Alert archive / Mississippi / Flash Flood Warnings in 2026
Flash Flood Warning 50, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Jun 1, 2026, 3:27 PM CDT for Saint Tammany Parish, Louisiana; Hancock County, Pearl River County, Mississippi. It was in force for 88 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 1, 2026, 3:27 PM CDT (20:27 UTC)
- Expired
- Jun 1, 2026, 4:55 PM CDT
- In force
- 88 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Saint Tammany Parish, LA, Hancock County, MS, Pearl River County, MS
The radar
The Hammond radar (KHDC), 70 km from the middle of the area, began a volume at 20:31 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 8.5 hours before the alert went out and 203 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
- 2075 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1005 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS New Orleans, LA wrote its last area forecast discussion before this flash flood warning went out at May 31, 6:36 PM CDT, 20 hours 51 minutes earlier.
Area forecast discussion, May 31, 6:36 PM CDT, 20 hours 51 minutes before
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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 |
|---|---|---|---|---|
| Jun 1, 12:31 PM CDT | Special Weather Statement | LIX | Orleans | 44 min |
| Jun 1, 12:41 PM CDT | Special Marine Warning | LIX | 49 min | |
| Jun 1, 1:05 PM CDT | Special Marine Warning | LIX | 55 min | |
| Jun 1, 1:13 PM CDT | Areal Flood Advisory | LIX | East Baton Rouge, Livingston, West Baton Rouge | 2 hr |
| Jun 1, 1:43 PM CDT | Special Weather Statement | LIX | Tangipahoa | 47 min |
| Jun 1, 4:55 PM CDT | Areal Flood Advisory | LIX | Saint Tammany | 3 hr |
| May 31, 7:36 PM CDT | Special Weather Statement | LIX | Harrison | 24 min |
| May 31, 8:02 PM CDT | Areal Flood Advisory | LIX | Hancock, Harrison | 3 hr |
| Jun 1, 3:09 PM CDT | Areal Flood Advisory | LIX | Hancock, Pearl River | 18 min |
Nearby
Flash Flood Warnings in Mississippi, 2026Flash Flood Warnings in Louisiana, 2026Every flash flood warning in 2026
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; radar from the NEXRAD Level II archive.