An isolated thunderstorm developed a waterspout near Bayou Bienvenue that briefly reached land before dissipating.
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The episode as NWS LIX wrote it up.
An isolated thunderstorm developed a waterspout near Bayou Bienvenue that briefly reached land before dissipating.
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 Jul 18, 11:08 AM CST, 1 hour 47 minutes earlier.
Area Forecast Discussion National Weather Service New Orleans LA 1208 PM CDT Thu Jul 18 2019 .AVIATION... VFR conditions prevail at all area airports and are expected to persist through the evening into the overnight hours. MSW && .PRELIMINARY POINT TEMPS/POPS... MCB 92 73 92 73 / 10 0 20 0 BTR 91 74 91 74 / 20 0 30 0 ASD 92 74 92 75 / 20 0 30 10 MSY 92 77 91 77 / 20 0 30 10 GPT 90 76 90 76 / 20 0 30 10 PQL 94 75 93 75 / 20 0 30 10 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...None. GM...None. MS...None. GM...None. &&
Hazardous Weather Outlook National Weather Service New Orleans LA 1110 AM CDT Thu Jul 18 2019 GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-LAZ034>037- 039-040-046>050-056>072-MSZ068>071-077-080>082-190415- Lake Pontchartrain and Lake Maurepas-Mississippi Sound- Lake Borgne-Chandeleur Sound-Breton Sound- Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm- Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM- Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm- Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM- Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM- Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM- Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm- Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM-Pointe Coupee-West Feliciana- East Feliciana-St. Helena-Washington-St. Tammany-Iberville- West Baton Rouge-East Baton Rouge-Ascension-Livingston-Assumption- St. James-St. John The Baptist-Upper Lafourche-St. Charles- Upper Jefferson-Orleans-Upper Plaquemines-Upper St. Bernard- Upper Terrebonne-Lower Terrebonne-Lower Lafourche-Lower Jefferson- Lower Plaquemines-Lower St. Bernard-Northern Tangipahoa- Southern Tangipahoa-Wilkinson-Amite-Pike-Walthall-Pearl River- Hancock-Harrison-Jackson- 1110 AM CDT Thu Jul 18 2019 This Hazardous Weather Outlook is for portions of Southeast Louisiana...South Mississippi and the adjacent coastal waters. .DAY ONE...This Afternoon and Tonight No hazardous weather is anticipated at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday No hazardous weather is expected through Monday. Some strong to severe storms are possible Tuesday into Wednesday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated.
The national radar mosaic for the moment the first event began.
1 tornado. Local standard time, as filed.
The Michoud Facility Emergency Manager reported a large waterspout near the Bayou Bienvenue Lock south of the the Great Flood Barrier. Photo was taken from the Lockheed Martin Facility.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2019Every state in 2019This day in weather historyThe tornado archive for Louisiana, 2019Warnings in Louisiana, July 2019
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 2026-09-30. Each event’s entry at NCEI: 835393.