Alert archive / Mississippi / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 132, NWS New Orleans, LA

June 25, 2004Hancock County, Harrison County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Jun 25, 2004, 3:40 PM CDT for Hancock County, Harrison County, Mississippi. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 25, 2004, 3:40 PM CDT (20:40 UTC)
Expired
Jun 25, 2004, 4:45 PM CDT
In force
65 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 20:42 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 nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.7 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-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 2004-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 149 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2004-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
149 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
908 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

Hazardous weather outlook, Jun 24, 8:33 PM CDT, 19 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
833 PM CDT THU JUN 24 2004

LAZ034>038-046>050-056-MSZ068>070-251100-
AMITE-ASCENSION-ASSUMPTION-EAST BATON ROUGE-EAST FELICIANA-IBERVILLE-
LIVINGSTON-PIKE-POINTE COUPEE-ST HELENA-TANGIPAHOA-WEST BATON ROUGE-
WEST FELICIANA-WILKINSON-
833 PM CDT THU JUN 24 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL LOUISIANA AND
EXTREME SOUTHWEST MISSISSIPPI.

.DAY ONE...TONIGHT...

.FLOODING...
A FLOOD WATCH REMAINS IN EFFECT. LOCALLY HEAVY RAINFALL WILL BE
POSSIBLE OVERNIGHT WITH THE POTENTIAL FOR AN ADDITIONAL ONE TO THREE
INCHES OF RAIN BY FRIDAY MORNING. SINCE THE GROUND IS NEARLY
SATURATED IN MANY AREAS...ADDITIONAL RAINFALL MAY LEAD TO FLOODING.

.THUNDERSTORMS...
SCATTERED THUNDERSTORMS CAN BE EXPECTED OVERNIGHT...HOWEVER SEVERE
THUNDERSTORMS ARE NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
THE THREAT FOR HEAVY RAINS WILL PERSIST THROUGH FRIDAY. SINCE
THE WEATHER PATTERN WILL BE SLOW TO CHANGE...THERE IS A CHANCE FOR
THUNDERSTORMS EACH DAY THROUGH WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS...IS
NOT REQUESTED AT THIS TIME.

LAZ039-040-057>070-MSZ071-077-080>082-251100-
HANCOCK-HARRISON-JACKSON-LOWER JEFFERSON-LOWER LAFOURCHE-
LOWER PLAQUEMINES-LOWER ST BERNARD-LOWER TERREBONNE-ORLEANS-
PEARL RIVER-ST CHARLES-ST JAMES-ST JOHN THE BAPTIST-ST TAMMANY-
UPPER JEFFERSON-UPPER LAFOURCHE-UPPER PLAQUEMINES-UPPER ST BERNARD-
UPPER TERREBONNE-WALTHALL-WASHINGTON-
833 PM CDT THU JUN 24 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST LOUISIANA AND
SOUTH MISSISSIPPI.

.DAY ONE...TONIGHT...

.THUNDERSTORMS...
SCATTERED THUNDERSTORMS CAN BE EXPECTED OVERNIGHT...HOWEVER SEVERE
THUNDERSTORMS ARE NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
THE THREAT FOR HEAVY RAIN WILL EXIST ON FRIDAY. SINCE THE WEATHER
PATTERN WILL BE SLOW TO CHANGE...THERE IS A CHANCE FOR THUNDERSTORMS
EACH DAY THROUGH WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS...IS
NOT REQUESTED AT THIS TIME.

In the hours before

Local storm report, Jun 25, 2:24 PM CDT, 1 hour 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
224 PM CDT FRI JUN 25 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0200 PM     TORNADO          5 NW RACELAND           29.77N 90.66W
06/25/2004                   LAFOURCHE          LA   LAW ENFORCEMENT

            SHERRIFS OFFICE REPORTED TORNADO TOUCHDOWN ON FALGOUT
            CANAL ROAD IN THERIOT CAUSING DAMAGE TO ROOFS.

&&

JV

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 8:07 PM CDTSpecial Marine WarningLIX53 min
Jun 25, 12:37 PM CDTSevere Thunderstorm WarningLIXAscension, Saint James38 min
Jun 25, 1:58 PM CDTSevere Thunderstorm WarningLIXLafourche, Saint Charles47 min
Jun 25, 2:04 PM CDTSpecial Marine WarningLIX41 min
Jun 25, 2:46 PM CDTSevere Thunderstorm WarningLIXJefferson, Orleans44 min
Jun 25, 3:25 PM CDTSpecial Marine WarningLIX2 hr
Jun 25, 3:25 PM CDTSpecial Marine WarningLIX2 hr
Jun 25, 3:43 PM CDTSevere Thunderstorm WarningLIXHancock, Harrison62 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2004Every severe thunderstorm warning in 2004

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.