Alert archive / Arizona / Mesoscale Discussions in 2016

Mesoscale Discussion 1440

July 29, 20168 counties in Arizona

The Storm Prediction Center issued this mesoscale discussion at Jul 29, 2016, 3:32 PM MST for 8 counties in Arizona. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jul 29, 2016, 3:32 PM MST (22:32 UTC)
Expired: Jul 29, 2016, 6:00 PM MST
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Cochise County, AZ, Gila County, AZ, Graham County, AZ, Greenlee County, AZ, Maricopa County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ

The radar

The Phoenix radar (KIWA), 94 km from the middle of the area, began a volume at 22:31 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 424Jul 29, 4:55 PM MST

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 29, 4:51 PM MST	Mesoscale Discussion	SPC	Pima, Pinal, Santa Cruz	54 min
Jul 29, 4:58 PM MST	Severe Thunderstorm Watch	SPC	Maricopa, Pima, Pinal, Santa Cruz	6 hr

Nearby

Mesoscale Discussions in Arizona, 2016 Every mesoscale discussion 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; radar from the NEXRAD Level II archive.