Alert archive / Arizona / Wind Advisories in 2018
Wind Advisory 13, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this wind advisory at Mar 18, 2018, 2:45 AM MST for Apache County, Coconino County, Navajo County, Arizona. It took effect at Mar 18, 2018, 8:00 AM MST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Mar 18, 2018, 2:45 AM MST (09:45 UTC)
- In effect from
- Mar 18, 2018, 8:00 AM MST
- Expired
- Mar 18, 2018, 5:00 PM MST
- In force
- 9 hr
- Issued by
- NWS Flagstaff, AZ
Counties Apache County, AZ, Coconino County, AZ, Navajo County, AZ
The radar
The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 09:48 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 9.8 hours before the alert went out and 121 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1526 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
518 WWUS75 KFGZ 180945 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 245 AM MST Sun Mar 18 2018 AZZ011-013-014-017-040-190000- /O.NEW.KFGZ.WI.Y.0013.180318T1500Z-180319T0000Z/ Chuska Mountains and Defiance Plateau- Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County-White Mountains- Northeast Plateaus and Mesas South of Hwy 264- Including the cities of Window Rock, Ganado, Winslow, Holbrook, Snowflake, St. Johns, Springerville, Show Low, Greer, Pinetop, Dilkon, and Kykotsmovi 245 AM MST Sun Mar 18 2018 ...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... The National Weather Service in Flagstaff has issued a Wind Advisory, which is in effect from 8 AM this morning to 5 PM MST this afternoon. * TIMING...Winds will increase through the morning and then gradually subside by late afternoon. * WINDS...West 20 to 30 mph with gusts 40 to 45 mph. * IMPACTS...Winds this strong can make driving difficult... especially for high profile vehicles. Winds will combine with snow showers in some areas to decrease visibility, especially during the morning hours. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 to 39 mph...or gusts from 40 to 57 mph...are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Consider securing loose belongings on your property. Additional weather information is on the web at www.weather.gov/flagstaff. && $$
2 follow-up statements
807 WWUS75 KFGZ 182018 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 118 PM MST Sun Mar 18 2018 AZZ011-013-014-017-040-190000- /O.CON.KFGZ.WI.Y.0013.000000T0000Z-180319T0000Z/ Chuska Mountains and Defiance Plateau- Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County-White Mountains- Northeast Plateaus and Mesas South of Hwy 264- Including the cities of Window Rock, Ganado, Winslow, Holbrook, Snowflake, St. Johns, Springerville, Show Low, Greer, Pinetop, Dilkon, and Kykotsmovi 118 PM MST Sun Mar 18 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * TIMING...Gusty winds will continue today, before gradually subsiding by late this afternoon. * WINDS...West 20 to 30 mph with gusts 40 to 45 mph. * IMPACTS...Winds this strong can make driving difficult... especially for high profile vehicles. Winds will combine with snow showers in some areas to decrease visibility, especially during the morning hours. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 30 to 39 mph...or gusts from 40 to 57 mph...are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Consider securing loose belongings on your property. Additional weather information is on the web at www.weather.gov/flagstaff. && $$
688 WWUS75 KFGZ 182356 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 456 PM MST Sun Mar 18 2018 AZZ011-013-014-017-040-190100- /O.EXP.KFGZ.WI.Y.0013.000000T0000Z-180319T0000Z/ Chuska Mountains and Defiance Plateau- Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County-White Mountains- Northeast Plateaus and Mesas South of Hwy 264- Including the cities of Window Rock, Ganado, Winslow, Holbrook, Snowflake, St. Johns, Springerville, Show Low, Greer, Pinetop, Dilkon, and Kykotsmovi 456 PM MST Sun Mar 18 2018 ...WIND ADVISORY WILL EXPIRE AT 5 PM MST THIS AFTERNOON... Westerly wind speeds have decreased below advisory criteria and todays wind advisory will expire at 5 PM. $$
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.