Alert archive / Louisiana / Tornado Warnings in 2017
Tornado Warning 103, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Aug 29, 2017, 5:28 AM CDT for Lafourche Parish, Louisiana. It was in force for 32 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
- Aug 29, 2017, 5:28 AM CDT (10:28 UTC)
- Expired
- Aug 29, 2017, 6:00 AM CDT
- In force
- 32 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Lafourche Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 10.5 hours before the alert went out and 127 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.
- Mixed-layer CAPE
- 10 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted.
485
WFUS54 KLIX 291028
TORLIX
LAC057-291100-
/O.NEW.KLIX.TO.W.0103.170829T1028Z-170829T1100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
528 AM CDT TUE AUG 29 2017
The National Weather Service in New Orleans has issued a
* Tornado Warning for...
Southeastern Lafourche Parish in southeastern Louisiana...
* Until 600 AM CDT
* At 527 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Leeville, or 20 miles south of Galliano, moving
north at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Leeville around 540 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 2909 9021 2935 9029 2937 9015 2911 9012
2910 9013
TIME...MOT...LOC 1027Z 170DEG 25KT 2916 9018
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$1 follow-up statement
019
WWUS54 KLIX 291053
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
553 AM CDT TUE AUG 29 2017
LAC057-291100-
/O.CON.KLIX.TO.W.0103.000000T0000Z-170829T1100Z/
Lafourche LA-
553 AM CDT TUE AUG 29 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 AM CDT FOR
SOUTHEASTERN LAFOURCHE PARISH...
At 552 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Leeville, or 12 miles southeast of Galliano, moving
north at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
southeastern Lafourche Parish.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 2909 9021 2935 9029 2937 9015 2911 9012
2910 9013
TIME...MOT...LOC 1052Z 165DEG 25KT 2927 9020
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 7:18 PM CDT | Special Marine Warning | LIX | 57 min | |
| Aug 28, 8:16 PM CDT | Special Marine Warning | LIX | 59 min | |
| Aug 28, 9:14 PM CDT | Special Marine Warning | LIX | 61 min | |
| Aug 28, 10:31 PM CDT | Special Marine Warning | LIX | 59 min | |
| Aug 28, 10:54 PM CDT | Special Marine Warning | LIX | 66 min | |
| Aug 29, 12:40 AM CDT | Special Marine Warning | LIX | 50 min | |
| Aug 29, 1:30 AM CDT | Special Marine Warning | LIX | 45 min | |
| Aug 29, 2:16 AM CDT | Special Marine Warning | LIX | 44 min | |
| Aug 29, 2:20 AM CDT | Special Marine Warning | LIX | 40 min | |
| Aug 29, 3:08 AM CDT | Special Marine Warning | LIX | 52 min | |
| Aug 29, 3:39 AM CDT | Coastal Flood Advisory | LIX | Saint Bernard, Saint John the Baptist | 59 hr |
| Aug 29, 3:45 AM CDT | Special Marine Warning | LIX | 2 hr | |
| Aug 29, 4:04 AM CDT | Special Marine Warning | LIX | 56 min | |
| Aug 29, 4:36 AM CDT | Special Weather Statement | LIX | Lafourche | 24 min |
| Aug 29, 4:59 AM CDT | Special Marine Warning | LIX | 46 min | |
| Aug 29, 5:24 AM CDT | Special Weather Statement | LIX | Jefferson | 36 min |
| Aug 29, 6:00 AM CDT | Tornado Warning | LIX | Lafourche | 30 min |
| Aug 29, 6:08 AM CDT | Special Marine Warning | LIX | 2 hr | |
| Aug 29, 7:03 AM CDT | Special Weather Statement | LIX | Lafourche, Saint Charles | 42 min |
| Aug 29, 8:00 AM CDT | Areal Flood Advisory | LIX | Assumption, Lafourche, Saint James, Saint John the Baptist | 4 hr |
| Aug 29, 8:08 AM CDT | Areal Flood Advisory | LIX | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more | 5 hr |
| Aug 29, 8:13 AM CDT | Areal Flood Advisory | LIX | Terrebonne | 62 min |
| Aug 29, 8:27 AM CDT | Flash Flood Warning | LIX | Jefferson, Lafourche, Saint Charles, Saint John the Baptist | 2 hr |
| Aug 29, 8:32 AM CDT | Flash Flood Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard | 118 min |
| Aug 29, 8:54 AM CDT | Special Marine Warning | LIX | 2 hr | |
| Aug 29, 9:14 AM CDT | Areal Flood Advisory | LIX | Ascension, Livingston | 5 hr |
| Aug 29, 9:50 AM CDT | Special Marine Warning | LIX | 85 min | |
| Aug 29, 9:52 AM CDT | Special Marine Warning | LIX | 113 min | |
| Aug 29, 10:27 AM CDT | Tropical Storm Watch | LIX | Assumption | 12 hr |
| Aug 29, 10:30 AM CDT | River Flood Warning | LIX | Tangipahoa | 4 days |
| Aug 29, 11:22 AM CDT | Special Weather Statement | LIX | Assumption, Saint James | 53 min |
| Aug 29, 11:30 AM CDT | Flash Flood Warning | LIX | Assumption, Lafourche, Saint Charles, Saint James, Saint John the Baptist, Terrebonne | 2 hr |
| Aug 29, 11:47 AM CDT | Areal Flood Advisory | LIX | Assumption, Lafourche, Saint James, Saint John the Baptist, Terrebonne | 3 hr |
| Aug 29, 12:00 PM CDT | Special Weather Statement | LIX | Lafourche | 45 min |
| Aug 29, 12:47 PM CDT | Areal Flood Advisory | LIX | Lafourche, Saint Charles, Saint John the Baptist | 118 min |
| Aug 29, 1:53 PM CDT | Special Marine Warning | LIX | 67 min | |
| Aug 29, 2:00 PM CDT | Tornado Warning | LIX | Ascension, Assumption, Saint James | 45 min |
| Aug 29, 2:10 PM CDT | Special Weather Statement | LIX | Saint Charles | 65 min |
| Aug 29, 2:43 PM CDT | Areal Flood Advisory | LIX | Ascension, Livingston, Saint James, Saint John the Baptist | 62 min |
| Aug 29, 2:53 PM CDT | Flash Flood Warning | LIX | Ascension, Saint James | 97 min |
| Aug 29, 3:24 PM CDT | Special Marine Warning | LIX | 96 min | |
| Aug 29, 3:29 PM CDT | Special Marine Warning | LIX | 61 min | |
| Aug 29, 4:31 PM CDT | Wind Advisory | LIX | Assumption, East Baton Rouge, Iberville, Pointe Coupee, Saint Bernard, Saint James and 3 more | 31 hr |
| Aug 29, 5:02 PM CDT | Special Marine Warning | LIX | 58 min | |
| Aug 29, 5:06 PM CDT | Special Marine Warning | LIX | 54 min | |
| Aug 29, 5:22 PM CDT | Tornado Warning | LIX | Jefferson, Plaquemines | 22 min |
| Aug 29, 5:31 PM CDT | Areal Flood Advisory | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles | 3 hr |
| Aug 29, 5:45 PM CDT | Special Marine Warning | LIX | 60 min | |
| Aug 29, 5:48 PM CDT | Special Weather Statement | LIX | Orleans | 42 min |
| Aug 29, 6:27 PM CDT | Special Weather Statement | LIX | Orleans | 48 min |
| Aug 29, 6:38 PM CDT | Special Marine Warning | LIX | 97 min | |
| Aug 29, 6:45 PM CDT | Special Marine Warning | LIX | 90 min |
Nearby
Tornado Warnings in Louisiana, 2017Every tornado warning in 2017Tornadoes in 2017
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.