Alert archive / Arizona / Special Weather Statements in 2012

Special Weather Statement, NWS Tucson, AZ

July 29, 2012Pinal County, Arizona

NWS Tucson, AZ issued this special weather statement at Jul 29, 2012, 3:26 PM MST for Pinal County, Arizona. It was in force for 49 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: Jul 29, 2012, 3:26 PM MST (22:26 UTC)
Expired: Jul 29, 2012, 4:15 PM MST
In force: 49 min
Issued by: NWS Tucson, AZ

County Pinal County, AZ

The radar

The Phoenix radar (KIWA), 77 km from the middle of the area, began a volume at 22:28 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, 10.4 hours before the alert went out and 89 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: 386 J/kg
Mixed-layer CIN: -196 J/kg
Mixed-layer LCL: 1310 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Tucson, AZ wrote its last area forecast discussion before this special weather statement went out at Jul 29, 3:03 PM MST, 23 minutes earlier.

Area forecast discussion, Jul 29, 3:03 PM MST, 23 minutes before

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Hazardous weather outlook, Jul 29, 3:17 PM MST, 9 minutes before

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In the hours before

Special weather statement, Jul 29, 11:23 AM MST, 4 hours 3 minutes before

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Special weather statement, Jul 29, 12:44 PM MST, 2 hours 42 minutes before

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Special weather statement, Jul 29, 2:01 PM MST, 1 hour 25 minutes before

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Special weather statement, Jul 29, 3:26 PM MST, 0 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 28, 5:32 PM MST	Areal Flood Advisory	TWC	Pinal	118 min
Jul 28, 6:00 PM MST	Areal Flood Advisory	TWC	Pima	90 min
Jul 29, 9:56 AM MST	Flash Flood Watch	TWC	Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz	10 hr
Jul 29, 11:23 AM MST	Special Weather Statement	TWC		37 min
Jul 29, 11:43 AM MST	Areal Flood Advisory	TWC	Pima	92 min
Jul 29, 12:44 PM MST	Special Weather Statement	TWC	Graham	31 min
Jul 29, 1:19 PM MST	Areal Flood Advisory	TWC	Cochise, Pima, Santa Cruz	3 hr
Jul 29, 2:01 PM MST	Special Weather Statement	TWC		44 min
Jul 29, 2:16 PM MST	Flash Flood Warning	TWC	Pima, Pinal	119 min
Jul 29, 2:44 PM MST	Flash Flood Warning	TWC	Pima	91 min
Jul 29, 3:12 PM MST	Areal Flood Advisory	TWC	Pinal	2 hr
Jul 29, 4:13 PM MST	Flash Flood Warning	TWC	Pima	2 hr

Nearby

Special Weather Statements in Arizona, 2012 Every special weather statement in 2012

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.