1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS New Orleans, LA wrote its last area forecast discussion before the first event at Jun 21, 1:50 PM CST, 20 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 250 PM CDT MON JUN 21 2004 .SHORT TERM... BETTER THAN AVERAGE THUNDERSTORM DEVELOPMENT DUE TO BAROCLINIC ZONE PLACEMENT FROM PREVIOUS OUTFLOW PASSAGES DURING THE WEEKEND. THE OFFSHORE CONVECTION HAS BEEN MAINTAINED THROUGHOUT THE AFTERNOON AND THE CONVECTION OVER THE LAND HAS BEEN MORE ROBUST THAN JUST USUAL SEA BREEZE TYPE. VILS HAVE BEEN ABOVE WARNING CRITERIA ON SEVERAL OCCASIONS AND KMSY REPORTED A DOWNBURST? WIND GUST OF 56 KNOTS (64 MPH) EARLIER THIS AFTERNOON. DESPITE THE UNUSUALLY LARGER COVERAGE...BELIEVE MOST WILL DISSIPATE AT SUNSET. WILL MAINTAIN 20 PERCENT FOR THE EVENING HOURS. TOMORROW CAN LOOK SOMEWHAT SIMILAR AND WILL MAINTAIN 50 PERCENT AREAWIDE FOR TUESDAY. && .LONG TERM... TEMPERATURES SHOULD BE NEAR NORMAL WITH SOME TWEAKING DUE TO CLOUD COVERAGE FLUCTUATIONS FROM DAY TO DAY. AN APPROACHING FRONT SHOULD BECOME QUITE ACTIVE WITH THUNDERSTORMS LATE TUESDAY NIGHT INTO WEDNESDAY. WILL SHOW A 70 PERCENT POP FOR WEDNESDAY AND COOLER DAYTIME TEMPS CLOSER TO THE GFS GUIDANCE. HARD TO PRECLUDE PRECIPATION FROM ANY DAY IN THE PACKAGE...RANGING GENERALLY FROM 40 TO 70 PERCENT EACH DAY THROUGH NEXT MONDAY. && PRELIMINARY POINT NUMBERS... MCB 72 89 72 84 / 20 50 20 70 BTR 74 91 74 85 / 20 50 20 70 MSY 76 90 76 87 / 20 50 20 70 GPT 76 90 76 87 / 20 50 20 70 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. MS...NONE. LA AND MS COASTAL WATERS...NONE. && 24
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1100 AM CDT MON JUN 21 2004 LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-220000- AMITE-ASCENSION-ASSUMPTION-EAST BATON ROUGE-EAST FELICIANA-HANCOCK- HARRISON-IBERVILLE-JACKSON-LIVINGSTON-LOWER JEFFERSON- LOWER LAFOURCHE-LOWER PLAQUEMINES-LOWER ST. BERNARD-LOWER TERREBONNE- ORLEANS-PEARL RIVER-PIKE-POINTE COUPEE-ST. CHARLES-ST. HELENA- ST. JAMES-ST. JOHN THE BAPTIST-ST. TAMMANY-TANGIPAHOA- UPPER JEFFERSON-UPPER LAFOURCHE-UPPER PLAQUEMINES-UPPER ST. BERNARD- UPPER TERREBONNE-WALTHALL-WASHINGTON-WEST BATON ROUGE-WEST FELICIANA- WILKINSON- 1100 AM CDT MON JUN 21 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL AND SOUTHEAST LOUISIANA AND EXTREME SOUTHWEST...SOUTH CENTRAL AND COASTAL MISSISSIPPI. .DAY ONE...THIS AFTERNON AND TONIGHT SCATTERED TO OCCASIONALLY NUMEROUS STORMS WILL BE CAPABLE OF PRODUCING FREQUENT LIGHTNING...WIND GUSTS TO 40 MPH AND BRIEF HEAVY RAINFALL WITH RATES BETWEEN 1 AND 2 INCHES PER HOUR. GENERAL MOVEMENT OF THE STORMS WILL BE TO THE NORTHEAST AT 15 MPH. MOST ACTIVITY WILL BE DISSIPATING BY 9 PM. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THERE IS A CHANCE OF THUNDERSTORMS EACH DAY. WHILE ORGANIZED SEVERE WEATHER IS NOT EXPECTED...A STORM OR TWO MAY APPROACH SEVERE LEVELS EACH AFTERNOON. THERE IS A MORE LIKELY CHANCE OF THUNDERSTORMS 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. 24
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 1243 PM CDT MON JUN 21 2004 LAZ060-061-211815- ST CHARLES-UPPER JEFFERSON- 1243 PM CDT MON JUN 21 2004 ...STRONG THUNDERSTORM CONTINUES MOVING ACROSS EAST BANK JEFFERSON PARISH NEAR THE LAKESHORE... AT 1240 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER EAST BANK JEFFERSON PARISH...NEAR KENNER AND METAIRIE AT THE LAKEFRONT...MOVING NORTHEAST AT 15 MPH. THIS STORM PRODUCED A WIND GUST OF 64 MPH AT THE ARMSTRONG INTERNATIONAL AIRPORT AT 1220 PM. THE STORM HAS SINCE WEAKENED...BUT MAY STILL PRODUCE WIND GUSTS TO 40 MPH...ESPECIALLY OVER AND NEAR THE SHORELINE OF LAKE PONTCHARTRAIN. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER THREAT. & 22
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 102 PM CDT MON JUN 21 2004 LAZ057-058-211830- ST JAMES-ST JOHN THE BAPTIST- 102 PM CDT MON JUN 21 2004 ...STRONG THUNDERSTORM WILL MOVE ACROSS LAKE DES ALLEMANDS AREA THROUGH 130 PM... AT 100 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER EXTREME SOUTHEAST ST. JAMES PARISH... OVER LOWER VACHERIE...MOVING NORTHEAST AT 10 MPH. THIS STORM MAY PRODUCE WIND GUSTS OF 35 TO 45 MPH ALONG WITH SMALL HAIL THROUGH 130 PM AS IT MOVES ACROSS THE SWAMPS NORTH OF LAKE DES ALLEMANDS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER THREAT. & 22
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
224 PM CDT MON JUN 21 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0215 PM TSTM WND DMG KILN 30.42N 89.43W
06/21/2004 HANCOCK MS EMERGENCY MNGR
POWER POLLS BROKEN IN KILN-DE LISLE AREA ON HIGHWAY 603
0210 PM TSTM WND DMG KILN 30.42N 89.43W
06/21/2004 HANCOCK MS EMERGENCY MNGR
PEA-SIZED HAIL AND POWER LINE DOWN ON HIGHWAY 43 IN
KILN-DE LISLE AREA
0205 PM TSTM WND DMG KILN 30.42N 89.43W
06/21/2004 HANCOCK MS EMERGENCY MNGR
60 MPH WINDS...PEA-SIZED HAIL...AND POSSIBLE TORNADO
REPORTED BY DEPUTY SHERIFF THROUGH EMA IN THE KILN-DE
LISLE AREA ON HIGHWAY 603
&&
JVPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
256 PM CDT MON JUN 21 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0250 PM HAIL 3 N MCNEIL 30.71N 89.64W
06/21/2004 0.25 INCH PEARL RIVER MS EMERGENCY MNGR
PEA-SIZED HAIL AND FUNNEL CLOUD REPORTED NEAR EXIT 17
NORTH OF MCNEILL ON I-59
0250 PM HAIL KILN 30.42N 89.43W
06/21/2004 0.25 INCH HANCOCK MS EMERGENCY MNGR
PEA-SIZED HAIL REPORTED NEAR KILN
&&
JVThe national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
Numerous trees were blown down around the communities of New Roads, Ventress, Jarreau, and Oscar.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2004Every state in 2004This day in weather historyWarnings in Louisiana, June 2004
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5407373.