 Interstate 10 in Mississippi between mile markers 23 and 51.
 Interstate 110 in Mississippi near mile marker 1, and between mile
markers 3 and 4.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Hail and damaging winds and continuous cloud to ground lightning is 
occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3051 8880 3041 8883 3043 8885 3042 8901
      3041 8899 3042 8891 3040 8886 3038 8907
      3036 8909 3032 8925 3044 8928 3057 8924
      3068 8905 3068 8879
TIME...MOT...LOC 2108Z 015DEG 9KT 3065 8893 

HAIL...0.88IN
WIND...60MPH
 
$$

JRK
3 follow-up statements
772 
WWUS54 KLIX 152125
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
425 PM CDT Tue Jun 15 2021

MSC047-059-152200-
/O.CON.KLIX.SV.W.0121.000000T0000Z-210615T2200Z/
Harrison MS-Jackson MS-
425 PM CDT Tue Jun 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR HARRISON AND WEST CENTRAL JACKSON COUNTIES...

At 425 PM CDT, a severe thunderstorm was located 9 miles northwest of
Latimer, or 11 miles north of Biloxi, moving south at 10 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Gulfport, Biloxi, Long Beach, St. Martin, D'iberville, Saucier,
Latimer, Lyman, Gulf Hills and Gulfport Airport.

This includes the following Interstates...
 Interstate 10 in Mississippi between mile markers 24 and 51.
 Interstate 110 in Mississippi between mile markers 3 and 4.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is also occurring with this storm, and may lead 
to flash flooding. Do not drive your vehicle through flooded 
roadways.

&&

LAT...LON 3049 8880 3042 8883 3043 8885 3043 8899
      3042 8901 3041 8899 3036 8909 3036 8925
      3044 8928 3050 8926 3061 8918 3066 8909
      3068 8904 3062 8880
TIME...MOT...LOC 2125Z 015DEG 9KT 3061 8894 

HAIL...0.75IN
WIND...60MPH
 
$$

JRK
832 
WWUS54 KLIX 152139
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
439 PM CDT Tue Jun 15 2021

MSC059-152149-
/O.CAN.KLIX.SV.W.0121.000000T0000Z-210615T2200Z/
Jackson MS-
439 PM CDT Tue Jun 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL JACKSON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened.
moved out of the warned area. Therefore, the warning has been 
cancelled.

LAT...LON 3068 8905 3062 8896 3040 8917 3038 8926
      3044 8928 3050 8926 3061 8918 3066 8909
TIME...MOT...LOC 2139Z 051DEG 12KT 3061 8911 

$$

MSC047-152200-
/O.CON.KLIX.SV.W.0121.000000T0000Z-210615T2200Z/
Harrison MS-
439 PM CDT Tue Jun 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR CENTRAL HARRISON COUNTY...

At 439 PM CDT, a severe thunderstorm was located over Saucier, or 12
miles north of Gulfport, moving southwest at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

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

This includes Interstate 10 in Mississippi between mile markers 24
and 30.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3068 8905 3062 8896 3040 8917 3038 8926
      3044 8928 3050 8926 3061 8918 3066 8909
TIME...MOT...LOC 2139Z 051DEG 12KT 3061 8911 

HAIL...<.75IN
WIND...60MPH
 
$$

JRK
528 
WWUS54 KLIX 152155
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
455 PM CDT Tue Jun 15 2021

MSC047-152204-
/O.EXP.KLIX.SV.W.0121.000000T0000Z-210615T2200Z/
Harrison MS-
455 PM CDT Tue Jun 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL HARRISON COUNTY WILL
EXPIRE AT 500 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty 
winds, cloud to ground lightning, and heavy rain are still possible 
with this thunderstorm.

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

LAT...LON 3068 8905 3062 8896 3040 8917 3038 8926
      3044 8928 3050 8926 3061 8918 3066 8909
TIME...MOT...LOC 2154Z 015DEG 9KT 3058 8912 

$$

JRK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 3:15 PM CDTSpecial Weather StatementLIXHarrison30 min
Jun 15, 3:19 PM CDTSpecial Weather StatementLIXJackson26 min
Jun 15, 3:57 PM CDTSpecial Weather StatementLIXJackson33 min
Jun 15, 3:59 PM CDTSpecial Weather StatementLIXHarrison31 min
Jun 15, 4:54 PM CDTSpecial Weather StatementLIXHarrison36 min

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; radar from the NEXRAD Level II archive.