Alert archive / Iowa / Flash Flood Warnings in 2012
Flash Flood Warning 9, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 16, 2012, 5:24 PM CDT for Jefferson County, Van Buren County, Iowa. It was in force for 4 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, 2012, 5:24 PM CDT (22:24 UTC)
- Expired
- Jun 16, 2012, 9:39 PM CDT
- In force
- 4 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jefferson County, IA, Van Buren County, IA
The radar
The Quad Cities radar (KDVN), 144 km from the middle of the area, began a volume at 22:28 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 12:00Z, 10.4 hours before the alert went out and 151 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
- 208 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 515 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
127 WGUS53 KDVN 162224 FFWDVN IAC101-177-170415- /O.NEW.KDVN.FF.W.0009.120616T2224Z-120617T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 524 PM CDT SAT JUN 16 2012 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN JEFFERSON COUNTY IN SOUTHEAST IOWA... NORTHERN VAN BUREN COUNTY IN SOUTHEAST IOWA... THIS INCLUDES THE CITY OF KEOSAUQUA... * UNTIL 1115 PM CDT * AT 514 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN AND POTENTIAL FLASH FLOODING FROM THUNDERSTORMS OVER THE WARNED AREA. 2 TO OVER 3 INCHES OF RAIN HAS FALLEN OVER THE AREA SINCE THIS AFTERNOON. AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS POSSIBLE THROUGH 8 PM. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LOCKRIDGE...LIBERTYVILLE...STOCKPORT...DOUDS/LEANDO AND BIRMINGHAM. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE REPORT ANY FLOODING OR DAMAGE TO YOUR LOCAL LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. && LAT...LON 4094 9218 4103 9172 4075 9172 4067 9218 $$ MAS
2 follow-up statements
449 WGUS73 KDVN 170027 FFSDVN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 727 PM CDT SAT JUN 16 2012 IAC101-177-170415- /O.CON.KDVN.FF.W.0009.000000T0000Z-120617T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ VAN BUREN IA-JEFFERSON IA- 727 PM CDT SAT JUN 16 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR SOUTHERN JEFFERSON AND NORTHERN VAN BUREN COUNTIES... AT 716 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED 3 TO 5 INCHES OF RAIN HAD FALLEN OVER MUCH OF THE AREA FROM SEVERAL ROUNDS OF THUNDERSTORMS. ALTHOUGH THE RAIN HAS JUST RECENTLY ENDED...THE THREAT OF FLASH FLOODING WILL CONTINUE THIS EVENING IN RESPONSE TO THE EARLIER VERY HEAVY RAIN. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO STOCKPORT AND BIRMINGHAM. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING...ESPECIALLY WHILE DRIVING. PLEASE REPORT ANY FLOODING OR DAMAGE TO YOUR LOCAL LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. && LAT...LON 4091 9218 4100 9172 4075 9172 4067 9218 $$ MAS
348 WGUS73 KDVN 170239 FFSDVN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 939 PM CDT SAT JUN 16 2012 IAC101-177-170246- /O.CAN.KDVN.FF.W.0009.000000T0000Z-120617T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ VAN BUREN IA-JEFFERSON IA- 939 PM CDT SAT JUN 16 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN JEFFERSON AND NORTHERN VAN BUREN COUNTIES... THE COMPLEX OF THUNDERSTORMS THAT HAD PRODUCED VERY HEAVY RAIN ACROSS THE WARNED AREA EARLIER IN THE EVENING HAVE MOVED OFF TO THE EAST. THEREFORE THE FLASH FLOOD WARNING FOR JEFFERSON AND VAN BUREN COUNTIES HAS BEEN CANCELLED. LAT...LON 4091 9218 4100 9172 4075 9172 4067 9218 $$ MAS
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 2:27 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry | 36 min |
| Jun 16, 4:25 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Lee, Van Buren, Washington | 65 min |
| Jun 16, 5:13 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Johnson, Louisa, Muscatine, Washington | 47 min |
| Jun 16, 5:31 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 44 min |
Nearby
Flash Flood Warnings in Iowa, 2012Every flash flood warning in 2012
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.