Alert archive / Illinois / Flood Watches in 2013

Flood Watch 1, NWS Quad Cities, IA

January 29, 2013Des Moines County, Lee County, Iowa; 13 counties in Illinois; Clark County, Missouri

NWS Quad Cities, IA issued this flood watch at Jan 29, 2013, 3:46 AM CST for Des Moines County, Lee County, Iowa; 13 counties in Illinois; Clark County, Missouri. It took effect at Jan 29, 2013, 12:00 PM CST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Jan 29, 2013, 3:46 AM CST (09:46 UTC)
In effect from: Jan 29, 2013, 12:00 PM CST
Expired: Jan 29, 2013, 5:28 PM CST
In force: 5 hr
Issued by: NWS Quad Cities, IA
Flood severity: None

Counties Des Moines County, IA, Lee 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

The radar

The Quad Cities radar (KDVN), 43 km from the middle of the area, began a volume at 09:46 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

Davenport, (KDVN), launched 00:00Z, 9.8 hours before the alert went out and 43 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 483 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 263 m²/s²
0-3 km storm-relative helicity: 328 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch 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 flood watch went out at Jan 28, 11:42 PM CST, 4 hours 4 minutes earlier.

Area forecast discussion, Jan 28, 11:42 PM CST, 4 hours 4 minutes before

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Hazardous weather outlook, Jan 28, 2:43 PM CST, 13 hours 3 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
243 PM CST MON JAN 28 2013

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-292045-
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-
243 PM CST MON JAN 28 2013

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...THIS AFTERNOON AND TONIGHT

A DENSE FOG ADVISORY IS IN EFFECT FOR PORTIONS OF EASTERN
IA...WESTERN IL AND EXTREME NORTHEAST MO INTO EARLY THIS EVENING.
VISIBILITIES WILL BE OCCASIONALLY REDUCED TO 1/4 MILE OR LESS.

A WARM FRONT WILL LIFT NORTHWARD TONIGHT AND WILL SPREAD RAIN AND
EMBEDDED THUNDERSTORMS ACROSS THE OUTLOOK AREA. SOME OF THE
STRONGER STORMS MAY PRODUCE SMALL HAIL AND LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A STRONG COLD FRONT PUSHING INTO AN UNSEASONABLY WARM AND MOIST
AIR MASS WILL TRIGGER WIDESPREAD SHOWERS AND THUNDERSTORMS ON TUESDAY.
SOME OF THE STRONGER STORMS MAY PRODUCE HAIL UP TO QUARTER SIZE
ALONG WITH SEVERAL INCHES OF RAINFALL...WHICH MAY CAUSE LOCALIZED
FLASH FLOODING.

LATE TUESDAY NIGHT AND WEDNESDAY...A STRENGTHENING STORM SYSTEM
COMBINED WITH MUCH COLDER AIR MAY PRODUCE SIGNIFICANT SNOW
ACCUMULATIONS ACROSS THE OUTLOOK AREA. STRONG WINDS OF 30 TO 40
MPH MAY ALSO ACCOMPANY THE SNOWFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THIS AFTERNOON OR TONIGHT.

HAASE/SHEETS

In the hours before

Local storm report, Jan 28, 10:13 PM CST, 5 hours 33 minutes before

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Local storm report, Jan 28, 10:27 PM CST, 5 hours 19 minutes before

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Special weather statement, Jan 28, 10:49 PM CST, 4 hours 57 minutes before

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Local storm report, Jan 28, 11:00 PM CST, 4 hours 46 minutes before

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Local storm report, Jan 28, 11:35 PM CST, 4 hours 11 minutes before

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Local storm report, Jan 28, 11:36 PM CST, 4 hours 10 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
Jan 28, 9:44 PM CST	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Delaware, Linn	46 min
Jan 28, 10:49 PM CST	Special Weather Statement	DVN	Buchanan, Delaware	56 min
Jan 29, 3:39 AM CST	Winter Storm Watch	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 13 more	12 hr
Jan 29, 9:55 AM CST	River Flood Warning	DVN	Delaware, Jones	39 hr
Jan 29, 3:18 PM CST	Winter Storm Warning	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more	27 hr
Jan 29, 3:18 PM CST	Winter Weather Advisory	DVN	Des Moines, Henry, Lee, Louisa, Muscatine, Scott and 1 more	27 hr
Jan 28, 8:46 PM CST	Special Weather Statement	DVN	Putnam	29 min

Nearby

Flood Watches in Illinois, 2013 Flood Watches in Iowa, 2013 Flood Watches in Missouri, 2013 Every flood watch in 2013

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.