Alert archive / Minnesota / Flash Flood Watches in 2015
Flash Flood Watch 3, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood watch at Aug 16, 2015, 10:56 AM CDT for 19 counties in Minnesota; 4 counties in Wisconsin. It took effect at Aug 16, 2015, 4:00 PM CDT. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 16, 2015, 10:56 AM CDT (15:56 UTC)
- In effect from
- Aug 16, 2015, 4:00 PM CDT
- Expired
- Aug 16, 2015, 7:24 PM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Flood severity
- None
All 23 counties
Blue Earth County, MN, Brown County, MN, Carver County, MN, Dakota County, MN, Goodhue County, MN, Hennepin County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Nicollet County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Dunn County, WI, Pepin County, WI, Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 35 km from the middle of the area, began a volume at 15:57 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 12:00Z, 3.9 hours before the alert went out and 35 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1027 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
932 WGUS63 KMPX 161556 FFAMPX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1056 AM CDT SUN AUG 16 2015 ...TORRENTIAL RAINFALL POSSIBLE FROM LATE TODAY THROUGH MONDAY MORNING... .A FLASH FLOOD WATCH HAS BEEN ISSUED FROM LATE THIS AFTERNOON THROUGH MONDAY MORNING FOR MUCH OF SOUTHERN MINNESOTA AND A SMALL PORTION OF WEST CENTRAL WISCONSIN. THE WATCH AREA IS ALONG AND SOUTH OF A LINE FROM OLIVIA THROUGH THE TWIN CITIES TO NEW RICHMOND AND MENOMONIE IN WESTERN WISCONSIN. A SLOW MOVING FRONTAL BOUNDARY ACROSS THE WATCH AREA WILL LIKELY LEAD TO PERIODS OF MODERATE TO HEAVY RAINFALL FROM LATE THIS AFTERNOON THROUGH EARLY MONDAY MORNING. LOCALIZED RAINFALL AMOUNTS OF 4 TO 6 INCHES ARE POSSIBLE. THIS AMOUNT OF RAIN COULD OCCUR OVER A 2 TO 3 HOUR PERIOD...RESULTING IN FLASH FLOODING. MNZ060-062-063-065>070-073>078-082>084-091-WIZ023>026-170000- /O.NEW.KMPX.FF.A.0003.150816T2100Z-150817T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HENNEPIN-RAMSEY-WASHINGTON-RENVILLE-MCLEOD-SIBLEY-CARVER-SCOTT- DAKOTA-REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN- BLUE EARTH-WASECA-MARTIN-ST. CROIX-PIERCE-DUNN-PEPIN- INCLUDING THE CITIES OF...MINNEAPOLIS...ST. PAUL...STILLWATER... OLIVIA...HUTCHINSON...GAYLORD...CHASKA...SHAKOPEE...HASTINGS... REDWOOD FALLS...NEW ULM...ST. PETER...LE SUEUR...FARIBAULT... RED WING...ST. JAMES...MANKATO...WASECA...FAIRMONT...HUDSON... PRESCOTT...MENOMONIE...DURAND 1056 AM CDT SUN AUG 16 2015 ...FLASH FLOOD WATCH IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH MONDAY MORNING... 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... BLUE EARTH...BROWN...CARVER...DAKOTA...GOODHUE...HENNEPIN...LE SUEUR...MARTIN...MCLEOD...NICOLLET...RAMSEY...REDWOOD... RENVILLE...RICE...SCOTT...SIBLEY...WASECA...WASHINGTON AND WATONWAN. IN WEST CENTRAL WISCONSIN...DUNN...PEPIN...PIERCE AND ST. CROIX. * FROM 4 PM CDT THIS AFTERNOON THROUGH MONDAY MORNING * 1 TO 3 INCHES OF RAIN IS LIKELY...ESPECIALLY FROM NEW ULM THROUGH THE SOUTHERN TWIN CITIES METRO TO MENOMONIE. LOCALIZED AMOUNTS OF 4 TO 6 INCHES ARE POSSIBLE. * FLASH FLOODING OF LOW LYING AREAS...CREEKS...STREAMS AND URBAN AREAS IS POSSIBLE. CAMPERS SHOULD STAY VIGILANT TONIGHT. 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. && $$
1 follow-up statement
555 WGUS63 KMPX 170024 FFAMPX FLOOD WATCH NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 724 PM CDT SUN AUG 16 2015 ...HEAVY RAIN THREAT IS DIMINISHING... .A BAND OF SHOWERS AND THUNDERSTORMS HAS BEEN RATHER PROGRESSIVE THIS EVENING AND WILL ACT TO KEEP ADDITIONAL DEVELOPMENT SOUTH OF MINNESOTA AND WESTERN WISCONSIN. THEREFORE...THE FLASH FLOOD WATCH HAS BEEN CANCELLED. MNZ060-062-063-065>070-073>078-082>084-091-WIZ023>026-170130- /O.CAN.KMPX.FF.A.0003.000000T0000Z-150817T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HENNEPIN-RAMSEY-WASHINGTON-RENVILLE-MCLEOD-SIBLEY-CARVER-SCOTT- DAKOTA-REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN- BLUE EARTH-WASECA-MARTIN-ST. CROIX-PIERCE-DUNN-PEPIN- INCLUDING THE CITIES OF...MINNEAPOLIS...ST. PAUL...STILLWATER... OLIVIA...HUTCHINSON...GAYLORD...CHASKA...SHAKOPEE...HASTINGS... REDWOOD FALLS...NEW ULM...ST. PETER...LE SUEUR...FARIBAULT... RED WING...ST. JAMES...MANKATO...WASECA...FAIRMONT...HUDSON... PRESCOTT...MENOMONIE...DURAND 724 PM CDT SUN AUG 16 2015 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF MINNESOTA AND WEST CENTRAL WISCONSIN HAS BEEN CANCELLED. THE MAIN FOCUS AREA FOR HEAVY SHOWERS AND THUNDERSTORMS HAS SHIFTED SOUTH. $$ BORGHOFF
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 12:27 AM CDT | Special Weather Statement | MPX | Douglas, Lac qui Parle, Pope, Stevens, Swift | 33 min |
| Aug 16, 1:29 AM CDT | Special Weather Statement | MPX | Douglas, Pope | 2 hr |
| Aug 16, 2:59 AM CDT | Special Weather Statement | MPX | Lac qui Parle, Pope, Swift | 3 hr |
| Aug 16, 5:13 PM CDT | Special Weather Statement | MPX | Nicollet | 47 min |
Nearby
Flash Flood Watches in Minnesota, 2015Flash Flood Watches in Wisconsin, 2015Every flash flood watch in 2015
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.