Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 93, NWS New Orleans, LA

June 21, 2017Hancock County, Mississippi

NWS New Orleans, LA issued this tornado warning at Jun 21, 2017, 2:35 PM CDT for Hancock County, Mississippi. It was in force for 14 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 21, 2017, 2:35 PM CDT (19:35 UTC)
Expired: Jun 21, 2017, 2:49 PM CDT
In force: 14 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Hancock County, MS

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 21, 10:01 AM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.6 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: 262 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 465 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 485 m²/s²
0-3 km storm-relative helicity: 506 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.3

Open this sounding in Storm Lab

The text

As transmitted.

517 
WFUS54 KLIX 211935
TORLIX
MSC045-212000-
/O.NEW.KLIX.TO.W.0093.170621T1935Z-170621T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
235 PM CDT WED JUN 21 2017

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Central Hancock County in southern Mississippi...

* Until 300 PM CDT
    
* At 235 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Kiln, or near Diamondhead, moving northwest at 35
  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 tornadic thunderstorm will remain over mainly rural areas of
  central Hancock County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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

&&

LAT...LON 3057 8944 3037 8936 3033 8940 3050 8963
      3050 8960 3052 8959 3052 8955 3054 8954
TIME...MOT...LOC 1935Z 140DEG 29KT 3038 8942 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

MJH

1 follow-up statement

634 
WWUS54 KLIX 211949
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
249 PM CDT WED JUN 21 2017

MSC045-211959-
/O.CAN.KLIX.TO.W.0093.000000T0000Z-170621T2000Z/
Hancock MS-
249 PM CDT WED JUN 21 2017

...THE TORNADO WARNING FOR CENTRAL HANCOCK COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 700 PM CDT for southern
Mississippi.

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

LAT...LON 3057 8944 3037 8936 3033 8940 3050 8963
      3050 8960 3052 8959 3052 8955 3054 8954
TIME...MOT...LOC 1947Z 140DEG 29KT 3047 8950 

$$

MJH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 9:21 PM CDT	River Flood Warning	LIX	Hancock	48 hr
Jun 20, 10:09 PM CDT	Flash Flood Warning	LIX	Hancock, Harrison	6 hr
Jun 21, 3:43 AM CDT	Flash Flood Warning	LIX	Harrison	3 hr
Jun 21, 4:59 AM CDT	Tornado Warning	LIX	Hancock, Harrison	31 min
Jun 21, 7:31 AM CDT	Tornado Warning	LIX	Hancock	29 min
Jun 21, 7:40 AM CDT	Tornado Warning	LIX	Hancock	35 min
Jun 21, 8:11 AM CDT	Tornado Warning	LIX	Harrison	34 min
Jun 21, 8:12 AM CDT	Tornado Warning	LIX	Hancock	18 min
Jun 21, 8:30 AM CDT	Tornado Warning	LIX	Hancock, Pearl River	34 min
Jun 21, 8:42 AM CDT	Tornado Warning Tornado observed	LIX	Harrison	33 min
Jun 21, 8:45 AM CDT	Tornado Warning	LIX	Hancock, Harrison	30 min
Jun 21, 9:11 AM CDT	Tornado Warning	LIX	Hancock, Harrison	19 min
Jun 21, 3:21 PM CDT	Severe Thunderstorm Warning	LIX	Hancock	54 min
Jun 21, 3:21 PM CDT	Tornado Warning	LIX	Harrison	24 min
Jun 21, 4:00 PM CDT	Coastal Flood Advisory	LIX		48 hr

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; the sounding from the Mesonet's radiosonde archive.