Flash Flood Warning 103, NWS New Orleans, LA

Issued

Aug 30, 2021, 3:55 AM CDT (08:55 UTC)

Expired

Aug 30, 2021, 8:37 AM CDT

In force

5 hr

Issued by

NWS New Orleans, LA

Area

Storm-based polygon

Flood severity

None

Counties East Feliciana Parish, LA, Saint Helena Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, Amite County, MS, Pike County, MS, Walthall County, MS

312 
WGUS54 KLIX 300855
FFWLIX
LAC037-091-105-117-MSC005-113-147-301400-
/O.NEW.KLIX.FF.W.0103.210830T0855Z-210830T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New Orleans LA
Issued by National Weather Service Lake Charles LA
355 AM CDT Mon Aug 30 2021

The National Weather Service in New Orleans has issued a

* Flash Flood Warning for...
  Northeastern East Feliciana Parish in southeastern Louisiana...
  Northeastern St. Helena Parish in southeastern Louisiana...
  Northwestern Tangipahoa Parish in southeastern Louisiana...
  Northern Washington Parish in southeastern Louisiana...
  Amite County in southern Mississippi...
  Pike County in southern Mississippi...
  Walthall County in southern Mississippi...

* Until 900 AM CDT.

* At 355 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 5 inches of rain 
  have fallen. Additional rainfall amounts of 3 to 5 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Mccomb, Liberty, Magnolia, Summit, Tylertown, Osyka, Gillsberg, 
  Smithdale, Salem, Dexter and Mccomb Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3099 9090 3135 9088 3135 9011 3133 9008
      3134 9004 3118 9003 3118 9001 3113 9001
      3113 8994 3107 8992 3107 8984 3100 8984
      3100 8973 3099 8973

FLASH FLOOD...RADAR INDICATED

$$

533 
WGUS74 KLIX 301337
FFSLIX

Flash Flood Statement
National Weather Service New Orleans LA
Issued by National Weather Service Lake Charles LA
837 AM CDT Mon Aug 30 2021

LAC037-091-105-117-MSC005-113-147-301347-
/O.CAN.KLIX.FF.W.0103.000000T0000Z-210830T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
East Feliciana LA-St. Helena LA-Tangipahoa LA-Washington LA-Amite MS-
Pike MS-Walthall MS-
837 AM CDT Mon Aug 30 2021

...FLASH FLOOD WARNING IS CANCELLED FOR AMITE, PIKE AND WALTHALL 
COUNTIES AND NORTHEASTERN EAST FELICIANA, NORTHEASTERN ST. HELENA, 
NORTHWESTERN TANGIPAHOA AND NORTHERN WASHINGTON PARISHES...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

LAT...LON 3099 9090 3135 9088 3135 9011 3133 9008
      3134 9004 3118 9003 3118 9001 3113 9001
      3113 8994 3107 8992 3107 8984 3100 8984
      3100 8973 3099 8973

$$

Flash Flood Warnings in Louisiana, 2021Flash Flood Warnings in Mississippi, 2021Every flash flood warning in 2021

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.