Alert archive / Iowa / Flash Flood Warnings in 2004
Flash Flood Warning 5, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at May 22, 2004, 3:40 AM CDT for Benton County, Linn County, Iowa. It was in force for 6 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
- May 22, 2004, 3:40 AM CDT (08:40 UTC)
- Expired
- May 22, 2004, 9:15 AM CDT
- In force
- 6 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Counties, with a storm outline in the text
Counties Benton County, IA, Linn County, IA
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 8.7 hours before the alert went out and 341 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 512 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KDVN 220839 FFWDVN IAC011-113-221415- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 340 AM CDT SAT MAY 22 2004 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... BENTON COUNTY IN EAST CENTRAL IOWA LINN COUNTY IN EAST CENTRAL IOWA * UNTIL 915 AM CDT * AT 333 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE BEGINNING TO ENTER BENTON COUNTY. THESE STORMS ARE MOVING EAST AROUND 50 MPH...AND HAVE THE CAPABILITY OF PRODUCING AN ADDITIONAL ONE TO TWO INCHES OF RAIN...WITH LOCALLY HIGHER AMOUNTS. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CEDAR RAPIDS...VINTON...WHITTIER...WAUBEEK...WALKER...WALFORD... VINTON...VAN HORNE...URBANA...TROY MILLS...TODDVILLE... SPRINGVILLE...SHELLSBURG...ROBINS...PARIS...PALO...NORWAY... NEWHALL...MOUNT VERNON...MOUNT AUBURN...MARION...LUZERNE... LISBON...KEYSTONE...HIAWATHA...GARRISON...FAIRFAX...COGGON... CENTRAL CITY...CENTER POINT...CEDAR RAPIDS...BLAIRSTOWN... BERTRAM...BELLE PLAINE...ATKINS AND ALBURNETT. EXCESSIVE RUNOFF FROM THESE STORM WILL CAUSE FLOODING OF FLOOD-PRONE AND LOW LYING AREAS. MOVE IMMEDIATELY FROM THESE AREAS TO HIGHER GROUND. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING...ESPECIALLY WHILE DRIVING. FLOODING OF SMALL STREAMS AND CREEKS...HIGHWAYS AND STREETS... UNDERPASSES AND LOWLYING URBAN AND RURAL AREAS IS LIKELY. PLEASE RELAY YOUR REPORT OF FLOODING TO LAW ENFORCEMENT FOR RELAY TO THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES. LAT...LON 4187 9229 4187 9140 4228 9141 4229 9228 $$ JAZ
3 follow-up statements
000 WGUS73 KDVN 221048 FFSDVN IAC011-113-221415- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 546 AM CDT SAT MAY 22 2004 ...FLASH FLOOD WARNING CONTINUES FOR BENTON AND LINN COUNTIES UNTIL 915 AM CDT... ALTHOUGH THE SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN HAVE EXITED THE AREA...THE FLOODING THREAT STILL PERSISTS. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE FORECAST TO ENTER WESTERN PORTIONS OF THE WARNED AREA BY AROUND 7 AM. IN ADDITION...ANOTHER AREA OF SHOWERS AND THUNDERSTORMS WAS ENTERING CENTRAL IOWA FROM THE WEST. THIS ACTIVITY WILL REACH THE WARNED AREA LATER THIS MORNING. BE ON THE LOOKOUT FOR POSSIBLE ADDITIONAL HEAVY RAIN...AND PROLONGED FLOODING WITH ANY OF THESE STORMS. DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED ROADWAYS. THE WATER MAY BE TOO DEEP TO CROSS SAFELY OR THE ROAD COULD BE WASHED OUT. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. REPORT FLASH FLOODING TO YOUR NEAREST LOCAL LAW ENFORCEMENT AGENCY... FOR RELAY TO THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES. $$ JAZ
000 WGUS73 KDVN 221255 FFSDVN IAC011-113-221415- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 755 AM CDT SAT MAY 22 2004 ...FLASH FLOOD WARNING CONTINUES FOR BENTON AND LINN COUNTIES UNTIL 915 AM CDT... AT 750 AM CDT...ADDITIONAL SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN WERE ENTERING WESTERN PORTIONS OF THE WARNED AREA. THESE STORMS ARE CAPABLE OF PRODUCING ANOTHER 1 TO 2 INCHES OF RAIN...AGGRAVATING THE FLOODING SITUATION. 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 FLASH FLOODING TO YOUR NEAREST LOCAL LAW ENFORCEMENT AGENCY... FOR RELAY TO THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES. $$ JAZ
000 WGUS73 KDVN 221404 FFSDVN IAC011-113-221415- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 905 AM CDT SAT MAY 22 2004 ...FLASH FLOOD WARNING FOR BENTON AND LINN COUNTIES WILL EXPIRE AT 915 AM CDT... ALTHOUGH AREAS OF RAIN WERE FALLING ACROSS PORTIONS OF THE WARNED AREA...NO FLOODING HAS BEEN REPORTED. THUS THE WARNING WILL BE ALLOWED TO EXPIRE AT 915 AM. $$ JAZ
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 2:48 AM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 42 min |
| May 22, 3:21 AM CDT | Flash Flood Warning | DVN | Delaware, Dubuque | 6 hr |
| May 22, 3:29 AM CDT | Severe Thunderstorm Warning | DVN | Jackson | 31 min |
| May 22, 3:55 AM CDT | Severe Thunderstorm Warning | DVN | Clinton, Jackson | 65 min |
| May 22, 9:14 AM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 76 min |
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.