Alert archive / Mississippi / Tornado Warnings in 2016

Tornado Warning 79, NWS New Orleans, LA

May 20, 2016Harrison County, Mississippi

NWS New Orleans, LA issued this tornado warning at May 20, 2016, 12:14 AM CDT for Harrison County, Mississippi. It was in force for 16 min. 3 reports 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: May 20, 2016, 12:14 AM CDT (05:14 UTC)
Expired: May 20, 2016, 12:30 AM CDT
In force: 16 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Harrison County, MS

The radar

The Mobile radar (KMOB), 73 km from the middle of the area, began a volume at 05:16 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
May 20, 12:20 AM CDT	TSTM WND DMG	Biloxi, MS	TREES REPORTED BLOWN DOWN ON KEESLER CIRCLE AND AT BILOXI POLICE DEPARTMENT. EVENT TIME APPROXIMATED.
May 20, 12:23 AM CDT	TSTM WND DMG	3 N Biloxi, MS	40 FOOT TREE SNAPPED AND LEANED AGAINST ANOTHER TREE BEHIND HOUSE IN D IBERVILLE BEHIND CITY HALL. RELAYED VIA SOCIAL MEDIA.
May 20, 12:25 AM CDT	TSTM WND DMG	4 Ne Biloxi, MS	BOATS BLOWN OFF TRAILERS AT ACADEMY SPORTS ON LAMEY BRIDGE ROAD IN DIBERVILLE. TREES ALSO BLOWN DOWN ON BRANDON JAMES DRIVE. EVENT TIME APPROXIMATED.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
May 19, 10:52 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 5.2 hours before the alert went out and 75 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: 2145 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

724 
WFUS54 KLIX 200514
TORLIX
MSC047-200545-
/O.NEW.KLIX.TO.W.0079.160520T0514Z-160520T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1214 AM CDT FRI MAY 20 2016

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN HARRISON COUNTY IN SOUTHEASTERN MISSISSIPPI...

* UNTIL 1245 AM CDT
    
* AT 1214 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER GULFPORT...MOVING NORTHEAST AT 25 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...
  BILOXI AROUND 1230 AM CDT. 
  ST. MARTIN...D'IBERVILLE...LATIMER AND GULF HILLS AROUND 1245 AM 
  CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
GULFPORT AIRPORT.

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 3034 8901 3032 8912 3045 8922 3066 8895
      3057 8888 3043 8888 3042 8887 3043 8885
      3042 8884 3041 8884
TIME...MOT...LOC 0514Z 237DEG 20KT 3042 8910 

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

$$

11

1 follow-up statement

635 
WWUS54 KLIX 200530
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1230 AM CDT FRI MAY 20 2016

MSC047-200539-
/O.CAN.KLIX.TO.W.0079.000000T0000Z-160520T0545Z/
HARRISON MS-
1230 AM CDT FRI MAY 20 2016

...THE TORNADO WARNING FOR EASTERN HARRISON COUNTY IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAS EXITED THE WARNED AREA. THEREFORE THE WARNING HAS
BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT FOR
SOUTHEASTERN MISSISSIPPI.

LAT...LON 3034 8901 3032 8912 3045 8922 3066 8895
      3057 8888 3043 8888 3042 8887 3043 8885
      3042 8884 3041 8884
TIME...MOT...LOC 0527Z 237DEG 20KT 3046 8903 

$$

11

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 11:18 PM CDT	Severe Thunderstorm Warning	LIX	Hancock, Pearl River	42 min
May 19, 11:43 PM CDT	Severe Thunderstorm Warning	LIX	Harrison	47 min
May 19, 11:56 PM CDT	Severe Thunderstorm Warning	LIX	Hancock, Pearl River	19 min
May 20, 12:04 AM CDT	Special Weather Statement	LIX	Walthall	41 min
May 20, 12:18 AM CDT	Severe Thunderstorm Warning	LIX	Jackson	57 min

Nearby

Tornado Warnings in Mississippi, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.