Alert archive / Louisiana / Tornado Warnings in 2017
Tornado Warning 80, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at May 30, 2017, 5:40 PM CDT for Jefferson Parish, Louisiana. It was in force for 23 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
- May 30, 2017, 5:40 PM CDT (22:40 UTC)
- Expired
- May 30, 2017, 6:03 PM CDT
- In force
- 23 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Jefferson Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.7 hours before the alert went out and 115 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.
804
WFUS54 KLIX 302240
TORLIX
LAC051-302315-
/O.NEW.KLIX.TO.W.0080.170530T2240Z-170530T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
540 PM CDT TUE MAY 30 2017
The National Weather Service in New Orleans has issued a
* Tornado Warning for...
Southeastern Jefferson Parish in southeastern Louisiana...
* Until 615 PM CDT
* At 540 PM CDT, a severe thunderstorm capable of producing a tornado
was located 14 miles east of Leeville, or 22 miles southwest of
Port Sulphur, moving east at 10 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 Jefferson Parish, including the following locations:
Grand Isle Cman.
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 2925 9003 2929 8995 2923 8994 2922 8995
2921 9002
TIME...MOT...LOC 2240Z 261DEG 10KT 2926 8997
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
CAB1 follow-up statement
340
WWUS54 KLIX 302303
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
603 PM CDT TUE MAY 30 2017
LAC051-302312-
/O.CAN.KLIX.TO.W.0080.000000T0000Z-170530T2315Z/
Jefferson LA-
603 PM CDT TUE MAY 30 2017
...THE TORNADO WARNING FOR SOUTHEASTERN JEFFERSON PARISH IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.
LAT...LON 2925 9003 2929 8995 2923 8994 2922 8995
2921 9002
TIME...MOT...LOC 2302Z 261DEG 10KT 2927 8990
$$
CABThe 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, 3:26 PM CDT | Tornado Warning | LIX | Jefferson, Lafourche | 34 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, 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; the sounding from the Mesonet's radiosonde archive.