Alert archive / Louisiana / Special Weather Statements in 2014
Special Weather Statement, NWS New Orleans, LA
NWS New Orleans, LA issued this special weather statement at Sep 12, 2014, 12:21 PM CDT for Saint John the Baptist Parish, Louisiana. It was in force for 54 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
- Sep 12, 2014, 12:21 PM CDT (17:21 UTC)
- Expired
- Sep 12, 2014, 1:15 PM CDT
- In force
- 54 min
- Issued by
- NWS New Orleans, LA
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 5.4 hours before the alert went out and 240 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
- 1507 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 8:35 AM CDT | Special Weather Statement | LIX | Saint John the Baptist | 55 min |
| Sep 12, 9:43 AM CDT | Special Weather Statement | LIX | Saint John the Baptist | 62 min |
| Sep 12, 12:34 PM CDT | Areal Flood Advisory | LIX | Jefferson, Saint Charles, Saint John the Baptist | 116 min |
| Sep 12, 2:56 PM CDT | Special Weather Statement | LIX | Tangipahoa | 64 min |
| Sep 12, 3:20 PM CDT | Special Weather Statement | LIX | West Baton Rouge | 55 min |
| Sep 12, 6:36 PM CDT | Areal Flood Advisory | LIX | Amite | 114 min |
Nearby
Special Weather Statements in Louisiana, 2014Every special weather statement in 2014
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.