Alert archive / Iowa / Flash Flood Warnings in 2004
Flash Flood Warning 26, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 16, 2004, 6:17 PM CDT for Delaware County, Dubuque County, Jones County, Iowa. It was in force for 9 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 16, 2004, 6:17 PM CDT (23:17 UTC)
- Expired
- Jun 17, 2004, 3:15 AM CDT
- In force
- 9 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Counties, with a storm outline in the text
Counties Delaware County, IA, Dubuque County, IA, Jones County, IA
The radar
The Quad Cities radar (KDVN), 92 km from the middle of the area, began a volume at 23:19 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.3 hours before the alert went out and 94 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
- 846 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 791 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KDVN 162322
FFWDVN
IAC055-061-105-170815-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
617 PM CDT WED JUN 16 2004
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
DUBUQUE COUNTY IN NORTHEAST IOWA
DELAWARE COUNTY IN NORTHEAST IOWA
JONES COUNTY IN EAST CENTRAL IOWA
* UNTIL 315 AM CDT
* AT 614 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
NUMEROUS HEAVY RAIN PRODUCING THUNDERSTORMS CONTINUOUSLY
REDEVELOPING OVER THE WARNED AREA. DOPPLER RADAR ESTIMATES THAT
AS MUCH AS 1.5 TO 2 INCHES OF RAIN HAS ALREADY FALLEN...
ESPECIALLY FROM DUNDEE...TO SOUTH OF COLESBURG...FROM BANKSTON
TO HOLY CROSS AND BALLTOWN...AND FROM MORLEY AND NEAR OLIN...TO
WEST OF CENTER JUNCTION.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WORTHINGTON...STONE CITY...SHERRILL...SAGEVILLE...RICKARDSVILLE...
PEOSTA...ONSLOW...ONEIDA...NEW VIENNA...MONTICELLO...MANCHESTER...
LUXEMBURG...LANGWORTHY...HOPKINTON...HOLY CROSS...GREELEY...
FARLEY...EPWORTH...EARLVILLE...DYERSVILLE...DURANGO...DELHI...
DELAWARE...CENTRALIA...CENTER JUNCTION...CASCADE...CANTON...
BERNARD...BANKSTON AND ASBURY.
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 4230 9086 4217 9090 4208 9135 4230 9135
4230 9142 4263 9152 4261 9064
$$
MCCLURE3 follow-up statements
000 WGUS73 KDVN 170026 FFSDVN IAC055-061-105-170815- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 725 PM CDT WED JUN 16 2004 ...FLASH FLOOD WARNING CONTINUES FOR DELAWARE...DUBUQUE...JONES COUNTIES UNTIL 315 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO SHOW HEAVY RAIN PRODUCING THUNDERSTORMS OVER THE WARNED AREA...ESPECIALLY FROM NEAR OLIN AND WYOMING...TO CASCADE...PEOSTA...ROCKDALE... SAGEVILLE AND BALLTOWN. DOPPLER RADAR ESTIMATES THAT BETWEEN 2 AND 3 INCHES OF RAIN HAS ALREADY FALLEN IN THESE LOCATIONS. A STORM SPOTTER REPORTED 3 INCHES OF RAIN IN OLIN SINCE 5:30 PM CDT...WITH 1 TO 2 FEET OF WATER COVERING HIGHWAY 38 IN OLIN. WATER WAS ALSO COVERING HIGHWAY E45. DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE WATER MAY BE TOO DEEP TO CROSS SAFELY OR THE ROAD COULD BE WASHED OUT. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. REPORT ANY HIGH WATER OR FLASH FLOODING TO YOUR NEAREST LOCAL LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES. $$ MCCLURE
000 WGUS73 KDVN 170552 FFSDVN IAC055-061-105-170815- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 1240 AM CDT THU JUN 17 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 315 AM CDT FOR DUBUQUE COUNTY IN NORTHEAST IOWA...DELAWARE COUNTY IN NORTHEAST IOWA AND JONES COUNTY IN EAST CENTRAL IOWA... AT 1240 AM CDT...RAIN HAD ENDED IN THE WARNED AREA. HOWEVER... STREAMS ARE STILL OUT OF THEIR BANKS IN MANY AREAS. IN DUBUQUE COUNTY ROUTE 52 NORTH IS CLOSED NEAR SAGEVILLE AND RICKARDSVILLE. WYOMING AND OLIN...IN SOUTHERN JONES COUNTY...HAVE REPORTED SIGNIFICANT FLOODING. FLOODING ON BEAR CREEK...IN THE WYOMING AREA...HAS CLOSED ROUTE X75 SOUTH OF TOWN...AND SEVERAL STREETS IN TOWN ARE ALSO FLOODED. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED... QUICKLY MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE WATER MAY BE TOO DEEP TO CROSS SAFELY OR THE ROAD COULD BE WASHED OUT. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. REA
000 WGUS73 KDVN 170853 FFSDVN IAC055-061-105-170915- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 353 AM CDT THU JUN 17 2004 ...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR DUBUQUE...DELAWARE...AND JONES COUNTIES IN NORTHEAST IOWA...UNTIL 315 AM CDT FOR...HAS BEEN ALLOWED TO EXPIRE... AT 350 AM CDT...RAIN HAS BEEN OUT OF THE WARNED AREA FOR A FEW HOURS...AND MOST CREEKS AND STREAMS WILL HAVE RECEDED. WATER SHOULD ALSO HAVE DRAINED OUT OF MOST LOW LYING FLOOD PRONE AREAS. SOME ROADS ACROSS THE AREA MAY STILL BE CLOSED DUE TO THE FLOODING WEDNESDAY EVENING. IF ANY ROADS STILL HAVE WATER ON THEM...MOTORISTS ARE ADVISED TO AVOID DRIVING THROUGH FLOODED ROADWAYS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...QUICKLY MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE WATER MAY BE TOO DEEP TO CROSS SAFELY OR THE ROAD COULD BE WASHED OUT. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. $$ LE
What forecasters said that day
The local office's own words before this flash flood warning 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 flash flood warning went out at Jun 16, 3:10 PM CDT, 3 hours 7 minutes earlier.
Area forecast discussion, Jun 16, 3:10 PM CDT, 3 hours 7 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE QUAD CITIES IA IL 310 PM CDT WED JUNE 16 2004 .SYNOPSIS... WARM AND MUGGY AIRMASS IN PLACE OVER THE CWA TODAY...WITH LOW PRESSURE MOVING EAST THROUGH WESTERN IOWA. THIS IS CAUSING INTENSE CONVECTION OVER CENTRAL IOWA...MOVING EAST. OTHER MORE SCATTERED STORMS ARE DEVELOPING IN EASTERN IOWA AND NORTHEAST MISSOURI. DUE TO INSTABILITY...SOME SEVERE SEEMS POSSIBLE...BUT MAIN THREAT IS FLOODING. FLOODING HAS ALREADY OCCURRED THIS MORNING IN BUCHANAN CO IOWA...AND NEW CONVECTION HAS PROMPTED ANOTHER FLASH FLOOD WARNING FOR THIS CO IN THE LAST HOUR. .SHORT TERM...(TONIGHT AND THURSDAY) SEVERE WEATHER WILL BE POSSIBLE EARLY THIS EVENING...WITH HEAVY RAIN LINGERING INTO THE EVENING. THE GREATEST THREAT IS OVER NORTHEAST IOWA...WHERE 1 TO 2 INCHES IS LIKELY...WITH LOCALIZED HEAVIER AMOUNTS. LOCAL AMOUNTS WILL BE HIGH IN ISOLATED AREA OVER THE WHOLE CWA...BUT WIDESPREAD HEAVY AMOUNTS ARE LESS LIKELY. MORE RAIN IS EXPECTED THURSDAY AS LOW PRESSURE LINGERS OVER THE AREA. WILL EXTEND THE FFA TIL NOON THURSDAY. DEPENDING ON CONVECTIVE TRENDS...THIS WATCH MAY NEED TO BE EXPANDED SOUTHWARD. ...ERVIN... && .LONG TERM...(THURSDAY NIGHT THROUGH WEDNESDAY)... COMPLICATED FORECAST AS NONLINEAR PROCESSES WILL BE DOMINATING. SHOULD SEE SOME LINGERING SHRA/TSRA THURSDAY EVENING AS INVERTED TROF SLIDES THROUGH THE CWFA. ALL MODELS POINTING TO AN MCS DEVELOPING IN THE PLAINS THURSDAY EVENING. QUESTION IS WHERE WILL IT EVENTUALLY GO. INDICATIONS BY MODELS ARE THAT IT WILL MOVE NEARLY EAST AND AFFECT PART OF THE CWFA IN ITS DECAYING STAGE ON FRIDAY. AFTER THAT...MODELS HAVE DONE CONSIDERABLE FLIP FLOPPING ON WHAT WILL HAPPEN. FOR NOW HAVE OPTED TO MAKE VERY LITTLE CHANGES TO THE FRIDAY NIGHT THROUGH WEDNESDAY TIME PERIOD. WILL LIKELY SEE PERIODS OF DRY WEATHER WITH SUNDAY THE BEST BET. ...08... && .DVN WATCHES/WARNINGS/ADVISORIES... IA...FLOOD WATCH NORTH OF CEDAR RAPIDS TO MAQUOKETA TIL NOON THU. IL...FLOOD WATCH NORTH OF MAQUOKETA TO MT CARROL TIL NOON THU. MO...NONE.
Hazardous weather outlook, Jun 16, 5:24 AM CDT, 12 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 524 AM CDT WED JUN 16 2004 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-171100- 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- 524 AM CDT WED JUN 16 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST IOWA... EAST CENTRAL IOWA...SOUTHEAST IOWA...NORTHWEST ILLINOIS...NORTH CENTRAL ILLINOIS...WEST CENTRAL ILLINOIS AND NORTHEAST MISSOURI. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS THE OUTLOOK AREA NORTHWEST OF A LINE FROM FREEPORT THROUGH THE QUAD CITIES... MOUNT PLEASANT...TO MEMPHIS MISSOURI. SCATTERED THUNDERSTORMS WILL CONTINUE ACROSS EASTERN IOWA NORTH OF HIGHWAY 30 UNTIL MID MORNING. THE MAIN THREAT FROM THESE STORMS WILL BE LOCALLY HEAVY RAINFALL WITH RAIN AMOUNTS AS HIGH ONE INCH IN LESS THAN AN HOUR. LATER THIS AFTERNOON...THUNDERSTORMS WILL DEVELOP ACROSS THE OUTLOOK AREA. THERE WILL BE A SMALL THREAT OF DAMAGING WIND AND LARGE HAIL WITH STORMS...ESPECIALLY OVER EAST CENTRAL AND SOUTHEAST IOWA. A BRIEF WEAK TORNADO IS ALSO POSSIBLE. ALL THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LOCALLY HEAVY RAINFALL AMOUNTS ACROSS THE ENTIRE AREA. TONIGHT...WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER THE AREA. THE MAIN THREAT WILL BE HEAVY RAIN WITH LOCAL RAINFALL AMOUNTS AS HIGH AS 2 TO 3 INCHES. THIS MAY LEAD TO MINOR FLASH FLOODING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY RAIN AND THUNDERSTORMS WILL CONTINUE THROUGH MUCH OF THURSDAY. LOCALLY HEAVY RAINFALL AND MINOR FLOODING WILL BE POSSIBLE. ANOTHER ROUND OF THUNDERSTORMS IS EXPECTED FRIDAY NIGHT INTO SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EARLY EVENING. DLS
In the hours before
Local storm report, Jun 16, 12:19 PM CDT, 5 hours 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1219 PM CDT WED JUN 16 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0602 AM FLASH FLOOD 4 E FAIRBANK 42.64N 91.97W
06/16/2004 BUCHANAN IA PUBLIC
HIGHWAY 281 CLOSED NEAR INTERSECTION OF COUNTY ROAD W13.
0545 AM FLASH FLOOD 1 N HAZLETON 42.63N 91.91W
06/16/2004 BUCHANAN IA EMERGENCY MNGR
HIGHWAY 281 CLOSED JUST WEST OF HIGHWAY 150 INTERSECTION.
WATER OVER ROAD FOR 30 MINUTES.
&&
BLACKLocal storm report, Jun 16, 2:20 PM CDT, 3 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
220 PM CDT WED JUN 16 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0205 PM HAIL INDEPENDENCE 42.47N 91.89W
06/16/2004 0.25 INCH BUCHANAN IA EMERGENCY MNGR
&&
14Local storm report, Jun 16, 3:37 PM CDT, 2 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
337 PM CDT WED JUN 16 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0330 PM HAIL HANOVER 42.25N 90.28W
06/16/2004 0.25 INCH JO DAVIESS IL TRAINED SPOTTER
0320 PM FLASH FLOOD 3 SW AURORA 42.62N 91.73W
06/16/2004 BUCHANAN IA EMERGENCY MNGR
ON THE EAST BRANCH OF BUFFALO CREEK AT 130TH STREET...A
ROAD WAS WASHED OUT AND WATER WAS OVER THE ROAD.
&&
14Local storm report, Jun 16, 3:59 PM CDT, 2 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
359 PM CDT WED JUN 16 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0320 PM LIGHTNING INDEPENDENCE 42.47N 91.89W
06/16/2004 BUCHANAN IA EMERGENCY MNGR
TIME ESTIMATED. LIGHTNING STRUCK RESIDENCE AT 414 7TH AVE
NW BLOWING OUT A TRANSFORMER.
0315 PM HAIL CALAMUS 41.83N 90.76W
06/16/2004 0.50 INCH CLINTON IA PUBLIC
RELAYED BY MEDIA.
&&
14Local storm report, Jun 16, 4:34 PM CDT, 1 hour 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
434 PM CDT WED JUN 16 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0330 PM FLASH FLOOD 3 W STOCKTON 42.35N 90.06W
06/16/2004 JO DAVIESS IL LAW ENFORCEMENT
HIGHWAY 20 WASHED OUT. WATER OVER MANY ROADS ON EASTERN
SIDE OF COUNTY.
&&
BLACKThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 5:58 AM CDT | Flash Flood Warning | DVN | Buchanan | 4 hr |
| Jun 16, 2:17 PM CDT | Flash Flood Warning | DVN | Buchanan | 9 hr |
| Jun 16, 3:29 PM CDT | Flash Flood Warning | DVN | Clinton | 9 hr |
Nearby
Flash Flood Warnings in Iowa, 2004Every flash flood warning in 2004
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.