Alert archive / Iowa / Flash Flood Warnings in 2004
Flash Flood Warning 21, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 14, 2004, 6:15 AM CDT for Jefferson 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
- Jun 14, 2004, 6:15 AM CDT (11:15 UTC)
- Expired
- Jun 14, 2004, 12:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Counties, with a storm outline in the text
County Jefferson County, IA
The radar
The Quad Cities radar (KDVN), 134 km from the middle of the area, began a volume at 11:14 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.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 11.3 hours before the alert went out and 140 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
- 791 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1142 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 20 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 141115 FFWDVN IAC101-141700- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 615 AM CDT MON JUN 14 2004 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... JEFFERSON COUNTY IN SOUTHEAST IOWA * UNTIL 1200 PM CDT * AT 609 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM MULTIPLE THUNDERSTORMS MOVING OVER JEFFERSON COUNTY. THE MOST RECENT THUNDERSTORMS WAS 6 MILES WEST OF LOCKRIDGE...OR ABOUT 6 MILES EAST OF FAIRFIELD...MOVING EAST AT 40 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PLEASANT PLAIN...PACKWOOD...LIBERTYVILLE AND ABINGDON. NEARLY 2 INCHES OF RAINFALL HAS ALREADY FALLEN ACROSS THE CENTRAL AND SOUTHERN PORTIONS OF JEFFERSON COUNTY. ADDITIONAL RAINFALL OF 1 TO 2 INCHES IS POSSIBLE AS MORE THUNDERSTORMS ARE EXPECTED TO MOVE ACROSS THE AREA IN THE NEXT 2 TO 3 HOURS. FLOODING OF SMALL STREAMS AND CREEKS...HIGHWAYS AND STREETS... UNDERPASSES AND LOW LYING URBAN AND RURAL AREAS IS LIKELY. LAT...LON 4114 9217 4090 9219 4091 9174 4116 9171 $$ LRE
2 follow-up statements
000 WGUS73 KDVN 141304 FFSDVN IAC101-141700- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 804 AM CDT MON JUN 14 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL NOON CDT FOR JEFFERSON COUNTY... AT 755 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING IN FAIRFIELD...WITH SOME ROAD INTERSECTIONS CLOSED IN DOWN DUE TO THE AMOUNT OF WATER OVER THE ROAD. MULTIPLE STRONG THUNDERSTORMS WITH HEAVY RAIN MOVED OVER THE AREA BETWEEN 6 AND 8 AM...PRODUCING 2 TO 3 INCHES OF RAINFALL. MORE...WEAKER THUNDERSTORMS ARE EXPECTED THROUGH 9 AM THIS MORNING... AND THEN SHOULD END. UP TO ANOTHER HALF INCH OF RAINFALL IS POSSIBLE BEFORE THE RAIN ENDS THIS MORNING. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FAIRFIELD...PLEASANT PLAIN...PACKWOOD...LIBERTYVILLE...BATAVIA AND ABINGDON. FLOODING OF SMALL STREAMS AND CREEKS...HIGHWAYS AND STREETS... UNDERPASSES AND LOW LYING URBAN AND RURLAL AREAS IS LIKELY. LAT...LON 4114 9217 4090 9219 4091 9174 4116 9171 $$ LRE
000 WGUS73 KDVN 141729 FFSDVN IAC101-141800- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 1230 PM CDT MON JUN 14 2004 ...FLASH FLOOD WARNING FOR JEFFERSON COUNTY HAS BEEN ALLOWED TO EXPIRE AT NOON... AT 1215 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT THE FLOODING PROBLEMS IN FAIRFIELD AND OTHER PORTIONS OF THE COUNTY HAVE SUBSIDED. EARLIER THIS MONDAY MORNING...MULTIPLE STRONG THUNDERSTORMS WITH HEAVY RAIN MOVED OVER THE WARNING AREA BETWEEN 6 AND 8 AM AND PRODUCED 2 TO 3 INCHES OF RAINFALL. THE HEAVY RAIN PRODUCING THUNDERSTORMS HAVE SHIFTED TO THE SOUTH OF THE AREA IN NORTHEAST MISSOURI...AND ADDITIONAL HEAVY RAIN IS NOT EXPECTED TO AFFECT JEFFERSON COUNTY FOR THE REST OF THE DAY. THUS THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. CAUTION SHOULD STILL BE USED AROUND SMALL STREAMS AND CREEKS... STREETS...UNDERPASSES AND LOW LYING URBAN AND RURAL AREAS IN JEFFERSON COUNTY THAT STILL MAY HAVE LINGERING STANDING WATER. LAT...LON 4114 9217 4090 9219 4091 9174 4116 9171 $$ 12
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 6:11 AM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 49 min |
| Jun 14, 6:18 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Muscatine | 27 min |
| Jun 14, 6:39 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 51 min |
| Jun 14, 7:18 AM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 27 min |
| Jun 14, 7:20 AM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 25 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; radar from the NEXRAD Level II archive.