Alert archive / Minnesota / Flash Flood Warnings in 2019

Flash Flood Warning 1, NWS Twin Cities, MN

March 22, 2019Wright County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Mar 22, 2019, 7:21 PM CDT for Wright County, Minnesota. It was in force for 4 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
Mar 22, 2019, 7:21 PM CDT (00:21 UTC)
Expired
Mar 22, 2019, 10:52 PM CDT
In force
4 hr
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Flood severity
None

County Wright County, MN

The radar

The Minneapolis radar (KMPX), 26 km from the middle of the area, began a volume at 00:23 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, 0.4 hours before the alert went out and 25 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 2019-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2019-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2062 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

773 
WGUS53 KMPX 230021
FFWMPX
MNC171-230615-
/O.NEW.KMPX.FF.W.0001.190323T0021Z-190323T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
721 PM CDT FRI MAR 22 2019

The National Weather Service in The Twin Cities has issued a

* Flash Flood Warning for...
  South central Wright County in central Minnesota...

* Until 115 AM CDT.

* At 719 PM CDT, an ice jam was on Bridge Avenue causing the Crow 
  River to rise into Major Flood Stage. This could lead to flash 
  flooding if the river continues to rise.

* Some locations that will experience flooding include...
  Delano. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay away and do not drive into flood waters.

&&

LAT...LON 4507 9376 4499 9377 4498 9377 4498 9381
      4509 9381

$$

JRB
1 follow-up statement
854 
WGUS73 KMPX 230352
FFSMPX

Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
1052 PM CDT FRI MAR 22 2019

MNC171-230400-
/O.CAN.KMPX.FF.W.0001.000000T0000Z-190323T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wright MN-
1052 PM CDT FRI MAR 22 2019

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL WRIGHT COUNTY IS
CANCELLED...

The ice jam has been cleared and now flood waters are slowly 
receding. Flood warnings remains in effect along the South Crow 
River. Please continue to heed any remaining road closures and never 
drive into flood waters.

LAT...LON 4507 9376 4499 9377 4498 9377 4498 9381
      4509 9381

$$

JRB

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 8:31 AM CDTAreal Flood WarningMPXLac qui Parle4 days
Mar 23, 10:02 AM CDTRiver Flood WarningMPXChippewa, Renville, Yellow Medicine21 days
Mar 23, 10:02 AM CDTRiver Flood WarningMPXGoodhue21 days
Mar 23, 10:02 AM CDTRiver Flood WarningMPXTodd21 days

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.