Alert archive / Illinois / Special Weather Statements in 2012
Special Weather Statement, NWS Quad Cities, IA
NWS Quad Cities, IA issued this special weather statement at Jul 7, 2012, 7:57 PM CDT for Stark County, Illinois. It was in force for 33 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
- Jul 7, 2012, 7:57 PM CDT (00:57 UTC)
- Expired
- Jul 7, 2012, 8:30 PM CDT
- In force
- 33 min
- Issued by
- NWS Quad Cities, IA
County Stark County, IL
The radar
The Quad Cities radar (KDVN), 72 km from the middle of the area, began a volume at 00:59 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 nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.0 hours before the alert went out and 161 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 199 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 2803 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Jul 7, 6:40 PM CDT, 1 hour 17 minutes earlier.
Area forecast discussion, Jul 7, 6:40 PM CDT, 1 hour 17 minutes before
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</html>Hazardous weather outlook, Jul 7, 4:37 AM CDT, 15 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 437 AM CDT SAT JUL 7 2012 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-081000- BENTON IA-BUCHANAN IA-BUREAU IL-CARROLL IL-CEDAR IA-CLARK MO- CLINTON IA-DELAWARE IA-DES MOINES IA-DUBUQUE IA-HANCOCK IL- HENDERSON IL-HENRY IA-HENRY IL-IOWA IA-JACKSON IA-JEFFERSON IA- JO DAVIESS IL-JOHNSON IA-JONES IA-KEOKUK IA-LEE IA-LINN IA-LOUISA IA- MCDONOUGH IL-MERCER IL-MUSCATINE IA-PUTNAM IL-ROCK ISLAND IL- SCOTLAND MO-SCOTT IA-STEPHENSON IL-VAN BUREN IA-WARREN IL- WASHINGTON IA-WHITESIDE IL- 437 AM CDT SAT JUL 7 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 AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT THROUGH THIS EVENING FOR MOST OF THE OUTLOOK AREA. HOT AND HUMID CONDITIONS WILL CONTINUE AS TEMPERATURES SOAR INTO THE UPPER 90S TO AROUND 100 WITH HEAT INDEX VALUES FROM 100 TO 110. A COOL FRONT PUSHING INTO THE AREA TODAY WILL PREVENT EXCESSIVE HEAT FROM BUILDING IN AREAS GENERALLY FROM WEST OF DUBUQUE TO NORTH OF CEDAR RAPIDS. ISOLATED TO SCATTERED THUNDERSTORMS WILL BE POSSIBLE TODAY AND INTO THIS EVENING. THERE IS A LOW CHANCE THAT AN ISOLATED STORM MAY BE ABLE TO PRODUCE A DAMAGING WIND GUST. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT. 12/NICHOLS
In the hours before
Special weather statement, Jul 7, 4:55 PM CDT, 3 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
455 PM CDT SAT JUL 7 2012
ILZ007-009-072300-
CARROLL-WHITESIDE-
455 PM CDT SAT JUL 7 2012
...THUNDERSTORMS WITH TORRENTIAL RAIN AND STRONG WIND...
AT 451 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES NORTHEAST OF MILLEDGEVILLE...OR 14 MILES
EAST OF MOUNT CARROLL...MOVING SOUTHEAST AT 5 MPH.
* THE THUNDERSTORM WILL BE NEAR...
MILLEDGEVILLE AROUND 510 PM CDT...
WINDS GREATER THAN 35 MPH AND HEAVY RAIN...ARE EXPECTED WITH THIS
STORM. A SPOTTER REPORTED 2.5 INCHES OF RAIN IN 35 MINUTES JUST
NORTH OF HITT IN EASTERN CARROLL COUNTY WITH THIS STORM.
EXPECT PONDING OF WATER ON ROADS AND IN LOW-LYING AREAS.
LAT...LON 4191 8964 4192 8992 4214 8982 4215 8969
4209 8968 4194 8968 4193 8965
TIME...MOT...LOC 2153Z 319DEG 6KT 4204 8972
DLFLocal storm report, Jul 7, 4:56 PM CDT, 3 hours 1 minute before
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</html>Local storm report, Jul 7, 5:31 PM CDT, 2 hours 26 minutes before
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</html>Local storm report, Jul 7, 5:37 PM CDT, 2 hours 20 minutes before
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</html>Nearby
Special Weather Statements in Illinois, 2012Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.