Alert archive / Iowa / Flash Flood Warnings in 2010
Flash Flood Warning 21, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 18, 2010, 6:17 PM CDT for Benton County, Linn County, Iowa. It was in force for 6 hr. 13 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 18, 2010, 6:17 PM CDT (23:17 UTC)
- Expired
- Jun 19, 2010, 12:15 AM CDT
- In force
- 6 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Benton County, IA, Linn County, IA
The radar
The Quad Cities radar (KDVN), 125 km from the middle of the area, began a volume at 23:17 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 18, 6:17 PM CDT | FLASH FLOOD | 5 Nne Cedar Rapids, IA | STREET FLOODING. |
| Jun 18, 6:30 PM CDT | FLASH FLOOD | Marion, IA | INDIAN CREEK OUT OF ITS BANKS NEAR BOYSON ROAD AND 10TH STREET. |
| Jun 18, 6:50 PM CDT | FLASH FLOOD | Vinton, IA | RELAYED REPORTS OF WATER OVER HIGHWAY 218 3 MILES SOUTH OF VINTON WITH WIDESPREAD STREET FLOODING IN VINTON. ALSO REPORTED STREET FLOODING IN GARRISON. HINKEL CREEK NEAR GARRISON IS RISING RAPIDLY. |
| Jun 18, 7:00 PM CDT | HEAVY RAIN 0 | Cedar Rapids, IA | SPOTTER REPORTS SOME STREET FLOODING NEAR ST. LUKES HOSPITAL. ALSO REPORTED BRANCHES TO 1 INCH DOWN IN THE AREA. |
| Jun 18, 7:00 PM CDT | HEAVY RAIN 1 | 1 Sse Cedar Rapids, IA | MEASURED IN 20 MINUTES. |
| Jun 18, 7:00 PM CDT | HEAVY RAIN 1.5 | Shellsburg, IA | MEASURED RAINFALL FROM JUST THIS ROUND OF THUNDERSTORMS. |
| Jun 18, 7:08 PM CDT | FLASH FLOOD | 5 Nne Cedar Rapids, IA | DRY RUN CREEK OUT OF ITS BANKS IN MARION. |
| Jun 18, 7:11 PM CDT | HEAVY RAIN 1.6 | 1 Sse Cedar Rapids, IA | DURING PAST 30 MINUTES. RAIN HAS BEGUN TO LET UP. |
| Jun 18, 7:14 PM CDT | FLASH FLOOD | 1 Ne Marion, IA | STREETS FLOODING. WATER UP TO 6 INCHES DEEP. ALSO MANY YARDS ARE FLOODED. |
| Jun 18, 7:30 PM CDT | HEAVY RAIN 2.3 | 3 Nnw Cedar Rapids, IA | RAINFALL SINCE 12 PM. LIGHT RAIN STILL FALLING. |
| Jun 18, 7:55 PM CDT | HEAVY RAIN 2.3 | 2 Wnw Cedar Rapids, IA | |
| Jun 18, 8:42 PM CDT | HEAVY RAIN 3.43 | 1 Sse Cedar Rapids, IA | TOTAL RAINFALL SINCE MIDNIGHT |
| Jun 18, 8:54 PM CDT | HEAVY RAIN 3 | Bertram, IA | MEASURED 2.25 INCHES SINCE 11AM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.3 hours before the alert went out and 131 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
- 48 J/kg
- Mixed-layer CIN
- -560 J/kg
- Mixed-layer LCL
- 1673 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
462 WGUS53 KDVN 182317 FFWDVN IAC011-113-190515- /O.NEW.KDVN.FF.W.0021.100618T2317Z-100619T0515Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 617 PM CDT FRI JUN 18 2010 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... BENTON COUNTY IN EAST CENTRAL IOWA... THIS INCLUDES THE CITY OF VINTON... LINN COUNTY IN EAST CENTRAL IOWA... THIS INCLUDES THE CITY OF CEDAR RAPIDS... * UNTIL 1215 AM CDT * AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM THUNDERSTORMS OVER THE WARNED AREA. THUNDERSTORMS TRAINING OVER THE SAME AREA WILL PRODUCE RAINFALL AMOUNTS OF 1 TO 3 INCHES ON TOP OF HEAVIER RAINS EARLIER TODAY. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHITTIER... WAUBEEK...VIOLA...TODDVILLE...SPRINGVILLE...ROBINS...PALO...MOUNT VERNON...MARION...LISBON...HIAWATHA...FAIRFAX...ELY...CEDAR RAPIDS MUNICIPAL AIRPORT...BERTRAM...ALBURNETT...WALFORD...VAN HORNE... NORWAY...NEWHALL...LUZERNE...BLAIRSTOWN...BELLE PLAINE AND ATKINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE ON FLOODED ROADS. MOST FATALITIES OCCUR IN VEHICLES SWEPT AWAY IN FLOOD WATERS AS SHALLOW AS 1 FOOT. FLOODING OF SMALL STREAMS AND CREEKS...HIGHWAYS AND STREETS... UNDERPASSES AND LOW LYING URBAN AND RURAL AREAS IS LIKELY. && LAT...LON 4229 9231 4229 9137 4185 9137 4186 9231 $$ HAASE
2 follow-up statements
148 WGUS73 KDVN 190021 FFSDVN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 721 PM CDT FRI JUN 18 2010 IAC011-113-190515- /O.CON.KDVN.FF.W.0021.000000T0000Z-100619T0515Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BENTON IA-LINN IA- 721 PM CDT FRI JUN 18 2010 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR LINN AND BENTON COUNTIES... AT 716 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED AREA. NUMEROUS REPORTS OF FLASH FLOODING OF STREETS AND CREEKS HAVE BEEN RECEIVED. THUNDERSTORMS WILL CONTINUE MAINLY IN LINN COUNTY THROUGH 9 PM. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHITTIER... WAUBEEK...WALKER...VIOLA...TROY MILLS...TODDVILLE...ROBINS... PRAIRIEBURG...PARIS...COGGON...CENTRAL CITY...CENTER POINT... ALBURNETT...VINTON...URBANA...SHELLSBURG...MOUNT AUBURN AND GARRISON. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE ON FLOODED ROADS. MOST FATALITIES OCCUR IN VEHICLES SWEPT AWAY IN FLOOD WATERS AS SHALLOW AS 1 FOOT. FLOODING OF SMALL STREAMS AND CREEKS...HIGHWAYS AND STREETS... UNDERPASSES AND LOW LYING URBAN AND RURAL AREAS IS LIKELY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR EASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI. && LAT...LON 4229 9231 4229 9137 4185 9137 4186 9231 $$ HAASE
372 WGUS73 KDVN 190508 FFSDVN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 1208 AM CDT SAT JUN 19 2010 IAC011-113-190515- /O.EXP.KDVN.FF.W.0021.000000T0000Z-100619T0515Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BENTON IA-LINN IA- 1208 AM CDT SAT JUN 19 2010 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1215 AM CDT FOR LINN AND BENTON COUNTIES... THE THREAT FOR THUNDERSTORMS AND HEAVY RAIN HAS ENDED. THEREFORE THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. LAT...LON 4229 9231 4229 9137 4185 9137 4186 9231 $$
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 9:54 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Delaware, Iowa, Johnson, Linn | 51 min |
| Jun 18, 12:05 AM CDT | Special Weather Statement | DVN | Benton, Delaware, Dubuque, Jones, Linn | 55 min |
| Jun 18, 12:51 AM CDT | Special Weather Statement | DVN | Cedar, Clinton, Iowa, Jackson, Johnson, Muscatine and 2 more | 54 min |
| Jun 18, 11:20 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Iowa | 55 min |
| Jun 18, 11:49 AM CDT | Special Weather Statement | DVN | Jefferson, Keokuk, Washington | 56 min |
| Jun 18, 11:58 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Linn | 62 min |
| Jun 18, 12:35 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Jones, Linn, Muscatine | 55 min |
| Jun 18, 12:59 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Louisa, Washington | 61 min |
| Jun 18, 1:04 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson, Muscatine, Scott | 56 min |
| Jun 18, 1:36 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 54 min |
| Jun 18, 2:07 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 53 min |
| Jun 18, 5:30 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Buchanan, Delaware, Linn | 60 min |
| Jun 18, 5:41 PM CDT | Flash Flood Warning | DVN | Buchanan, Delaware | 2 hr |
| Jun 18, 6:04 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Delaware, Dubuque, Jackson, Jones and 1 more | 56 min |
| Jun 18, 6:26 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 34 min |
| Jun 18, 6:41 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Jones, Scott | 49 min |
Nearby
Flash Flood Warnings in Iowa, 2010Every flash flood warning in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.