Alert archive / Iowa / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 227, NWS Des Moines, IA

September 14, 2019Marshall County, Story County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Sep 14, 2019, 5:59 PM CDT for Marshall County, Story County, Iowa. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 14, 2019, 5:59 PM CDT (22:59 UTC)
Expired
Sep 14, 2019, 6:18 PM CDT
In force
19 min
Issued by
NWS Des Moines, IA
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Marshall County, IA, Story County, IA

The radar

The Des Moines radar (KDMX), 53 km from the middle of the area, began a volume at 23:02 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 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 Des Moines, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 14, 3:41 PM CDT, 2 hours 18 minutes earlier.

Area forecast discussion, Sep 14, 3:41 PM CDT, 2 hours 18 minutes before
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Hazardous weather outlook, Sep 14, 3:50 PM CDT, 2 hours 9 minutes before
Hazardous Weather Outlook
National Weather Service Des Moines IA
350 PM CDT Sat Sep 14 2019

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-152100-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
350 PM CDT Sat Sep 14 2019

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...This afternoon and tonight

Scattered thunderstorms are possible this afternoon then again tonight
into Sunday morning. A few storms may become severe with hail and
damaging winds the main threat. Brief heavy rainfall is also
possible.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Periodic storm chances are possible Tuesday night into Thursday,
but the probability of severe weather remains low at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters might be needed this afternoon and again late tonight.

FAB

In the hours before

Local storm report, Sep 14, 4:30 PM CDT, 1 hour 29 minutes before
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Local storm report, Sep 14, 5:34 PM CDT, 25 minutes before
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Local storm report, Sep 14, 5:37 PM CDT, 22 minutes before
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Local storm report, Sep 14, 5:57 PM CDT, 2 minutes before
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Local storm report, Sep 14, 5:58 PM CDT, 1 minute before
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Local storm report, Sep 14, 5:59 PM CDT, 0 minutes before
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The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 10:56 AM CDTSevere Thunderstorm WarningDMXCarroll, Crawford23 min
Sep 14, 12:12 PM CDTSpecial Weather StatementDMXAudubon48 min
Sep 14, 12:15 PM CDTSevere Thunderstorm WarningDMXAudubon, Cass30 min
Sep 14, 12:18 PM CDTSevere Thunderstorm WarningDMXAudubon27 min
Sep 14, 12:45 PM CDTSevere Thunderstorm WarningDMXAdair, Audubon, Cass, Guthrie30 min
Sep 14, 12:46 PM CDTSevere Thunderstorm WarningDMXAudubon, Guthrie29 min
Sep 14, 2:21 PM CDTSevere Thunderstorm WarningDMXBoone, Dallas39 min
Sep 14, 2:53 PM CDTSevere Thunderstorm WarningDMXBoone, Greene22 min
Sep 14, 3:00 PM CDTSevere Thunderstorm WarningDMXBoone, Dallas, Polk, Story45 min
Sep 14, 3:16 PM CDTSevere Thunderstorm WarningDMXHamilton, Webster44 min
Sep 14, 3:50 PM CDTSevere Thunderstorm WarningDMXHamilton, Webster29 min
Sep 14, 4:10 PM CDTSevere Thunderstorm WarningDMXCarroll, Greene35 min
Sep 14, 4:44 PM CDTSevere Thunderstorm WarningDMXHamilton, Webster29 min
Sep 14, 5:26 PM CDTSevere Thunderstorm WarningDMXBoone, Story34 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2019Every severe thunderstorm warning in 2019

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.