Alert archive / Illinois / Flash Flood Watches in 2021
Flash Flood Watch 2, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood watch at Jun 28, 2021, 3:19 AM CDT for 12 counties in Illinois; Clark County, Scotland County, Missouri; 8 counties in Iowa. It took effect at Jun 28, 2021, 7:00 AM CDT. It was in force for 34 hr.
The area
The counties it named.
The facts
- Issued
- Jun 28, 2021, 3:19 AM CDT (08:19 UTC)
- In effect from
- Jun 28, 2021, 7:00 AM CDT
- Expired
- Jun 29, 2021, 5:22 PM CDT
- In force
- 34 hr
- Issued by
- NWS Quad Cities, IA
- Flood severity
- None
All 22 counties
Clinton County, IA, Des Moines County, IA, Henry County, IA, Lee County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Bureau County, IL, Carroll County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 51 km from the middle of the area, began a volume at 08:18 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, 8.3 hours before the alert went out and 55 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
- 4 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 1163 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
073 WGUS63 KDVN 280819 FFADVN URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Quad Cities IA IL 319 AM CDT Mon Jun 28 2021 IAZ089-099-ILZ016>018-024>026-034-035-MOZ010-281715- /O.NEW.KDVN.FF.A.0002.210628T1200Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Des Moines-Lee-Henry IL-Bureau-Putnam-Mercer-Henderson-Warren- Hancock-McDonough-Clark- Including the cities of Geneseo, Princeton, Monmouth, Kahoka, Oquawka, Hennepin, Carthage, Burlington, Fort Madison, Macomb, and Aledo 319 AM CDT Mon Jun 28 2021 ...FLASH FLOOD WATCH IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH TUESDAY EVENING... The National Weather Service in Quad Cities has issued a * Flash Flood Watch for portions of Illinois, southeast Iowa and northeast Missouri, including the following areas, in Illinois, Bureau, Hancock, Henderson, Henry IL, McDonough, Mercer, Putnam and Warren. In southeast Iowa, Des Moines and Lee. In northeast Missouri, Clark. * From 7 AM CDT this morning through Tuesday evening. * Occasional rounds of showers and thunderstorms are expected across the watch area through Tuesday. A very moist air mass could lead to rainfall rates of 2 to 3 inches per hour in the hardest hit areas. Locations that receive several rounds of heavy rain will be most susceptible to flash flooding. * Excessive runoff may result in flooding of low-lying and flood prone locations. Small rivers, creeks and streams may rise out of their banks. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Uttech
7 follow-up statements
129 WGUS63 KDVN 281640 FFADVN URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Quad Cities IA IL 1140 AM CDT Mon Jun 28 2021 IAZ066>068-078-088-098-ILZ002-007-009-015-MOZ009-290045- /O.EXA.KDVN.FF.A.0002.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clinton-Muscatine-Scott-Louisa-Henry IA-Van Buren-Stephenson-Carroll- Whiteside-Rock Island-Scotland- Including the cities of Sterling, Freeport, Clinton, Memphis, Mount Pleasant, Rock Island, Moline, Keosauqua, Wapello, Davenport, Mount Carroll, Muscatine, and Bettendorf 1140 AM CDT Mon Jun 28 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH TUESDAY EVENING... The National Weather Service in Quad Cities has expanded the * Flash Flood Watch to include portions of northwest Illinois, Iowa and northeast Missouri, including the following areas, in northwest Illinois, Carroll, Rock Island, Stephenson and Whiteside. In Iowa, Clinton, Henry IA, Louisa, Muscatine, Scott and Van Buren. In northeast Missouri, Scotland. * Through Tuesday evening. * Occasional rounds of showers and thunderstorms are expected across the watch area through Tuesday. A very moist air mass could lead to rainfall rates of 2 to 3 inches per hour in the hardest hit areas. Locations that receive several rounds of heavy rain will be most susceptible to flash flooding. * Excessive runoff may result in flooding of low-lying and flood prone locations. Small rivers, creeks and streams may rise out of their banks. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ IAZ089-099-ILZ016>018-024>026-034-035-MOZ010-290045- /O.CON.KDVN.FF.A.0002.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Des Moines-Lee-Henry IL-Bureau-Putnam-Mercer-Henderson-Warren- Hancock-McDonough-Clark- Including the cities of Geneseo, Princeton, Monmouth, Kahoka, Oquawka, Hennepin, Carthage, Burlington, Fort Madison, Macomb, and Aledo 1140 AM CDT Mon Jun 28 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY EVENING... The Flash Flood Watch continues for * Portions of Illinois, southeast Iowa and northeast Missouri, including the following areas, in Illinois, Bureau, Hancock, Henderson, Henry IL, McDonough, Mercer, Putnam and Warren. In southeast Iowa, Des Moines and Lee. In northeast Missouri, Clark. * Through Tuesday evening. * Occasional rounds of showers and thunderstorms are expected across the watch area through Tuesday. A very moist air mass could lead to rainfall rates of 2 to 3 inches per hour in the hardest hit areas. Locations that receive several rounds of heavy rain will be most susceptible to flash flooding. * Excessive runoff may result in flooding of low-lying and flood prone locations. Small rivers, creeks and streams may rise out of their banks. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Gunkel
145 WGUS63 KDVN 282300 FFADVN Flood Watch National Weather Service Quad Cities IA IL 600 PM CDT Mon Jun 28 2021 IAZ066>068-078-088-089-098-099-ILZ002-007-009-015>018-024>026-034- 035-MOZ009-010-290700- /O.CON.KDVN.FF.A.0002.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clinton-Muscatine-Scott-Louisa-Henry IA-Des Moines-Van Buren-Lee- Stephenson-Carroll-Whiteside-Rock Island-Henry IL-Bureau-Putnam- Mercer-Henderson-Warren-Hancock-McDonough-Scotland-Clark- Including the cities of Carthage, Mount Pleasant, Oquawka, Keosauqua, Burlington, Wapello, Sterling, Monmouth, Kahoka, Macomb, Fort Madison, Memphis, Rock Island, Bettendorf, Princeton, Freeport, Hennepin, Davenport, Clinton, Geneseo, Mount Carroll, Moline, Muscatine, and Aledo 600 PM CDT Mon Jun 28 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY EVENING... The Flash Flood Watch continues for * Portions of Illinois, Iowa and northeast Missouri, including the following areas, in Illinois, Bureau, Carroll, Hancock, Henderson, Henry IL, McDonough, Mercer, Putnam, Rock Island, Stephenson, Warren and Whiteside. In Iowa, Clinton, Des Moines, Henry IA, Lee, Louisa, Muscatine, Scott and Van Buren. In northeast Missouri, Clark and Scotland. * Through Tuesday evening. * Rounds of showers and thunderstorms are expected across the watch area tonight through Tuesday. A very moist air mass could lead to rainfall rates of 2 to 3 inches per hour in the hardest hit areas. Locations that receive several rounds of heavy rain will be most susceptible to flash flooding. * Excessive runoff may result in flooding of low-lying and flood prone locations. Small rivers, creeks and streams may rise out of their banks. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Gunkel
634 WGUS63 KDVN 290201 FFADVN Flood Watch National Weather Service Quad Cities IA IL 901 PM CDT Mon Jun 28 2021 IAZ066>068-078-088-089-098-099-ILZ002-007-009-015>018-024>026-034- 035-MOZ009-010-291015- /O.CON.KDVN.FF.A.0002.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clinton-Muscatine-Scott-Louisa-Henry IA-Des Moines-Van Buren-Lee- Stephenson-Carroll-Whiteside-Rock Island-Henry IL-Bureau-Putnam- Mercer-Henderson-Warren-Hancock-McDonough-Scotland-Clark- Including the cities of Carthage, Mount Pleasant, Oquawka, Keosauqua, Burlington, Wapello, Sterling, Monmouth, Kahoka, Macomb, Fort Madison, Memphis, Rock Island, Bettendorf, Princeton, Freeport, Hennepin, Davenport, Clinton, Geneseo, Mount Carroll, Moline, Muscatine, and Aledo 901 PM CDT Mon Jun 28 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY EVENING... The Flash Flood Watch continues for * Portions of Illinois, Iowa and northeast Missouri, including the following areas, in Illinois, Bureau, Carroll, Hancock, Henderson, Henry IL, McDonough, Mercer, Putnam, Rock Island, Stephenson, Warren and Whiteside. In Iowa, Clinton, Des Moines, Henry IA, Lee, Louisa, Muscatine, Scott and Van Buren. In northeast Missouri, Clark and Scotland. * Through Tuesday evening. * Rounds of showers and thunderstorms are expected across the watch area tonight through Tuesday. A very moist air mass could lead to rainfall rates of 2 to 3 inches per hour in the hardest hit areas. Locations that receive several rounds of heavy rain will be most susceptible to flash flooding. * Excessive runoff may result in flash flooding of low-lying and flood prone locations. Small rivers, creeks and streams may rise out of their banks. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Gibbs
461 WGUS63 KDVN 290833 FFADVN Flood Watch National Weather Service Quad Cities IA IL 333 AM CDT Tue Jun 29 2021 IAZ066>068-078-088-089-098-099-ILZ002-007-009-015>018-024>026-034- 035-MOZ009-010-291645- /O.CON.KDVN.FF.A.0002.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clinton-Muscatine-Scott-Louisa-Henry IA-Des Moines-Van Buren-Lee- Stephenson-Carroll-Whiteside-Rock Island-Henry IL-Bureau-Putnam- Mercer-Henderson-Warren-Hancock-McDonough-Scotland-Clark- Including the cities of Carthage, Mount Pleasant, Oquawka, Keosauqua, Burlington, Wapello, Sterling, Monmouth, Kahoka, Macomb, Fort Madison, Memphis, Rock Island, Bettendorf, Princeton, Freeport, Hennepin, Davenport, Clinton, Geneseo, Mount Carroll, Moline, Muscatine, and Aledo 333 AM CDT Tue Jun 29 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... The Flash Flood Watch continues for * Portions of Illinois, Iowa and northeast Missouri, including the following areas, in Illinois, Bureau, Carroll, Hancock, Henderson, Henry IL, McDonough, Mercer, Putnam, Rock Island, Stephenson, Warren and Whiteside. In Iowa, Clinton, Des Moines, Henry IA, Lee, Louisa, Muscatine, Scott and Van Buren. In northeast Missouri, Clark and Scotland. * Through this evening. * Rounds of showers and thunderstorms are expected across the watch area with rainfall rates of 1 to 3 inches per hour. If storms repeat over the same areas then flash flooding is possible. * Excessive runoff may result in flash flooding of low-lying and flood prone locations. Small rivers, creeks and streams may rise out of their banks. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 08
930 WGUS63 KDVN 291459 FFADVN Flood Watch National Weather Service Quad Cities IA IL 959 AM CDT Tue Jun 29 2021 IAZ066>068-078-088-089-098-099-ILZ002-007-009-015>018-024>026-034- 035-MOZ009-010-292300- /O.CON.KDVN.FF.A.0002.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clinton-Muscatine-Scott-Louisa-Henry IA-Des Moines-Van Buren-Lee- Stephenson-Carroll-Whiteside-Rock Island-Henry IL-Bureau-Putnam- Mercer-Henderson-Warren-Hancock-McDonough-Scotland-Clark- Including the cities of Carthage, Mount Pleasant, Oquawka, Keosauqua, Burlington, Wapello, Sterling, Monmouth, Kahoka, Macomb, Fort Madison, Memphis, Rock Island, Bettendorf, Princeton, Freeport, Hennepin, Davenport, Clinton, Geneseo, Mount Carroll, Moline, Muscatine, and Aledo 959 AM CDT Tue Jun 29 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... The Flash Flood Watch continues for * Portions of Illinois, Iowa and northeast Missouri, including the following areas, in Illinois, Bureau, Carroll, Hancock, Henderson, Henry IL, McDonough, Mercer, Putnam, Rock Island, Stephenson, Warren and Whiteside. In Iowa, Clinton, Des Moines, Henry IA, Lee, Louisa, Muscatine, Scott and Van Buren. In northeast Missouri, Clark and Scotland. * Until 7 PM CDT this evening. * Rounds of showers and thunderstorms are expected across the watch area with rainfall rates of 1 to 3 inches per hour. If storms repeatedly move over the same areas then flash flooding is possible. * Excessive runoff may result in flash flooding of low-lying and flood prone locations. Small rivers, creeks and streams may rise out of their banks. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Cousins
832 WGUS63 KDVN 292003 FFADVN Flood Watch National Weather Service Quad Cities IA IL 303 PM CDT Tue Jun 29 2021 IAZ066>068-078-088-089-098-099-ILZ002-007-009-015>018-024>026-034- 035-MOZ009-010-300000- /O.CON.KDVN.FF.A.0002.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clinton-Muscatine-Scott-Louisa-Henry IA-Des Moines-Van Buren-Lee- Stephenson-Carroll-Whiteside-Rock Island-Henry IL-Bureau-Putnam- Mercer-Henderson-Warren-Hancock-McDonough-Scotland-Clark- Including the cities of Carthage, Mount Pleasant, Oquawka, Keosauqua, Burlington, Wapello, Sterling, Monmouth, Kahoka, Macomb, Fort Madison, Memphis, Rock Island, Bettendorf, Princeton, Freeport, Hennepin, Davenport, Clinton, Geneseo, Mount Carroll, Moline, Muscatine, and Aledo 303 PM CDT Tue Jun 29 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... The Flash Flood Watch continues for * Portions of Illinois, Iowa and northeast Missouri, including the following areas, in Illinois, Bureau, Carroll, Hancock, Henderson, Henry IL, McDonough, Mercer, Putnam, Rock Island, Stephenson, Warren and Whiteside. In Iowa, Clinton, Des Moines, Henry IA, Lee, Louisa, Muscatine, Scott and Van Buren. In northeast Missouri, Clark and Scotland. * Until 7 PM CDT this evening. * Additional showers and isolated thunderstorms capable of heavy rainfall are expected into this evening. Heavy rainfall could occur repeatedly over some locations, including those that have previously received significant rainfall, leading to the potential for localized flash flooding. * Excessive runoff may result in flash flooding of low-lying and flood prone locations. Small rivers, creeks and streams may rise out of their banks. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ McClure
480 WGUS63 KDVN 292222 FFADVN Flood Watch National Weather Service Quad Cities IA IL 522 PM CDT Tue Jun 29 2021 IAZ066>068-078-088-089-098-099-ILZ002-007-009-015>018-024>026-034- 035-MOZ009-010-292330- /O.CAN.KDVN.FF.A.0002.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Clinton-Muscatine-Scott-Louisa-Henry IA-Des Moines-Van Buren-Lee- Stephenson-Carroll-Whiteside-Rock Island-Henry IL-Bureau-Putnam- Mercer-Henderson-Warren-Hancock-McDonough-Scotland-Clark- Including the cities of Carthage, Mount Pleasant, Oquawka, Keosauqua, Burlington, Wapello, Sterling, Monmouth, Kahoka, Macomb, Fort Madison, Memphis, Rock Island, Bettendorf, Princeton, Freeport, Hennepin, Davenport, Clinton, Geneseo, Mount Carroll, Moline, Muscatine, and Aledo 522 PM CDT Tue Jun 29 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of Illinois, Iowa and northeast Missouri, including the following areas, in Illinois, Bureau, Carroll, Hancock, Henderson, Henry IL, McDonough, Mercer, Putnam, Rock Island, Stephenson, Warren and Whiteside. In Iowa, Clinton, Des Moines, Henry IA, Lee, Louisa, Muscatine, Scott 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 |
|---|---|---|---|---|
| Jun 28, 12:20 PM CDT | Flash Flood Warning | DVN | Hancock | 5 hr |
| Jun 28, 1:36 PM CDT | Special Weather Statement | DVN | Henderson | 24 min |
| Jun 28, 2:30 PM CDT | Special Weather Statement | DVN | Whiteside | 45 min |
| Jun 28, 2:39 PM CDT | Special Weather Statement | DVN | McDonough, Warren | 96 min |
| Jun 28, 4:23 PM CDT | Special Weather Statement | DVN | Hancock, McDonough | 112 min |
| Jun 28, 12:01 PM CDT | Special Weather Statement | DVN | Clark, Scotland | 119 min |
Nearby
Flash Flood Watches in Illinois, 2021Flash Flood Watches in Iowa, 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.