reggina cabrera noaa/national weather service eastern region
DESCRIPTION
Flash Flood Monitoring and Prediction (FFMP) Flash Flood Monitoring and Prediction-Advanced (FFMPA). Reggina Cabrera NOAA/National Weather Service Eastern Region. Johnson City - Picture from Pressconne cts.com. Tools. FFPI FFMPA . FFMP. - PowerPoint PPT PresentationTRANSCRIPT
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Flash Flood Monitoring and Prediction (FFMP)
Flash Flood Monitoring and Prediction-Advanced (FFMPA)
Reggina CabreraNOAA/National Weather ServiceEastern Region
Johnson City - Picture from Pressconnects.com
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Tools
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FFPI FFMP DHM-TF
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FFPI FFMPA
FFPI
• Shows you areas that you should be concerned, where flash flooding could occur. It is static
FFMPA
• Monitors areas where current/future rainfall might prompt a warning. It is dynamic
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FFMP• Flash Flood Monitoring and Prediction (FFMP) is a
Decision Assistance tool specifically designed to help forecasters monitor and evaluate the flash flood threat and decide whether or not to issue flash flood warnings
• It does this by using radar data to calculate precipitation accumulation in hydrologic water basins over various time periods and compare to the suggested Flash Flood Guidance (FFG), provided by River Forecast Centers (RFCs).
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Flash Flood Monitoring and Prediction tool used by National Weather Service forecasters to track the precipitation rates and accumulations in small basins (typically 5 to 25 square kilometers) as compared to flash flood guidance. Information is updated every 4.5 to 6 minutes. The stream name and county can also be displayed so more specific information can be included in flash flood warning messages.
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Data Requirements
– Radar: DHR product for each applicable radar
– Basin shapefile for each applicable radar
– Radar Bin shapefile for each applicable radar
– Flash Flood Guidance (FFG) issued by the RFCs.
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Basins
2-20 mi2
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Basic Components
ProcessorCreates input data
DisplayDisplays data as an image (map)Displays data in a tableDisplays data in a time trend
Flash Flood Threat Indicator (FFTI)The Monitor
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ProcessorIngestsLocalizationRadar data Flash Flood Guidance (FFG)
Writes output for each radar volume scan:
/data/fxa/radar/@@@@/ffmp/yyyymmdd_hhmm* /data/fxa/radar/@@@@/ffmp/accumulation*
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Display
• Image: displays Counties or Basins
• Basin Table: GUI presenting data in tabular form
• Basin Trend: launched form Basin Table or D2D Image (if made active)
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Set of Displays
Basin Trend Graph D2D Image
Basin Table
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County Precipitation Accumulation Display
Images from aWFO-createdPresentation
Left Click onCounty NameTo zoom in
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Basin Precipitation Accumulation Display
• Only displays those basins within the county area selected.
FFMP 1.0 Hour Basin Avg Precip
Left Click to Zoom out.
Right Click to display the Basin Trend.
Left Click toZoom in
more.
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Basin Trend Graph
Where the accumulation is above the FFG there is a threat of flash flooding
Instantaneous Rate Accumulation
Flash Flood Guidance
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Flash Flood Threat Indicator (FFTI).
Provides GUI to define settings.
Note: FFG Expiration definition is here.
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FFMPA: Display
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28th September, 2011
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Highlights/Strengths: Split Window– Combine QPE with QPF,
then compare to guidance– Brings much more of a
predictive quality to FFMP