Alert archive / Arizona / Special Weather Statements in 2016

Special Weather Statement, NWS Phoenix, AZ

August 3, 2016Pinal County, Arizona

NWS Phoenix, AZ issued this special weather statement at Aug 3, 2016, 4:21 PM MST for Pinal County, Arizona. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 3, 2016, 4:21 PM MST (23:21 UTC)
Expired: Aug 3, 2016, 4:45 PM MST
In force: 24 min
Issued by: NWS Phoenix, AZ

County Pinal County, AZ

The radar

The Phoenix radar (KIWA), 47 km from the middle of the area, began a volume at 23:20 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

Phoenix, AZ (KPSR), launched 12:00Z, 11.4 hours before the alert went out and 78 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: 1186 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 1192 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

806 
WWUS85 KPSR 032321
SPSPSR

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
421 PM MST WED AUG 3 2016
 
AZZ024-028-032345-
NORTHWEST AND NORTH CENTRAL PINAL COUNTY AZ-
SOUTHERN GILA/TONTO NF FOOTHILLS AZ-
421 PM MST WED AUG 3 2016

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  PINAL COUNTY 

UNTIL 445 PM MST

AT 420 PM MST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR QUEEN VALLEY...OR 8 MILES WEST OF SUPERIOR...MOVING SOUTHEAST
AT 12 MPH.

WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SUPERIOR...QUEEN VALLEY...BOYCE THOMPSON ARBORETUM AND FLORENCE
JUNCTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LOCALLY DENSE BLOWING DUST IS POSSIBLE.  IF YOU ENCOUNTER BLOWING
DUST WHILE DRIVING...PULL OVER AS FAR OFF THE ROADWAY AS POSSIBLE AND
PARK. TURN OFF YOUR HEADLIGHTS AND KEEP YOUR FOOT OFF THE BRAKE.

&&

LAT...LON 3310 11115 3309 11117 3309 11118 3325 11135
      3339 11127 3339 11112 3329 11100
TIME...MOT...LOC 2320Z 297DEG 19KT 3327 11125 

$$

SAWTELLE

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 5:12 PM MST	Areal Flood Warning	PSR	Maricopa	3 hr
Aug 2, 5:15 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	30 min
Aug 2, 5:46 PM MST	Areal Flood Advisory	PSR	Maricopa	3 hr
Aug 2, 5:52 PM MST	Special Weather Statement	PSR		53 min
Aug 2, 6:26 PM MST	Areal Flood Advisory	PSR	Maricopa, Pinal	3 hr
Aug 2, 6:56 PM MST	Special Weather Statement	PSR	Pinal	49 min
Aug 2, 7:50 PM MST	Areal Flood Advisory	PSR	Maricopa, Pinal	3 hr
Aug 2, 8:15 PM MST	Areal Flood Warning	PSR	Maricopa	3 hr
Aug 2, 8:15 PM MST	Areal Flood Warning	PSR	Maricopa	3 hr
Aug 3, 8:48 AM MST	Flash Flood Watch	PSR		12 hr
Aug 3, 1:59 PM MST	Areal Flood Advisory	PSR	Maricopa	3 hr
Aug 3, 2:20 PM MST	Special Weather Statement	PSR		55 min
Aug 3, 2:26 PM MST	Areal Flood Advisory	PSR	Gila, Maricopa, Pinal	3 hr
Aug 3, 3:09 PM MST	Special Weather Statement	PSR	Pinal	51 min
Aug 3, 3:14 PM MST	Special Weather Statement	PSR		46 min
Aug 3, 3:33 PM MST	Special Weather Statement	PSR	Pinal	42 min
Aug 3, 3:38 PM MST	Special Weather Statement	PSR	Gila	52 min
Aug 3, 3:49 PM MST	Special Weather Statement	PSR		41 min
Aug 3, 4:01 PM MST	Special Weather Statement	PSR	Pinal	44 min
Aug 3, 4:08 PM MST	Special Weather Statement	PSR	Pinal	37 min
Aug 3, 4:13 PM MST	Special Weather Statement	PSR	Gila	32 min
Aug 3, 4:44 PM MST	Areal Flood Advisory	PSR	Gila	3 hr
Aug 3, 4:51 PM MST	Special Weather Statement	PSR	Pinal	39 min

Nearby

Special Weather Statements in Arizona, 2016 Every special weather statement 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.