Alert archive / Mississippi / Tornado Warnings in 2017

Tornado Warning 99, NWS New Orleans, LA

June 28, 2017Harrison County, Mississippi

NWS New Orleans, LA issued this tornado warning at Jun 28, 2017, 11:37 AM CDT for Harrison County, Mississippi. It was in force for 38 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, 11:37 AM CDT (16:37 UTC)
Expired
Jun 28, 2017, 12:15 PM CDT
In force
38 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

County Harrison County, MS

The radar

The Mobile radar (KMOB), 91 km from the middle of the area, began a volume at 16:36 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

TimeReportWhereRemark
Jun 28, 12:13 PM CDTTSTM WND DMG1 Ese Biloxi, MSTRAFFIC SIGNAL KNOCKED DOWN ALONG WETERANS AVE...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, 4.6 hours before the alert went out and 57 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-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 2017-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1252 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2017-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

462 
WFUS54 KLIX 281637
TORLIX
MSC047-281715-
/O.NEW.KLIX.TO.W.0099.170628T1637Z-170628T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
1137 AM CDT WED JUN 28 2017

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Southern Harrison County in southern Mississippi...

* Until 1215 PM CDT

* At 1135 AM CDT, a confirmed tornado was located near Long Beach,
  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. 

* This tornadic thunderstorm will remain over mainly rural areas of
  southern Harrison County, including the following locations:
  Gulfport Airport.

Tornado was reported by Harrison EOC near Espy Ave. 

Additional storms are moving north from the Gulf and a few more 
waterspouts will likely develop and move inland for a very short 
duration

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 3036 8900 3034 8907 3034 8909 3028 8931
      3034 8932 3035 8934 3047 8934 3052 8889
      3036 8888
TIME...MOT...LOC 1635Z 155DEG 8KT 3036 8926 

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

$$

CAB
2 follow-up statements
992 
WWUS54 KLIX 281651
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1151 AM CDT WED JUN 28 2017

MSC047-281715-
/O.CON.KLIX.TO.W.0099.000000T0000Z-170628T1715Z/
Harrison MS-
1151 AM CDT WED JUN 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT FOR SOUTHERN
HARRISON COUNTY...
    
At 1150 AM CDT, a confirmed waterspout was located just offshore over
Gulfport, moving north at 10 mph.

HAZARD...Tornado. 

SOURCE...Possible waterspout moving onshore. 

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...
Gulfport, Biloxi, Long Beach, D'iberville, Lyman and Gulfport
Airport.

Tornado was observed earlier but is no longer being reported. 

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.

&&

LAT...LON 3036 8900 3034 8907 3034 8909 3028 8931
      3034 8932 3035 8934 3047 8934 3052 8889
      3036 8888
TIME...MOT...LOC 1650Z 164DEG 10KT 3035 8906 

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

$$

CAB
365 
WWUS54 KLIX 281716
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1216 PM CDT WED JUN 28 2017

MSC047-281726-
/O.EXP.KLIX.TO.W.0099.000000T0000Z-170628T1715Z/
Harrison MS-
1216 PM CDT WED JUN 28 2017

...THE TORNADO WARNING FOR SOUTHERN HARRISON COUNTY HAS EXPIRED...
                
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 allowed to expire.

LAT...LON 3036 8900 3034 8907 3034 8909 3028 8931
      3034 8932 3035 8934 3047 8934 3052 8889
      3036 8888
TIME...MOT...LOC 1716Z 155DEG 8KT 3039 8908 

$$

CAB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 11:23 AM CDTTornado Warning Tornado observedLIXHancock, Harrison22 min

Nearby

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