Alert archive / Arizona / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 52, NWS Phoenix, AZ

August 31, 1999Maricopa County, Pinal County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 31, 1999, 12:52 PM MST for Maricopa County, Pinal County, Arizona. It was in force for 53 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Aug 31, 1999, 12:52 PM MST (19:52 UTC)
Expired: Aug 31, 1999, 1:45 PM MST
In force: 53 min
Issued by: NWS Phoenix, AZ
Area: Whole counties

Counties Maricopa County, AZ, Pinal County, AZ

What was reported inside it

Time	Report	Where	Remark
Aug 31, 1:30 PM MST	Thunderstorm Wind 72	Mesa, AZ	A large area of the East Valley experienced high winds and heavy rain. Williams Gateway airport traffic controllers evacuated the tower during very strong winds that peaked at 83 mph at 1:49 pm MST. A nearby fire station roof was damaged by the wind. Roof dama

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 30, 2:50 PM MST, 22 hours 2 minutes earlier.

Area forecast discussion, Aug 30, 2:50 PM MST, 22 hours 2 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 30, 5:51 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	59 min
Aug 31, 1:37 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	58 min
Aug 31, 1:53 PM MST	Severe Thunderstorm Warning	PSR	Pinal	32 min
Aug 31, 2:28 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	47 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1999 Every severe thunderstorm warning in 1999

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data.