Alert archive / Minnesota / Flash Flood Warnings in 2017
Flash Flood Warning 2, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at May 17, 2017, 7:11 PM CDT for Anoka County, Hennepin County, Ramsey County, Minnesota. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 17, 2017, 7:11 PM CDT (00:11 UTC)
- Expired
- May 17, 2017, 10:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Anoka County, MN, Hennepin County, MN, Ramsey County, MN
The radar
The Minneapolis radar (KMPX), 49 km from the middle of the area, began a volume at 00:15 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
International Fa, MN (KINL), launched 00:00Z, 0.2 hours before the alert went out and 375 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
- 763 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -52 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
974
WGUS53 KMPX 180011
FFWMPX
MNC003-053-123-180315-
/O.NEW.KMPX.FF.W.0002.170518T0011Z-170518T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
711 PM CDT WED MAY 17 2017
The National Weather Service in The Twin Cities has issued a
* Flash Flood Warning for...
Northeastern Hennepin County in east central Minnesota...
Central Anoka County in east central Minnesota...
Northwestern Ramsey County in east central Minnesota...
* Until 1015 PM CDT
* At 709 PM CDT, Doppler radar indicated heavy rain across the warned
area. Up to two inches of rain have already fallen. Flash flooding
is expected to begin shortly.
* Some locations that will experience flooding include...
North Minneapolis, Brooklyn Park, Coon Rapids, Blaine, Roseville,
Andover, Brooklyn Center, Fridley, Shoreview, New Brighton, Lino
Lakes and Columbia Heights.
Additional rainfall amounts of 1 to 2 inches over the next 2 hours
are possible in the warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4533 9305 4512 9312 4503 9320 4503 9334
4533 9332
$$
DWE1 follow-up statement
616
WGUS73 KMPX 180245
FFSMPX
Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
945 PM CDT WED MAY 17 2017
MNC003-053-123-180254-
/O.CAN.KMPX.FF.W.0002.000000T0000Z-170518T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hennepin MN-Anoka MN-Ramsey MN-
945 PM CDT WED MAY 17 2017
...THE FLASH FLOOD WARNING FOR NORTHEASTERN HENNEPIN...CENTRAL ANOKA
AND NORTHWESTERN RAMSEY COUNTIES IS CANCELLED...
The heavy rain has ended...and flooding is no longer expected to pose
a threat. Any additional rainfall overnight should be less than one
inch.
LAT...LON 4533 9305 4512 9312 4503 9320 4503 9334
4533 9332
$$
DWEThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 7:00 PM CDT | Special Weather Statement | MPX | Anoka, Dakota, Ramsey | 30 min |
| May 17, 7:39 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 49 min |
| May 17, 8:03 PM CDT | Special Weather Statement | MPX | Goodhue | 27 min |
| May 17, 8:37 PM CDT | Special Weather Statement | MPX | Washington | 53 min |
| May 18, 2:20 PM CDT | Frost Advisory | MPX | Chisago, Isanti, Kanabec, Mille Lacs, Morrison | 17 hr |
Nearby
Flash Flood Warnings in Minnesota, 2017Every flash flood warning 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.