Alert archive / Iowa / Flash Flood Watches in 2021
Flash Flood Watch 3, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood watch at Jul 9, 2021, 2:49 AM CDT for 5 counties in Iowa; Clark County, Scotland County, Missouri; 4 counties in Illinois. It took effect at Jul 9, 2021, 4:00 PM CDT. It was in force for 27 hr.
The area
The counties it named.
The facts
- Issued
- Jul 9, 2021, 2:49 AM CDT (07:49 UTC)
- In effect from
- Jul 9, 2021, 4:00 PM CDT
- Expired
- Jul 10, 2021, 7:05 PM CDT
- In force
- 27 hr
- Issued by
- NWS Quad Cities, IA
- Flood severity
- None
Counties Des Moines County, IA, Henry County, IA, Jefferson County, IA, Lee County, IA, Van Buren County, IA, Hancock County, IL, Henderson County, IL, McDonough County, IL, Warren County, IL, Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 122 km from the middle of the area, began a volume at 07:50 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, 7.8 hours before the alert went out and 127 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1024 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
057 WGUS63 KDVN 090749 FFADVN URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Quad Cities IA IL 249 AM CDT Fri Jul 9 2021 IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-091600- /O.NEW.KDVN.FF.A.0003.210709T2100Z-210710T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Henry IA-Des Moines-Van Buren-Lee-Henderson-Warren-Hancock- McDonough-Scotland-Clark- Including the cities of Monmouth, Mount Pleasant, Kahoka, Oquawka, Fairfield, Carthage, Keosauqua, Burlington, Fort Madison, Macomb, and Memphis 249 AM CDT Fri Jul 9 2021 ...FLASH FLOOD WATCH IN EFFECT FROM THIS AFTERNOON THROUGH SATURDAY MORNING... The National Weather Service in Quad Cities has issued a * Flash Flood Watch for portions of west central Illinois, southeast Iowa and northeast Missouri, including the following areas, in west central Illinois, Hancock, Henderson, McDonough and Warren. In southeast Iowa, Des Moines, Henry IA, Jefferson, Lee and Van Buren. In northeast Missouri, Clark and Scotland. * From this afternoon through Saturday morning. * Repeated rounds of showers and thunderstorms are expected across the area beginning this afternoon, and will last through tonight. Rainfall amounts around 1 to 3 inches are expected, with potential for locally higher amounts in areas that see repeated rounds of showers and storms. This rain will be falling on already wet soils given previous heavy rains, leading to the increased flash flood risk. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Speck
6 follow-up statements
235 WGUS63 KDVN 091403 FFADVN Flood Watch National Weather Service Quad Cities IA IL 903 AM CDT Fri Jul 9 2021 IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-092215- /O.CON.KDVN.FF.A.0003.210709T2100Z-210710T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Henry IA-Des Moines-Van Buren-Lee-Henderson-Warren-Hancock- McDonough-Scotland-Clark- Including the cities of Monmouth, Mount Pleasant, Kahoka, Oquawka, Fairfield, Carthage, Keosauqua, Burlington, Fort Madison, Macomb, and Memphis 903 AM CDT Fri Jul 9 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... The Flash Flood Watch continues for * Portions of west central Illinois, southeast Iowa and northeast Missouri, including the following areas, in west central Illinois, Hancock, Henderson, McDonough and Warren. In southeast Iowa, Des Moines, Henry IA, Jefferson, Lee and Van Buren. In northeast Missouri, Clark and Scotland. * From 4 PM CDT this afternoon through Saturday morning. * Repeated rounds of showers and thunderstorms are expected across the area beginning this afternoon, and will last through tonight. Rainfall amounts around 1 to 3 inches are expected, with potential for locally higher amounts in areas that see repeated rounds of showers and storms. This rain will be falling on already wet soils given previous heavy rains, leading to the increased flash flood risk. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Ervin
866 WGUS63 KDVN 092002 FFADVN Flood Watch National Weather Service Quad Cities IA IL 302 PM CDT Fri Jul 9 2021 IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-100415- /O.CON.KDVN.FF.A.0003.210709T2100Z-210710T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Henry IA-Des Moines-Van Buren-Lee-Henderson-Warren-Hancock- McDonough-Scotland-Clark- Including the cities of Monmouth, Mount Pleasant, Kahoka, Oquawka, Fairfield, Carthage, Keosauqua, Burlington, Fort Madison, Macomb, and Memphis 302 PM CDT Fri Jul 9 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING... The Flash Flood Watch continues for * Portions of west central Illinois, southeast Iowa and northeast Missouri, including the following areas, in west central Illinois, Hancock, Henderson, McDonough and Warren. In southeast Iowa, Des Moines, Henry IA, Jefferson, Lee and Van Buren. In northeast Missouri, Clark and Scotland. * Through Saturday morning. * Repeated rounds of showers and thunderstorms are expected across the area beginning this evening, and will last through tonight. Rainfall amounts around 1 to 3 inches are expected, with potential for locally higher amounts in areas that see repeated rounds of showers and storms. This rain will be falling on already wet soils given previous heavy rains, leading to the increased flash flood risk. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Ervin
291 WGUS63 KDVN 100113 FFADVN Flood Watch National Weather Service Quad Cities IA IL 813 PM CDT Fri Jul 9 2021 IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-100915- /O.CON.KDVN.FF.A.0003.000000T0000Z-210710T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Henry IA-Des Moines-Van Buren-Lee-Henderson-Warren-Hancock- McDonough-Scotland-Clark- Including the cities of Monmouth, Mount Pleasant, Kahoka, Oquawka, Fairfield, Carthage, Keosauqua, Burlington, Fort Madison, Macomb, and Memphis 813 PM CDT Fri Jul 9 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING... The Flash Flood Watch continues for * Portions of west central Illinois, southeast Iowa and northeast Missouri, including the following areas, in west central Illinois, Hancock, Henderson, McDonough and Warren. In southeast Iowa, Des Moines, Henry IA, Jefferson, Lee and Van Buren. In northeast Missouri, Clark and Scotland. * Through Saturday morning. * Repeated rounds of showers and thunderstorms are expected across the area beginning this evening, and will last through tonight. Rainfall amounts around 1 to 3 inches are expected, with potential for locally higher amounts in areas that see repeated rounds of showers and storms. This rain will be falling on already wet soils given previous heavy rains, leading to the increased flash flood risk. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Uttech
674 WGUS63 KDVN 100726 FFADVN URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Quad Cities IA IL 226 AM CDT Sat Jul 10 2021 IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-101530- /O.EXT.KDVN.FF.A.0003.000000T0000Z-210711T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Henry IA-Des Moines-Van Buren-Lee-Henderson-Warren-Hancock- McDonough-Scotland-Clark- Including the cities of Monmouth, Mount Pleasant, Kahoka, Oquawka, Fairfield, Carthage, Keosauqua, Burlington, Fort Madison, Macomb, and Memphis 226 AM CDT Sat Jul 10 2021 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH SUNDAY MORNING... The Flash Flood Watch is now in effect for * Portions of west central Illinois, southeast Iowa and northeast Missouri, including the following areas, in west central Illinois, Hancock, Henderson, McDonough and Warren. In southeast Iowa, Des Moines, Henry IA, Jefferson, Lee and Van Buren. In northeast Missouri, Clark and Scotland. * Through Sunday morning. * Repeated rounds of showers and thunderstorms are expected across the area today and tonight, with additional amounts of 1 to 3 inches expected over already saturated soils. This will lead to an increased flash flood risk across the area. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Speck
753 WGUS63 KDVN 101913 FFADVN Flood Watch National Weather Service Quad Cities IA IL 213 PM CDT Sat Jul 10 2021 IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-110315- /O.CON.KDVN.FF.A.0003.000000T0000Z-210711T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Henry IA-Des Moines-Van Buren-Lee-Henderson-Warren-Hancock- McDonough-Scotland-Clark- Including the cities of Monmouth, Mount Pleasant, Kahoka, Oquawka, Fairfield, Carthage, Keosauqua, Burlington, Fort Madison, Macomb, and Memphis 213 PM CDT Sat Jul 10 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY MORNING... The Flash Flood Watch continues for * Portions of west central Illinois, southeast Iowa and northeast Missouri, including the following areas, in west central Illinois, Hancock, Henderson, McDonough and Warren. In southeast Iowa, Des Moines, Henry IA, Jefferson, Lee and Van Buren. In northeast Missouri, Clark and Scotland. * Through Sunday morning. * Repeated rounds of rain and few thunderstorms are expected across the area through tonight, with inch expected over already saturated soils. This will lead to a continued risk for flash flood risk across the area. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Ervin
058 WGUS63 KDVN 110005 FFADVN Flood Watch National Weather Service Quad Cities IA IL 705 PM CDT Sat Jul 10 2021 IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-110115- /O.CAN.KDVN.FF.A.0003.000000T0000Z-210711T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jefferson-Henry IA-Des Moines-Van Buren-Lee-Henderson-Warren-Hancock- McDonough-Scotland-Clark- Including the cities of Monmouth, Mount Pleasant, Kahoka, Oquawka, Fairfield, Carthage, Keosauqua, Burlington, Fort Madison, Macomb, and Memphis 705 PM CDT Sat Jul 10 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of west central Illinois, southeast Iowa and northeast Missouri, including the following areas, in west central Illinois, Hancock, Henderson, McDonough and Warren. In southeast Iowa, Des Moines, Henry IA, Jefferson, Lee and Van Buren. In northeast Missouri, Clark and Scotland has been cancelled. The Flood Watch is cancelled. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. $$ Ervin
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 5:04 PM CDT | Special Weather Statement | DVN | Iowa | 26 min |
| Jul 9, 5:16 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Keokuk, Washington | 29 min |
| Jul 9, 5:34 PM CDT | Special Weather Statement | DVN | Benton | 26 min |
| Jul 9, 5:59 PM CDT | Special Weather Statement | DVN | Benton, Des Moines, Henry, Iowa, Jefferson, Johnson and 3 more | 31 min |
| Jul 9, 6:07 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Washington | 23 min |
| Jul 9, 6:23 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Louisa | 37 min |
| Jul 9, 6:37 PM CDT | Special Weather Statement | DVN | Iowa | 23 min |
| Jul 9, 6:50 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry | 25 min |
| Jul 9, 8:58 AM CDT | River Flood Watch | DVN | Hancock, McDonough | 17 hr |
Nearby
Flash Flood Watches in Iowa, 2021Flash Flood Watches in Illinois, 2021Flash Flood Watches in Missouri, 2021Every flash flood watch in 2021
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.