Alert archive / Arizona / Wind Advisories in 2017

Wind Advisory 9, NWS Tucson, AZ

May 7, 20175 counties in Arizona

NWS Tucson, AZ issued this wind advisory at May 7, 2017, 2:20 AM MST for 5 counties in Arizona. It took effect at May 7, 2017, 11:00 AM MST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
May 7, 2017, 2:20 AM MST (09:20 UTC)
In effect from
May 7, 2017, 11:00 AM MST
Expired
May 7, 2017, 7:00 PM MST
In force
8 hr
Issued by
NWS Tucson, AZ

Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pima County, AZ, Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 58 km from the middle of the area, began a volume at 09:20 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

Tuscon, AZ (KDMA), launched 00:00Z, 9.3 hours before the alert went out and 59 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.

Skew-T log-pSkew-T log-p diagram, Tuscon, AZ at 00:00Z on 2017-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 00:00Z on 2017-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4270 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

534 
WWUS75 KTWC 070920
NPWTWC

URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
220 AM MST Sun May 7 2017

AZZ508-080200-
/O.NEW.KTWC.DU.Y.0013.170507T1800Z-170508T0200Z/
/O.NEW.KTWC.WI.Y.0009.170507T1800Z-170508T0200Z/
Eastern Cochise County below 5000 feet-
Including the cities of Willcox and Douglas
220 AM MST Sun May 7 2017

...BLOWING DUST ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO
7 PM MST THIS EVENING...
...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MST
THIS EVENING...

The National Weather Service in Tucson has issued a Blowing Dust
Advisory, which is in effect from 11 AM this morning to 7 PM MST
this evening. A Wind Advisory has also been issued. This Wind
Advisory is in effect from 11 AM this morning to 7 PM MST this
evening. 

* IMPACTS...Gusty winds will result in difficult driving
  conditions, especially for high profile vehicles. Locally
  reduced visibilities possible with blowing dust.

* TIMING...Late this morning through early this evening. 

* WINDS...Winds from the southwest between 20 and 30 mph, with
  occasional gusts around 40 mph.

* VISIBILITY...Below 1 mile, briefly near zero possible mainly
  near the Willcox Playa.

* For a detailed view of the hazard area...visit 
  weather.gov/Tucson and click on the Detailed Hazards Icon 

* Current air pollution levels are available from the Pima 
  County Department of Environmental Quality website at 
  www.pima.gov/deq or by calling (520) 724-7446 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blowing Dust Advisory means that blowing dust will restrict
visibilities below one mile in some areas. Travelers are urged to
use caution. If you encounter localized dense blowing dust...
especially near plowed fields or construction sites...do not
drive into it if at all possible.

A Wind Advisory means that sustained winds of 30 mph or greater
are expected in the valleys...or 35 mph or greater above
5000 feet. Higher gusts are also likely. This could make driving
difficult...especially for high profile vehicles. Use extra
caution.

&&

$$

AZZ503-507-510-080200-
/O.NEW.KTWC.WI.Y.0009.170507T1800Z-170508T0200Z/
Upper Santa Cruz River Valley/Altar Valley-
Upper San Pedro River Valley-
White Mountains of Graham and Greenlee Counties-
Including the cities of Nogales and Sierra Vista
220 AM MST Sun May 7 2017

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MST
THIS EVENING...

The National Weather Service in Tucson has issued a Wind
Advisory, which is in effect from 11 AM this morning to 7 PM MST
this evening. 

* IMPACTS...Gusty winds will result in difficult driving
  conditions, especially for high profile vehicles. 

* TIMING...Late this morning through early this evening. 

* WINDS...Winds from the southwest between 20 and 30 mph, with
  occasional gusts around 40 mph.

* For a detailed view of the hazard area...visit 
  weather.gov/Tucson and click on the Detailed Hazards Icon 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or greater
are expected in the valleys...or 35 mph or greater above
5000 feet. Higher gusts are also likely. This could make driving
difficult...especially for high profile vehicles. Use extra
caution.

&&

$$


Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
2 follow-up statements
785 
WWUS75 KTWC 072154
NPWTWC

URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
254 PM MST Sun May 7 2017

AZZ508-080200-
/O.CON.KTWC.DU.Y.0013.000000T0000Z-170508T0200Z/
/O.CON.KTWC.WI.Y.0009.000000T0000Z-170508T0200Z/
Eastern Cochise County below 5000 feet-
Including the cities of Willcox and Douglas
254 PM MST Sun May 7 2017

...BLOWING DUST ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS
EVENING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING...

* IMPACTS...Gusty winds will result in difficult driving 
  conditions, especially for high profile vehicles. Locally 
  reduced visibilities possible with blowing dust. 

* TIMING...Through early this evening.

* WINDS...Winds from the southwest between 20 and 35 mph, with 
  occasional gusts around 40 to 45 mph. 

* VISIBILITY...Below 1 mile, briefly near zero possible mainly
  near the Willcox Playa and portions of I-10 east of Willcox. 

* For a detailed view of the hazard area...visit 
  weather.gov/Tucson and click on the Detailed Hazards Icon 

* Current air pollution levels are available from the Pima 
  County Department of Environmental Quality website at 
  www.pima.gov/deq or by calling (520) 724-7446 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blowing Dust Advisory means that blowing dust will restrict
visibilities below one mile in some areas. Travelers are urged to
use caution. If you encounter localized dense blowing dust...
especially near plowed fields or construction sites...do not
drive into it if at all possible.

A Wind Advisory means that sustained winds of 30 mph or greater
are expected in the valleys...or 35 mph or greater above
5000 feet. Higher gusts are also likely. This could make driving
difficult...especially for high profile vehicles. Use extra
caution.

&&

$$

AZZ503-507-510-080200-
/O.CON.KTWC.WI.Y.0009.000000T0000Z-170508T0200Z/
Upper Santa Cruz River Valley/Altar Valley-
Upper San Pedro River Valley-
White Mountains of Graham and Greenlee Counties-
Including the cities of Nogales and Sierra Vista
254 PM MST Sun May 7 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING...

* IMPACTS...Gusty winds will result in difficult driving 
  conditions, especially for high profile vehicles. 

* TIMING...Late this morning through early this evening.

* WINDS...Winds from the southwest between 25 and 35 mph, with
  occasional gusts around 45 mph. 

* For a detailed view of the hazard area...visit 
  weather.gov/Tucson and click on the Detailed Hazards Icon 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or greater
are expected in the valleys...or 35 mph or greater above
5000 feet. Higher gusts are also likely. This could make driving
difficult...especially for high profile vehicles. Use extra
caution.

&&

$$


Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
434 
WWUS75 KTWC 080208
NPWTWC

URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
708 PM MST Sun May 7 2017

AZZ508-080315-
/O.EXP.KTWC.DU.Y.0013.000000T0000Z-170508T0200Z/
/O.EXP.KTWC.WI.Y.0009.000000T0000Z-170508T0200Z/
Eastern Cochise County below 5000 feet-
Including the cities of Willcox and Douglas
708 PM MST Sun May 7 2017

...BLOWING DUST ADVISORY HAS EXPIRED...
...WIND ADVISORY HAS EXPIRED...

The Blowing Dust advisory has been allowed to expire at 7 PM MST.
There may still be some blowing dust at times from the Willcox 
Playa that may reduce visibilities down to 1 to 3 miles along 
State Highway 186 through 9 PM MST.

Although breezy to locally windy conditions will persist into the
evening before tapering off, the strength of the winds have fallen
below advisory levels. Therefore, the wind advisory has been
allowed to expire at 7 PM MST.

$$

AZZ503-507-510-080315-
/O.EXP.KTWC.WI.Y.0009.000000T0000Z-170508T0200Z/
Upper Santa Cruz River Valley/Altar Valley-
Upper San Pedro River Valley-
White Mountains of Graham and Greenlee Counties-
Including the cities of Nogales and Sierra Vista
708 PM MST Sun May 7 2017

...WIND ADVISORY HAS EXPIRED...

Although breezy to locally windy conditions will persist into the
evening before tapering off, the strength of the winds have fallen
below advisory levels. Therefore, the wind advisory has been
allowed to expire at 7 PM MST.

$$

Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 2:20 AM MSTBlowing Dust AdvisoryTWCCochise17 hr

Nearby

Wind Advisories in Arizona, 2017Every wind advisory in 2017

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.