Alert archive / Louisiana / Tornado Warnings in 2018
Tornado Warning 10, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Apr 14, 2018, 8:03 AM CDT for Saint Helena Parish, Tangipahoa Parish, Louisiana. It was in force for 42 min. 3 reports 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
- Apr 14, 2018, 8:03 AM CDT (13:03 UTC)
- Expired
- Apr 14, 2018, 8:45 AM CDT
- In force
- 42 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Saint Helena Parish, LA, Tangipahoa Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 14, 8:25 AM CDT | TSTM WND DMG | Greensburg, LA | TREES DOWN SOUTH OF GREENSBURG ALONG HWY 43. ALSO ALONG HWY 1045 NEAR THE TANGIPAHOA RIVER. TIME ESTIMATED FROM RADAR. |
| Apr 14, 8:35 AM CDT | TORNADO 0 | 4 N Amite, LA | SURVEY DETERMINED A TRACK STARTING IN ST HELENA PARISH AT THE INTERSECTION OF LA 441 AND LA 1048, PROCEEDING EAST ALONG LA 1048 INTO TANGIPAHOA PARISH, LIFTING NEAR U.S. HIGHWAY 51 AT ARCOLA. LARGE PINES AND OAKS UPROOTED. MOST TREES DOWN NOTED ALONG ARCOLA RO |
| Apr 14, 8:40 AM CDT | TSTM WND DMG | 5 N Amite, LA | EM ESTIMATED OVER 100 TREES DOWN AROUND ARCOLA ALONG WITH MINOR SHINGLE DAMAGE. POSSIBLE TORNADO. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 14, 6:57 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 1.1 hours before the alert went out and 109 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
- 1802 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 534 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 222 m²/s²
- 0-3 km storm-relative helicity
- 293 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 12.6
The text
As transmitted.
707
WFUS54 KLIX 141303
TORLIX
LAC091-105-141345-
/O.NEW.KLIX.TO.W.0010.180414T1303Z-180414T1345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
803 AM CDT SAT APR 14 2018
The National Weather Service in New Orleans has issued a
* Tornado Warning for...
Northern St. Helena Parish in southeastern Louisiana...
Northwestern Tangipahoa Parish in southeastern Louisiana...
* Until 845 AM CDT.
* At 802 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Darlington, or near Greensburg, moving east at 35
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...
Greensburg and Easleyville around 810 AM CDT.
Kentwood around 830 AM CDT.
Wilmer around 840 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Tangipahoa.
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 3100 9036 3078 9034 3080 9084 3095 9084
TIME...MOT...LOC 1302Z 266DEG 32KT 3087 9077
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
CABThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 4:24 AM CDT | Gale Warning | LIX | 26 hr | |
| Apr 14, 4:24 AM CDT | Small Craft Advisory | LIX | 54 hr | |
| Apr 14, 4:24 AM CDT | Wind Advisory | LIX | Saint Bernard, Saint John the Baptist | 12 hr |
| Apr 14, 6:18 AM CDT | Special Weather Statement | LIX | Pointe Coupee, West Feliciana | 27 min |
| Apr 14, 6:30 AM CDT | Tornado Warning | LIX | Pointe Coupee | 15 min |
| Apr 14, 6:36 AM CDT | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 54 min |
| Apr 14, 6:58 AM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Helena, West Baton Rouge and 1 more | 62 min |
| Apr 14, 7:31 AM CDT | Tornado Warning | LIX | East Feliciana, Saint Helena | 44 min |
| Apr 14, 7:55 AM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, Saint Helena, Tangipahoa | 50 min |
| Apr 14, 7:57 AM CDT | Tornado Warning | LIX | East Baton Rouge, East Feliciana, Livingston, Saint Helena, West Baton Rouge | 48 min |
| Apr 14, 8:01 AM CDT | Severe Thunderstorm Warning | LIX | Ascension, Assumption, East Baton Rouge, Iberville, Lafourche, Livingston and 3 more | 59 min |
| Apr 14, 8:18 AM CDT | Tornado Warning | LIX | Ascension, East Baton Rouge, Livingston, Tangipahoa | 42 min |
| Apr 14, 8:22 AM CDT | Tornado Warning | LIX | Saint Helena, Tangipahoa | 38 min |
| Apr 14, 8:30 AM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, Livingston, Saint Helena, Tangipahoa, Washington | 45 min |
| Apr 14, 8:45 AM CDT | Severe Thunderstorm Warning | LIX | Livingston, Saint Helena, Saint Tammany, Tangipahoa, Washington | 45 min |
| Apr 14, 8:49 AM CDT | Tornado Warning | LIX | Saint Tammany, Tangipahoa, Washington | 41 min |
| Apr 14, 8:55 AM CDT | Tornado Warning | LIX | Tangipahoa, Washington | 35 min |
| Apr 14, 9:00 AM CDT | Severe Thunderstorm Warning | LIX | Ascension, Assumption, Lafourche, Livingston, Saint Charles, Saint James and 3 more | 45 min |
| Apr 14, 9:03 AM CDT | Special Marine Warning | LIX | 42 min | |
| Apr 14, 9:22 AM CDT | Severe Thunderstorm Warning | LIX | Assumption, Lafourche, Terrebonne | 38 min |
| Apr 14, 9:27 AM CDT | Tornado Warning | LIX | Assumption, Lafourche, Saint James | 33 min |
| Apr 14, 9:30 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa, Washington | 45 min |
| Apr 14, 9:42 AM CDT | Special Marine Warning | LIX | 93 min | |
| Apr 14, 9:44 AM CDT | Severe Thunderstorm Warning | LIX | Assumption, Lafourche, Livingston, Saint Charles, Saint James, Saint John the Baptist and 1 more | 46 min |
| Apr 14, 9:51 AM CDT | Areal Flood Advisory | LIX | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Lafourche and 8 more | 3 hr |
| Apr 14, 10:14 AM CDT | Areal Flood Advisory | LIX | Saint John the Baptist, Saint Tammany, Tangipahoa, Washington | 3 hr |
| Apr 14, 10:17 AM CDT | Areal Flood Advisory | LIX | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 3 more | 3 hr |
| Apr 14, 10:21 AM CDT | Special Weather Statement | LIX | Saint Tammany | 84 min |
| Apr 14, 10:26 AM CDT | Severe Thunderstorm Warning | LIX | Jefferson, Lafourche, Orleans, Saint Charles, Saint John the Baptist, Terrebonne | 49 min |
| Apr 14, 10:34 AM CDT | Special Marine Warning | LIX | 86 min | |
| Apr 14, 10:52 AM CDT | Tornado Warning | LIX | Saint Tammany | 12 min |
| Apr 14, 11:11 AM CDT | Special Marine Warning | LIX | 94 min | |
| Apr 14, 11:16 AM CDT | Special Weather Statement | LIX | Lafourche, Orleans, Terrebonne | 44 min |
| Apr 14, 11:37 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 22 min |
| Apr 14, 12:04 PM CDT | Special Weather Statement | LIX | Orleans | 41 min |
| Apr 14, 12:11 PM CDT | Flash Flood Warning | LIX | Saint Tammany | 3 hr |
| Apr 14, 12:13 PM CDT | Flash Flood Warning | LIX | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more | 3 hr |
| Apr 14, 12:28 PM CDT | Special Marine Warning | LIX | 92 min | |
| Apr 14, 12:37 PM CDT | Special Marine Warning | LIX | 38 min | |
| Apr 14, 12:54 PM CDT | Special Marine Warning | LIX | 96 min | |
| Apr 14, 1:05 PM CDT | Special Weather Statement | LIX | Plaquemines | 85 min |
| Apr 14, 2:26 PM CDT | Special Marine Warning | LIX | 2 hr | |
| Apr 14, 2:39 PM CDT | Special Weather Statement | LIX | Saint Bernard | 51 min |
| Apr 14, 3:16 PM CDT | Areal Flood Advisory | LIX | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more | 3 hr |
| Apr 14, 4:27 PM CDT | Special Weather Statement | LIX | Orleans | 63 min |
| Apr 14, 4:33 PM CDT | Special Marine Warning | LIX | 87 min | |
| Apr 14, 5:32 PM CDT | Special Marine Warning | LIX | 88 min | |
| Apr 14, 5:35 PM CDT | Special Marine Warning | LIX | 115 min |
Nearby
Tornado Warnings in Louisiana, 2018Every tornado warning in 2018Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.