Alert archive / Iowa / Heat Advisories in 2009

Heat Advisory 2, NWS Quad Cities, IA

June 22, 200921 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this heat advisory at Jun 22, 2009, 3:25 PM CDT for 21 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Jun 22, 2009, 6:41 PM CDT. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued: Jun 22, 2009, 3:25 PM CDT (20:25 UTC)
In effect from: Jun 22, 2009, 6:41 PM CDT
Expired: Jun 23, 2009, 8:10 PM CDT
In force: 25 hr
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 20:25 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 22, 3:05 PM CDT, 20 minutes earlier.

Area forecast discussion, Jun 22, 3:05 PM CDT, 20 minutes before

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Hazardous weather outlook, Jun 22, 4:56 AM CDT, 10 hours 29 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
456 AM CDT MON JUN 22 2009

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-231000-
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-
456 AM CDT MON JUN 22 2009

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 CONTINUE THROUGH MID MORNING ALONG
AND SOUTH OF HIGHWAY 34. THE MAIN THREAT ASSOCIATED WITH THESE STORMS
WILL BE LOCALLY HEAVY RAIN WHICH COULD RESULT IN THE PONDING OF
WATER ON ROADS AND IN LOW LYING AREAS. WIND GUSTS OF 40 TO 50 MPH
ARE ALSO POSSIBLE FROM THE STRONGER STORMS. THE SAME AREA MAY ALSO
SEE ISOLATED THUNDERSTORMS THIS AFTERNOON. WHILE SOME OF THESE
STORMS MAY BE STRONG WITH GUSTY WINDS AND HEAVY DOWNPOURS...SEVERE
STORMS ARE NOT EXPECTED AT THIS TIME.

HOT AND HUMID CONDITIONS WILL BE OVER THE AREA AGAIN TODAY.
AFTERNOON TEMPERATURES IN THE LOW 90S WILL COMBINE WITH THE HIGH
HUMIDITY TO PRODUCE HEAT INDICES AROUND 100 OVER AREAS ALONG AND
SOUTH OF INTERSTATE 80.

AREA RIVERS ARE EXPERIENCING FLOODING. PLEASE SEE THE LATEST
FLOOD STATEMENTS AND FLOOD WARNINGS FOR DETAILS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
THE HOT AND HUMID CONDITIONS WILL CONTINUE INTO WEDNESDAY WITH
HIGH HUMIDITY AND TEMPERATURES IN THE UPPER 80S TO MIDDLE 90S
CONTINUING TO PRODUCE AFTERNOON HEAT INDICES NEAR 100.

THUNDERSTORMS WILL BE POSSIBLE TUESDAY NIGHT THROUGH THURSDAY AND
AGAIN FRIDAY NIGHT THROUGH SUNDAY. IT IS TOO SOON TO DETERMINE TO
THREAT OF SEVERE WEATHER WITH THESE THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

DLF

In the hours before

Local storm report, Jun 22, 11:04 AM CDT, 4 hours 21 minutes before

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Local storm report, Jun 22, 11:06 AM CDT, 4 hours 19 minutes before

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Local storm report, Jun 22, 11:45 AM CDT, 3 hours 40 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
Jun 21, 7:26 PM CDT	Tornado Warning	DVN	Benton	49 min
Jun 21, 7:46 PM CDT	Tornado Warning	DVN	Benton, Iowa	44 min
Jun 21, 8:06 PM CDT	Tornado Warning	DVN	Iowa, Johnson, Washington	39 min
Jun 21, 8:23 PM CDT	Tornado Warning	DVN	Iowa, Johnson	35 min
Jun 21, 8:37 PM CDT	Flash Flood Warning	DVN	Benton, Iowa, Johnson, Linn	6 hr
Jun 21, 8:38 PM CDT	Tornado Warning	DVN	Johnson, Louisa, Washington	52 min
Jun 21, 9:13 PM CDT	Flash Flood Warning	DVN	Keokuk, Washington	6 hr
Jun 21, 9:21 PM CDT	Tornado Warning	DVN	Washington	54 min
Jun 21, 9:37 PM CDT	Flash Flood Warning	DVN	Louisa, Muscatine	6 hr
Jun 21, 9:45 PM CDT	Flash Flood Warning	DVN	Johnson	6 hr
Jun 21, 11:00 PM CDT	River Flood Warning	DVN	Keokuk	4 days
Jun 22, 12:17 AM CDT	River Flood Warning	DVN	Louisa	34 hr
Jun 22, 12:24 AM CDT	Flash Flood Warning	DVN	Des Moines, Henry, Louisa	6 hr
Jun 22, 1:29 AM CDT	Special Weather Statement	DVN	Jefferson, Lee, Van Buren	61 min
Jun 22, 1:55 AM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Lee, Van Buren	50 min
Jun 22, 2:45 AM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Lee, Van Buren	60 min
Jun 22, 10:02 AM CDT	River Flood Warning	DVN	Des Moines, Henry, Lee	5 days
Jun 22, 12:07 PM CDT	Heat Advisory	DVN	Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more	7 hr
Jun 22, 12:35 AM CDT	Special Weather Statement	DVN	Henderson	55 min
Jun 22, 2:06 PM CDT	River Flood Warning	DVN	Whiteside	10 hr

Nearby

Heat Advisories in Iowa, 2009 Heat Advisories in Illinois, 2009 Heat Advisories in Missouri, 2009 Every heat advisory in 2009

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.