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Southwest Aviation Weather Safety Workshop

David Runyan Warning Coordination Meteorologist. Southwest Aviation Weather Safety Workshop. Aviationweather.gov. Aviationweather.gov. ASOS – Automated Surface Observations System. AWOS III – Automated Weather Observation System.

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Southwest Aviation Weather Safety Workshop

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  1. David Runyan Warning Coordination Meteorologist Southwest Aviation Weather Safety Workshop

  2. Aviationweather.gov

  3. Aviationweather.gov

  4. ASOS – Automated Surface Observations System AWOS III – Automated Weather Observation System METAR KDVT 181653Z 00000KT 10SM CLR 17/04 A3027 RMK AO2 SLP237 T01720044 METAR KSDL 181053Z AUTO 00000KT 10SM CLR 11/03 A3019 RMK AO2 SLP208 T01060028

  5. Warning and Forecast Operations • 24 Hour Ops • 2 Meteorologists and 1 data technician • Tornado, Severe Thunderstorm and Flash Flood Watches • Public Forecasts • Aviation Forecasts • Fire Weather • Severe Weather and Hydrological Warnings

  6. PHX Web page WEATHER.GOV Current Advisories Watches & Warnings Current Satellite and Radar

  7. WEATHER RADAR • ON LINE TUTORIAL • 6 TO 15 MINUTES OLD • GO TO ANY NWS RADAR!

  8. WARNING AZC013-040230- BULLETIN – EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 646 PM MST SUN MAY 2 2005 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR… CENTRAL MARICOPA COUNTY IN SOUTH CENTRAL ARIZONA * UNTIL 730 PM MST * AT 642 PM MST…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER PERRYVILLE…OR ABOUT 7 MILES NORTHWEST OF GOODYEAR…MOVING NORTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR… LUKE AFB AT 700 PM MST WADDELL AT 705 PM MST

  9. METAR and TAFS • ASOS METAR Observations • 061755Z AUTO 22015G25KT 3/4SM +TSRA OVC004 18/16 A2994 RMK SLP013 T01760158 • TAF • 061818 22015G25KT P6SM SCT080 BKN140CB BKN250 TEMPO 1824 VRB35G50KT ½ +TSRAGR BLDU SCT010 OVC080CB 5 10 VCTS

  10. Flying Weather Basics

  11. Life Cycle Cumulus Stage Mature Stage

  12. High Based Thunderstorms Funnel Cloud Descends

  13. Probability Of Occurrence Winter Spring Summer Fall Winter Months Arizona Tornadoes Weak Pulse Light Monsoon Easterly Winds Aloft High Strong Supercell High Winds Aloft Strong Supercell High Winds Aloft Low

  14. Funnel Cloud

  15. Funnel Cloud

  16. Downburst Macroburst > 2.5 mi. Microburst < 2.5 mi. Visual Clue Wispy Virga “Foot” of highest Winds

  17. July 14th 800 pm – 900 pm Sky Harbor Airport Microburst Damage Ground Zero north of center north runway, at the Honeywell Bldg. Estimated winds 100 mph.

  18. Looking east on Airlane Rd, north of Honeywell Bldg.

  19. Power poles snapped 10 to 20 ft above road on Airlane Rd

  20. West side of Airport, by Post Office just south of West Economy Parking Lot.

  21. Empty Cargo Containers Fiberglass 150-250 lbsAluminum 300-500 lbs

  22. Aircraft Damage – Kitty Hawk Mail Plane

  23. Aircraft Tug Damage

  24. Probability Of Occurrence Winter Spring Summer Fall Winter Months Arizona Downbursts Pulse Light Monsoon Easterly Winds Aloft High Low

  25. Downburst Microburst < 2.5 Macroburst > 2.5 Wet or Dry

  26. Mountain Waves

  27. Mountain Wave: a stationary atmospheric wave pattern caused by high winds in a stable airmass crossing a mountain barrier

  28. Diurnal Winds

  29. Monsoon Behavior • Mexican or Southwest Monsoon

  30. Monsoon Behavior

  31. David Runyan Warning Coordination Meteorologist National Weather Service Phoenix Weather Forecast Office

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