Alert archive / Louisiana / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 109, NWS New Orleans, LA

November 1, 2018Assumption Parish, Lafourche Parish, Terrebonne Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Nov 1, 2018, 4:15 AM CDT for Assumption Parish, Lafourche Parish, Terrebonne Parish, Louisiana. It was in force for 30 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
Nov 1, 2018, 4:15 AM CDT (09:15 UTC)
Expired
Nov 1, 2018, 4:45 AM CDT
In force
30 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Assumption Parish, LA, Lafourche Parish, LA, Terrebonne Parish, LA

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 31, 11:07 PM CDTTornado WatchSPC9 hr

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.

NWS New Orleans, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 1, 12:33 AM CDT, 3 hours 42 minutes earlier.

Area forecast discussion, Nov 1, 12:33 AM CDT, 3 hours 42 minutes before
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Hazardous weather outlook, Oct 31, 9:42 PM CDT, 6 hours 33 minutes before
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In the hours before

Special weather statement, Nov 1, 2:56 AM CDT, 1 hour 19 minutes before
Special Weather Statement
National Weather Service New Orleans LA
256 AM CDT THU NOV 1 2018

LAZ057-058-060-072-010845-
St. Charles-Southern Tangipahoa-St. John The Baptist-St. James-
256 AM CDT THU NOV 1 2018

...A STRONG THUNDERSTORM WILL AFFECT ST. JOHN THE BAPTIST...EAST
CENTRAL ST. JAMES...NORTHWESTERN ST. CHARLES AND SOUTHEASTERN
TANGIPAHOA PARISHES...

At 254 AM CDT, a strong thunderstorm was located near Edgard and
Reserve, moving northeast at 40 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Reserve, Laplace, Gramercy, Lutcher, Killona, Wallace, Montz, Edgard,
Garyville, North Vacherie and Taft.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3042 9024 3036 9024 3026 9033 3022 9041
      3018 9043 3011 9043 3005 9038 2989 9058
      3002 9073 3018 9058 3017 9050 3020 9045
      3026 9043 3028 9040 3033 9044 3047 9030
TIME...MOT...LOC 0754Z 223DEG 33KT 3002 9060

TD
Special weather statement, Nov 1, 3:08 AM CDT, 1 hour 7 minutes before
Special Weather Statement
National Weather Service New Orleans LA
308 AM CDT THU NOV 1 2018

MSZ069-070-010845-
Pike-Amite-
308 AM CDT THU NOV 1 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WESTERN PIKE AND AMITE
COUNTIES...

At 308 AM CDT, radar indicated strong thunderstorms were located
along a line extending from near Mccall Creek to near Felps. Movement
was east at 40 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Mccomb, Liberty, Magnolia, Summit, Smithdale and Mccomb Airport.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in New Orleans.

LAT...LON 3135 9035 3104 9047 3103 9063 3101 9097
      3135 9082
TIME...MOT...LOC 0808Z 252DEG 34KT 3155 9069 3103 9088

32
Special weather statement, Nov 1, 3:31 AM CDT, 44 minutes before
Special Weather Statement
National Weather Service New Orleans LA
331 AM CDT THU NOV 1 2018

LAZ040-046-049-050-056>059-065-066-072-010900-
Lower Terrebonne-Livingston-Iberville-Ascension-Upper
Terrebonne-Southern Tangipahoa-Assumption-St. John The Baptist-Upper
Lafourche-St. Tammany-St. James-
331 AM CDT THU NOV 1 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN ST. JOHN THE
BAPTIST...ASCENSION...ST. JAMES...SOUTHWESTERN ST. TAMMANY...
NORTHWESTERN TERREBONNE...SOUTHERN LIVINGSTON...SOUTHEASTERN
IBERVILLE...SOUTHERN TANGIPAHOA...NORTHWESTERN LAFOURCHE AND
ASSUMPTION PARISHES...

At 331 AM CDT, radar indicated strong thunderstorms were located
along a line extending from near Livingston to 6 miles north of
Pierre Part to near Ellerslie. Movement was east at 55 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Thibodaux, Gonzales, Donaldsonville, Napoleonville, Reserve, Laplace,
St. Gabriel, Ponchatoula, Gramercy, Lutcher, White Castle, Sorrento,
French Settlement, Madisonville, Port Vincent, Springfield,
Schriever, Geismer, Garyville and Supreme.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in New Orleans.

A Tornado Watch remains in effect until 700 AM CDT for southeastern
Louisiana.

LAT...LON 3034 9093 3034 9090 3046 9079 3039 9010
      3037 9013 3038 9023 3017 9043 3005 9061
      2950 9087 2954 9125 2960 9119 2959 9116
      2963 9108 2965 9111 2981 9110 2986 9120
      2997 9126 3004 9122 3003 9124 3006 9128
TIME...MOT...LOC 0831Z 270DEG 48KT 3044 9077 3006 9123 2964 9142

32
Special weather statement, Nov 1, 3:34 AM CDT, 41 minutes before
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Special weather statement, Nov 1, 3:48 AM CDT, 27 minutes before
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Special weather statement, Nov 1, 4:05 AM CDT, 10 minutes before
Special Weather Statement
National Weather Service New Orleans LA
405 AM CDT THU NOV 1 2018

LAZ049-050-056>061-065-066-072-010930-
Lower Terrebonne-St. Charles-Livingston-Ascension-Upper
Terrebonne-Southern Tangipahoa-Assumption-St. John The Baptist-Upper
Lafourche-St. James-Upper Jefferson-
405 AM CDT THU NOV 1 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT ST. JOHN THE BAPTIST...
EAST CENTRAL ASCENSION...ST. JAMES...NORTHWESTERN ST. CHARLES...
NORTHWESTERN TERREBONNE...SOUTHEASTERN LIVINGSTON...SOUTHEASTERN
TANGIPAHOA...NORTHWESTERN LAFOURCHE...NORTHWESTERN JEFFERSON AND
SOUTHEASTERN ASSUMPTION PARISHES...

At 404 AM CDT, radar indicated strong thunderstorms were located
along a line extending from 6 miles east of Whitehall to 10 miles
south of Bayou Vista. Movement was east at 65 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Houma, Thibodaux, Reserve, Hahnville, Laplace, Gramercy, Lutcher,
Mathews, Schriever, Montz, Luling, Garyville, Boutte, Supreme,
Raceland, Chackbay, Destrehan, Bayou Cane, St. Rose and Killona.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in New Orleans.

A Tornado Watch remains in effect until 700 AM CDT for southeastern
Louisiana.

LAT...LON 2954 9127 2960 9119 2963 9108 2977 9110
      3031 9059 3033 9052 3030 9056 3019 9060
      3017 9057 3018 9047 3028 9040 3034 9047
      3039 9024 3029 9030 3019 9043 3012 9043
      3006 9038 3003 9022 2956 9066 2948 9128
TIME...MOT...LOC 0904Z 257DEG 58KT 3027 9059 2954 9127

32

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 1:25 AM CDTSpecial Marine WarningLIX20 min
Nov 1, 1:31 AM CDTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana59 min
Nov 1, 1:49 AM CDTSpecial Marine WarningLIX56 min
Nov 1, 1:53 AM CDTSpecial Weather StatementLIXEast Feliciana, Pointe Coupee, West Baton Rouge, West Feliciana52 min
Nov 1, 2:32 AM CDTSpecial Weather StatementLIXEast Baton Rouge, East Feliciana, Iberville, Saint Helena, West Baton Rouge28 min
Nov 1, 2:46 AM CDTSpecial Marine WarningLIX59 min
Nov 1, 2:56 AM CDTSpecial Weather StatementLIXSaint John the Baptist49 min
Nov 1, 2:56 AM CDTSevere Thunderstorm WarningLIXWashington34 min
Nov 1, 3:05 AM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana, Livingston, Saint Helena, Tangipahoa25 min
Nov 1, 3:14 AM CDTSpecial Marine WarningLIX46 min
Nov 1, 3:27 AM CDTSevere Thunderstorm WarningLIXLivingston, Saint Helena, Tangipahoa33 min
Nov 1, 3:31 AM CDTSpecial Weather StatementLIXAscension, Assumption, Livingston, Saint James, Saint John the Baptist29 min
Nov 1, 3:34 AM CDTSpecial Weather StatementLIXTangipahoa, Washington26 min
Nov 1, 3:38 AM CDTTornado WarningLIXWashington37 min
Nov 1, 3:48 AM CDTSpecial Marine WarningLIX57 min
Nov 1, 3:55 AM CDTSevere Thunderstorm WarningLIXLivingston, Saint John the Baptist, Saint Tammany, Tangipahoa35 min
Nov 1, 3:58 AM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa, Washington32 min
Nov 1, 4:03 AM CDTSpecial Marine WarningLIX27 min
Nov 1, 4:05 AM CDTSpecial Weather StatementLIXSaint Charles, Saint James, Saint John the Baptist25 min
Nov 1, 4:11 AM CDTSevere Thunderstorm WarningLIXLafourche34 min
Nov 1, 4:22 AM CDTSevere Thunderstorm WarningLIXSaint Tammany, Washington38 min
Nov 1, 4:24 AM CDTSpecial Marine WarningLIX66 min
Nov 1, 4:25 AM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa, Washington35 min
Nov 1, 4:27 AM CDTTornado WarningLIXSaint Tammany15 min
Nov 1, 4:39 AM CDTSpecial Weather StatementLIXOrleans, Saint Charles51 min
Nov 1, 4:43 AM CDTSpecial Marine WarningLIX32 min
Nov 1, 4:47 AM CDTSpecial Weather StatementLIXLafourche, Terrebonne28 min
Nov 1, 4:50 AM CDTSpecial Marine WarningLIX10 min
Nov 1, 4:54 AM CDTSevere Thunderstorm WarningLIXSaint Tammany36 min
Nov 1, 5:05 AM CDTAreal Flood AdvisoryLIXSaint Tammany3 hr
Nov 1, 5:10 AM CDTSpecial Marine WarningLIX65 min
Nov 1, 5:13 AM CDTSpecial Weather StatementLIXJefferson, Lafourche, Terrebonne62 min
Nov 1, 5:20 AM CDTSpecial Weather StatementLIXOrleans40 min
Nov 1, 5:25 AM CDTSpecial Marine WarningLIX50 min
Nov 1, 5:39 AM CDTAreal Flood AdvisoryLIXSaint Tammany3 hr
Nov 1, 5:43 AM CDTSpecial Marine WarningLIX32 min
Nov 1, 5:55 AM CDTSpecial Weather StatementLIXOrleans50 min
Nov 1, 6:00 AM CDTSevere Thunderstorm WarningLIXJefferson, Lafourche15 min
Nov 1, 6:06 AM CDTSpecial Marine WarningLIX54 min
Nov 1, 6:10 AM CDTSpecial Weather StatementLIXJefferson, Plaquemines50 min
Nov 1, 6:13 AM CDTSpecial Marine WarningLIX62 min
Nov 1, 6:26 AM CDTSpecial Marine WarningLIX49 min
Nov 1, 6:35 AM CDTSevere Thunderstorm WarningLIXPlaquemines55 min
Nov 1, 7:00 AM CDTSpecial Marine WarningLIX30 min
Nov 1, 7:12 AM CDTSpecial Marine WarningLIX48 min
Nov 1, 7:16 AM CDTSpecial Marine WarningLIX29 min
Nov 1, 7:31 AM CDTSpecial Marine WarningLIX29 min
Nov 1, 7:43 AM CDTSpecial Marine WarningLIX62 min
Nov 1, 7:59 AM CDTSpecial Marine WarningLIX91 min
Nov 1, 8:17 AM CDTSpecial Marine WarningLIX27 min
Nov 1, 8:43 AM CDTSpecial Marine WarningLIX92 min
Nov 1, 11:27 AM CDTRiver Flood WarningLIXSaint Tammany23 hr
Nov 1, 3:08 AM CDTSpecial Weather StatementLIXAmite37 min
Nov 1, 3:48 AM CDTSpecial Weather StatementLIXPike, Walthall27 min
Nov 1, 4:53 AM CDTSevere Thunderstorm WarningLIXPearl River37 min
Nov 1, 5:12 AM CDTTornado WarningLIXPearl River20 min
Nov 1, 5:28 AM CDTSevere Thunderstorm WarningLIXHancock, Harrison32 min
Nov 1, 5:42 AM CDTSpecial Weather StatementLIXHancock18 min
Nov 1, 5:45 AM CDTSevere Thunderstorm WarningLIXHancock, Harrison17 min
Nov 1, 5:57 AM CDTTornado WarningLIXHarrison, Jackson33 min
Nov 1, 6:00 AM CDTSevere Thunderstorm WarningLIXHarrison, Jackson30 min
Nov 1, 6:24 AM CDTSevere Thunderstorm WarningLIXJackson36 min
Nov 1, 6:25 AM CDTSevere Thunderstorm WarningLIXJackson35 min
Nov 1, 6:48 AM CDTTornado Warning Tornado observedLIXJackson27 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2018Every severe thunderstorm warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.