Alert archive / Arizona / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 71, NWS Phoenix, AZ

September 15, 1999Pinal County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Sep 15, 1999, 4:41 PM MST for Pinal County, Arizona. It was in force for 49 min. 3 reports 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
Sep 15, 1999, 4:41 PM MST (23:41 UTC)
Expired
Sep 15, 1999, 5:30 PM MST
In force
49 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Pinal County, AZ

What was reported inside it

TimeReportWhereRemark
Sep 15, 4:45 PM MSTHail 1Apache Jct, AZ
Sep 15, 4:46 PM MSTHail 0.75Coolidge, AZ
Sep 15, 5:30 PM MSTHail 0.75Superior, AZLarge hail was reported throughout the area along with heavy rain. One spotter about 7 miles east of Superior, at Top of the World, reported 1.10 inch in just 25 minutes.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 15, 12:30 PM MSTSevere Thunderstorm WatchSPC6 hr

The text

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

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 14, 5:12 PM MSTSevere Thunderstorm WarningPSRMaricopa48 min
Sep 14, 5:45 PM MSTSevere Thunderstorm WarningPSRGila, Maricopa60 min
Sep 14, 5:59 PM MSTSevere Thunderstorm WarningPSRMaricopa61 min
Sep 14, 6:29 PM MSTSevere Thunderstorm WarningPSRPinal46 min
Sep 14, 7:01 PM MSTSevere Thunderstorm WarningPSRMaricopa59 min
Sep 14, 7:21 PM MSTSevere Thunderstorm WarningPSRPinal39 min
Sep 14, 8:01 PM MSTSevere Thunderstorm WarningPSRPinal29 min
Sep 15, 1:56 PM MSTSevere Thunderstorm WarningPSRPinal34 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1999Every 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.