Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 102, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at May 11, 2021, 10:54 AM CDT for Jackson County, Mississippi. It was in force for 51 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
- May 11, 2021, 10:54 AM CDT (15:54 UTC)
- Expired
- May 11, 2021, 11:45 AM CDT
- In force
- 51 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Jackson County, MS
The radar
The Mobile radar (KMOB), 52 km from the middle of the area, began a volume at 15:58 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, 3.9 hours before the alert went out and 100 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.
- Mixed-layer CAPE
- 2600 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 469 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.1
The text
As transmitted.
852
WUUS54 KLIX 111554
SVRLIX
MSC059-111645-
/O.NEW.KLIX.SV.W.0102.210511T1554Z-210511T1645Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
1054 AM CDT Tue May 11 2021
The National Weather Service in New Orleans has issued a
* Severe Thunderstorm Warning for...
Southwestern Jackson County in southern Mississippi...
* Until 1145 AM CDT.
* At 1053 AM CDT, a severe thunderstorm was located near Gulf Park
Estates, or near Ocean Springs, moving north at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Ocean Springs, Gautier, Vancleave, Gulf Park Estates, Hickory Hills
and Gulf Hills.
This includes Interstate 10 in Mississippi between mile markers 53
and 65.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3037 8861 3036 8862 3037 8863 3036 8864
3036 8867 3034 8871 3034 8873 3037 8878
3061 8885 3059 8856
TIME...MOT...LOC 1553Z 174DEG 18KT 3035 8871
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
MEFFER2 follow-up statements
155
WWUS54 KLIX 111620
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
1120 AM CDT Tue May 11 2021
MSC059-111645-
/O.CON.KLIX.SV.W.0102.000000T0000Z-210511T1645Z/
Jackson MS-
1120 AM CDT Tue May 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT
FOR SOUTHWESTERN JACKSON COUNTY...
At 1120 AM CDT, a severe thunderstorm was located over Gulf Hills, or
near Ocean Springs, moving northeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Ocean Springs, Gautier, Vancleave, Gulf Park Estates, Hickory Hills
and Gulf Hills.
This includes Interstate 10 in Mississippi between mile markers 53
and 65.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3037 8861 3036 8862 3037 8863 3036 8864
3036 8867 3034 8871 3034 8873 3037 8878
3061 8885 3059 8856
TIME...MOT...LOC 1620Z 243DEG 29KT 3046 8878
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
MEFFER638
WWUS54 KLIX 111640 RRA
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
1140 AM CDT Tue May 11 2021
MSC059-111650-
/O.EXP.KLIX.SV.W.0102.000000T0000Z-210511T1645Z/
Jackson MS-
1140 AM CDT Tue May 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN JACKSON COUNTY
WILL EXPIRE AT 1145 AM 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 are still possible with this thunderstorm.
LAT...LON 3037 8861 3036 8862 3037 8863 3036 8864
3036 8867 3034 8871 3034 8873 3037 8878
3061 8885 3059 8856
TIME...MOT...LOC 1640Z 174DEG 18KT 3056 8879
$$
MEFFERThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 3:11 AM CDT | Flash Flood Watch | LIX | Amite, Pearl River, Pike, Walthall, Wilkinson | 39 hr |
| May 11, 8:49 AM CDT | Areal Flood Advisory | LIX | Hancock | 116 min |
| May 11, 9:14 AM CDT | Severe Thunderstorm Warning | LIX | Pearl River | 29 min |
| May 11, 9:47 AM CDT | Special Weather Statement | LIX | Pearl River | 43 min |
| May 11, 10:10 AM CDT | River Flood Warning | LIX | Pearl River | 34 hr |
| May 11, 10:10 AM CDT | River Flood Warning | LIX | Pearl River | 33 hr |
| May 11, 10:13 AM CDT | Special Weather Statement | LIX | Hancock | 47 min |
| May 11, 10:34 AM CDT | Special Weather Statement | LIX | Walthall | 56 min |
| May 11, 10:57 AM CDT | Severe Thunderstorm Warning | LIX | Harrison, Jackson | 48 min |
| May 11, 11:25 AM CDT | Areal Flood Advisory | LIX | Pearl River | 3 hr |
| May 11, 11:42 AM CDT | Special Weather Statement | LIX | Jackson | 63 min |
| May 11, 1:24 PM CDT | Areal Flood Advisory | LIX | Hancock, Pearl River | 66 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.