Alert archive / Minnesota / Flash Flood Watches in 2017
Flash Flood Watch 2, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood watch at Jul 19, 2017, 9:19 PM CDT for 13 counties in Minnesota; 5 counties in Wisconsin. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jul 19, 2017, 9:19 PM CDT (02:19 UTC)
- Expired
- Jul 20, 2017, 2:55 AM CDT
- In force
- 6 hr
- Issued by
- NWS Twin Cities, MN
- Flood severity
- None
Counties Carver County, MN, Dakota County, MN, Goodhue County, MN, Hennepin County, MN, Le Sueur County, MN, McLeod County, MN, Meeker County, MN, Ramsey County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Washington County, MN, Wright County, MN, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 33 km from the middle of the area, began a volume at 02:21 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
Minneapolis, MN (KMPX), launched 00:00Z, 2.3 hours before the alert went out and 36 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
- 14 J/kg
- Mixed-layer CIN
- -693 J/kg
- Mixed-layer LCL
- 1310 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 251 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
562 WGUS63 KMPX 200219 FFAMPX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Twin Cities/Chanhassen MN 919 PM CDT Wed Jul 19 2017 ...Heavy rainfall to bring a flash flood threat to central MN and west central WI tonight... .A line of training thunderstorms will produce very heavy rainfall from just west of the Twin Cities metro area into west central Wisconsin near Eau Claire. Additional rainfall amounts of 2 to 5 inches is expected overnight. MNZ058>060-062-063-066>070-076>078-WIZ023>026-028-201030- /O.NEW.KMPX.FF.A.0002.170720T0219Z-170720T1100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Meeker-Wright-Hennepin-Ramsey-Washington-McLeod-Sibley-Carver- Scott-Dakota-Le Sueur-Rice-Goodhue-St. Croix-Pierce-Dunn-Pepin- Eau Claire- Including the cities of Litchfield, Monticello, Minneapolis, St Paul, Stillwater, Hutchinson, Gaylord, Chaska, Shakopee, Hastings, Le Sueur, Faribault, Red Wing, Hudson, River Falls, Prescott, Menomonie, Durand, and Eau Claire 919 PM CDT Wed Jul 19 2017 ...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM CDT THURSDAY... The National Weather Service in Twin Cities/Chanhassen has issued a * Flash Flood Watch for portions of Minnesota and west central Wisconsin, including the following areas, in Minnesota, Carver, Dakota, Goodhue, Hennepin, Le Sueur, McLeod, Meeker, Ramsey, Rice, Scott, Sibley, Washington, and Wright. In west central Wisconsin, Dunn, Eau Claire, Pepin, Pierce, and St. Croix. * Until 6 AM CDT Thursday * Thunderstorms producing excessive rainfall amounts in the 2 to 5 inch range overnight. * This could lead to flooding of roads, low-lying areas and fast- responding creeks and streams. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
2 follow-up statements
257 WGUS63 KMPX 200650 FFAMPX Flood Watch National Weather Service Twin Cities/Chanhassen MN 150 AM CDT Thu Jul 20 2017 ...Heavy rainfall to bring a flash flood threat to a small part of east central and south central Minnesota and west central Wisconsin tonight... .Thunderstorms were exiting to the southeast of the area early this morning. The heavy rain threat remains for a small area near the Mississippi River. Rainfall total amounts of 2 to 6 inches are expected overnight. MNZ058>060-062-063-066>070-076-WIZ023>025-028-200800- /O.CAN.KMPX.FF.A.0002.000000T0000Z-170720T1100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Meeker-Wright-Hennepin-Ramsey-Washington-McLeod-Sibley-Carver- Scott-Dakota-Le Sueur-St. Croix-Pierce-Dunn-Eau Claire- Including the cities of Litchfield, Monticello, Minneapolis, St Paul, Stillwater, Hutchinson, Gaylord, Chaska, Shakopee, Hastings, Le Sueur, Hudson, River Falls, Prescott, Menomonie, and Eau Claire 150 AM CDT Thu Jul 20 2017 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of Minnesota and west central Wisconsin has been cancelled. The heavy rain potential has shifted south of the area. $$ MNZ077-078-WIZ026-201100- /O.CON.KMPX.FF.A.0002.000000T0000Z-170720T1100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rice-Goodhue-Pepin- Including the cities of Faribault, Red Wing, and Durand 150 AM CDT Thu Jul 20 2017 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM CDT EARLY THIS MORNING... The Flash Flood Watch continues for * Portions of Minnesota and west central Wisconsin, including the following areas, in Minnesota, Goodhue and Rice. In west central Wisconsin, Pepin. * Until 6 AM CDT early this morning * Thunderstorms producing excessive rainfall amounts in the 2 to 6 inch range overnight. * This could lead to flooding of roads, low-lying areas and fast- responding creeks and streams. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
406 WGUS63 KMPX 200755 FFAMPX Flood Watch National Weather Service Twin Cities/Chanhassen MN 255 AM CDT Thu Jul 20 2017 MNZ077-078-WIZ026-200900- /O.CAN.KMPX.FF.A.0002.000000T0000Z-170720T1100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Rice-Goodhue-Pepin- Including the cities of Faribault, Red Wing, and Durand 255 AM CDT Thu Jul 20 2017 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of Minnesota and west central Wisconsin has been cancelled. The heavy rain producing thunderstorms have exited the area. Rainfall totals of 2 to 5 inches occurred across the southern Metro to along the Mississippi River valley from Hastings to Red Wing. $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 9:42 PM CDT | Special Weather Statement | MPX | Dakota | 33 min |
| Jul 19, 9:46 PM CDT | Special Weather Statement | MPX | Kandiyohi | 29 min |
| Jul 19, 9:59 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker | 31 min |
| Jul 19, 10:20 PM CDT | Special Weather Statement | MPX | Ramsey | 25 min |
| Jul 19, 10:22 PM CDT | Special Weather Statement | MPX | Meeker | 23 min |
| Jul 20, 12:41 AM CDT | Severe Thunderstorm Warning | MPX | Martin, Watonwan | 79 min |
| Jul 20, 1:02 AM CDT | Special Weather Statement | MPX | Faribault | 58 min |
| Jul 20, 12:18 AM CDT | Special Weather Statement | MPX | Pierce | 57 min |
Nearby
Flash Flood Watches in Minnesota, 2017Flash Flood Watches in Wisconsin, 2017Every flash flood watch in 2017
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.