Alert archive / Iowa / Heat Advisories in 2018

Heat Advisory 2, NWS Quad Cities, IA

June 27, 201821 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this heat advisory at Jun 27, 2018, 3:11 PM CDT for 21 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Jun 29, 2018, 10:00 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued
Jun 27, 2018, 3:11 PM CDT (20:11 UTC)
In effect from
Jun 29, 2018, 10:00 AM CDT
Expired
Jun 28, 2018, 3:31 PM CDT
In force
Issued by
NWS Quad Cities, IA
All 36 counties

Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Bureau County, IL, Carroll County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 41 km from the middle of the area, began a volume at 20:16 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 heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this heat advisory went out at Jun 27, 12:51 PM CDT, 2 hours 20 minutes earlier.

Area forecast discussion, Jun 27, 12:51 PM CDT, 2 hours 20 minutes before
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Hazardous weather outlook, Jun 27, 4:11 AM CDT, 11 hours before
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
411 AM CDT Wed Jun 27 2018

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-280915-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
411 AM CDT Wed Jun 27 2018

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

Area rivers are experiencing flooding. Please see the
latest Flood Statements and Flood Warnings for details.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

There is a slight chance for thunderstorms on Thursday. The
primary risks are lightning and gusty winds.

There is a chance for thunderstorms Saturday evening into Sunday
morning, and again on Tuesday. It is too early to determine the
risk for severe weather.

Building heat and humidity Friday and Saturday will push peak
heat indices into the 100 to 110 degree range. The hottest
conditions are expected on Friday.

Area rivers are experiencing flooding. Please see the
latest Flood Statements and Flood Warnings for details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

Uttech

In the hours before

Local storm report, Jun 27, 10:34 AM CDT, 4 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1034 AM CDT WED JUN 27 2018

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

0327 PM     TORNADO          1 N MEMPHIS             40.48N 92.17W
06/26/2018                   SCOTLAND           MO   LAW ENFORCEMENT

            BRIEF TOUCHDOWN. EMPTY GRAIN BIN WAS LOFTED
            APPROX 200 YDS OVER A LINE OF TREES INTO A
            POND.

&&

GROSS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 10:39 AM CDTRiver Flood WarningDVNClinton7 days
Jun 27, 10:39 AM CDTRiver Flood WarningDVNScott8 days
Jun 26, 7:37 PM CDTSpecial Weather StatementDVNMercer53 min
Jun 26, 7:59 PM CDTSpecial Weather StatementDVNHenry46 min
Jun 26, 8:21 PM CDTTornado WarningDVNBureau, Henry21 min

Nearby

Heat Advisories in Iowa, 2018Heat Advisories in Illinois, 2018Heat Advisories in Missouri, 2018Every heat advisory in 2018

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.