Alert archive / Iowa / Flash Flood Watches in 2021
Flash Flood Watch 2, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood watch at Jun 25, 2021, 2:24 PM CDT for 9 counties in Iowa. It took effect at Jun 25, 2021, 3:00 PM CDT. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Jun 25, 2021, 2:24 PM CDT (19:24 UTC)
- In effect from
- Jun 25, 2021, 3:00 PM CDT
- Expired
- Jun 26, 2021, 7:00 AM CDT
- In force
- 16 hr
- Issued by
- NWS Des Moines, IA
- Flood severity
- None
Counties Appanoose County, IA, Davis County, IA, Decatur County, IA, Lucas County, IA, Monroe County, IA, Ringgold County, IA, Taylor County, IA, Wapello County, IA, Wayne County, IA
The radar
The Des Moines radar (KDMX), 105 km from the middle of the area, began a volume at 19:26 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, 7.4 hours before the alert went out and 252 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
- 22 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 711 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
230 WGUS63 KDMX 251924 FFADMX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Des Moines IA 224 PM CDT Fri Jun 25 2021 .Additional rain showers and thunderstorms are forecast this evening through Saturday morning. Locally heavy rainfall of 1 to 2 inches is possible, and may lead to Flash Flooding. Rises on rivers and local streams will also be possible. IAZ084>086-092>097-260430- /O.NEW.KDMX.FF.A.0002.210625T2000Z-210626T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-Appanoose-Davis- Including the cities of Bedford, Lenox, Bloomfield, Seymour, Albia, Chariton, New Market, Humeston, Leon, Corydon, Lamoni, Mount Ayr, Centerville, Ottumwa, and Allerton 224 PM CDT Fri Jun 25 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING... The National Weather Service in Des Moines has issued a * Flash Flood Watch for portions of south central Iowa, southeast Iowa and southwest Iowa, including the following areas, in south central Iowa, Appanoose, Decatur, Lucas, Monroe, Ringgold and Wayne. In southeast Iowa, Davis and Wapello. In southwest Iowa, Taylor. * Through Saturday morning. * Another round of rain showers and thunderstorms may have the potential to produce locally heavy rainfall amounts between 1 and 2 inches this evening through early Saturday morning. 1 to 2 inches of rainfall over a 1 to 3 hour period may result in Flash Flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Krull
3 follow-up statements
704 WGUS63 KDMX 260139 FFADMX Flood Watch National Weather Service Des Moines IA 839 PM CDT Fri Jun 25 2021 IAZ084>086-092>097-260945- /O.CON.KDMX.FF.A.0002.000000T0000Z-210626T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-Appanoose-Davis- Including the cities of Bedford, Lenox, Bloomfield, Seymour, Albia, Chariton, New Market, Humeston, Leon, Corydon, Lamoni, Mount Ayr, Centerville, Ottumwa, and Allerton 839 PM CDT Fri Jun 25 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT SATURDAY... The Flash Flood Watch continues for * Portions of south central Iowa, southeast Iowa and southwest Iowa, including the following areas, in south central Iowa, Appanoose, Decatur, Lucas, Monroe, Ringgold and Wayne. In southeast Iowa, Davis and Wapello. In southwest Iowa, Taylor. * Until 7 AM CDT Saturday. * Showers and thunderstorms remain likely though tonight and have the potential to produce locally heavy rainfall amounts between 1 and 3 inches possible through Saturday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Donavon
493 WGUS63 KDMX 260826 FFADMX Flood Watch National Weather Service Des Moines IA 326 AM CDT Sat Jun 26 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT... IAZ084>086-092>097-261200- /O.CON.KDMX.FF.A.0002.000000T0000Z-210626T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-Appanoose- Davis- Including the cities of Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 326 AM CDT Sat Jun 26 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING... The Flash Flood Watch continues for * Portions of south central Iowa, southeast Iowa, and southwest Iowa, including the following areas, in south central Iowa, Appanoose, Decatur, Lucas, Monroe, Ringgold, and Wayne. In southeast Iowa, Davis and Wapello. In southwest Iowa, Taylor. * Until 7 AM CDT this morning * Showers and thunderstorms are possible yet early this morning and have the potential to produce locally heavy rainfall amounts between 1 and 3 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ REV
345 WGUS63 KDMX 261157 FFADMX Flood Watch National Weather Service Des Moines IA 657 AM CDT Sat Jun 26 2021 IAZ084>086-092>097-261300- /O.EXP.KDMX.FF.A.0002.000000T0000Z-210626T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-Appanoose- Davis- Including the cities of Chariton, Albia, Ottumwa, Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, Seymour, Allerton, Humeston, Centerville, and Bloomfield 657 AM CDT Sat Jun 26 2021 ...FLASH FLOOD WATCH WILL EXPIRE AT 7 AM CDT THIS MORNING... The Flash Flood Watch for portions of south central Iowa, southeast Iowa, and southwest Iowa will expire at 7 AM CDT this morning. $$
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 7:03 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 42 min |
| Jun 24, 8:15 PM CDT | Flash Flood Warning | DMX | Davis, Wapello | 6 hr |
| Jun 24, 9:21 PM CDT | Flash Flood Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 5 hr |
| Jun 24, 11:20 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 25 min |
| Jun 25, 2:08 AM CDT | Areal Flood Warning | DMX | Davis, Wapello | 12 hr |
| Jun 25, 2:15 AM CDT | Areal Flood Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 12 hr |
Nearby
Flash Flood Watches in Iowa, 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.