Alert archive / Louisiana / Tornado Warnings in 2017
Tornado Warning 76, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at May 30, 2017, 3:26 PM CDT for Jefferson Parish, Lafourche Parish, Louisiana. It was in force for 34 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 30, 2017, 3:26 PM CDT (20:26 UTC)
- Expired
- May 30, 2017, 4:00 PM CDT
- In force
- 34 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Jefferson Parish, LA, Lafourche Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 30, 3:42 PM CDT | TORNADO | 6 Ene Cut Off, LA | PICTURE SHARED VIA SOCIAL MEDIA OF TORNADO OVER THE MARSH EAST OF CUT OFF. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.4 hours before the alert went out and 88 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
- 296 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 630 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 184 m²/s²
- 0-3 km storm-relative helicity
- 334 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
567
WFUS54 KLIX 302026
TORLIX
LAC051-057-302100-
/O.NEW.KLIX.TO.W.0076.170530T2026Z-170530T2100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
326 PM CDT TUE MAY 30 2017
The National Weather Service in New Orleans has issued a
* Tornado Warning for...
East central Lafourche Parish in southeastern Louisiana...
Central Jefferson Parish in southeastern Louisiana...
* Until 400 PM CDT
* At 326 PM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles east of Cut Off, moving north at 5 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
east central Lafourche and central Jefferson Parishes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 2952 9032 2969 9026 2969 9023 2970 9022
2958 8998 2943 9014
TIME...MOT...LOC 2026Z 177DEG 5KT 2955 9019
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$2 follow-up statements
348
WWUS54 KLIX 302038
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
338 PM CDT TUE MAY 30 2017
LAC051-057-302100-
/O.CON.KLIX.TO.W.0076.000000T0000Z-170530T2100Z/
Lafourche LA-Jefferson LA-
338 PM CDT TUE MAY 30 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR EAST
CENTRAL LAFOURCHE AND CENTRAL JEFFERSON PARISHES...
At 337 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles east of Cut Off, and is nearly stationary.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Cut Off and Lafitte.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Avoid windows. If you are outdoors or in a vehicle,
move to the closest substantial shelter and protect yourself from
flying debris.
&&
LAT...LON 2952 9032 2969 9026 2969 9023 2970 9022
2958 8998 2943 9014
TIME...MOT...LOC 2037Z 167DEG 3KT 2955 9020
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$500
WWUS54 KLIX 302054
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
354 PM CDT TUE MAY 30 2017
LAC051-057-302104-
/O.EXP.KLIX.TO.W.0076.000000T0000Z-170530T2100Z/
Lafourche LA-Jefferson LA-
354 PM CDT TUE MAY 30 2017
...THE TORNADO WARNING FOR EAST CENTRAL LAFOURCHE AND CENTRAL
JEFFERSON PARISHES WILL EXPIRE AT 400 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
LAT...LON 2952 9032 2969 9026 2969 9023 2970 9022
2958 8998 2943 9014
TIME...MOT...LOC 2054Z 177DEG 5KT 2957 9020
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 7:38 PM CDT | Special Weather Statement | LIX | Jefferson | 67 min |
| May 30, 3:04 AM CDT | Special Weather Statement | LIX | Jefferson | 41 min |
| May 30, 3:39 AM CDT | Special Marine Warning | LIX | 51 min | |
| May 30, 4:55 AM CDT | Special Weather Statement | LIX | Plaquemines | 35 min |
| May 30, 8:12 AM CDT | Special Weather Statement | LIX | Ascension, Livingston | 33 min |
| May 30, 8:39 AM CDT | Special Marine Warning | LIX | 66 min | |
| May 30, 9:28 AM CDT | Special Weather Statement | LIX | Saint John the Baptist | 62 min |
| May 30, 9:33 AM CDT | Special Marine Warning | LIX | 57 min | |
| May 30, 10:20 AM CDT | Special Weather Statement | LIX | Terrebonne | 25 min |
| May 30, 11:52 AM CDT | Special Weather Statement | LIX | Terrebonne | 53 min |
| May 30, 12:51 PM CDT | Special Weather Statement | LIX | Lafourche | 54 min |
| May 30, 12:53 PM CDT | Tornado Warning | LIX | Lafourche, Terrebonne | 24 min |
| May 30, 1:02 PM CDT | Areal Flood Advisory | LIX | Assumption, Lafourche, Saint Charles, Terrebonne | 3 hr |
| May 30, 1:28 PM CDT | Special Weather Statement | LIX | Lafourche | 32 min |
| May 30, 1:36 PM CDT | Severe Thunderstorm Warning | LIX | Jefferson, Lafourche | 24 min |
| May 30, 2:16 PM CDT | Special Weather Statement | LIX | Jefferson | 29 min |
| May 30, 2:18 PM CDT | Special Marine Warning | LIX | 27 min | |
| May 30, 2:23 PM CDT | Tornado Warning | LIX | Jefferson, Lafourche | 17 min |
| May 30, 3:05 PM CDT | Special Marine Warning | LIX | 85 min | |
| May 30, 3:15 PM CDT | Severe Thunderstorm Warning | LIX | Jefferson, Lafourche | 30 min |
| May 30, 3:19 PM CDT | Special Marine Warning | LIX | 26 min | |
| May 30, 4:01 PM CDT | Tornado Warning | LIX | Plaquemines | 44 min |
| May 30, 4:03 PM CDT | Tornado Warning | LIX | Lafourche | 27 min |
| May 30, 4:09 PM CDT | Special Marine Warning | LIX | 51 min | |
| May 30, 4:27 PM CDT | Tornado Warning | LIX | Lafourche | 48 min |
| May 30, 4:42 PM CDT | Severe Thunderstorm Warning | LIX | Plaquemines | 63 min |
| May 30, 4:50 PM CDT | Special Marine Warning | LIX | 85 min | |
| May 30, 5:26 PM CDT | Special Marine Warning | LIX | 94 min | |
| May 30, 5:39 PM CDT | Special Marine Warning | LIX | 36 min | |
| May 30, 5:40 PM CDT | Tornado Warning | LIX | Jefferson | 23 min |
| May 30, 6:01 PM CDT | Special Weather Statement | LIX | Plaquemines | 59 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.