Alert archive / Illinois / Special Weather Statements in 2012

Special Weather Statement, NWS Quad Cities, IA

June 30, 2012Henry County, Illinois

NWS Quad Cities, IA issued this special weather statement at Jun 30, 2012, 7:48 AM CDT for Henry County, Illinois. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 30, 2012, 7:48 AM CDT (12:48 UTC)
Expired: Jun 30, 2012, 8:45 AM CDT
In force: 57 min
Issued by: NWS Quad Cities, IA

County Henry County, IL

The radar

The Quad Cities radar (KDVN), 59 km from the middle of the area, began a volume at 12:51 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 text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 30, 7:20 AM CDT, 28 minutes earlier.

Area forecast discussion, Jun 30, 7:20 AM CDT, 28 minutes before

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Hazardous weather outlook, Jun 30, 4:41 AM CDT, 3 hours 7 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
441 AM CDT SAT JUN 30 2012

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-010945-
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-
441 AM CDT SAT JUN 30 2012

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

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON AND
TONIGHT...MAINLY FOR AREAS SOUTH OF INTERSTATE 80. A LARGE POOL OF
INSTABILITY COMBINED WITH MODERATE SHEAR AND PLENTY OF LOW LEVEL
MOISTURE ARE EXPECTED TO PRODUCE STRONG TO POSSIBLY SEVERE STORMS
THIS AFTERNOON AND EVENING. THE MAIN THREAT FROM THESE STORMS WILL
BE DAMAGING WINDS AND LARGE HAIL. LOCALLY HEAVY RAINFALL IS
POSSIBLE.

A HEAT ADVISORY IS IN EFFECT LATE THIS MORNING INTO THIS EVENING FOR
LOCATIONS ALONG AND SOUTH OF A FAIRFIELD IOWA TO GALESBURG
ILLINOIS LINE. HEAT INDEX VALUES WILL RANGE FROM 100 TO 110. HEAT
ADVISORIES MAY NEED TO BE ISSUED LATER THIS WEEKEND FOR DANGEROUS
HEAT AND HUMIDITY FOR AT LEAST A PORTION OF THE OUTLOOK AREA.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SUNDAY THROUGH MONDAY...THUNDERSTORMS ARE POSSIBLE THROUGH THE
PERIOD AS A WEAK FRONT LINGERS OVER THE AREA. SOME THUNDERSTORMS
MAY BE SEVERE. THE PRIMARY SEVERE WEATHER THREAT WILL BE DAMAGING
WIND...WITH A SECONDARY LESSER POTENTIAL FOR LARGE HAIL AND
LOCALLY HEAVY RAINFALL.

HEAT INDEX READINGS MAY EXCEED 100 SUNDAY AND MONDAY AFTERNOON AND
EVENING...ESPECIALLY SOUTH OF INTERSTATE 80. HOT AND SOMEWHAT
HUMID CONDITIONS WILL CONTINUE FOR MUCH OF THE UPCOMING WEEK...WITH
HEAT INDEX READINGS ABOVE 100 POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT.

In the hours before

Local storm report, Jun 30, 6:21 AM CDT, 1 hour 27 minutes before

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Local storm report, Jun 30, 6:42 AM CDT, 1 hour 6 minutes before

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Special weather statement, Jun 30, 6:57 AM CDT, 51 minutes before

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Local storm report, Jun 30, 7:13 AM CDT, 35 minutes before

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Special weather statement, Jun 30, 7:28 AM CDT, 20 minutes before

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Special weather statement, Jun 30, 7:48 AM 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
Jun 29, 8:19 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Louisa	26 min
Jun 29, 8:22 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson, Keokuk, Washington	38 min
Jun 29, 11:06 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson	25 min
Jun 30, 1:42 AM CDT	Special Weather Statement	DVN	Keokuk, Louisa, Washington	48 min
Jun 30, 1:47 AM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Louisa	28 min
Jun 30, 3:15 AM CDT	Special Weather Statement	DVN	Des Moines	60 min
Jun 30, 3:47 AM CDT	Heat Advisory	DVN	Des Moines, Henry, Jefferson, Lee, Van Buren	16 hr
Jun 30, 4:30 AM CDT	Special Weather Statement	DVN	Iowa	60 min
Jun 30, 4:54 AM CDT	Special Weather Statement	DVN	Iowa	66 min
Jun 29, 7:23 PM CDT	Severe Thunderstorm Warning	DVN	Whiteside	47 min
Jun 29, 7:41 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry, Whiteside	64 min
Jun 30, 1:18 AM CDT	Special Weather Statement	DVN	Warren	57 min
Jun 30, 6:57 AM CDT	Special Weather Statement	DVN	Mercer	63 min
Jun 30, 7:28 AM CDT	Special Weather Statement	DVN	Henry	62 min

Nearby

Special Weather Statements in Illinois, 2012 Every special weather statement in 2012

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.