Alert archive / Illinois / Flash Flood Warnings in 2004
Flash Flood Warning 25, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 16, 2004, 4:56 PM CDT for Stephenson County, Illinois. It was in force for 9 hr. 4 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 16, 2004, 4:56 PM CDT (21:56 UTC)
- Expired
- Jun 17, 2004, 2:00 AM CDT
- In force
- 9 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Counties, with a storm outline in the text
County Stephenson County, IL
The radar
The Quad Cities radar (KDVN), 103 km from the middle of the area, began a volume at 21:58 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 16, 5:30 PM CDT | FLASH FLOOD | 3 W Cedarville, IL | CULVERT WASHED OUT ON SCIOTO MILLS RD NEAR BEAVER RD AND CEDARVILLE RD. SMALL TREE LIMBS ALSO DOWN. |
| Jun 16, 5:40 PM CDT | HEAVY RAIN 2 | Cedarville, IL | RECEIVED ABOUT 2 INCHES IN AN HOUR. CULVERTS FULL. |
| Jun 16, 7:33 PM CDT | FLASH FLOOD | 2 Ne Lena, IL | WADDAMS CREEK OUT OF BANKS NORTHEAST OF LENA. RINK AND UNITY ROADS CLOSED EAST OF LENA. |
| Jun 16, 7:33 PM CDT | FLASH FLOOD | Pearl City, IL | YELLOW CREEK OUT OF BANKS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this flash flood warning; the first came 34 minutes after it went out.
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, 9.9 hours before the alert went out and 98 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 162201 FFWDVN ILC177-170700- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 456 PM CDT WED JUN 16 2004 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... STEPHENSON COUNTY IN NORTHWEST ILLINOIS * UNTIL 200 AM CDT * AT 453 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN PRODUCING THUNDERSTORMS NEARLY STATIONARY FROM KENT AND LENA...TO MC CONNELL AND RED OAK...WHERE RADAR ESTIMATES AS MUCH AS 1.5 TO 2 INCHES OF RAIN HAS ALREADY FALLEN. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINSLOW... PEARL CITY AND CEDARVILLE. FLASH FLOODING IS LIKELY ON WADDAMS CREEK AND SPRING CREEK. RAPID RISES MAY ALSO OCCUR ON THE SOUTH FORK OF APPLE RIVER...WITH SOME RISE POSSIBLE ON THE PECATONICA RIVER. 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 4221 8991 4221 8970 4249 8946 4250 8991 $$ MCCLURE
1 follow-up statement
000 WGUS73 KDVN 162345 FFSDVN ILC177-170700- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 644 PM CDT WED JUN 16 2004 ...FLASH FLOOD WARNING CONTINUES FOR STEPHENSON COUNTY UNTIL 200 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWS THE HEAVY RAIN PRODUCING THUNDERSTORMS HAVE EXITED THE COUNTY FOR THE TIME BEING. ADDITIONAL HEAVY RAIN PRODUCING THUNDERSTORMS ARE ORGANIZING OVER NORTHEAST IOWA AND WILL LIKELY MOVE BACK INTO THE COUNTY LATER THIS EVENING. DOPPLER RADAR AND SPOTTER REPORTS INDICATE THAT BETWEEN 2 AND 3 INCHES HAS FALLEN FROM THE STORMS EARLIER FROM NEAR LENA...TO MC CONNELL...RED OAK AND CEDARVILLE. ADDITIONAL HEAVY RAIN LATER THIS EVENING WILL AGGRAVATE ANY ONGOING FLOODING...OR PRODUCE NEW FLOODING WITH THE GROUND SATURATED. DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE WATER MAY BE TOO DEEP TO CROSS SAFELY OR THE ROAD COULD BE WASHED OUT. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. REPORT ANY HIGH WATER OR FLASH FLOODING TO YOUR NEAREST LOCAL LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES. $$ MCCLURE
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, 1 hour 46 minutes earlier.
Area forecast discussion, Jun 16, 3:10 PM CDT, 1 hour 46 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, 11 hours 32 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, 4 hours 37 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, 2 hours 36 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, 1 hour 19 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, 57 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, 22 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.
&&
BLACKNearby
Flash Flood Warnings in Illinois, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.