Flash Flood Warning 101, NWS New Orleans, LA

Issued

Aug 30, 2021, 2:39 AM CDT (07:39 UTC)

Expired

Aug 30, 2021, 11:30 AM CDT

In force

9 hr

Issued by

NWS New Orleans, LA

Area

Storm-based polygon

Damage threat

Considerable

Flood severity

None

Counties Saint Tammany Parish, LA, Hancock County, MS, Harrison County, MS, Jackson County, MS, Pearl River County, MS

The Mobile radar (KMOB), 105 km from the middle of the area, began a volume at 07:42 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.

066 
WGUS54 KLIX 300739
FFWLIX
LAC103-MSC045-047-059-109-301230-
/O.NEW.KLIX.FF.W.0101.210830T0739Z-210830T1230Z/
/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
239 AM CDT Mon Aug 30 2021

The National Weather Service in New Orleans has issued a

* Flash Flood Warning for...
  Southeastern St. Tammany Parish in southeastern Louisiana...
  Hancock County in southern Mississippi...
  Harrison County in southern Mississippi...
  Western Jackson County in southern Mississippi...
  Pearl River County in southern Mississippi...

* Until 730 AM CDT.

* At 239 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 4 and 8 inches of rain 
  have fallen. Additional rainfall amounts of 2 to 4 inches are 
  possible in the warned area. Flash flooding is already occurring.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Gulfport, Biloxi, Long Beach, Picayune, Bay St. Louis, Waveland, 
  Poplarville, Diamondhead, D'iberville, Kiln, Shoreline Park, 
  Mcneil, Saucier, Stennis Space Center, Lyman, Pearlington, 
  Crossroads and Gulfport 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 3092 8934 3065 8934 3068 8889 3070 8888
      3042 8889 3042 8895 3042 8901 3039 8890
      3030 8929 3036 8928 3037 8935 3034 8938
      3034 8934 3030 8933 3020 8945 3016 8957
      3042 8967 3056 8978 3071 8983 3091 8976

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

JB

509 
WGUS54 KLIX 301209
FFWLIX
LAC103-MSC045-047-059-109-301630-
/O.EXT.KLIX.FF.W.0101.000000T0000Z-210830T1630Z/
/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
709 AM CDT Mon Aug 30 2021

The National Weather Service in New Orleans has extended the

* Flash Flood Warning for...
  Southeastern St. Tammany Parish in southeastern Louisiana...
  Hancock County in southern Mississippi...
  Harrison County in southern Mississippi...
  Western Jackson County in southern Mississippi...
  Pearl River County in southern Mississippi...

* Until 1130 AM CDT.

* At 709 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 6 and 10 inches of rain 
  have fallen. Additional rainfall amounts of 3 to 6 inches are 
  possible in the warned area. Flash flooding is already occurring.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Gulfport, Biloxi, Long Beach, Picayune, Bay St. Louis, Waveland, 
  Poplarville, Diamondhead, D'iberville, Kiln, Shoreline Park, 
  Mcneil, Saucier, Stennis Space Center, Lyman, Pearlington, 
  Crossroads and Gulfport Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3092 8934 3065 8934 3068 8889 3070 8888
      3042 8889 3042 8895 3042 8901 3039 8890
      3030 8929 3036 8928 3037 8935 3034 8938
      3034 8934 3030 8933 3020 8945 3016 8957
      3042 8967 3056 8978 3071 8983 3091 8976

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Flash Flood Warnings in Mississippi, 2021Flash Flood Warnings in Louisiana, 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; radar from the NEXRAD Level II archive.