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    Archived Storm Reports from Isaac

    By by Jillian MacMath, AccuWeather.com Online Journalist
    August 30, 2012, 3:03:24 PM EDT

    After strengthening into a hurricane shortly after noon Tuesday, Isaac has been lashing the Gulf Coast with unrelenting thunderstorms, damaging winds and storm surge flooding.

    Hurricane Isaac officially made landfall in far southeastern Louisiana in Plaquemines Parish with maximum sustained winds of 80 mph at 6:45 p.m. CDT Tuesday. Isaac then moved out into West Bay becoming stationary for much of Tuesday night.

    Isaac has made a second landfall near Port Fourchon with winds of 80 mph around 4:00 a.m. CDT Wednesday.

    Isaac was downgraded to a tropical storm at 2:00 p.m. CDT Wednesday. However, the large circulation around the storm has continued to cause storm surge, flooding rainfall and damaging winds through Thursday morning.

    For a live blog with recent Isaac reports, click here. For stats on Isaac, click here.

    Archived Storm Reports from early Monday through Wednesday afternoon:


    11:00 p.m. EDT Wednesday: According to the Lincoln County Emergency Management Agency, estimates are that 80 percent of roads in the county are blocked by downed trees or powerlines.

    8:30 p.m. EDT Wednesday: SPC reported two tornadoes today in the Gulfport, Miss., area (Harrison County), which caused structural damage to several homes.

    10:00 p.m. EDT Wednesday: The National Weather Service in New Orleans reported that Audubon Park, La., has recorded 19.30 inches of rain so far through 7:00 p.m. from Isaac; 18.7 inches of that amount came during the last 24 hours.

    7:15 p.m. EDT Wednesday: The Associated Press reports that a levee in Plaquemines Parish will be breached to relieve pressure.

    6:30 p.m. EDT Wednesday: Latest rainfall totals from Isaac include 9.57 inches in New Orleans, La.; 7.40 inches in Boothville, La.; 5.27 inches in Slidell, La.; 8.36 inches in Gulfport, Miss.; and 5.63 inches in Pascagoula, Miss. For more stats on Isaac, click here.

    5:00 p.m. EDT Wednesday: Isaac's winds remain at 70 mph, allowing for a strong tropical storm status.

    3:04 p.m. EDT Wednesday: Stone County Emergency Management reports that a roof was taken off a grocery store by a possible tornado in McHenry, Miss.

    1:45 p.m. EDT Wednesday: Water is being reported in some homes in Laplace, La.

    1:37 p.m. EDT Wednesday : At 12:13 p.m. CDT, trained spotters reported a tornado 9 miles southwest of Lyman, Miss., near Long Beach.

    1:34 p.m. EDT Wednesday: @breakingstorm tweeted: Officials considering 'intentional breach' of levee in Plaquemines Parish, La., to release some of water and pressure- Jindal said in broadcast.

    12:04 p.m. EDT Wednesday: "Plaquemines Parish issues new evacuation orders. Now from Venice to the Oakville floodgate on west bank," New Orleans' WWL-TV reporter Maya Rodriguez tweeted.

    10:44 a.m. EDT Wednesday: From New Orleans' WWL-TV reporter Maya Rodriguez on Twitter:
    "Plaquemines Pres. Billy Nungesser: 25 people trapped either in attics or on roofs on east bank. 65 people total on east bank rescue list. [We are] checking storm surge models for west bank of Parish, as there are concerns levees there could overtop as well [because] of storm surge."

    10:27 a.m. EDT Wednesday: At 9 a.m., 30 to 40 vehicles were stranded atop the levee in Plaquemines waiting for a ferry," via ABC News on Twitter.

    9:47 a.m. EDT Wednesday: Mississippi River in Baton Rouge is up 8.5 feet from Isaac.

    9:04 a.m. EDT Wednesday: Isaac's rainfall totals: Lakefront Airport 9.03, New Orleans Int'l 3.75, Slidell 2.49 and Audubon 8.10.

    9:00 a.m. EDT Wednesday: The game between Texas A & M and Louisiana Tech has been postponed until Oct. 13.

    8:26 a.m. EDT Wednesday: The Eye of Isaac is over Houma, La.

    7:15 a.m. EDT Wednesday: The National Weather Service tweeted that the "storm surge moving up Miss. River appears to have crested at New Orleans, at least for now. Levels will remain high, maybe fluctuate."

    7:10 a.m. EDT Wednesday: Entergy now says 434,500 without power in southeast Louisiana.

    7:00 a.m. EDT Wednesday: NHC says Isaac still a hurricane. Winds 80 mph and located about 50 miles SSW of New Orleans. Dangerous storm surge and flooding continue and likely to get worse.

    6:45 a.m. EDT Wednesday: TORNADO WARNING: NWS meteorologists detect possible tornado 14 miles southeast of Pascagoula, Miss., moving northwest at 60 mph.

    6:30 a.m. EDT Wednesday: Widespread and significant street flooding in downtown New Orleans, according to the NWS.

    6:25 a.m. EDT Wednesday: Wind gust to 72 mph in downtown New Orleans.

    6:20 a.m. EDT Wednesday: There have been reports of 10 to 12 feet of water in Plaquemines Parish, CNN reported Wednesday morning.

    5:45 a.m. EDT Wednesday: At 4:20 a.m. CDT, law enforcement reported 5 feet of water in the woodlawn fire department 3 miles WNW of Belle Chasse, La.

    5:30 a.m. EDT Wednesday: Flash Flood Emergency for East Bank of Upper Plaquemines Parish, La. Severe flooding due to over-topped levees.

    4:50 a.m. EDT Wednesday: The NWS and WAFB report that a 18-mile stretch of levee in Plaquemines Parish has been over-topped. Evacuations underway.

    4:20 a.m. EDT Wednesday: Isaac has made a second landfall near Port Fourchon, La., and is no longer stationary. Movement is to the northwest at 8 mph.

    3:45 a.m. EDT Wednesday: Entergy and Cleco now reporting 337,000 total customers without electricity across SE Louisiana.

    3:30 a.m. EDT Wednesday: At 1:40 AM CDT, a wind gust of 113 mph was measured at Belle Chasse Ferry Dock in Plaquemines Parish, La.

    3:00 a.m. EDT Wednesday: Flash Flood Warning in effect for New Orleans through at least 3:45AM CDT. Isaac remains stationary.

    2:00 a.m. EDT Wednesday: Tornado threat beginning to increase over SE LA, and southern MS and AL. Tornado watch continues until 7:00AM CDT.

    12:30 a.m. EDT Wednesday: Entergy now reports 250,000 without power in SE LA. 12:00 a.m. EDT Wednesday: Isaac continues his jog west along the LA coast. Expected to turn northwest soon.

    10:00 p.m. EDT Tuesday: Center of Isaac over water again. Heavy rains, sustained winds of 80 mph, and storm surge flooding continues.

    9:50 p.m. EDT Tuesday: Entergy New Orleans Inc. is reporting more than 190,000 customers without power in Louisiana.

    9:10 p.m. EDT Tuesday: The Lake Pontchartrain Causeway Bridge has been closed in both directions until further notice.

    8:35 p.m. EDT Tuesday: Miss Canyon Oil Rig, La., has recorded a gust of 102 mph.

    7:45 p.m. EDT Tuesday: The Mississippi River at New Orleans is rising rapidly. At 7:24 p.m. EDT, it was up 4 feet from this morning, now at 7.2 feet.

    7:32 p.m. EDT Tuesday: The eye of Isaac was over East Bay between Port Eads and Burrwood, La., based on radar.

    6:47 p.m. EDT Tuesday:The center of circulation of Isaac was just off the mouth of the Mississippi River and appears to be completing a small loop. Landfall can occur any time over the next few hours.

    6:04 p.m. EDT Tuesday:A severe thunderstorm over Santa Rosa County, Fla., has the potential to produce a tornado.

    6:00 p.m. EDT Tuesday: Boothville, La., has recently received a wind gust of 71 mph with sustained winds of 44 mph, while a storm surge of 7.1 feet was measured at Shell Beach, La. A wind gust of 55 mph has been measured at Lakefront Airport in New Orleans.

    5:35 p.m. EDT Tuesday: An oil platform, with a measurement about 200 feet above the surface of the Gulf, just offshore of Louisiana indicated a gust of 106 mph.

    5:00 p.m. EDT Tuesday: Some flooding of the Lake Pontchartrain Causeway Bridge is visible on New Orleans webcams.

    4:45 p.m. EDT Tuesday: Isaac has strengthened a bit with maximum sustained winds of 80 mph.

    3:45 a.m. EDT Wednesday: Entergy and Cleco now reporting 337,000 total customers without electricity across SE Louisiana.

    3:30 a.m. EDT Wednesday: At 1:40 AM CDT, a wind gust of 113 mph was measured at Belle Chasse Ferry Dock in Plaquemines Parish, La.

    3:00 a.m. EDT Wednesday: Flash Flood Warning in effect for New Orleans through at least 3:45AM CDT. Isaac remains stationary.

    2:00 a.m. EDT Wednesday: Tornado threat beginning to increase over SE LA, and southern MS and AL. Tornado watch continues until 7:00AM CDT.

    12:30 a.m. EDT Wednesday: Entergy now reports 250,000 without power in SE LA.

    12:00 a.m. EDT Wednesday: Isaac continues his jog west along the LA coast. Expected to turn northwest soon.

    10:00 p.m. EDT Tuesday: Center of Isaac over water again. Heavy rains, sustained winds of 80 mph, and storm surge flooding continues.

    9:50 p.m. EDT Tuesday: Entergy New Orleans Inc. is reporting more than 190,000 customers without power in Louisiana.

    9:10 p.m. EDT Tuesday: The Lake Pontchartrain Causeway Bridge has been closed in both directions until further notice.

    8:35 p.m. EDT Tuesday: Miss Canyon Oil Rig, La., has recorded a gust of 102 mph.

    7:45 p.m. EDT Tuesday: Hurricane Isaac has officially made landfall in far southeastern Louisiana in Plaquemines Parish with maximum sustained winds of 80 mph.

    4:03 p.m. EDT Tuesday: @BMcNoldy tweeted: "5.5' storm surge in Shell Beach, LA and rising quickly."

    4:00 p.m. EDT Tuesday: Hundreds of miles away from the center of Isaac, Charleston, S.C. was inundated with torrential rainfall. Local amounts in the area have exceeded six inches.

    3:20 p.m. EDT Tuesday: Bands of storms in southern Mississippi just north of Isaac could produce quick hitting tornadoes and gusty winds. Watch out over the next couple of hours.

    2:30 p.m. EDT Tuesday: Radar is showing winds of 100 mph north of Isaac's center at 11,000 feet, according to AccuWeather Expert Senior Meteorologist Henry Margusity. In the Gulf, a wind gust of 82 mph was recorded at Miss Canyon Oil Rig, La., and an 83-mph gust was recorded at the Viosca Knoll Oil Rig, Ala. These observation sites are located well above the surface of the Gulf.

    1:25 p.m. EDT Tuesday: East bound lanes of the Mobile Bay Causeway in Alabama are closed due to water over the road. A 51-mph gust was measured at the Bankhead Tunnel.

    12:20 p.m. EDT Tuesday: Isaac is upgraded to a Category 1 hurricane with maximum sustained winds of 75 mph.

    12:15 p.m. EDT Tuesday: Water is covering a high school parking lot in Ocean Springs, Miss., about 1.5 mile inland from the coast. Multiple streets in Pascagoula, Miss., have been closed due to inundation from storm surge associated with Isaac.

    12:00 p.m. EDT Tuesday: Coastal flooding was occurring in Mobile and Santa Rosa counties of Alabama. In Dauphin Island, Ala., there was 2-3 feet of water over some roads with the Dauphin Island Parkway closed south of Highway 188. Downtown Mobile, Ala., was experiencing coastal flooding as well with water over portion of the causeway near the I-10 intersection. A wind gust of 47 mph was also recorded at Mobile Airport.

    11:00 a.m. EDT Tuesday: Isaac's eye is about 150 miles south of New Orleans, moving slowly to the west-northwest on radar.

    7:55 a.m. EDT Tuesday: Hurricane hunters in reconnaissance aircraft found that Isaac is nearly a hurricane. Hurricane status is not based on how Isaac looks on satellite, it is based on wind data. The National Hurricane Center says there is a significant storm surge and freshwater flood threat to the northern Gulf Coast.

    6:00 a.m. EDT Tuesday: Hurricane hunters suggesting Isaac developing an eyewall. Could become a hurricane soon.

    2:00 a.m. EDT Tuesday: Large tropical storm Isaac down another notch in pressure at 978mb. Buoys and oil rigs just off LA/MS/AL coasts gusting to 50-60mph.

    8:00 p.m. EDT Monday: Isaac still not declared a hurricane by the NHC. Winds remain sustained at 70 mph, just 4 miles per hour under hurricane status.

    5:00 p.m. EDT Monday: Isaac is still not being named a hurricane by the NHC. The next chance for upgrade will come at 8 p.m. Sustained winds are now at 70 mph.

    4:30 p.m. EDT Monday: Latest report shows 74 kt winds southwest of the center of Isaac. It is likely that the NHC will upgrade Isaac to a hurricane at 5 p.m. EDT.

    2:10 p.m. EDT Monday: Oil prices are uncertain with Isaac in the Gulf. Here is a look at some of the factors involved: Oil Prices Uncertain with Isaac in the Gulf

    2:00 p.m. EDT Monday: Isaac's maximum sustained winds are still 65 mph, maintaining tropical storm status.

    1:26 p.m. EDT Monday: "Strong rotation on radar 40 miles SSE of Tampa. Tornado or funnel cloud might be forming," AccuWeather Expert Senior Meteorologist Henry Margusity said.

    1:20 p.m. EDT Monday: Air pressure continues to fall at Buoy 42003 in the Gulf of Mexico with gusts to 45 mph and 15 foot waves, located near Isaac's center.

    12:25 p.m. EDT Monday: A 63-mph gust was recorded with a thunderstorm in Opa-locka, Fla.

    12:05 p.m. EDT Monday: "The area from Jupiter Island to Vero Beach are in a tornado potential zone for the next 1-3 hours," AccuWeather Expert Senior Meteorologist Henry Margusity said.

    11:30 a.m. EDT Monday: Significant flooding was reported along Pine Island Road in Lauderhill, Fla. There were some impassible side streets.

    11:20 a.m. EDT Monday: AccuWeather Expert Senior Meteorologist Alex Sosnowski explains how Isaac will not be another Katrina in terms of intensity, but it is still a dangerous storm: Isaac, Not Another Katrina, But Still Dangerous.

    11:00 a.m. EDT Monday: Maximum sustained winds with Isaac remain 65 mph, so he remains a tropical storm.

    9:50 a.m. EDT: A 47-mph wind gust was measured 5 miles south of Boot Key, Fla.

    9:00 a.m. EDT Monday: A well-defined round eye is visible on radar. This is a good indication that Isaac will be strengthening today.

    8:35 a.m. EDT Monday: Okeechobee, Fla., has received 9.72 inches of rain in the past 24 hours.

    7:00 a.m. EDT Monday: The NWS office from Miami tweeted that all Tropical Storm Warnings were discontinued for all but extreme southwestern coast and far southern Miami-Dade coast.

    6:30 a.m. EDT Monday: Wave heights from buoys range from 8 feet in the central Gulf to 16 feet closer to Tropical Storm Isaac. Surge will be an issue along Gulf Coast.

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