Alert archive / Mississippi / Tornado Warnings in 2003

Tornado Warning 49, NWS New Orleans, LA

November 18, 2003Hancock County, Harrison County, Mississippi

NWS New Orleans, LA issued this tornado warning at Nov 18, 2003, 10:52 AM CST for Hancock County, Harrison County, Mississippi. It was in force for 23 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: Nov 18, 2003, 10:52 AM CST (16:52 UTC)
Expired: Nov 18, 2003, 11:15 AM CST
In force: 23 min
Issued by: NWS New Orleans, LA
Area: Counties, with a storm outline in the text

Counties Hancock County, MS, Harrison County, MS

The radar

The Mobile radar (KMOB), 104 km from the middle of the area, began a volume at 16:54 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Nov 18, 6:55 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.9 hours before the alert went out and 44 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: 309 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 620 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 273 m²/s²
0-3 km storm-relative helicity: 352 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLIX 181652
TORNEW
MSC045-047-181715-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1052 AM CST TUE NOV 18 2003

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  HANCOCK COUNTY IN SOUTHERN MISSISSIPPI
  THIS INCLUDES THE CITIES OF...WAVELAND...DIAMONDHEAD...BAY ST.
  LOUIS
  HARRISON COUNTY IN SOUTHERN MISSISSIPPI
  THIS INCLUDES THE CITIES OF...LONG BEACH...GULFPORT...BILOXI

* UNTIL 1115 AM CST

* AT 1046 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR WAVELAND
  MOVING EAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   PASS CHRISTIAN AT 1105 AM CST
   LONG BEACH...GULFPORT AT 1115 AM CST

SEEK SHELTER ON THE LOWEST FLOOR OF A BUILDING IN AN INTERIOR HALLWAY
OR ROOM SUCH AS A CLOSET OR BATHROOM.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.

LAT...LON 3034 8951 3017 8944 3034 8890 3060 8891

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 18, 5:16 AM CST	Severe Thunderstorm Warning	LIX	Wilkinson	44 min
Nov 18, 6:03 AM CST	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	42 min
Nov 18, 7:05 AM CST	Severe Thunderstorm Warning	LIX	Amite, Pike	40 min
Nov 18, 7:45 AM CST	Severe Thunderstorm Warning	LIX	Pike, Walthall	45 min
Nov 18, 8:29 AM CST	Severe Thunderstorm Warning	LIX	Walthall	46 min
Nov 18, 9:10 AM CST	Severe Thunderstorm Warning	LIX	Pearl River, Walthall	65 min
Nov 18, 9:29 AM CST	Tornado Warning	LIX	Pearl River	46 min
Nov 18, 9:32 AM CST	Tornado Warning	LIX	Hancock, Pearl River	43 min
Nov 18, 10:11 AM CST	Severe Thunderstorm Warning	LIX	Hancock, Harrison, Pearl River	49 min
Nov 18, 11:14 AM CST	Severe Thunderstorm Warning	LIX	Harrison, Jackson	61 min
Nov 18, 12:13 PM CST	Severe Thunderstorm Warning	LIX	Jackson	47 min

Nearby

Tornado Warnings in Mississippi, 2003 Every tornado warning in 2003 Tornadoes in 2003

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; radar from the NEXRAD Level II archive.