Alert archive / Iowa / Excessive Heat Warnings in 2015

Excessive Heat Warning 1, NWS Quad Cities, IA

July 13, 201513 counties in Iowa; 9 counties in Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this excessive heat warning at Jul 13, 2015, 2:20 PM CDT for 13 counties in Iowa; 9 counties in Illinois; Clark County, Scotland County, Missouri. It was in force for 6 hr. 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 13, 2015, 2:20 PM CDT (19:20 UTC)
Expired: Jul 13, 2015, 8:00 PM CDT
In force: 6 hr
Issued by: NWS Quad Cities, IA

All 24 counties

Cedar County, IA, Des Moines County, IA, Henry County, IA, Iowa County, IA, Jefferson County, IA, Johnson County, IA, Keokuk County, IA, Lee 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, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 73 km from the middle of the area, began a volume at 19:20 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 excessive heat warning 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 excessive heat warning went out at Jul 13, 1:38 PM CDT, 42 minutes earlier.

Area forecast discussion, Jul 13, 1:38 PM CDT, 42 minutes before

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Hazardous weather outlook, Jul 13, 4:28 AM CDT, 9 hours 52 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
428 AM CDT MON JUL 13 2015

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-140930-
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-
428 AM CDT MON JUL 13 2015

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

SEVERE WEATHER...THERE IS A THREAT OF SEVERE THUNDERSTORMS THIS
MORNING AND AGAIN LATER THIS AFTERNOON AND EVENING. THE MAIN
THREAT IS DAMAGING WINDS...AND ADDITIONALLY THERE IS A RISK OF
TORNADOES THIS AFTERNOON AND EARLY EVENING. THE SEVERE RISK IS
GREATER EAST OF A LINE FROM DUBUQUE TO THE QUAD CITIES TO
BURLINGTON IOWA AND RELATIVELY LOWER TO THE WEST.

EXTREME HEAT...TEMPERATURES IN THE UPPER 80S TO LOWER 90S WITH DEW
POINTS WELL INTO THE 70S WILL PUSH HEAT INDEX VALUES UP TO OR
ABOVE 100 DEGREES THIS AFTERNOON. SINCE THIS IS THE FIRST HEAT
EPISODE OF THE SEASON...WE HAVE HAD LITTLE OPPORTUNITY TO
ACCLIMATE...THUS IMPACTS ARE MORE LIKELY ESPECIALLY FOR
INDIVIDUALS WHO ARE ACTIVE OUTDOORS THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS WILL BE POSSIBLE ON TUESDAY MAINLY EAST OF THE
MISSISSIPPI. SEVERE STORMS ARE NOT EXPECTED.

ADDITIONAL ROUNDS OF THUNDERSTORMS ARE POSSIBLE WEDNESDAY NIGHT
THROUGH FRIDAY. IT IS TOO EARLY TO DETERMINE A SEVERE THREAT.

VERY WARM AND HUMID CONDITIONS ARE EXPECTED ACROSS THE AREA ON
SATURDAY. HEAT INDEX VALUES MAY BE AROUND 100.

SATURDAY NIGHT AND SUNDAY THERE IS ANOTHER CHANCE OF
THUNDERSTORMS. IT IS TOO EARLY TO DETERMINE A SEVERE THREAT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE THIS AFTERNOON AND EVENING.

WOLF/08

In the hours before

Special weather statement, Jul 13, 8:48 AM CDT, 5 hours 32 minutes before

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Local storm report, Jul 13, 8:54 AM CDT, 5 hours 26 minutes before

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Special weather statement, Jul 13, 9:04 AM CDT, 5 hours 16 minutes before

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Local storm report, Jul 13, 9:36 AM CDT, 4 hours 44 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 13, 5:16 AM CDT	Special Weather Statement	DVN	Clinton, Jackson	29 min
Jul 13, 6:00 AM CDT	Special Weather Statement	DVN	Cedar, Clinton, Muscatine, Scott	2 hr
Jul 13, 6:12 AM CDT	Special Weather Statement	DVN	Delaware	48 min
Jul 13, 6:50 AM CDT	Special Weather Statement	DVN	Jackson, Jones	40 min
Jul 13, 4:36 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	39 min
Jul 13, 5:08 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	27 min
Jul 13, 8:48 AM CDT	Special Weather Statement	DVN	Bureau	27 min
Jul 13, 9:04 AM CDT	Special Weather Statement	DVN	Bureau, Putnam	56 min
Jul 13, 5:53 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	37 min
Jul 13, 5:54 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry	39 min
Jul 13, 6:48 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry, Putnam	37 min
Jul 13, 5:16 PM CDT	Severe Thunderstorm Warning	DVN	Clark, Scotland	44 min

Nearby

Excessive Heat Warnings in Iowa, 2015 Excessive Heat Warnings in Illinois, 2015 Excessive Heat Warnings in Missouri, 2015 Every excessive heat warning in 2015

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.