Mesoscale Discussion 1556

Issued

Jul 20, 2007, 12:52 PM MST (19:52 UTC)

Expired

Jul 20, 2007, 2:45 PM MST

In force

113 min

Issued by

the Storm Prediction Center

Counties Apache County, AZ, Cochise County, AZ, Coconino County, AZ, Gila County, AZ, Graham County, AZ, Greenlee County, AZ, Maricopa County, AZ, Navajo County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ, Yavapai County, AZ

The Flagstaff radar (KFSX), 71 km from the middle of the area, began a volume at 19:55 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.

• Severe Thunderstorm Watch 549Jul 20, 1:45 PM MST

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Mesoscale Discussions in Arizona, 2007Every mesoscale discussion in 2007

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.