USGS Flood Information   

The INTERNAL flood page is a dashboard for quick viewing of flood-related activity as well as important links to flood policies (below). Click any image for more details or scroll down for policies and other resources. Link to Event Support Map (current events only)

USGS heads-up display

FloodWatch

WaterWatch

DroughtWatch

NOAA/NWS heads-up display

River Forecasts

UNDER CONSTRUCTION
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Click to be redirected to real-time river forecast site.

1-day Observed Precipitation

Current Radar

5-day Quantitative Precipitation Forecast

NHC Atlantic Hurricane Activity

LMRFC Experimental Forecast Map

NWS Enhanced Data Display (Experimental)

NWS MMEFS forecasts

LINK TO NWS TOOL ONLY
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Click to be redirected to NWS short-term Meteorological Model-based Ensemble Forecasting System (MMEFS).

USGS Flood Policies

Flood Coordination
Presentations


• WMA Policy Memo 2016.01: USGS WMA Flood Response Policy
• OSW Tech Memo 2013.01: Computing AEP for Observed Flood Peaks
• OSW Tech Note 2013.21: Additional Guidance to Tech Memo 2013.01
• OSW Tech Memo 2010.05: Weighted estimates of peak flow frequency statistics
• OSW Tech Note 2014.43: Weighting estimates when using EMA (updates OSW Tech Memo 2010.05)
• link to all OSW policies
• link to all OSW technical notes (sharepoint site)
• link to all WMA policies
• Flood Plans - National guidance and Center-level flood plans.
  USGS Storm Response Plan (Draft - May 25, 2013)

Flood Procedures

• PeakFQ - USGS flood probability (flood frequency) computation software
• USGS HWM Hunting Guide - Identifying and Preserving High-Water Mark Data (TM3-A24)
• Indirect Measurements - Methods and guidance for measuring floods after water has receded.
• Build a Flood Measurements Tracking Table - WaterWatch tool for building a summary table of measurements made during an event.
• Build a Flood Conditions Table - WaterWatch tool for building a summary table of flood and high-flow conditions in a defined geographic boundary.
• Project Alert Notification Form - Notify decision-makers about flood conditions in your area.
• Flood Resources Inventory (Access limited. Please contact Bob Holmes to be added to the access list.)
• Rapid Flood Documentation Report - A template for writing quick USGS reports that document significant floods.

Tri-Agency Fusion Team Links:

• Tri-Agency Fusion Team Public Page
• Tri-Agency Fusion Team Collaboration Site

Additional Flood Resources

• US Army Corps of Engineers Flood Risk Management
• ESRI Current Flood conditions with social media
- provides estimates of peak flows at ungaged locations based on regional regression studies.
• U.S. Drought Portal - National Integrated Drought Information System
• NOAA Quarterly Climate Impacts and Outlook
• Hydraulic and Hydrologic Calculators - From Dr. V. M. Ponce, San Diego State University

For questions related to this site or to contribute content, please email Todd Koenig or Bob Holmes at the USGS Office of Surface Water.

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