Alert archive / Arizona / Blowing Dust Advisories in 2016

Blowing Dust Advisory 20, NWS Tucson, AZ

July 31, 2016Pima County, Pinal County, Arizona

NWS Tucson, AZ issued this blowing dust advisory at Jul 31, 2016, 11:12 PM MST for Pima County, Pinal County, Arizona. It was in force for 108 min.

The area

The counties it named.

The facts

Issued: Jul 31, 2016, 11:12 PM MST (06:12 UTC)
Expired: Aug 1, 2016, 1:00 AM MST
In force: 108 min
Issued by: NWS Tucson, AZ

Counties Pima County, AZ, Pinal County, AZ

The radar

The Phoenix radar (KIWA), 88 km from the middle of the area, began a volume at 06:13 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, 6.2 hours before the alert went out and 73 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 688 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 2117 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this blowing dust advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tucson, AZ wrote its last area forecast discussion before this blowing dust advisory went out at Jul 31, 9:15 PM MST, 1 hour 57 minutes earlier.

Area forecast discussion, Jul 31, 9:15 PM MST, 1 hour 57 minutes before

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In the hours before

Special weather statement, Jul 31, 6:09 PM MST, 5 hours 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
609 PM MST SUN JUL 31 2016

AZZ507-508-512-513-010200-
EASTERN COCHISE COUNTY BELOW 5000 FEET INCLUDING
DOUGLAS/WILLCOX-DRAGOON/MULE/HUACHUCA AND SANTA RITA MOUNTAINS
INCLUDING BISBEE/CANELO HILLS/MADERA CANYON-UPPER SAN PEDRO RIVER
VALLEY INCLUDING SIERRA VISTA/BENSON-CHIRICAHUA MOUNTAINS INCLUDING
CHIRICAHUA NATIONAL MONUMENT-
609 PM MST SUN JUL 31 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN COCHISE COUNTY UNTIL
700 PM MST...

AT 608 PM MST...DOPPLER RADAR WAS TRACKING A CLUSTER OF STRONG
THUNDERSTORMS IN THE DOUGLAS AREA MOVING WEST AT 10 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
DOUGLAS...BISBEE...BISBEE-DOUGLAS AIRPORT...PIRTLEVILLE...JUNCTION OF
HIGHWAYS 80 AND 90...MCNEAL AND NACO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3165 10925 3134 10910 3134 11002 3168 11010
TIME...MOT...LOC 0108Z 086DEG 7KT 3146 10954

MOLLERE

Local storm report, Jul 31, 10:21 PM MST, 51 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 5:34 PM MST	Areal Flood Advisory	TWC	Cochise, Pima, Santa Cruz	116 min
Jul 31, 5:36 PM MST	Severe Thunderstorm Warning	TWC	Cochise	39 min
Jul 31, 6:09 PM MST	Special Weather Statement	TWC	Cochise	51 min
Jul 31, 6:12 PM MST	Severe Thunderstorm Warning	TWC	Cochise	48 min
Jul 31, 6:41 PM MST	Flash Flood Warning	TWC	Cochise	109 min
Jul 31, 6:48 PM MST	Flash Flood Warning	TWC	Cochise	117 min
Jul 31, 7:55 PM MST	Areal Flood Advisory	TWC	Cochise, Graham, Pima, Santa Cruz	110 min
Jul 31, 8:10 PM MST	Flash Flood Warning	TWC	Cochise	110 min
Jul 31, 8:37 PM MST	Areal Flood Advisory	TWC	Pima	3 hr
Jul 31, 9:06 PM MST	Flash Flood Warning	TWC	Pima	114 min
Jul 31, 10:17 PM MST	Flash Flood Warning	TWC	Pima	3 hr
Jul 31, 10:42 PM MST	Areal Flood Advisory	TWC	Pima, Pinal	6 hr
Aug 1, 2:35 PM MST	Areal Flood Advisory	TWC	Santa Cruz	55 min
Aug 1, 3:33 PM MST	Areal Flood Advisory	TWC	Cochise	57 min
Aug 1, 4:21 PM MST	Areal Flood Advisory	TWC	Pima, Pinal	54 min
Aug 1, 4:47 PM MST	Flash Flood Warning	TWC	Pima, Pinal	88 min

Nearby

Blowing Dust Advisories in Arizona, 2016 Every blowing dust advisory in 2016

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.