Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 49, NWS New Orleans, LA

March 30, 2017Harrison County, Jackson County, Mississippi

NWS New Orleans, LA issued this tornado warning at Mar 30, 2017, 11:42 AM CDT for Harrison County, Jackson County, Mississippi. It was in force for 33 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 30, 2017, 11:42 AM CDT (16:42 UTC)
Expired: Mar 30, 2017, 12:15 PM CDT
In force: 33 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

Counties Harrison County, MS, Jackson County, MS

The radar

The Mobile radar (KMOB), 57 km from the middle of the area, began a volume at 16:45 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.

What was reported inside it

Time	Report	Where	Remark
Mar 30, 11:47 AM CDT	TSTM WND DMG	8 Nnw Ocean Springs, MS	THUNDERSTORM WIND GUST...OR POSSIBLE TORNADO...DOWNED A COUPLE OF TREES NEAR THE LATIMER COMMUNITY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.7 hours before the alert went out and 93 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: 1425 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 619 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 98 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

As transmitted.

965 
WFUS54 KLIX 301642
TORLIX
MSC047-059-301715-
/O.NEW.KLIX.TO.W.0049.170330T1642Z-170330T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
1142 AM CDT THU MAR 30 2017

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Northeastern Harrison County in southern Mississippi...
  Northwestern Jackson County in southern Mississippi...

* Until 1215 PM CDT

* At 1141 AM CDT, a confirmed tornado was located near Latimer, or 9
  miles north of St. Martin, moving northeast at 25 mph.

  HAZARD...Damaging tornado. 

  SOURCE...Emergency Management confirmed tornado. 

  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 Harrison and northwestern Jackson Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

&&

LAT...LON 3047 8878 3054 8897 3068 8892 3068 8889
      3074 8888 3073 8859
TIME...MOT...LOC 1641Z 204DEG 20KT 3057 8884 

TORNADO...OBSERVED
HAIL...<.75IN

$$

1 follow-up statement

290 
WWUS54 KLIX 301657
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1157 AM CDT THU MAR 30 2017

MSC047-301707-
/O.CAN.KLIX.TO.W.0049.000000T0000Z-170330T1715Z/
Harrison MS-
1157 AM CDT THU MAR 30 2017

...THE TORNADO WARNING FOR NORTHEASTERN HARRISON COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3047 8878 3051 8888 3070 8889 3074 8888
      3073 8859
TIME...MOT...LOC 1657Z 204DEG 20KT 3065 8880 

$$

MSC059-301715-
/O.CON.KLIX.TO.W.0049.000000T0000Z-170330T1715Z/
Jackson MS-
1157 AM CDT THU MAR 30 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT FOR
NORTHWESTERN JACKSON COUNTY...
    
At 1157 AM CDT, a confirmed tornado was located 10 miles northwest of
Vancleave, or 15 miles north of St. Martin, moving northeast at 25
mph.

HAZARD...Damaging tornado. 

SOURCE...Emergency management confirmed tornado. 

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...
Latimer and Vancleave. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

&&

LAT...LON 3047 8878 3051 8888 3070 8889 3074 8888
      3073 8859
TIME...MOT...LOC 1657Z 204DEG 20KT 3065 8880 

TORNADO...OBSERVED
HAIL...<.75IN

$$

MJH

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 10:19 PM CDT	Special Weather Statement	LIX	Wilkinson	41 min
Mar 29, 11:05 PM CDT	Areal Flood Advisory	LIX	Wilkinson	115 min
Mar 29, 11:14 PM CDT	Special Weather Statement	LIX	Wilkinson	31 min
Mar 29, 11:51 PM CDT	Special Weather Statement	LIX	Amite	39 min
Mar 30, 1:06 AM CDT	Areal Flood Advisory	LIX	Amite, Wilkinson	3 hr
Mar 30, 4:39 AM CDT	Special Weather Statement	LIX	Walthall	36 min
Mar 30, 5:30 AM CDT	Special Weather Statement	LIX	Pearl River	45 min
Mar 30, 9:56 AM CDT	Severe Thunderstorm Warning	LIX	Hancock	34 min
Mar 30, 10:13 AM CDT	Severe Thunderstorm Warning	LIX	Hancock	32 min
Mar 30, 10:32 AM CDT	Severe Thunderstorm Warning	LIX	Harrison	43 min
Mar 30, 10:46 AM CDT	Special Weather Statement	LIX	Harrison	29 min
Mar 30, 10:52 AM CDT	Severe Thunderstorm Warning	LIX	Harrison	12 min
Mar 30, 11:21 AM CDT	Special Weather Statement	LIX	Harrison	39 min
Mar 30, 11:55 AM CDT	Tornado Warning Tornado observed	LIX	Jackson	35 min
Mar 30, 12:26 PM CDT	Severe Thunderstorm Warning	LIX	Jackson	49 min

Nearby

Tornado Warnings in Mississippi, 2017 Every tornado warning in 2017 Tornadoes in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.