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USGS Flood Information

Current Flood Events | Hurricane Isaac | Streamgages

Prior to the arrival of Hurricane Isaac, USGS technicians deployed 180 non-transmitting storm tide sensors and 17 real-time rapid deployment streamgages (RDGs) along the Louisiana, Mississippi, and Alabama coasts.

USGS Storm tide and Rapid deployment streamgages used during Hurricane Isaac

Storm tide sensors are non-transmitting submersible devices which continuously record water level during the event which can be downloaded later to determine the extent of the storm tide inundation and the depth of water over the land surface. Barometric pressure sensor data are used to adjust the recorded water level data and may also be used by meteorologists to document weather conditions.

(Click here to jump to a list of definitions below)

Rapid deployment streamgages perform a function similar to the storm tide sensors in that they record the water level data, but they also transmit those data on a real time basis. Some RDGs also record and transmit real time meteorological data. Information from these instruments is being retrieved and posted for display on the storm tracker found on the USGS Hurricane Isaac web page.


Streamgage list:

NWIS Site LinkSite nameLatitudeLongitudeStateSensor type
02480605Tchoutacabouffa River at Cedar Lake Road near Biloxi, MS30.45948-88.93892MississippiRDG
02481299Old Fort Bayou at Hwy 609 near Ocean Springs, MS30.419609-88.828036MississippiRDG
02481325BAYOU PORTAGE AT HENDERSON AVE NR DE LISLE, MS30.34241866-89.2644885MississippiRDG
02481667Jourdan River at I-10 near Diamondhead, MS30.36517-89.40161MississippiRDG
02481671BAYOU LA CROIX AT ST HWY 603 NR WAVELAND, MS30.3301954-89.4247725MississippiRDG
02492670EAST PEARL RIVER AT HIGHWAY 90 AT PEARLINGTON, MS30.23908333-89.6147778MississippiRDG
0248152650WOLF RIVR AT HENDERSON ROAD AT DELISLE, MS30.358-89.2733611MississippiRDG
301213894806Lake Pontchartrain at I-10 near Slidell, LA30.20374-89.80163LouisianaRDG
3004510895507I-10 Drainge Canal near Little Woods, LA30.081111-89.918611LouisianaRDG
295020089411600Bayou Laloutre at Yscloskey, LA29.838889-89.687778LouisianaRDG
300413090084304Lake Pontchartrain at Lake Pontchartrain Causeway near New Orleans, LA30.07042-90.14529LouisianaRDG
300830089515000Little Irish Bayou at Hwy 11 near Slidell, LA30.141667-89.863889LouisianaRDG
301609089504016Liberty Bayou at Hwy 433 near Slidell, LA30.26921-89.84449LouisianaRDG
301704090240655Pass Manchac at I-55 near Laplace, LA30.28462-90.40182LouisianaRDG
301847089560989Bayou Lacombe at US 190 near Lacombe, LA30.31317-89.93608LouisianaRDG
302019088074181Mobile Bay at Hwy 193 near Dauphin Island, AL30.33862-88.12828AlabamaRDG
302415090091465Tchefuncta River at Hwy 22 at Madisonville, LA30.40433-90.15407LouisianaRDG
02480605MT - Tchoutacabouffa River at Cedar Lake Road near Biloxi, MS30.45948-88.93892Mississippinon-transmitting
02481299MT - Old Fort Bayou at Hwy 609 near Ocean Springs, MS30.419609-88.828036Mississippinon-transmitting
02481667MT - Jourdan River at I-10 near Diamondhead, MS30.36517-89.40161Mississippinon-transmitting
300413090084304MT - Lake Pontchartrain at Lake Pontchartrain Causeway near New Orleans, LA30.07042-90.14529Louisiananon-transmitting
301213894806MT - Lake Pontchartrain at I-10 near Slidell, LA30.20374-89.80163Louisiananon-transmitting
301609089504016MT - Liberty Bayou at Hwy 433 near Slidell, LA30.26921-89.84449Louisiananon-transmitting
301704090240655MT - Pass Manchac at I-55 near Laplace, LA30.28462-90.40182Louisiananon-transmitting
301847089560989MT - Bayou Lacombe at US 190 near Lacombe, LA30.31317-89.93608Louisiananon-transmitting
302019088074181MT - Mobile Bay at Hwy 193 near Dauphin Island, AL30.33862-88.12828Alabamanon-transmitting
302415090091465MT - Tchefuncta River at Hwy 22 at Madisonville, LA30.40433-90.15407Louisiananon-transmitting
0237817710-STORM-TIDE GAGE ON ROBERTS BAYOU NR JOSEPHINE30.32638889-87.5333333Alabamanon-transmitting
0237817710-STORM-TIDE GAGE ON ROBERTS BAYOU NR JOSEPHINE30.32638889-87.5333333Alabamanon-transmitting
0237819950-STORM-TIDE GAGE ON BON SECURE RIVER NR BON SECURE30.3045222-87.7281361Alabamanon-transmitting
0237819950-STORM-TIDE GAGE ON BON SECURE RIVER NR BON SECURE30.3045222-87.7281361Alabamanon-transmitting
3013550880105-STORM-TIDE GAGE ON MOBILE BAY NEAR FT. MORGAN, ALA30.23195833-88.0179444Alabamanon-transmitting
3013550880105-STORM-TIDE GAGE ON MOBILE BAY NEAR FT. MORGAN, ALA30.23195833-88.0179444Alabamanon-transmitting
3031300875442-STORM-TIDE GAGE ON MOBILE BAY NEAR FAIRHOPE, ALA30.52506389-87.9115528Alabamanon-transmitting
3031300875442-STORM-TIDE GAGE ON MOBILE BAY NEAR FAIRHOPE, ALA30.52506389-87.9115528Alabamanon-transmitting
3037480875508-STORM-TIDE GAGE ON MOBILE BAY NEAR DAPHNE. ALA30.6300222-87.9187583Alabamanon-transmitting
3037480875508-STORM-TIDE GAGE ON MOBILE BAY NEAR DAPHNE. ALA30.6300222-87.9187583Alabamanon-transmitting
SSS-AL-MOB-001WL30.2527-88.14082Alabamanon-transmitting
SSS-AL-MOB-002BP30.24848-88.19156Alabamanon-transmitting
SSS-AL-MOB-002WL30.24848-88.19156Alabamanon-transmitting
SSS-AL-MOB-002WV30.24848-88.19156Alabamanon-transmitting
SSS-AL-MOB-003WL30.24848-88.19156Alabamanon-transmitting
SSS-AL-MOB-004WL30.37822-88.24212Alabamanon-transmitting
SSS-AL-MOB-005BP30.3716-88.10972Alabamanon-transmitting
SSS-AL-MOB-005WL30.3716-88.10972Alabamanon-transmitting
SSS-AL-MOB-006BP30.3716-88.10972Alabamanon-transmitting
SSS-AL-MOB-006WV30.3716-88.10972Alabamanon-transmitting
SSS-AL-MOB-007WL30.53263-88.105Alabamanon-transmitting
SSS-AL-MOB-008WL30.5663-88.09299Alabamanon-transmitting
SSS-AL-MOB-009WL30.58637-88.11424Alabamanon-transmitting
SSS-AL-MOB-010BP30.62526-88.09924Alabamanon-transmitting
SSS-AL-MOB-010WL30.62526-88.09924Alabamanon-transmitting
Bayou des Familles near Highway 3134 north of Jean Lafitte, LA29.778333-90.100278Louisiananon-transmitting RDG
SSS-LA-ORL-013BP30.00789-89.93971Louisiananon-transmitting
SSS-LA-ORL-013WL30.00633-89.93955Louisiananon-transmitting
SSS-LA-ORL-014WL30.07691-89.94309Louisiananon-transmitting
SSS-LA-ORL-017BP30.06643-89.80586Louisiananon-transmitting
SSS-LA-ORL-017WL30.06688-89.80633Louisiananon-transmitting
SSS-LA-ORL-050BP30.14218-89.86342Louisiananon-transmitting
SSS-LA-ORL-050WL30.14208-89.86347Louisiananon-transmitting
SSS-LA-ORL-051BP30.04089-90.23794Louisiananon-transmitting
SSS-LA-ORL-051WL30.04104-90.23839Louisiananon-transmitting
SSS-LA-ORL-052WL30.11626-89.76152Louisiananon-transmitting
SSS-LA-ORL-054BP30.02179-90.11415Louisiananon-transmitting
SSS-LA-ORL-054WL30.02226-90.11422Louisiananon-transmitting
SSS-LA-PLA-001BP29.61292-89.84561Louisiananon-transmitting
SSS-LA-PLA-001WL29.6131-89.8453Louisiananon-transmitting
SSS-LA-PLA-002WL29.61179-89.84579Louisiananon-transmitting
SSS-LA-PLA-003WL29.52933-89.72734Louisiananon-transmitting
SSS-LA-PLA-004WL29.56657-89.76587Louisiananon-transmitting
SSS-LA-PLA-005WL29.6486-89.93526Louisiananon-transmitting
SSS-LA-PLA-006BP29.711-89.97722Louisiananon-transmitting
SSS-LA-PLA-006WL29.711-89.97722Louisiananon-transmitting
SSS-LA-PLA-007BP29.35311-89.53568Louisiananon-transmitting
SSS-LA-PLA-007WL29.35278-89.5364Louisiananon-transmitting
SSS-LA-PLA-008WL29.4499-89.64972Louisiananon-transmitting
SSS-LA-PLA-009WL29.27228-89.35315Louisiananon-transmitting
SSS-LA-PLA-010BP29.25242-89.35828Louisiananon-transmitting
SSS-LA-PLA-010WL29.25242-89.35828Louisiananon-transmitting
SSS-LA-PLA-011WL29.23234-89.38946Louisiananon-transmitting
SSS-LA-PLA-012BP29.37529-89.60142Louisiananon-transmitting
SSS-LA-PLA-012WL29.37529-89.60142Louisiananon-transmitting
SSS-LA-PLA-017WL29.76189-90.00966Louisiananon-transmitting
SSS-LA-PLA-018BP29.76028-90.01751Louisiananon-transmitting
SSS-LA-PLA-018WL29.76168-90.01019Louisiananon-transmitting
SSS-LA-PLA-019BP29.8314-89.9596Louisiananon-transmitting
SSS-LA-PLA-019WL29.83164-89.95924Louisiananon-transmitting
SSS-LA-PLA-020WL29.8403-89.97103Louisiananon-transmitting
SSS-LA-PLA-021WL29.85545-89.90964Louisiananon-transmitting
SSS-LA-PLA-022BP29.85561-89.91063Louisiananon-transmitting
SSS-LA-PLA-022WL29.85561-89.91063Louisiananon-transmitting
SSS-LA-STB-003BP29.90481-89.89348Louisiananon-transmitting
SSS-LA-STB-003WL29.90092-89.89368Louisiananon-transmitting
SSS-LA-STB-024BP29.80685-89.76427Louisiananon-transmitting
SSS-LA-STB-024WL29.80691-89.76452Louisiananon-transmitting
SSS-LA-STB-025BP29.81918-89.61169Louisiananon-transmitting
SSS-LA-STB-025WL29.81886-89.61126Louisiananon-transmitting
SSS-LA-STB-026BP29.75812-89.78405Louisiananon-transmitting
SSS-LA-STB-026WL29.75786-89.7838Louisiananon-transmitting
SSS-LA-STB-027BP29.85327-89.7137Louisiananon-transmitting
SSS-LA-STB-027WL29.85327-89.7137Louisiananon-transmitting
SSS-LA-STT-007BP30.29038-89.77743Louisiananon-transmitting
SSS-LA-STT-007WL30.29038-89.77743Louisiananon-transmitting
SSS-LA-STT-008WL30.27134-89.79356Louisiananon-transmitting
SSS-LA-STT-009WL30.30617-89.87098Louisiananon-transmitting
SSS-LA-STT-010BP30.33739-90.00198Louisiananon-transmitting
SSS-LA-STT-010WL30.33739-90.00198Louisiananon-transmitting
SSS-LA-STT-011BP30.38488-90.07906Louisiananon-transmitting
SSS-LA-STT-011WL30.38488-90.07906Louisiananon-transmitting
SSS-LA-STT-012BP30.45449-90.13426Louisiananon-transmitting
SSS-LA-STT-012WL30.45449-90.13426Louisiananon-transmitting
SSS-LA-STT-100WL30.23835-89.61631Louisiananon-transmitting
SSS-LA-STT-101WL30.17615-89.72835Louisiananon-transmitting
SSS-LA-STT-102WL30.23518-89.63959Louisiananon-transmitting
SSS-LA-TAN-004BP30.43865-90.2664Louisiananon-transmitting
SSS-LA-TAN-004WL30.43865-90.2664Louisiananon-transmitting
SSS-MS-HAN-004WL30.31007-89.32571Mississippinon-transmitting
SSS-MS-HAN-012WL30.36557-89.37379Mississippinon-transmitting
SSS-MS-HAN-013WL30.3242-89.32778Mississippinon-transmitting
SSS-MS-HAN-014WL30.30244-89.32799Mississippinon-transmitting
SSS-MS-HAN-015BP30.23954-89.4248Mississippinon-transmitting
SSS-MS-HAN-015WL30.23954-89.4248Mississippinon-transmitting
SSS-MS-HAN-016WL30.23953-89.4323Mississippinon-transmitting
SSS-MS-HAN-017WL30.24995-89.55179Mississippinon-transmitting
SSS-MS-HAN-018WL30.22103-89.48212Mississippinon-transmitting
SSS-MS-HAR-001WL30.45346-89.02775Mississippinon-transmitting
SSS-MS-HAR-002WL30.45353-89.01321Mississippinon-transmitting
SSS-MS-HAR-003WL30.44943-89.0926Mississippinon-transmitting
SSS-MS-HAR-004BP30.41288-89.09313Mississippinon-transmitting
SSS-MS-HAR-004WL30.41288-89.09313Mississippinon-transmitting
SSS-MS-HAR-005WL30.36419-89.09032Mississippinon-transmitting
SSS-MS-HAR-006WL30.37691-89.04433Mississippinon-transmitting
SSS-MS-HAR-007WL30.40946-89.03756Mississippinon-transmitting
SSS-MS-HAR-008WL30.42071-89.01804Mississippinon-transmitting
SSS-MS-HAR-010WL30.37702-89.23209Mississippinon-transmitting
SSS-MS-HAR-011BP30.36672-89.26917Mississippinon-transmitting
SSS-MS-HAR-011WL30.36672-89.26917Mississippinon-transmitting
SSS-MS-HAR-014WL30.31244-89.2907Mississippinon-transmitting
SSS-MS-HAR-019WL30.38999-88.85783Mississippinon-transmitting
SSS-MS-HAR-020BP30.39204-88.95441Mississippinon-transmitting
SSS-MS-HAR-020WL30.39084-88.95499Mississippinon-transmitting
SSS-MS-HAR-021BP30.39219-88.9751Mississippinon-transmitting
SSS-MS-HAR-021WL30.39089-88.97488Mississippinon-transmitting
SSS-MS-HAR-022BP30.38079-89.03555Mississippinon-transmitting
SSS-MS-HAR-022WL30.38008-89.03524Mississippinon-transmitting
SSS-MS-HAR-023WL30.34418-89.14133Mississippinon-transmitting
SSS-MS-HAR-024BP30.33841-89.1705Mississippinon-transmitting
SSS-MS-HAR-024WL30.33752-89.1701Mississippinon-transmitting
SSS-MS-HAR-025BP30.32855-89.20406Mississippinon-transmitting
SSS-MS-HAR-025WL30.32801-89.20386Mississippinon-transmitting
SSS-MS-HAR-026WV30.3113-89.24516Mississippinon-transmitting
SSS-MS-HAR-101BP30.39307-88.9384Mississippinon-transmitting
SSS-MS-HAR-101WV30.39307-88.9384Mississippinon-transmitting
SSS-MS-JAC-012WL30.406444-88.822417Mississippinon-transmitting
SSS-MS-JAC-013BP30.398944-88.77325Mississippinon-transmitting
SSS-MS-JAC-013WL30.398889-88.773306Mississippinon-transmitting
SSS-MS-JAC-014WL30.40036-88.75736Mississippinon-transmitting
SSS-MS-JAC-015BP30.37429-88.76Mississippinon-transmitting
SSS-MS-JAC-015WL30.37429-88.76Mississippinon-transmitting
SSS-MS-JAC-016BP30.38279-88.73759Mississippinon-transmitting
SSS-MS-JAC-016WL30.38059-88.7383Mississippinon-transmitting
SSS-MS-JAC-017WL30.34301-88.7084Mississippinon-transmitting
SSS-MS-JAC-018WL30.36284-88.70138Mississippinon-transmitting
SSS-MS-JAC-019WL30.39582-88.70824Mississippinon-transmitting
SSS-MS-JAC-020BP30.37898-88.65966Mississippinon-transmitting
SSS-MS-JAC-020WL30.37901-88.65967Mississippinon-transmitting
SSS-MS-JAC-021WL30.36332-88.66297Mississippinon-transmitting
SSS-MS-JAC-022WL30.38803-88.61578Mississippinon-transmitting
SSS-MS-JAC-023WL30.41112-88.65489Mississippinon-transmitting
SSS-MS-JAC-024BP30.42036-88.64941Mississippinon-transmitting
SSS-MS-JAC-024WL30.4198-88.6494Mississippinon-transmitting
SSS-MS-JAC-030WL30.41344-88.48746Mississippinon-transmitting
SSS-MS-JAC-031BP30.41994-88.5991Mississippinon-transmitting
SSS-MS-JAC-031WL30.41994-88.5991Mississippinon-transmitting
SSS-MS-JAC-032WL30.36814-88.49949Mississippinon-transmitting
SSS-MS-JAC-033WL30.343-88.52312Mississippinon-transmitting
SSS-MS-JAC-034BP30.34821-88.55405Mississippinon-transmitting
SSS-MS-JAC-034WL30.34821-88.55405Mississippinon-transmitting
SSS-MS-JAC-035WL30.44055-88.8058Mississippinon-transmitting
SSS-MS-JAC-036BP30.44324-88.84183Mississippinon-transmitting
SSS-MS-JAC-036WL30.44324-88.84183Mississippinon-transmitting
SSS-MS-JAC-037WL30.43813-88.88013Mississippinon-transmitting
SSS-MS-JAC-038WL30.46218-88.89183Mississippinon-transmitting
SSS-MS-JAC-039BP30.36134-88.63615Mississippinon-transmitting
SSS-MS-JAC-039WV30.36134-88.63615Mississippinon-transmitting
SSS-MS-JAC-040BP30.33962-88.57019Mississippinon-transmitting
SSS-MS-JAC-040WV30.33962-88.57019Mississippinon-transmitting
302616088364200-West Pascagoula at I-1030.4375-88.6118Mississippinon-transmitting
02480273-Pascagoula River at Interstate 10 at Crooked Bayou30.43806-88.58083Mississippinon-transmitting
02479343-Pascagoula River at MI8 near Escatawpa, MS30.43825-88.55779Mississippinon-transmitting
02480207-Escatawpa River at Moss Point30.4266-88.5446Mississippinon-transmitting
302438088502900-Back Bay of Biloxi at Old Highway 90 bridge at Ocean Springs30.4094-88.972Mississippinon-transmitting
02480212-Pascagoula River at Mile 1 at Pascagoula30.36778-88.5631Mississippinon-transmitting
02480285-West Pascagoula River at HWY 90 at Gautier30.3827-88.60844Mississippinon-transmitting
02480285-West Pascagoula River at HWY 90 at Gautier30.3827-88.60844Mississippinon-transmitting
302318088512600-Biloxi Bay at Point Cadet Harbor at Biloxi, MS30.3883-88.8572Mississippinon-transmitting
302318088512600-Biloxi Bay at Point Cadet Harbor at Biloxi, MS30.3883-88.8572Mississippinon-transmitting

Definitions

Hurricane Isaac data sites

Storm Tide
Temporary instrument that records storm-tide data (abnormal rise in sea level accompanying hurricanes).
Rapid deployment streamgages
Temporary streamgages setup to provide short-term water-level data for critical areas lacking streamgages during an event.
Wave height
Temporary instrument that records wave height (recording intervals of 2 secs. or less).
Barometric pressure
Temporary atmospheric pressure recorders used to correct the storm tide data.
High Water Marks
Physical or natural evidence of previous water levels. Click here for more info.

Long-term gaging sites

Streamgages
Location on a watercourse where systematic observations of stage and/or flow are measured. For more information about streamgages, see NWIS Web Interface.
Tide gages
Gages that record long-term tidal water level.
Tidal crest gages
Gages that record maximum tide for observation period (months or years).

Interested in learning more?

A more comprehensive discussion of USGS efforts during hurricanes can be found in this article:

USGS Streamgaging Program Prepares for Future Hurricanes To Ensure the Availability of Flood Data Before, During, and After the Storm


Click here to return to USGS Hurricane Isaac webpage

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Page Last Modified: Monday, 24-Feb-2014 13:51:47 EST