GOES IMAGERY APPLICATIONS at the AVIATION WEATHER CENTER Steverino Silberberg NOAA/NWS/NCEP/Aviation...
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GOES IMAGERY APPLICATIONSat the
AVIATION WEATHER CENTER
Steverino SilberbergNOAA/NWS/NCEP/Aviation Weather Center
Kansas City, MOJanuary 24, 2008
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AWC ProductsServe the Nation and the
WorldMonthly number of forecaster issued products by NCEP Service Centers
MONTHLY Total = 25,380
CPC, 650, 3%HPC, 5100, 20%
OPC, 4590, 18%
SPC, 1380, 5%
SWPC, 400, 2%
TPC, 3360, 13%
AWC, 9900, 39%
AWC
CPC
HPC
OPC
SPC
SWPC
TPC
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AWC’s Aviation Weather Phenomena
Clouds/Ceiling (1000, 3000 ft AGL)
Visibility (3, 5 st mi) Mountain obscuration Turbulence/Mountain
wave Low-level wind ≥ 30 kt Low-level vector wind
shear in lowest 2000 ft AGL
Icing Freezing level height Multiple freezing levels
(inversions > 0°C) Convection (prob,
coverage) Jet streams Tropopause height Precipitation, type,
coverage
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AWC Domestic Products Area Forecasts (FA) non-IFR clouds, cig/vis,
precip/type, wind (SFC – 450), 3/day AIRMETS Sierra, Tango, Zulu (SFC – 450),
4/day SIGMETS: vis, icing, turb, volc ash (SFC – 450) Convective SIGMETS: hourly Low-Level Graphic: C&V, turb, frzg level (SFC
– 240) 4/day CCFP: 2,4,6 h fcst, 10/day, Mar-Oct Short term 024 h
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AWC International Products
Gulf of Mexico Area Forecast: non-IFR clouds, cig/vis, precip/type, wind (SFC – 450), 3/day Oil Rigs: 30,000 people, 600 helicopters, 3500
flights/day, 10,000 passengers/day Caribbean Area Forecast: non-IFR clouds,
cig/vis, precip/type, wind (SFC – 240), 4/day Int’l SIGMETS: cb, turb, VA, icg (SFC – 450) Global High-Level SigWx: jets, turb, cb, trop,
volcanoes, radioactivity (250 – 630), 4/day N. Atlantic Mid-Level Graphic: jets, turb, cb,
trop, icing, volcanoes, radioactivity (100 – 450), 4/day
Short term 024 h
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AWC Satellite Data
AWC McIDAS ingests GOES E-W (AWC ground station) ingests Meteosat, MTSAT, POES, GINI from
NESDIS McIDAS & AWIPS Vis, IR (12, 11, 3.9 m), WV
Fred Mosher’s McIDAS macros Low cloud detection over snow during
daytime VIS/FOG Global Mosaics (vis/fog, IR, WV, GCD)
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AWC Satellite Data
NESDIS GOES Sounder Derived Products Volcanic Ash Smoke Precipitation estimates & Risk Precipitable water QuikSCAT
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AWC Satellite Imagery 24x7x366 METWATCH
current weather (METARS, PIREPS, LTG) AWC forecasts Cloud feature diagnosis vs PIREPS Forecast production
Low Cloud Detection Day: T(11–3.9 m) 0 – 70 T stretched into 0–255 counts Divided by cos(solar zen ang)
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AWC Satellite Imagery
VIS/FOG VIS brightness normalized cos(solar
zen ang) Night/Fog image when solar zen ang 3
deg above horizon Night/Fog: T(11–3.9 m) –8 to +6° stretched into 0–255 counts
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AWC Satellite Imagery Volcanic Ash Detection
12–11 m –8 to +10° stretched into 0–255 counts High dry volcanic ash
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AWC Satellite Imagery Global Mosaics
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Summary GOES Imagery Critical to AWC Operations Fred Mosher’s McIDAS Macros scientific
advancement of aviation meteorology and aviation safety
Low Cloud Detection VIS/FOG Volcanic Ash Global mosaics
NESDIS GOES Sounder Derived Products Volcanic Ash Smoke Precipitation estimates & Risk Precipitable water QuikSCAT