Alert archive / Minnesota / Flash Flood Warnings in 2020
Flash Flood Warning 8, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Jun 30, 2020, 4:18 AM CDT for Mille Lacs County, Minnesota. It was in force for 2 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
- Jun 30, 2020, 4:18 AM CDT (09:18 UTC)
- Expired
- Jun 30, 2020, 6:41 AM CDT
- In force
- 2 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
County Mille Lacs County, MN
The radar
The Minneapolis radar (KMPX), 106 km from the middle of the area, began a volume at 09:17 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, 9.3 hours before the alert went out and 106 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
- 488 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1066 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
701
WGUS53 KMPX 300918
FFWMPX
MNC095-301215-
/O.NEW.KMPX.FF.W.0008.200630T0918Z-200630T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
418 AM CDT Tue Jun 30 2020
The National Weather Service in The Twin Cities has issued a
* Flash Flood Warning for...
Central Mille Lacs County in east central Minnesota...
* Until 715 AM CDT.
* At 417 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. As much as three inches of rain
has fallen in the last two hours, in addition to heavy rainfall
from yesterday. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Milaca and Bock.
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.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 4585 9352 4584 9351 4572 9351 4571 9352
4574 9367 4579 9377 4586 9377 4587 9367
$$
ETA1 follow-up statement
895
WGUS73 KMPX 301141
FFSMPX
Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
641 AM CDT Tue Jun 30 2020
MNC095-301151-
/O.CAN.KMPX.FF.W.0008.000000T0000Z-200630T1215Z/
Mille Lacs MN-
641 AM CDT Tue Jun 30 2020
...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL MILLE LACS COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please heed any road closures.
LAT...LON 4585 9352 4584 9351 4572 9351 4571 9352
4574 9367 4579 9377 4586 9377 4587 9367
$$
JRBThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 9:02 PM CDT | Special Weather Statement | MPX | Benton, Mille Lacs, Stearns | 88 min |
| Jun 29, 9:12 PM CDT | Special Weather Statement | MPX | Todd | 63 min |
| Jun 29, 10:38 PM CDT | Special Weather Statement | MPX | Todd | 112 min |
| Jun 29, 11:58 PM CDT | Special Weather Statement | MPX | Anoka, Chisago, Hennepin, Isanti, Ramsey, Washington | 2 hr |
| Jun 30, 12:53 AM CDT | Areal Flood Warning | MPX | Morrison | 9 hr |
| Jun 30, 4:44 AM CDT | Special Weather Statement | MPX | Isanti | 3 hr |
Nearby
Flash Flood Warnings in Minnesota, 2020Every flash flood warning in 2020
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.