Southwest Aviation Weather Safety Workshop David Runyan Warning Coordination Meteorologist.

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Presentation transcript:

Southwest Aviation Weather Safety Workshop David Runyan Warning Coordination Meteorologist

Aviationweather.gov

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

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

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

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

WARNING AZC BULLETIN – EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 646 PM MST SUN MAY 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

METAR and TAFS ASOS METAR Observations –061755Z AUTO 22015G25KT 3/4SM +TSRA OVC004 18/16 A2994 RMK SLP013 T TAF – G25KT P6SM SCT080 BKN140CB BKN250 TEMPO 1824 VRB35G50KT ½ +TSRAGR BLDU SCT010 OVC080CB VCTS 510

Flying Weather Basics

Life Cycle Cumulus Stage Mature Stage

High Based Thunderstorms Funnel Cloud Descends

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

Funnel Cloud

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

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

Looking east on Airlane Rd, north of Honeywell Bldg.

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

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

Empty Cargo Containers Fiberglass lbs Aluminum lbs

Building Metal Beams (2x6 in.) Damage Suspect Cargo carrier bounced off of this roof, and across to west economy parking lot.

Aircraft Damage – Kitty Hawk Mail Plane

Aircraft Tug Damage

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

Downburst Microburst 2.5 Wet or Dry

Mountain Waves

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

Diurnal Winds

Monsoon Behavior Mexican or Southwest Monsoon

Monsoon Behavior

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