Alert archive / Iowa / Heat Advisories in 2011

Heat Advisory 1, NWS Quad Cities, IA

June 6, 201116 counties in Iowa; 10 counties in Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this heat advisory at Jun 6, 2011, 3:28 AM CDT for 16 counties in Iowa; 10 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Jun 6, 2011, 1:00 PM CDT. It was in force for 54 hr.

The area

The counties it named.

The facts

Issued
Jun 6, 2011, 3:28 AM CDT (08:28 UTC)
In effect from
Jun 6, 2011, 1:00 PM CDT
Expired
Jun 8, 2011, 7:00 PM CDT
In force
54 hr
Issued by
NWS Quad Cities, IA
All 28 counties

Benton County, IA, Cedar County, IA, Clinton County, IA, Des Moines County, IA, Henry County, IA, Iowa County, IA, Jefferson County, IA, Johnson 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, Hancock County, IL, Henderson County, IL, Henry County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 62 km from the middle of the area, began a volume at 08:29 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 5, 3:27 PM CDT, 12 hours 1 minute earlier.

Area forecast discussion, Jun 5, 3:27 PM CDT, 12 hours 1 minute before
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Hazardous weather outlook, Jun 5, 4:25 AM CDT, 23 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
425 AM CDT SUN JUN 5 2011

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-060930-
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-
425 AM CDT SUN JUN 5 2011

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

SCATTERED THUNDERSTORMS WILL BE POSSIBLE TODAY AND TONIGHT...AS A
WARM FRONT BEGINS TO MOVE NORTH ACROSS THE OUTLOOK AREA. AN
ISOLATED SEVERE STORM IS POSSIBLE...MAINLY SOUTH OF INTERSTATE 80.
THE MAIN THREAT WITH STORMS WILL BE ISOLATED HEAVY RAIN
AMOUNTS...WITH THE STRONGEST STORMS CAPABLE OF PRODUCING UP TO
QUARTER SIZE HAIL AND GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

DANGEROUSLY HOT AND HUMID WEATHER IS EXPECTED MONDAY AFTERNOON
THROUGH WEDNESDAY. HIGH TEMPERATURES EACH DAY WILL REACH 88 TO 95
DEGREES...PRODUCING HEAT INDEX READINGS OF 98 TO 105 DEGREES. THIS
DANGEROUS LEVEL OF HEAT WILL CONTINUE FOR THREE DAYS...WHICH MAY
PUT INDIVIDUALS WITHOUT AIR CONDITIONING INTO INCREASING LEVELS OF
HEAT STRESS.

RAIN AND THUNDERSTORMS WILL BE POSSIBLE FROM WEDNESDAY EVENING
THROUGH SATURDAY. THE SEVERE THREAT IS NOT DETERMINED AT THIS
TIME...BUT THERE IS POTENTIAL FOR HEAVY RAIN AMOUNTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED FOR ISOLATED STRONG TO SEVERE
STORMS TODAY AND TONIGHT.

ERVIN

Nearby

Heat Advisories in Iowa, 2011Heat Advisories in Illinois, 2011Heat Advisories in Missouri, 2011Every heat advisory in 2011

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.