Alert archive / Arizona / Special Weather Statements in 2016

Special Weather Statement, NWS Phoenix, AZ

August 10, 2016Maricopa County, Arizona

NWS Phoenix, AZ issued this special weather statement at Aug 10, 2016, 9:13 PM MST for Maricopa County, Arizona. It was in force for 32 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 10, 2016, 9:13 PM MST (04:13 UTC)
Expired: Aug 10, 2016, 9:45 PM MST
In force: 32 min
Issued by: NWS Phoenix, AZ

County Maricopa County, AZ

The radar

The Phoenix radar (KIWA), 80 km from the middle of the area, began a volume at 04:16 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 00:00Z, 4.2 hours before the alert went out and 48 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: 358 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 2166 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 7 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 10, 9:00 PM MST, 13 minutes earlier.

Area forecast discussion, Aug 10, 9:00 PM MST, 13 minutes before

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In the hours before

Local storm report, Aug 10, 7:32 PM MST, 1 hour 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
732 PM MST WED AUG 10 2016

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

0715 PM     HEAVY RAIN       1 SSE BOUSE             33.91N 113.99W
08/10/2016  E0.50 INCH       LA PAZ             AZ   TRAINED SPOTTER

            REPORTED .50 INCHES OF RAIN IN 15 MINUTES. .

&&

AD

Local storm report, Aug 10, 7:42 PM MST, 1 hour 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
742 PM MST WED AUG 10 2016

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

0731 PM     FLASH FLOOD      5 SE BOUSE              33.87N 113.93W
08/10/2016                   LA PAZ             AZ   DEPT OF HIGHWAYS

            ADOT REPORTS HIGHWAY 72 IMPASSABLE SE OF
            BOUSE DUE TO FLOODING.

&&

PI

Local storm report, Aug 10, 7:54 PM MST, 1 hour 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PHOENIX AZ
754 PM MST WED AUG 10 2016

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

0754 PM     HEAVY RAIN       1 SSE BOUSE             33.91N 113.99W
08/10/2016  M2.05 INCH       LA PAZ             AZ   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED 2.05" WITHIN 45
            MIN.

&&

AD

Special weather statement, Aug 10, 8:30 PM MST, 43 minutes before

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Local storm report, Aug 10, 8:35 PM MST, 38 minutes before

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Special weather statement, Aug 10, 9:13 PM MST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 5:30 PM MST	Special Weather Statement	PSR		45 min
Aug 10, 5:44 PM MST	Areal Flood Advisory	PSR	La Paz	3 hr
Aug 10, 6:02 PM MST	Areal Flood Advisory	PSR	Pinal	3 hr
Aug 10, 6:15 PM MST	Flash Flood Warning	PSR	La Paz	4 hr
Aug 10, 6:30 PM MST	Blowing Dust Advisory	PSR		90 min
Aug 10, 7:44 PM MST	Areal Flood Advisory	PSR	La Paz, Maricopa	3 hr
Aug 10, 8:11 PM MST	Areal Flood Advisory	PSR	Maricopa, Pinal	2 hr
Aug 10, 8:30 PM MST	Special Weather Statement	PSR	Maricopa	45 min
Aug 10, 8:33 PM MST	Areal Flood Advisory	PSR	Maricopa, Pinal	3 hr
Aug 10, 8:41 PM MST	Areal Flood Warning	PSR	Maricopa	2 hr
Aug 11, 4:02 AM MST	Areal Flood Advisory	PSR	Maricopa, Pinal	118 min
Aug 11, 5:43 AM MST	Areal Flood Advisory	PSR	Gila, Maricopa, Pinal	2 hr
Aug 11, 7:26 AM MST	Areal Flood Warning	PSR	Maricopa, Pinal	5 hr
Aug 11, 8:05 AM MST	Areal Flood Advisory	PSR	Maricopa, Pinal	4 hr
Aug 11, 8:53 AM MST	Areal Flood Warning	PSR	Maricopa	5 hr
Aug 11, 8:57 AM MST	Areal Flood Advisory	PSR	Maricopa	3 hr
Aug 11, 10:07 AM MST	Areal Flood Advisory	PSR	Pinal	3 hr
Aug 11, 11:07 AM MST	Areal Flood Advisory	PSR	Maricopa	3 hr

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.