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Local Data Ingest and Verification of the WsEta at WFO

Miami

Pablo SantosPablo SantosScience Operations Science Operations OfficerOfficer

National Weather ServiceNational Weather ServiceMiami, FLMiami, FL

Outline Local Data Ingest

Florida Automated Weather NetworkFlorida Automated Weather Network RAWSRAWS APRAPR GPS-METGPS-MET USFUSF LAPS AnalysisLAPS Analysis

Workstation EtaWorkstation Eta Temperature Forecasts Preliminary AssesmentTemperature Forecasts Preliminary Assesment Work in progress for WPF and TemperatureWork in progress for WPF and Temperature


http://www.srh.noaa.gov/bro








Florida Automated Weather Network (FAWN)

Courtesy of the University of Florida Institute of Food Courtesy of the University of Florida Institute of Food and Agricultural Science.and Agricultural Science.

Main purpose is Cold Protection.Main purpose is Cold Protection. Consists of 21 Stations.Consists of 21 Stations. Future plans call for extension of the network.Future plans call for extension of the network. Data ingested locally by FL WFOs through LDAD.Data ingested locally by FL WFOs through LDAD. Processing scripts passed on to FSL who added the Processing scripts passed on to FSL who added the

network to their national mesonet database.network to their national mesonet database. Assimilated into their (FSL) locally run high resolution Assimilated into their (FSL) locally run high resolution

models (LAPS, MSAS, RUC20???).models (LAPS, MSAS, RUC20???). Data assigned official IDs and transmitted out in SHEF Data assigned official IDs and transmitted out in SHEF

code via the MIARR1MIA AFOS ID from WFO Miami.code via the MIARR1MIA AFOS ID from WFO Miami. Constitute first non-typical source of data ingested into FL Constitute first non-typical source of data ingested into FL

NWS systems.NWS systems.










Florida Automated Weather Network (FAWN)










Remote Automated Weather Stations (RAWS)

Data Collected by the National Interagency Fire Data Collected by the National Interagency Fire Center (NIFC) in Boise, ID.Center (NIFC) in Boise, ID.

Over 1,500 nationwide.Over 1,500 nationwide. Used by fire agencies to predict fire behavior and Used by fire agencies to predict fire behavior and

monitor fuels.monitor fuels. Data is also part of FSL’s national mesonet Data is also part of FSL’s national mesonet

database.database. Data accessed by FL offices from FSL’s ftp server Data accessed by FL offices from FSL’s ftp server

through LDAD. We provided FSL with FAWN and in through LDAD. We provided FSL with FAWN and in exchange they gave us access to this data.exchange they gave us access to this data.

Around 5 stations in interior portions of South Around 5 stations in interior portions of South Florida where we need it most.Florida where we need it most.










Remote Automated Weather Stations (RAWS)










Automatic Positioning Reporting System Wx Net (APRSWXNET)


Part of the American Radio Relay League.Part of the American Radio Relay League. Group of ham radio operators and other private Group of ham radio operators and other private

citizens volunteering their weather data for citizens volunteering their weather data for education, research, and other interested parties.education, research, and other interested parties.

Data comes from sensors connected to computers Data comes from sensors connected to computers that report the observations to a central server. This that report the observations to a central server. This server makes the data available to FSL every 15 server makes the data available to FSL every 15 minutes.minutes.

Part of FSL mesonet database.Part of FSL mesonet database. FL WFOs ftp the data from FSLs through their LDAD.FL WFOs ftp the data from FSLs through their LDAD. 25-30 stations constantly report across FL (mostly 25-30 stations constantly report across FL (mostly

SE Coast and along the I-4 corridor in Central FL).SE Coast and along the I-4 corridor in Central FL).









Ground Based GPS Meteorology Demonstration Network (GPS-MET)


Network of ground based water vapor sensors using Network of ground based water vapor sensors using GPS receivers.GPS receivers.

Method uses dual-frequency receivers and surface Method uses dual-frequency receivers and surface meteorological sensors to measure excess GPS meteorological sensors to measure excess GPS signal delays caused by water vapor in the signal delays caused by water vapor in the atmosphere.atmosphere.

Key parameter - IPW - integrated (total column) Key parameter - IPW - integrated (total column) precipitable water vapor directly above a fixed site.precipitable water vapor directly above a fixed site.

Part of FSL’s national mesonet database.Part of FSL’s national mesonet database. FL WFOs ftp the data from FSLs through their LDAD.FL WFOs ftp the data from FSLs through their LDAD. 5 stations across FL right now.5 stations across FL right now. IPW - key parameter to monitor threat of flash floods. IPW - key parameter to monitor threat of flash floods.









Ground Based GPS Meteorology Demonstration Network (GPS-MET)










Coastal Ocean Monitoring and Prediction System (COMPS)


University of South Florida College of Marine University of South Florida College of Marine Science.Science.

Currently 6 stations. Two more planned. CMAN Currently 6 stations. Two more planned. CMAN type reports with Wind, Air Temp, Water Temp, type reports with Wind, Air Temp, Water Temp, Pressure, Salinity.Pressure, Salinity.

Wrote ingest scripts and shared them with FL Wrote ingest scripts and shared them with FL WFOs. Sent to FSL for their review and possible WFOs. Sent to FSL for their review and possible addition to their National Mesonet Dataset. addition to their National Mesonet Dataset.









Quality Control


Since Build 5.0 we have available to us a Since Build 5.0 we have available to us a blacklist that enables us to specify stations and blacklist that enables us to specify stations and parameters to ignore for the analysis yet the parameters to ignore for the analysis yet the data is still ingested and plotted.data is still ingested and plotted.

QC Software - Kalman Filter - turned off due to QC Software - Kalman Filter - turned off due to the limitations of AWIPS hardware at the the limitations of AWIPS hardware at the present time. present time.






LAPS AND MSAS AnalysisLAPS - Local Analysis and Prediction SystemMSAS - MAPS Surface Assimilation System










Workstation Eta (Overview) Advent of cheaper and faster computers have enabled us to Advent of cheaper and faster computers have enabled us to

run high resolution models at the local offices.run high resolution models at the local offices. Even 12 Km NCEP Eta we do not see at the local offices due Even 12 Km NCEP Eta we do not see at the local offices due

to bandwidth limitations of the SBN.to bandwidth limitations of the SBN. Workstation Eta is version of NCEPS Eta model ran locally at Workstation Eta is version of NCEPS Eta model ran locally at

Weather Forecast Offices across the nation.Weather Forecast Offices across the nation. At WFO Miami, we run it in a 10 Km grid, Non-Hyd with 34 At WFO Miami, we run it in a 10 Km grid, Non-Hyd with 34

vertical levels. We initialize off the 06Z data with 00HR vertical levels. We initialize off the 06Z data with 00HR forecast starting at 12Z and out to 24 hours and off the 18Z forecast starting at 12Z and out to 24 hours and off the 18Z data with the 00HR forecast starting at 00Z and out to 24 data with the 00HR forecast starting at 00Z and out to 24 hours.hours.

This enables model output to be available early enough for This enables model output to be available early enough for day and evening shifts.day and evening shifts.

Being running it since Sept., 2000. Ingested into AWIPS.Being running it since Sept., 2000. Ingested into AWIPS.

Workstation Eta (Domain)


Workstation Eta (Verification) Based on the experience we got late in the wet season of Based on the experience we got late in the wet season of

2000 and last winter, it was apparent that model would be 2000 and last winter, it was apparent that model would be most useful as guidance/tool to help forecast short term most useful as guidance/tool to help forecast short term convective initiation in the summer and also MinT in the convective initiation in the summer and also MinT in the the winter.the winter.

So starting in May 1, 2001, we have been archiving the So starting in May 1, 2001, we have been archiving the runs for a verification study of QPF forecasts through the runs for a verification study of QPF forecasts through the wet season and T forecast during the winter season.wet season and T forecast during the winter season.

For the QPF forecast, METAR, local data, as well as rain For the QPF forecast, METAR, local data, as well as rain gauge data from the South Florida Water Management gauge data from the South Florida Water Management District (SFWMD) and the USGS are being processed for the District (SFWMD) and the USGS are being processed for the verification analysis.verification analysis.

KF and BMJ convective parameterization will be used.KF and BMJ convective parameterization will be used. The same is being done with Temperatures.The same is being done with Temperatures.

Workstation Eta (Verification)

Workstation Eta (Verification) Preliminary observation from processing data for Preliminary observation from processing data for

QPF Verification: Model does not handle well QPF Verification: Model does not handle well situations well low levels are saturated in the situations well low levels are saturated in the morning sounding and precipitable waters values morning sounding and precipitable waters values are very high (2.4 inches and above). This are very high (2.4 inches and above). This apparently results in high amounts of heating at low apparently results in high amounts of heating at low levels as convective paramerization scheme levels as convective paramerization scheme becomes active resulting in strong meso-lows becomes active resulting in strong meso-lows developing at the surface.developing at the surface.

Tempertures: during last winter model did exceeding Tempertures: during last winter model did exceeding well helping us forecast MinT. This year, it has had a well helping us forecast MinT. This year, it has had a sustained warm bias in the 2m surface temperature. sustained warm bias in the 2m surface temperature.

Workstation Eta Winter 2002 Preliminary Biases

(Based on Comparison of Local and Metar data with interpolated point fcsts from the model grid)

00HR ANALYSIS 12HR Fcst 24HR 00HR ANALYSIS 12HR Fcst 24HR FcstFcst

12Z RUNS:12Z RUNS: 5.2 5.2 1.8 1.8 4.1 4.1

00Z RUNS: 00Z RUNS: 7.4 7.4 2.9 2.9 1.1 1.1

24 Hr MinT Forecast Valid Jan 11, 2001 24 Hr MinT Forecast Valid Jan 11, 2001 12Z12Z

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Observed Lows Across the Area MIA 42 FLL 41 PBI 36 HST 36 Tamiami 35 Pombroke Pines 39 Key Biscayne 42 Pompano Beach 40 Big Cypress 32 Opa Locka 41 Hollywood 38

Preliminary results of verification to be presented at next AMS Meeting in AWIPS Sympsium.

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University of South Florida College of Marine University of South Florida College of Marine Science.Science.

Currently 6 stations. Two more planned. CMAN Currently 6 stations. Two more planned. CMAN type reports with Wind, Air Temp, Water Temp, type reports with Wind, Air Temp, Water Temp, Pressure, Salinity.Pressure, Salinity.

Wrote ingest scripts and shared them with FL Wrote ingest scripts and shared them with FL WFOs. Sent to FSL for their review and possible WFOs. Sent to FSL for their review and possible addition to their National Mesonet Dataset. addition to their National Mesonet Dataset.









Go to: // FOR MORE INFO... Local Data Ingest and Verification of the WsEta at WFO Miami Pablo...

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