Alert archive / Iowa / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 23, NWS Des Moines, IA

May 16, 1999Calhoun County, Webster County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at May 16, 1999, 10:28 AM CDT for Calhoun County, Webster County, Iowa. It was in force for 32 min. 7 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
May 16, 1999, 10:28 AM CDT (15:28 UTC)
Expired
May 16, 1999, 11:00 AM CDT
In force
32 min
Issued by
NWS Des Moines, IA
Area
Whole counties

Counties Calhoun County, IA, Webster County, IA

The radar

The Des Moines radar (KDMX), 94 km from the middle of the area, began a volume at 15:30 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.

What was reported inside it

TimeReportWhereRemark
May 16, 10:30 AM CDTHail 0.75Rockwell City, IA
May 16, 10:32 AM CDTHail 0.75Rockwell City, IA
May 16, 10:41 AM CDTHail 0.75Barnum, IA
May 16, 10:54 AM CDTHail 0.75Barnum, IA
May 16, 11:02 AM CDTHail 0.75Ft Dodge, IA
May 16, 11:05 AM CDTHail 1Ft Dodge, IA
May 16, 11:10 AM CDTHail 1.75Ft Dodge, IA

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
May 16, 9:45 AM CDTSevere Thunderstorm WatchSPC5 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 Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 16, 3:52 AM CDTSevere Thunderstorm WarningDMXClarke33 min
May 16, 4:09 AM CDTSevere Thunderstorm WarningDMXWarren36 min
May 16, 8:47 AM CDTSevere Thunderstorm WarningDMXGreene33 min
May 16, 9:19 AM CDTSevere Thunderstorm WarningDMXBoone, Greene36 min
May 16, 9:24 AM CDTSevere Thunderstorm WarningDMXSac41 min
May 16, 10:12 AM CDTSevere Thunderstorm WarningDMXBoone, Story33 min
May 16, 10:47 AM CDTSevere Thunderstorm WarningDMXHamilton, Hardin33 min
May 16, 10:58 AM CDTSevere Thunderstorm WarningDMXWebster32 min
May 16, 11:18 AM CDTSevere Thunderstorm WarningDMXHardin32 min
May 16, 11:23 AM CDTSevere Thunderstorm WarningDMXHamilton, Wright47 min
May 16, 12:00 PM CDTSevere Thunderstorm WarningDMXFranklin45 min
May 16, 12:27 PM CDTSevere Thunderstorm WarningDMXButler63 min
May 16, 12:40 PM CDTSevere Thunderstorm WarningDMXBremer65 min
May 16, 12:46 PM CDTSevere Thunderstorm WarningDMXFranklin34 min
May 16, 1:28 PM CDTSevere Thunderstorm WarningDMXButler32 min
May 16, 1:43 PM CDTSevere Thunderstorm WarningDMXBremer62 min
May 16, 2:18 PM CDTSevere Thunderstorm WarningDMXBlack Hawk47 min
May 16, 3:42 PM CDTTornado WarningDMXCrawford33 min
May 16, 4:13 PM CDTTornado WarningDMXCrawford17 min
May 16, 4:20 PM CDTTornado WarningDMXCrawford50 min
May 16, 4:33 PM CDTSevere Thunderstorm WarningDMXHardin32 min
May 16, 4:38 PM CDTSevere Thunderstorm WarningDMXBlack Hawk, Grundy32 min
May 16, 4:43 PM CDTTornado WarningDMXSac47 min
May 16, 5:55 PM CDTSevere Thunderstorm WarningDMXBlack Hawk, Bremer35 min
May 16, 6:13 PM CDTSevere Thunderstorm WarningDMXCass32 min
May 16, 6:17 PM CDTFlash Flood WarningDMXHardin2 hr
May 16, 6:26 PM CDTSevere Thunderstorm WarningDMXButler34 min
May 16, 6:38 PM CDTTornado WarningDMXAudubon, Cass47 min

Nearby

Severe Thunderstorm Warnings in Iowa, 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; radar from the NEXRAD Level II archive.