Alert archive / Iowa / Flash Flood Warnings in 2016
Flash Flood Warning 8, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 22, 2016, 1:37 AM CDT for 4 counties in Iowa. It was in force for 6 hr. 17 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 22, 2016, 1:37 AM CDT (06:37 UTC)
- Expired
- Jun 22, 2016, 7:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Benton County, IA, Iowa County, IA, Johnson County, IA, Linn County, IA
The radar
The Quad Cities radar (KDVN), 121 km from the middle of the area, began a volume at 06:38 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 22, 2:00 AM CDT | HEAVY RAIN 2.46 | 1 Sse Cedar Rapids, IA | STORM TOTAL |
| Jun 22, 2:39 AM CDT | HEAVY RAIN 4 | 2 Nnw North Liberty, IA | STORM TOTAL....STILL RAINING |
| Jun 22, 3:06 AM CDT | HEAVY RAIN 2.8 | Atkins, IA | |
| Jun 22, 3:07 AM CDT | HEAVY RAIN 3 | North Liberty, IA | STILL RAINING |
| Jun 22, 3:14 AM CDT | HEAVY RAIN 3.7 | 5 Nw Iowa City, IA | STILLING RAINING...OCCASIONAL PEA SIZE HAIL |
| Jun 22, 3:15 AM CDT | HEAVY RAIN 3.4 | 1 Ssw North Liberty, IA | 2.5 HOUR RAINFALL TOTAL. |
| Jun 22, 4:34 AM CDT | FLASH FLOOD | 1 W Norway, IA | CREEK OUT OF ITS BANKS ON E66 1.5 MILES WEST OF NOWAY AT NEAR THE INTERSECTION WITH 77TH STREET OR BETWEEN NORWAY AND WATKINS. |
| Jun 22, 5:37 AM CDT | HEAVY RAIN 4.9 | 5 Nw Iowa City, IA | 3 RAIN GAUGES WITH REPORTS RANGING FROM 4.60 TO 4.90 INCHES. |
| Jun 22, 5:44 AM CDT | HEAVY RAIN 3.01 | 2 Ne Cedar Rapids, IA | |
| Jun 22, 5:53 AM CDT | HEAVY RAIN 5.27 | 5 Nw Iowa City, IA | |
| Jun 22, 6:15 AM CDT | HEAVY RAIN 3.8 | Atkins, IA | UPDATED TOTAL |
| Jun 22, 6:24 AM CDT | HEAVY RAIN 3.34 | E Solon, IA | |
| Jun 22, 6:34 AM CDT | HEAVY RAIN 5.51 | 1 W North Liberty, IA | RAINFALL SINCE MIDNIGHT. |
| Jun 22, 6:44 AM CDT | HEAVY RAIN 3.31 | 2 Ne Cedar Rapids, IA | UPDATED TOTAL |
| Jun 22, 6:47 AM CDT | HEAVY RAIN 3.31 | 2 Nne Cedar Rapids, IA | |
| Jun 22, 7:00 AM CDT | FLASH FLOOD | 4 Ese Cedar Rapids, IA | SAC AND FOX TRAIL AND PORTIONS OF JONES GOLF COURSE ARE UNDER WATER AND CLOSED. TIME ESTIMATED. |
| Jun 22, 7:04 AM CDT | HEAVY RAIN 4 | 1 Sse Cedar Rapids, IA |
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 00:00Z, 6.6 hours before the alert went out and 126 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
- 2283 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
573 WGUS53 KDVN 220637 FFWDVN IAC011-095-103-113-221230- /O.NEW.KDVN.FF.W.0008.160622T0637Z-160622T1230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 137 AM CDT WED JUN 22 2016 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... JOHNSON COUNTY IN EAST CENTRAL IOWA... LINN COUNTY IN EAST CENTRAL IOWA... NORTHERN IOWA COUNTY IN EAST CENTRAL IOWA... BENTON COUNTY IN EAST CENTRAL IOWA... * UNTIL 730 AM CDT * AT 136 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CEDAR RAPIDS...IOWA CITY...VINTON...MARENGO...MARION... CORALVILLE...NORTH LIBERTY...HIAWATHA...MOUNT VERNON...ROBINS... WILLIAMSBURG...BELLE PLAINE...CENTER POINT...LISBON...FAIRFAX... SOLON...TIFFIN...ELY...ATKINS AND WALFORD. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 4230 9230 4229 9137 4150 9137 4171 9230 $$ GIBBS
3 follow-up statements
836 WGUS73 KDVN 220737 FFSDVN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 237 AM CDT WED JUN 22 2016 IAC011-095-103-113-221230- /O.CON.KDVN.FF.W.0008.000000T0000Z-160622T1230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ JOHNSON IA-LINN IA-IOWA IA-BENTON IA- 237 AM CDT WED JUN 22 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR JOHNSON...LINN...NORTHERN IOWA AND BENTON COUNTIES... AT 236 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. 4 TO 5 INCHES OF RAIN HAVE FALLEN ALONG A LINE FROM VAN HORNE TO CEDAR RAPIDS MUNICIPAL AIRPORT TO NORTH LIBERTY. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CEDAR RAPIDS...IOWA CITY...VINTON...MARENGO...MARION...CORALVILLE... NORTH LIBERTY...HIAWATHA...MOUNT VERNON...ROBINS...WILLIAMSBURG... BELLE PLAINE...CENTER POINT...LISBON...FAIRFAX...SOLON...TIFFIN... ELY...ATKINS AND WALFORD. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. && LAT...LON 4230 9230 4229 9137 4150 9137 4171 9230 $$ GIBBS
906 WGUS73 KDVN 220933 FFSDVN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 433 AM CDT WED JUN 22 2016 IAC011-095-103-113-221230- /O.CON.KDVN.FF.W.0008.000000T0000Z-160622T1230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ JOHNSON IA-LINN IA-IOWA IA-BENTON IA- 433 AM CDT WED JUN 22 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR JOHNSON...LINN...NORTHERN IOWA AND BENTON COUNTIES... AT 429 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. 4 TO 6 INCHES OF RAIN HAVE FALLEN. FLASH FLOODING IS OCCURRING! SOUTH BRANCH OF RALSTON CREEK IN IOWA CITY IS OUT OF ITS BANKS. RAPID CREEK NORTHEAST OF IOWA CITY IS ALSO RISING RAPIFDLY. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CEDAR RAPIDS...IOWA CITY...VINTON...MARENGO...MARION...CORALVILLE... NORTH LIBERTY...HIAWATHA...MOUNT VERNON...ROBINS...WILLIAMSBURG... BELLE PLAINE...CENTER POINT...LISBON...FAIRFAX...SOLON...TIFFIN... ELY...ATKINS AND WALFORD. ADDITIONAL RAINFALL AMOUNTS OF AN INCH ARE POSSIBLE IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 4230 9230 4229 9137 4150 9137 4171 9230 $$ GIBBS
573 WGUS73 KDVN 221230 FFSDVN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 730 AM CDT WED JUN 22 2016 IAC011-095-103-113-221237- /O.EXP.KDVN.FF.W.0008.000000T0000Z-160622T1230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ JOHNSON IA-LINN IA-IOWA IA-BENTON IA- 730 AM CDT WED JUN 22 2016 ...THE FLASH FLOOD WARNING FOR JOHNSON...LINN...NORTHERN IOWA AND BENTON COUNTIES WILL EXPIRE AT 730 AM CDT... LAW ENFORCEMENT IS REPORTING NO LINGERING FLOODING PROBLEMS FROM THE HEAVY RAIN THAT FELL DURING THE OVERNIGHT HOURS. SCATTERED THUNDERSTORMS ARE EXPECTED THIS MORNING...BUT THE THREAT FOR ADDITIONAL SIGNIFICANT FLOODING IS LOW. LAT...LON 4230 9230 4229 9137 4150 9137 4171 9230 $$ RP KINNEY
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 10:06 PM CDT | Special Weather Statement | DVN | Jefferson, Van Buren | 24 min |
| Jun 21, 11:13 PM CDT | Special Weather Statement | DVN | Iowa | 32 min |
| Jun 21, 11:16 PM CDT | Special Weather Statement | DVN | Jefferson, Keokuk, Washington | 59 min |
| Jun 22, 12:00 AM CDT | Special Weather Statement | DVN | Keokuk, Washington | 30 min |
| Jun 22, 2:56 AM CDT | Special Weather Statement | DVN | Louisa | 49 min |
| Jun 22, 3:02 AM CDT | Severe Thunderstorm Warning | DVN | Louisa | 43 min |
| Jun 22, 3:07 AM CDT | Special Weather Statement | DVN | Johnson | 38 min |
| Jun 22, 3:22 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 53 min |
| Jun 22, 4:18 AM CDT | Flash Flood Warning | DVN | Johnson, Louisa, Muscatine, Washington | 6 hr |
| Jun 22, 4:23 AM CDT | River Flood Warning | DVN | Cedar, Louisa, Muscatine | 3 days |
| Jun 22, 4:23 AM CDT | Heat Advisory | DVN | Des Moines, Henry, Jefferson, Lee, Van Buren | 15 hr |
| Jun 22, 9:13 AM CDT | Special Weather Statement | DVN | Benton, Cedar, Johnson, Linn, Louisa, Muscatine | 3 hr |
| Jun 22, 9:54 AM CDT | River Flood Watch | DVN | Louisa | 63 hr |
| Jun 22, 9:54 AM CDT | River Flood Watch | DVN | Louisa | 4 days |
| Jun 22, 9:54 AM CDT | River Flood Watch | DVN | Louisa | 4 days |
| Jun 22, 6:25 PM CDT | Special Weather Statement | DVN | Clinton | 35 min |
Nearby
Flash Flood Warnings in Iowa, 2016Every flash flood warning in 2016
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.