Alert archive / Arizona / Special Weather Statements in 2016

Special Weather Statement, NWS Phoenix, AZ

August 2, 2016

NWS Phoenix, AZ issued this special weather statement at Aug 2, 2016, 5:52 PM MST. It was in force for 53 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 2, 2016, 5:52 PM MST (00:52 UTC)
Expired
Aug 2, 2016, 6:45 PM MST
In force
53 min
Issued by
NWS Phoenix, AZ

The radar

The Phoenix radar (KIWA), 28 km from the middle of the area, began a volume at 00:55 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, 0.9 hours before the alert went out and 171 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 2016-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 282 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 00:00Z on 2016-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.1939Sfc1 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
282 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1160 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

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

NWS Phoenix, AZ wrote its last area forecast discussion before this special weather statement went out at Aug 2, 5:17 PM MST, 35 minutes earlier.

Area forecast discussion, Aug 2, 5:17 PM MST, 35 minutes before
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In the hours before

Local storm report, Aug 2, 4:58 PM MST, 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
458 PM MST TUE AUG 2 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0446 PM     HEAVY RAIN       5 S NEW RIVER           33.85N 112.14W
08/02/2016  M1.00 INCH       MARICOPA           AZ   TRAINED SPOTTER

            . THE DURATION OF THE HEAVY RAIN EVENT WAS 1
            HOUR.

&&

NWS PHOENIX AZ
IRIS SYSTEM
Special weather statement, Aug 2, 4:58 PM MST, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
458 PM MST TUE AUG 2 2016

AZZ023-030045-
GREATER PHOENIX AREA AZ-
458 PM MST TUE AUG 2 2016

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  MARICOPA COUNTY

UNTIL 545 PM MST

AT 458 PM MST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
GLENDALE. THIS STORM WAS NEARLY STATIONARY.

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

LOCATIONS IMPACTED INCLUDE...
PHOENIX...GLENDALE...TEMPE...AVONDALE...GOODYEAR...EL MIRAGE...
PARADISE VALLEY...TOLLESON...YOUNGTOWN...CASHION...SUN CITY...
LAVEEN...LITCHFIELD PARK...DOWNTOWN GLENDALE...SKY HARBOR AIRPORT...
GLENDALE SPORTS COMPLEX...DOWNTOWN PHOENIX...SOUTH PHOENIX...
CAMELBACK RANCH AND METRO CENTER.

LAT...LON 3338 11195 3339 11239 3363 11232 3361 11200
TIME...MOT...LOC 2358Z 188DEG 0KT 3351 11219

SAWTELLE
Local storm report, Aug 2, 5:30 PM MST, 22 minutes before
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Local storm report, Aug 2, 5:39 PM MST, 13 minutes before
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Local storm report, Aug 2, 5:41 PM MST, 11 minutes before
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Special weather statement, Aug 2, 5:52 PM MST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 5:12 PM MSTAreal Flood WarningPSRMaricopa3 hr
Aug 2, 5:15 PM MSTSevere Thunderstorm WarningPSRMaricopa30 min
Aug 2, 5:46 PM MSTAreal Flood AdvisoryPSRMaricopa3 hr
Aug 2, 6:26 PM MSTAreal Flood AdvisoryPSRMaricopa, Pinal3 hr
Aug 2, 6:56 PM MSTSpecial Weather StatementPSRPinal49 min
Aug 2, 7:50 PM MSTAreal Flood AdvisoryPSRMaricopa, Pinal3 hr
Aug 2, 8:15 PM MSTAreal Flood WarningPSRMaricopa3 hr
Aug 2, 8:15 PM MSTAreal Flood WarningPSRMaricopa3 hr
Aug 3, 8:48 AM MSTFlash Flood WatchPSR12 hr
Aug 3, 1:59 PM MSTAreal Flood AdvisoryPSRMaricopa3 hr
Aug 3, 2:20 PM MSTSpecial Weather StatementPSR55 min
Aug 3, 2:26 PM MSTAreal Flood AdvisoryPSRGila, Maricopa, Pinal3 hr
Aug 3, 3:09 PM MSTSpecial Weather StatementPSRPinal51 min
Aug 3, 3:14 PM MSTSpecial Weather StatementPSR46 min
Aug 3, 3:33 PM MSTSpecial Weather StatementPSRPinal42 min
Aug 3, 3:38 PM MSTSpecial Weather StatementPSRGila52 min
Aug 3, 3:49 PM MSTSpecial Weather StatementPSR41 min
Aug 3, 4:01 PM MSTSpecial Weather StatementPSRPinal44 min
Aug 3, 4:08 PM MSTSpecial Weather StatementPSRPinal37 min
Aug 3, 4:13 PM MSTSpecial Weather StatementPSRGila32 min
Aug 3, 4:21 PM MSTSpecial Weather StatementPSRPinal24 min
Aug 3, 4:44 PM MSTAreal Flood AdvisoryPSRGila3 hr
Aug 3, 4:51 PM MSTSpecial Weather StatementPSRPinal39 min

Nearby

Special Weather Statements in Arizona, 2016Every 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.