Louisiana, 2010

Flash Flood and Hail in Louisiana, May 30, 2010

May 30, 2010 · NWS LCH · 5 events in 1 county or zone

Scattered strong to severe thunderstorms developed across southwest Louisiana during the afternoon hours on May 30. Wind damage, large hail, and flash flooding were all reported around the Lake Charles area.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$60,000
Crop damage
None recorded
Events
5

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS LCH wrote it up.

Scattered strong to severe thunderstorms developed across southwest Louisiana during the afternoon hours on May 30. Wind damage, large hail, and flash flooding were all reported around the Lake Charles area.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before the first event at May 30, 11:32 AM CST, 13 minutes earlier.

Area forecast discussion, May 30, 11:32 AM CST, 13 minutes before
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Hazardous weather outlook, May 30, 4:40 AM CST, 7 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
540 AM CDT SUN MAY 30 2010

LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-311000-
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
CAMERON-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-TYLER-JASPER-
NEWTON-HARDIN-JEFFERSON-ORANGE-
540 AM CDT SUN MAY 30 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
LOUISIANA...SOUTH CENTRAL LOUISIANA...SOUTHWEST LOUISIANA...WEST
CENTRAL LOUISIANA AND SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT

AFTERNOON AND EVENING SCATTERED STRONG THUNDERSTORMS ARE EXPECTED.
A FEW OF THESE STORMS COULD BRIEFLY REACH SEVERE LEVELS WITH DAMAGING
STRAIGHT LINE WINDS AND LARGE HAIL UP TO ONE INCH ALONG WITH
FREQUENT LIGHTNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

CHANCES FOR AFTERNOON THUNDERSTORMS WILL DECREASE AND SHOULD
REMAIN BELOW SEVERE LEVELS.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT.

GMZ430-432-435-450-452-455-470-472-475-311000-
SABINE LAKE-CALCASIEU LAKE-VERMILION BAY-
COASTAL WATERS FROM CAMERON, LA TO HIGH ISLAND, TX OUT 20 NM-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON, LA OUT 20 NM-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY,
LA OUT 20 NM-
WATERS FROM CAMERON, LA TO HIGH ISLAND, TX EXTENDING FROM 20 NM
TO 60 NM-
WATERS FROM INTRACOASTAL CITY, LA TO CAMERON, LA EXTENDING FROM
20 NM TO 60 NM-
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY, LA
EXTENDING FROM 20 NM TO 60 NM-
540 AM CDT SUN MAY 30 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST
GULF OF MEXICO.

.DAY ONE...TODAY AND TONIGHT

ISOLATED TO SCATTERED THUNDERSTORMS WILL MOVE INTO THE COASTAL
WATERS FROM THE COASTAL MARSHES LATE IN THE AFTERNOON AND INTO THE EVENING.
THERE WILL ALSO BE A FEW THUNDERSTORMS LATE IN THE NIGHT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A FEW THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE LATE
OVERNIGHT HOURS MAINLY AROUND ATCHAFALAYA BAY.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT.

11

In the hours before

Special weather statement, May 30, 11:40 AM CST, 5 minutes before
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The radar

The Lake Charles radar (KLCH), 7 km away, was scanning. The volume nearest the first event began at 17:44 UTC.

Open the radar archive at this moment

Event by event

2 thunderstorm wind, 1 heavy rain, 1 flash flood, 1 hail. Local standard time, as filed.

Heavy Rain, Calcasieu

When
May 30, 11:45 AM CST to 2:51 PM CST
Where
Calcasieu County, 3.13 mi SSW of Lake Charles
Reported by
Public
Coordinates
30.186, -93.214

Public measured 6.5 inches of rain in an approximately 3 hour period using official NWS rain gauge near the McNeese State University campus.

Thunderstorm Wind, Calcasieu

When
May 30, 12:30 PM CST
Where
Calcasieu County, 1 mi NNE of Perkins
Measured
52 kt (60 mph) estimated gust
Property damage
$15,000
Reported by
Broadcast Media
Coordinates
30.393, -93.412

The public reported via the KPLC-TV Viewernet website that a large tree fell and crushed a car on Holbrook Road south of Dequincy, which was confirmed by photos. Hail of unknown size was also reported.

Flash Flood, Calcasieu

When
May 30, 1:00 PM CST to 4:00 PM CST
Where
Calcasieu County, 2.15 mi SSW of Lake Charles Lake to 1.11 mi NNW of (Lch)lk Charles Muni
Cause
Heavy Rain
Property damage
$20,000
Reported by
Broadcast Media
Coordinates
30.200, -93.238

KPLC-TV and Calcasieu Parish Sheriff office reported widespread street flooding across south Lake Charles, with most entrance and exit ramps along Interstate 210 closed due to high water. Some automobiles stalled due to high water in the area from around I-210 to the McNeese State University campus, and at least one home on Ernest Street and another home on Common Street were flooded.

Hail, Calcasieu

When
May 30, 1:30 PM CST
Where
Calcasieu County, 1.57 mi SSE of Lake Charles Lake
Measured
1 in hail
Reported by
Public
Coordinates
30.208, -93.224

Quarter size hail was reported on Ernest Street at Penn Street in Lake Charles.

Thunderstorm Wind, Calcasieu

When
May 30, 1:30 PM CST to 1:40 PM CST
Where
Calcasieu County, 3.01 mi SSW of Lake Charles to 2.46 mi NW of (Lch)lk Charles Muni
Measured
52 kt (60 mph) estimated gust
Property damage
$25,000
Reported by
NWS Storm Survey
Coordinates
30.188, -93.211

An NWS storm survey found downburst wind damage in a half mile wide by 3 mile long swath across south Lake Charles from the McNeese State University campus southwestward to around the Nelson Road and Ham Reid Road intersection. The worst damage was in and near the McNeese campus, where several trees and power poles were blown down. A few signs at nearby businesses were also damaged, and a flag pole was knocked down along Common Street. Further to the southwest, trees and power lines were blown down and several homes received minor roof damage. Pea to marble size hail was also reported in several locations along the path of the downburst. All damage was in a south to southwest direction, with winds estimated around 60 mph.

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Louisiana in 2010Every state in 2010This day in weather historyWarnings in Louisiana, May 2010

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 237762, 240798, 237763, 237760, 237761.