Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 98, NWS New Orleans, LA

June 28, 2017Hancock County, Harrison County, Mississippi

NWS New Orleans, LA issued this tornado warning at Jun 28, 2017, 11:23 AM CDT for Hancock County, Harrison County, Mississippi. It was in force for 22 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: Jun 28, 2017, 11:23 AM CDT (16:23 UTC)
Expired: Jun 28, 2017, 11:45 AM CDT
In force: 22 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

Counties Hancock County, MS, Harrison County, MS

What was reported inside it

Time	Report	Where	Remark
Jun 28, 11:24 AM CDT	TSTM WND DMG	3 Nw Waveland, MS	SMALL TREE DOWN ALONG HARBOR DRIVE...POSSIBLE TORNADO REPORTED EARLIER NEAR HWY 603. RELAYED VIA SOCIAL MEDIA.

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, 4.4 hours before the alert went out and 33 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: 1252 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 715 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

575 
WFUS54 KLIX 281623
TORLIX
MSC045-047-281645-
/O.NEW.KLIX.TO.W.0098.170628T1623Z-170628T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
1123 AM CDT WED JUN 28 2017

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Southwestern Harrison County in southern Mississippi...
  Southeastern Hancock County in southern Mississippi...

* Until 1145 AM CDT

* At 1122 AM CDT, a confirmed tornado was located over Shoreline
  Park, or near Waveland, moving northwest at 10 mph.

  HAZARD...Damaging tornado. 

  SOURCE...Public 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. 

* The tornado will be near...
  Diamondhead and Kiln around 1145 AM CDT. 

Weak tornado reported by multiple sources. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to 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 3029 8931 3026 8935 3023 8947 3042 8958
      3048 8927 3029 8927
TIME...MOT...LOC 1622Z 155DEG 9KT 3033 8940 

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

$$

CAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 11:37 AM CDT	Tornado Warning Tornado observed	LIX	Harrison	38 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.