Alert archive / Iowa / Flood Watches in 2007
Flood Watch 1, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flood watch at Feb 23, 2007, 11:34 AM CST for 13 counties in Iowa; 10 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Feb 24, 2007, 6:00 AM CST. It was in force for 52 hr.
The area
The counties it named.
The facts
- Issued
- Feb 23, 2007, 11:34 AM CST (17:34 UTC)
- In effect from
- Feb 24, 2007, 6:00 AM CST
- Expired
- Feb 26, 2007, 9:50 AM CST
- In force
- 52 hr
- Issued by
- NWS Quad Cities, IA
- Flood severity
- None
All 25 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, Whiteside County, IL, Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 68 km from the middle of the area, began a volume at 17:31 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
Omaha, NE (KOAX), launched 12:00Z, 5.6 hours before the alert went out and 442 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1961 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 418 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Feb 23, 11:12 AM CST, 22 minutes earlier.
Area forecast discussion, Feb 23, 11:12 AM CST, 22 minutes before
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</html>Hazardous weather outlook, Feb 23, 9:03 AM CST, 2 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 903 AM CST FRI FEB 23 2007 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-241100- 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- 903 AM CST FRI FEB 23 2007 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 NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TONIGHT THROUGH THURSDAY FRIDAY NIGHT THROUGH SUNDAY...AN INTENSE AND SLOW MOVING STORM SYSTEM WILL IMPACT THE REGION BRINGING HEAVY PRECIPITATION IN THE FORM OF FREEZING RAIN...SLEET AND SNOW ALONG AND NORTH OF I-80. ICE ACCUMULATIONS UP TO A HALF INCH ALONG WITH 3 TO 11 INCHES OF SNOW WILL RESULT IN HAZARDOUS TRAVEL CONDITIONS. SOUTH OF I-80...RAIN WILL MIX AT TIMES WITH SLEET AND EVENTUALLY CHANGE TO SNOW SUNDAY WITH MINOR SNOW AND ICE ACCUMULATIONS EXPECTED. WIDESPREAD ONE TO TWO INCH LIQUID AMOUNTS FALLING ON PARTIALLY FROZEN GROUND PLUS THICK ICE ON AREA RIVERS WILL CREATE A SITUATION FAVORABLE FOR FLOODING AND POSSIBLY FLASH FLOODING. INDIVIDUALS SHOULD MONITOR THIS SITUATION FOR FURTHER UPDATES. THE STORM SYSTEM WILL ALSO PRODUCE VERY STRONG EAST WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH. THIS WILL INCREASE THE RISK OF DOWNED POWER LINES AND FALLEN TREE BRANCHES IN AREAS WITH SIGNIFICANT ICE. IN LOCATIONS THAT RECEIVE MAINLY SNOW...THE STRONG WINDS WILL CAUSE WHITEOUT CONDITIONS REDUCING VISIBILITIES DOWN TO A FEW HUNDRED FEET. A WINTER STORM WATCH IS IN EFFECT LATE FRIDAY NIGHT THROUGH SUNDAY ALONG AND NORTH OF I-80...SEE LOCAL WINTER WEATHER PRODUCTS FOR FURTHER INFORMATION. .SPOTTER INFORMATION STATEMENT... AN EMERGENCY MANAGERS CONFERENCE CALL HAS BEEN SCHEDULED FOR 1 PM THIS AFTERNOON. SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. ANY ICE AND SNOW REPORTS THIS WEEKEND DURING THE EVENT WOULD BE APPRECIATED. 05/12/NICHOLS
Nearby
Flood Watches in Iowa, 2007Flood Watches in Illinois, 2007Flood Watches in Missouri, 2007Every flood watch in 2007
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.