Alert archive / Iowa / Flash Flood Warnings in 2004
Flash Flood Warning 24, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 16, 2004, 3:29 PM CDT for Clinton 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, 3:29 PM CDT (20:29 UTC)
- Expired
- Jun 17, 2004, 12:30 AM CDT
- In force
- 9 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Counties, with a storm outline in the text
County Clinton County, IA
The radar
The Quad Cities radar (KDVN), 31 km from the middle of the area, began a volume at 20:32 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, 8.5 hours before the alert went out and 33 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 162036
FFWDVN
IAC045-170530-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
329 PM CDT WED JUN 16 2004
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CLINTON COUNTY IN EAST CENTRAL IOWA
* UNTIL 1230 AM CDT
* AT 327 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN PRODUCING THUNDERSTORMS CONTINUOUSLY REDEVELOPING
ESPECIALLY FROM CALAMUS AND GRAND MOUND...TO WELTON AND DELMAR.
DOPPLER RADAR ESTIMATES THAT 1.5 TO 2 INCHES OF RAIN HAS FALLEN
IN THE LAST 90 MINUTES IN OR NEAR THESE LOCATIONS. THIS HEAVY RAIN
MAY CAUSE RAPID RISES ON BARBER CREEK...CRYSTAL CREEK AND
CALAMUS CREEK. ALSO...ADDITIONAL THUNDERSTORMS CONTAINING VERY
HEAVY RAIN WILL LIKELY MOVE BACK INTO THE COUNTY THIS EVENING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WHEATLAND...LOST NATION...GRAND MOUND...DELMAR...DEWITT...CHARLOTTE
AND CALAMUS.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF FLOOD-PRONE
AND LOW LYING AREAS. MOVE IMMEDIATELY FROM THESE AREAS TO HIGHER
GROUND.
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 4179 9087 4177 9053 4202 9036 4202 9084
$$
MCCLURE3 follow-up statements
000 WGUS73 KDVN 162209 FFSDVN IAC045-170530- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 509 PM CDT WED JUN 16 2004 ...FLASH FLOOD WARNING CONTINUES FOR CLINTON COUNTY UNTIL 1230 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWS THE HEAVY RAIN PRODUCING THUNDERSTORMS HAVE EXITED THE COUNTY FOR THE TIME BEING. HOWEVER...ADDITIONAL HEAVY RAIN PRODUCING THUNDERSTORMS ARE ORGANIZING FROM WATERLOO TO EAST OF CEDAR RAPIDS. THESE THUNDERSTORMS WILL MOVE BACK THROUGH CLINTON COUNTY THIS EVENING. DOPPLER RADAR ESTIMATES THAT AS MUCH AS 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN FROM CALAMUS...TO GRAND MOUND. ANY ADDITIONAL HEAVY RAIN WILL AGGRAVATE ANY ONGOING FLOODING...OR PRODUCE NEW FLOODING WITH THE GROUND SATURATED. DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE WATER MAY BE TOO DEEP TO CROSS SAFELY OR THE ROAD COULD BE WASHED OUT. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. REPORT ANY HIGH WATER OR FLASH FLOODING TO YOUR NEAREST LOCAL LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES. $$ MCCLURE
000 WGUS73 KDVN 170102 FFSDVN IAC045-170530- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 802 PM CDT WED JUN 16 2004 ...FLASH FLOOD WARNING CONTINUES FOR CLINTON COUNTY UNTIL 1230 AM... SHOWERS AND THUNDERSTORMS WILL MOVE BACK ACROSS CLINTON COUNTY THROUGH 11 PM. THE THUNDERSTORMS WILL BRING ADDITIONAL HEAVY RAINFALL OF 1 TO 2 INCHES...ESPECIALLY FROM WELTON...TO DELMAR... ELDWOOD...LOST NATION...WHEATLAND. THIS HEAVY RAIN WILL AGGRAVATE ANY ONGOING FLOODING OR PRODUCE ADDITIONAL FLOODING...AS IT FALLS ON ALREADY SATURATED GROUND. 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 170537 FFSDVN IAC045-170630- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 1235 AM CDT THU JUN 17 2004 ...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT UNTIL 1230 AM CDT FOR CLINTON COUNTY HAS BEEN ALLOWED TO EXPIRE... THE HEAVY RAINFALL HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS HAVE RECEDED OR ARE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. EVEN THOUGH STREAMS AND CREEKS ARE RECEDING...SOME ROADWAYS MAY STILL BE COVERED WITH WATER. MOTORISTS ARE ADVISED TO AVOID DRIVING THROUGH FLOODED ROADWAYS. REA
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, 19 minutes earlier.
Area forecast discussion, Jun 16, 3:10 PM CDT, 19 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, 10 hours 5 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, 3 hours 10 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, 1 hour 9 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
&&
14The 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, 6:17 PM CDT | Flash Flood Warning | DVN | Delaware, Dubuque, Jones | 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.