Alert archive / Mississippi / Tornado Warnings in 2010

Tornado Warning 13, NWS New Orleans, LA

May 15, 2010Harrison County, Mississippi

NWS New Orleans, LA issued this tornado warning at May 15, 2010, 7:31 PM CDT for Harrison County, Mississippi. It was in force for 29 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
May 15, 2010, 7:31 PM CDT (00:31 UTC)
Expired
May 15, 2010, 8:00 PM CDT
In force
29 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon

County Harrison County, MS

The radar

The Mobile radar (KMOB), 94 km from the middle of the area, began a volume at 00:31 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
May 15, 7:52 PM CDTTORNADO4 Nw Gulfport Airport, MSOBSERVER AT KGPT REPORTING FUNNEL CLOUD TO THE NW OF THE AIRPORT MOVING NW 8 MPH. MODERATE ROTATION NOTED ON KLIX WSR-88D SRM. PUBLIC REPORTS OF WATERSPOUT MOVING ONSHORE WITH THIS STORM NEAR PASS CHRISTIAN WAL-MART AT 719 PM...RELAYED BY WLOX-TV 13 MET.

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 00:00Z, 0.5 hours before the alert went out and 54 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 00:00Z on 2010-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1373 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 00:00Z on 2010-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.1939Sfc1 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
1373 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

447 
WFUS54 KLIX 160031
TORLIX
MSC047-160100-
/O.NEW.KLIX.TO.W.0013.100516T0031Z-100516T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
731 PM CDT SAT MAY 15 2010

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  HARRISON COUNTY IN SOUTHERN MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...LONG BEACH...NORTH OF GULFPORT...

* UNTIL 800 PM CDT

* AT 725 PM CDT...THE PUBLIC REPORTED A WATERSPOUT MOVING ON SHORE 
  NEAR THE WALMART IN LONG BEACH...MOVING NORTH AT 10 MPH. NWS RADAR
  DETECTED SOME ROTATION WITH THIS STORM.

* THE TORNADO WILL BE NEAR...
  LYMAN BY 800 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3036 8907 3035 8908 3036 8910 3033 8915
      3032 8922 3034 8928 3036 8928 3037 8930
      3061 8923 3054 8899
TIME...MOT...LOC 0030Z 197DEG 9KT 3040 8917

$$


24/RR
1 follow-up statement
402 
WWUS54 KLIX 160058
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
758 PM CDT SAT MAY 15 2010

MSC047-160106-
/O.EXP.KLIX.TO.W.0013.000000T0000Z-100516T0100Z/
HARRISON MS-
758 PM CDT SAT MAY 15 2010

...THE TORNADO WARNING FOR WESTERN HARRISON COUNTY WILL EXPIRE AT 800
PM CDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE ROTATION WITH 
THIS TORNADO HAS WEAKENED AS IT MOVED FARTHER INLAND. THE TORNADO 
WARNING WILL BE ALLOWED TO EXPIRE AT 8 PM FOR THIS NORTHERN HARRISON 
COUNTY STORM.

ANOTHER TORNADO WARNING REMAINS IN EFFECT FOR WESTERN HARRISON 
COUNTY FOR A STORM WITH A TORNADO MOVING ASHORE NEAR PASS CHRISTIAN. 
THIS STORM CONTINUES TO MOVE NORTH 15 MPH. 

LAT...LON 3036 8907 3035 8908 3036 8910 3033 8915
      3032 8922 3034 8928 3036 8928 3037 8930
      3061 8923 3054 8899
TIME...MOT...LOC 0056Z 199DEG 13KT 3050 8913

$$


24/RR

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 7:49 PM CDTTornado WarningLIXHarrison26 min
May 15, 8:07 PM CDTTornado WarningLIXHancock, Harrison23 min
May 16, 1:35 AM CDTAreal Flood AdvisoryLIXHarrison, Jackson115 min
May 16, 8:53 AM CDTFlash Flood WarningLIXHarrison, Jackson3 hr
May 16, 9:46 AM CDTRiver Flood WarningLIXHarrison24 hr
May 16, 9:47 AM CDTTornado WarningLIXJackson28 min

Nearby

Tornado Warnings in Mississippi, 2010Every tornado warning in 2010Tornadoes in 2010

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.