Alert archive / Iowa / Flash Flood Warnings in 2005

Flash Flood Warning 2, NWS Quad Cities, IA

June 4, 2005Benton County, Iowa

NWS Quad Cities, IA issued this flash flood warning at Jun 4, 2005, 10:32 PM CDT for Benton County, Iowa. It was in force for 8 hr. 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 4, 2005, 10:32 PM CDT (03:32 UTC)
Expired: Jun 5, 2005, 6:30 AM CDT
In force: 8 hr
Issued by: NWS Quad Cities, IA
Area: Counties, with a storm outline in the text

County Benton County, IA

The radar

The Quad Cities radar (KDVN), 136 km from the middle of the area, began a volume at 03:34 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, 3.5 hours before the alert went out and 142 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: 2060 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1369 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 219 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 6.8

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KDVN 050334
FFWDVN
IAC011-051130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1032 PM CDT SAT JUN 4 2005

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BENTON COUNTY IN EAST CENTRAL IOWA

* UNTIL 630 AM CDT

* AT 1025 PM CDT...TRAINED SPOTTERS REPORTED VERY HEAVY RAIN IN THE 
BELLE PLAINE AREA WITH WATER STARTED TO COVER THE MAIN ROAD IN TOWN.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VINTON...
  URBANA...SHELLSBURG...MOUNT AUBURN AND GARRISON.

THIS INCLUDES INTERSTATE 380 BETWEEN MILE MARKERS 41 AND 48.

ADDITIONAL RAINFALL OF BETWEEN 1 AND 2 INCHES IN A ONE-HOUR PERIOD 
IS EXPECTED.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING...ESPECIALLY WHILE DRIVING.

LAT...LON 4187 9229 4186 9184 4228 9185 4229 9231

$$

WOLF

2 follow-up statements

000 
WGUS73 KDVN 050557
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1256 AM CDT SUN JUN 5 2005

IAC011-051130-
BENTON IA-
1256 AM CDT SUN JUN 5 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 630 AM CDT FOR BENTON
COUNTY...

AT 1245 AM CDT...THUNDERSTORMS PRODUCING HEAVY RAINFALL HAVE MOVED 
OUT OF THE AREA...BUT LIGHT TO MODERATE RAIN WAS CONTINUING AND IS 
EXPECTED TO PERSIST FOR THE NEXT FEW HOURS.  THUS THE THREAT OF 
FLASH FLOODING CONTINUES...PARTICULARLY IN AREAS ALONG AND NEAR A 
LINE FROM BELLE PLAINE TO JUST EAST OF VINTON.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BELLE 
PLAINE...AND VAN HORNE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING...ESPECIALLY WHILE DRIVING.

LAT...LON 4187 9229 4186 9184 4228 9185 4229 9231

$$

WOLF

000 
WGUS73 KDVN 050753
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
252 AM CDT SUN JUN 5 2005

IAC011-050802-
BENTON IA-
252 AM CDT SUN JUN 5 2005

...THE FLASH FLOOD WARNING FOR BENTON COUNTY IS CANCELLED...THE 
RAINS HAVE STOPPED OVER THE COUNTY AND WATER ARE RECEDING.   
THEREFORE THE FLASH FLOOD WARNING HAS BEEN CANCELLED.

LAT...LON 4187 9229 4186 9184 4228 9185 4229 9231

$$

NICHOLS

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 8:53 PM CDT	Severe Thunderstorm Warning	DVN	Benton	67 min
Jun 4, 9:10 PM CDT	Severe Thunderstorm Warning	DVN	Van Buren	35 min
Jun 4, 9:29 PM CDT	Tornado Warning	DVN	Jefferson, Van Buren	46 min
Jun 4, 9:45 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa, Keokuk	60 min
Jun 4, 10:03 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Linn	57 min
Jun 4, 10:13 PM CDT	Tornado Warning	DVN	Iowa, Jefferson, Johnson, Keokuk, Washington	47 min
Jun 4, 10:21 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware	56 min
Jun 4, 10:39 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Linn	56 min
Jun 4, 10:56 PM CDT	Severe Thunderstorm Warning	DVN	Iowa, Johnson, Linn	42 min
Jun 4, 11:01 PM CDT	Tornado Warning	DVN	Linn	40 min
Jun 4, 11:04 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Lee, Van Buren	50 min
Jun 4, 11:22 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Jones	50 min
Jun 4, 11:51 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	39 min
Jun 4, 11:59 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Muscatine, Scott	42 min

Nearby

Flash Flood Warnings in Iowa, 2005 Every flash flood warning in 2005

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.