Alert archive / Minnesota / Flash Flood Warnings in 2019

Flash Flood Warning 10, NWS Twin Cities, MN

July 14, 2019Morrison County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jul 14, 2019, 7:39 PM CDT for Morrison 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
Jul 14, 2019, 7:39 PM CDT (00:39 UTC)
Expired
Jul 14, 2019, 10:57 PM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Flood severity
None

County Morrison County, MN

The radar

The Minneapolis radar (KMPX), 161 km from the middle of the area, began a volume at 00:42 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, 0.7 hours before the alert went out and 160 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2019-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1771 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2019-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1771 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1404 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.6

Open this sounding in Storm Lab

The text

As transmitted.

547 
WGUS53 KMPX 150039
FFWMPX
MNC097-150615-
/O.NEW.KMPX.FF.W.0010.190715T0039Z-190715T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
739 PM CDT Sun Jul 14 2019

The National Weather Service in The Twin Cities has issued a

* Flash Flood Warning for...
  Morrison County in central Minnesota...

* Until 115 AM CDT.

* At 738 PM CDT, Doppler radar and automated rain gauges indicated 
  heavy rain falling across the warned area. Two to three inches of 
  rain have fallen. Flash flooding is possible.

* Some locations that may experience flooding include...
  Little Falls, Pierz, Motley, Randall, Swanville, Flensburg,
  Lastrup, Camp Ripley, Cushing, Sobieski, Harding and Genola.

Additional rainfall amounts of one to three inches are possible in 
the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4631 9455 4633 9443 4630 9436 4627 9434
      4623 9440 4618 9437 4616 9437 4616 9381
      4610 9380 4591 9420 4591 9464 4634 9465

$$

LS
2 follow-up statements
497 
WGUS73 KMPX 150237
FFSMPX

Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
937 PM CDT Sun Jul 14 2019

MNC097-150615-
/O.CON.KMPX.FF.W.0010.000000T0000Z-190715T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morrison MN-
937 PM CDT Sun Jul 14 2019

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM CDT FOR
MORRISON COUNTY...

At 936 PM CDT, Doppler radar and automated rain gauges indicated 
that heavy rain had fallen over the area. Two to four inches of rain 
have fallen. Flash flooding remains a significant hazard due to 
the heavy rain that has fallen.

Some locations that will experience flooding include...
Little Falls, Pierz, Motley, Randall, Swanville, Flensburg, Lastrup,
Camp Ripley, Cushing, Sobieski, Harding and Genola.

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 4631 9455 4633 9443 4630 9436 4627 9434
      4623 9440 4618 9437 4616 9437 4616 9381
      4610 9380 4591 9420 4591 9464 4634 9465

$$

JPC
311 
WGUS73 KMPX 150357
FFSMPX

Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
1057 PM CDT Sun Jul 14 2019

MNC097-150407-
/O.CAN.KMPX.FF.W.0010.000000T0000Z-190715T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morrison MN-
1057 PM CDT Sun Jul 14 2019

...THE FLASH FLOOD WARNING FOR MORRISON COUNTY IS CANCELLED...

The heavy rain has ended...and flooding is no longer expected to pose
a threat. Please continue to heed any remaining road closures.

LAT...LON 4631 9455 4633 9443 4630 9436 4627 9434
      4623 9440 4618 9437 4616 9437 4616 9381
      4610 9380 4591 9420 4591 9464 4634 9465

$$

JPC

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 14, 7:05 PM CDTTornado WarningMPXMorrison25 min
Jul 14, 7:12 PM CDTSpecial Weather StatementMPXMille Lacs33 min
Jul 14, 7:24 PM CDTSpecial Weather StatementMPXMorrison96 min
Jul 14, 7:47 PM CDTTornado WarningMPXBenton, Mille Lacs, Morrison43 min
Jul 14, 8:04 PM CDTSpecial Weather StatementMPXKanabec, Mille Lacs56 min
Jul 14, 8:29 PM CDTSevere Thunderstorm WarningMPXChisago, Isanti, Kanabec46 min
Jul 14, 8:51 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Isanti24 min
Jul 14, 9:26 PM CDTSpecial Weather StatementMPXAnoka, Ramsey, Washington64 min
Jul 15, 4:25 AM CDTSpecial Weather StatementMPXLac qui Parle65 min
Jul 15, 2:57 PM CDTSpecial Weather StatementMPXTodd33 min
Jul 15, 3:32 PM CDTSpecial Weather StatementMPXTodd43 min
Jul 15, 3:47 PM CDTSpecial Weather StatementMPXDouglas43 min
Jul 15, 3:53 PM CDTSpecial Weather StatementMPXHennepin, Sherburne, Wright37 min
Jul 15, 4:08 PM CDTSpecial Weather StatementMPXMorrison52 min
Jul 15, 4:24 PM CDTSpecial Weather StatementMPXDouglas, Todd51 min
Jul 15, 4:24 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright36 min
Jul 15, 4:29 PM CDTSevere Thunderstorm WarningMPXHennepin, Wright31 min
Jul 15, 4:44 PM CDTSevere Thunderstorm WarningMPXIsanti, Sherburne31 min
Jul 15, 4:59 PM CDTSpecial Weather StatementMPXCarver46 min
Jul 15, 5:00 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Wright45 min
Jul 15, 5:05 PM CDTSpecial Weather StatementMPXDouglas40 min
Jul 15, 5:22 PM CDTSpecial Weather StatementMPXHennepin38 min
Jul 15, 5:28 PM CDTTornado WarningMPXCarver13 min
Jul 15, 5:37 PM CDTSevere Thunderstorm WarningMPXHennepin, Ramsey38 min
Jul 15, 5:44 PM CDTSpecial Weather StatementMPXChisago61 min
Jul 15, 5:44 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Scott31 min
Jul 15, 6:04 PM CDTSpecial Weather StatementMPXRamsey, Washington41 min
Jul 15, 6:17 PM CDTFlash Flood WarningMPXHennepin4 hr
Jul 15, 6:17 PM CDTSpecial Weather StatementMPXDakota28 min
Jul 15, 6:22 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin, Scott38 min
Jul 15, 6:29 PM CDTFlash Flood WarningMPXAnoka, Hennepin, Ramsey3 hr
Jul 15, 6:39 PM CDTSpecial Weather StatementMPXCarver, Scott3 hr
Jul 15, 6:45 PM CDTSpecial Weather StatementMPXDakota45 min
Jul 15, 6:49 PM CDTFlash Flood WarningMPXDakota, Hennepin, Scott3 hr
Jul 15, 6:58 PM CDTTornado WarningMPXScott20 min

Nearby

Flash Flood Warnings in Minnesota, 2019Every flash flood warning in 2019

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.