Alert archive / Illinois / Flash Flood Warnings in 2004
Flash Flood Warning 8, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at May 23, 2004, 4:28 AM CDT for Jo Daviess County, Illinois. It was in force for 3 hr. 3 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
- May 23, 2004, 4:28 AM CDT (09:28 UTC)
- Expired
- May 23, 2004, 7:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Counties, with a storm outline in the text
County Jo Daviess County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 23, 4:30 AM CDT | HEAVY RAIN 1.25 | Galena, IL | 1.25 INCHES IN 30 MINUTES, 4.25 INCHES TOTAL SINCE FRIDAY. |
| May 23, 6:52 AM CDT | FLASH FLOOD | Galena, IL | DEBRIS FROM FLOODWATERS ACROSS ROAD IN GALENA. |
| May 23, 6:52 AM CDT | FLASH FLOOD | Hanover, IL | FLOODING IN CITY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 9.5 hours before the alert went out and 277 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
- 1518 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1522 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KDVN 230933 FFWDVN ILC085-231230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 428 AM CDT SUN MAY 23 2004 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... JO DAVIESS COUNTY IN NORTHWEST ILLINOIS * UNTIL 730 AM CDT * AT 424 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT FLASH FLOODING WAS OCCURING IN THE HANOVER AND GALENA AREAS. RADAR ESTIMATES OF 2 TO 3 INCHES OVERNIGHT ACROSS JO DAVIESS COUNTY HAVE BROUGHT STREAMS OUT OF THEIR BANKS AND CAUSED FLOODING ON SOME ROADWAYS. THUNDERSTORMS WILL END SHORTLY...BUT LIGHT TO MODERATE RAIN WILL CONTINUE...ON AND OFF...THROUGH THE MORNING...ENDING BY 10 AM. DO NOT DRIVE ON FLOODED ROADS. MOST FATALITIES OCCUR IN VEHICLES SWEPT AWAY IN FLOOD WATERS AS SHALLOW AS 1 FOOT. LAT...LON 4221 9030 4223 8996 4249 8995 4251 9052 $$ REA
3 follow-up statements
000 WGUS73 KDVN 231003 FFSDVN IAC011-019-055-061-105-113-ILC085-231300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 5 AM CDT SUN MAY 23 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 8 AM CDT FOR THE FOLLOWING COUNTIES IN NORTHEAST AND EAST CENTRAL IOWA...DUBUQUE...DELAWARE... BUCHANAN...JONES...BENTON AND LINN... ...A FLASH FLOOD WARNING CONTINUES UNTIL 730 AM FOR JO DAVIESS COUNTY IN NORTHWEST ILLINOIS... AT 5 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED WIDESPREAD MODERATE RAIN ACROSS EASTERN IOWA AND NORTHWEST ILLINOIS...WITH A FEW STRONG THUNDERSTORMS PRODUCING HEAVY RAINFALL IN JO DAVIESS AND STEPHENSON COUNTIES IN NORTHWEST ILLINOIS. NUMEROUS CREEKS AND SMALL STREAMS WERE REPORTED OUT OF THEIR BANKS IN THE WARNED COUNTIES...AS WELL AS NUMEROUS REPORTS OF SUBSTANTIAL WATER STANDING OVER ROADS AND IN DRAINAGE DITCHES. AT 4 AM CDT...THE BUCHANAN COUNTY EMERGENCY MANAGER REPORTED THE RESIDENTS ALONG MALONE CREEK IN THE TOWN OF INDEPENDENCE WERE BEING EVACUATED DUE TO RISING WATERS. BRIDGES WERE REPORTED OUT IN PARTS OF THE COUNTY. THE TOWN OF LAMONT HAS BEEN EVACUATED DUE TO RISING WATER ON THE SOUTH FORK OF THE MAQUOKETA RIVER. AT 450 AM CDT...STREET FLOODING WAS REPORTED IN GALENA IN JO DAVIESS COUNTY. IF YOU HAVE INTERESTS ALONG BUFFALO...BUCK...OTTER...PLEASANT...AND SILVER CREEKS...AND THE NORTH AND SOUTH FORKS OF THE MAQUOKETA RIVER...BE PREPARED FOR RAPIDLY RISING WATER. FLOODING WILL BE OCCURRING ALONG THE UPPER REACHES OF THE WAPSIPINICON RIVER IN BUCHANAN AND LINN COUNTIES. THIS IS A VERY SERIOUS FLASH FLOODING SITUATION. THE GROUND HAS ALREADY BEEN SATURATED BY RECENT RAINFALL. ADDITIONAL HEAVY RAIN HAS RESULTED IN EXCESSIVE RUNOFF WITH FLASH FLOODING IN THE WARNED AREA. DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE WATER MAY BE TOO DEEP TO CROSS SAFELY OR THE ROAD COULD BE WASHED OUT. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. $$ WOLF
000 WGUS73 KDVN 231107 FFSDVN ILC085-231230- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 600 AM CDT SUN MAY 23 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 730 AM CDT FOR JO DAVIESS COUNTY IN NORTHWEST ILLINOIS... AT 555 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT HEAVY RAIN PRODUCING THUNDERSTORMS HAVE MOVED EAST OF THE WARNING AREA...BUT LIGHTER RAINS WERE STILL PROGRESSING THROUGH JO DAVIESS COUNTY. EVEN THIS LIGHTER RAIN WILL AGGRAVATE ANY FLASH FLOODING OR NUISANCE FLOODING PROBLEMS THROUGH AT LEAST 730 AM CDT....THUS THE FLASH FLOOD WARNING WILL BE ALLOWED TO CONTINUE. THE GROUND HAS ALREADY BEEN SATURATED BY RECENT RAINFALL. HEAVY RAINS OVERNIGHT HAVE RESULTED IN EXCESSIVE RUNOFF WITH FLASH FLOODING IN THE WARNED AREA. AT 450 AM CDT...LOCAL LAW ENFORCEMENT REPORTED MANY STREETS INUNDATED WITH SEVERAL INCHES OF WATER IN GALENA. EXCESSIVE RUNOFF FROM THESE OVERNIGHT STORMS HAVE CAUSED FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. IF YOU HAVE INTERESTS ALONG MILL AND RUSH CREEKS...AS WELL AS THE APPLE AND GALENA RIVERS...BE PREPARED FOR RAPIDLY RISING WATER. 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. $$ 12
000 WGUS73 KDVN 231213 FFSDVN ILC085-231230- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 715 AM CDT SUN MAY 23 2004 ...FLASH FLOOD WARNING TO EXPIRE AT 730 AM CDT FOR JO DAVIESS COUNTY IN NORTHWEST ILLINOIS... RAIN HAS SUBSIDED OVER THE JO DAVIESS COUNTY AND THE FLOODING IN GALENA HAS ENDED. THUS THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 730 AM. $$ WOLF
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 10:55 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 50 min |
| May 22, 11:40 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 50 min |
| May 23, 3:21 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 59 min |
Nearby
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.