Alert archive / Illinois / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 120, NWS Quad Cities, IA

July 12, 2014Jackson County, Iowa; Carroll County, Jo Daviess County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 12, 2014, 8:08 PM CDT for Jackson County, Iowa; Carroll County, Jo Daviess County, Illinois. It was in force for 52 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: Jul 12, 2014, 8:08 PM CDT (01:08 UTC)
Expired: Jul 12, 2014, 9:00 PM CDT
In force: 52 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Jackson County, IA, Carroll County, IL, Jo Daviess County, IL

The radar

The Quad Cities radar (KDVN), 71 km from the middle of the area, began a volume at 01:09 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 12, 4:58 PM CDT	Tornado Watch	SPC	6 hr

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.

In the hours before

Local storm report, Jul 12, 7:45 PM CDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
745 PM CDT SAT JUL 12 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0730 PM     FLASH FLOOD      NORTH LIBERTY           41.74N 91.61W
07/12/2014                   JOHNSON            IA   LAW ENFORCEMENT

            WATER COVERING DUBUQUE STREET SOUTH OF NORTH LIBERTY.

&&

HAASE

Local storm report, Jul 12, 8:00 PM CDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
800 PM CDT SAT JUL 12 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0624 PM     HAIL             1 N IOWA CITY MUNICIPAL 41.65N 91.55W
07/12/2014  E0.88 INCH       JOHNSON            IA   TRAINED SPOTTER

0612 PM     HEAVY RAIN       CAMANCHE                41.79N 90.28W
07/12/2014  M0.78 INCH       CLINTON            IA   CO-OP OBSERVER

            RAINFALL IN 30 MINUTE PERIOD FROM 530-6 PM

0800 PM     HEAVY RAIN       1 ESE PEOSTA            42.44N 90.84W
07/12/2014  M1.05 INCH       DUBUQUE            IA   TRAINED SPOTTER

            RAINFALL IN 20 MINUTES

&&

TERRYS

Local storm report, Jul 12, 8:08 PM CDT, 0 minutes before

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The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 12, 7:01 PM CDT	Flash Flood Warning	DVN	Iowa, Johnson	6 hr
Jul 12, 7:29 PM CDT	Flash Flood Warning	DVN	Cedar	6 hr
Jul 12, 7:38 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson, Jones	52 min
Jul 13, 2:06 AM CDT	Special Weather Statement	DVN	Lee	114 min
Jul 13, 4:14 AM CDT	Special Weather Statement	DVN	Benton, Buchanan	3 hr
Jul 13, 7:12 AM CDT	Special Weather Statement	DVN	Benton, Buchanan	3 hr
Jul 13, 7:15 AM CDT	River Flood Warning	DVN	Louisa	57 hr
Jul 12, 8:41 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Stephenson	49 min
Jul 12, 9:27 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Mercer	25 min
Jul 12, 9:39 PM CDT	Tornado Warning	DVN	Henry, Mercer	36 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2014 Severe Thunderstorm Warnings in Iowa, 2014 Every severe thunderstorm warning in 2014

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.