Alert archive / Minnesota / Flash Flood Warnings in 2022

Flash Flood Warning 2, NWS Twin Cities, MN

June 23, 2022Morrison County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 23, 2022, 10:17 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: Jun 23, 2022, 10:17 PM CDT (03:17 UTC)
Expired: Jun 24, 2022, 12:54 AM 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), 154 km from the middle of the area, began a volume at 03:19 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, 3.3 hours before the alert went out and 153 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 188 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 2723 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

510 
WGUS53 KMPX 240317
FFWMPX
MNC097-240615-
/O.NEW.KMPX.FF.W.0002.220624T0317Z-220624T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
1017 PM CDT Thu Jun 23 2022

The National Weather Service in the Twin Cities has issued a

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

* Until 115 AM CDT.

* At 1017 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 3 inches of 
  rain have fallen. Additional rainfall amounts of 1 to 3 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Randall, Camp Ripley, Harding and Camp Ripley Junction.

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 4616 9401 4606 9407 4606 9436 4610 9450
      4618 9450 4621 9440 4618 9437 4616 9437

FLASH FLOOD...RADAR INDICATED

$$

CTG

1 follow-up statement

832 
WGUS73 KMPX 240554
FFSMPX

Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
1254 AM CDT Fri Jun 24 2022

MNC097-240604-
/O.CAN.KMPX.FF.W.0002.000000T0000Z-220624T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morrison MN-
1254 AM CDT Fri Jun 24 2022

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

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

LAT...LON 4616 9401 4606 9407 4606 9436 4610 9450
      4618 9450 4621 9440 4618 9437 4616 9437

$$

CEO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 7:15 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	15 min
Jun 23, 8:30 PM CDT	Severe Thunderstorm Warning	MPX	Mille Lacs, Morrison	45 min
Jun 23, 8:43 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	32 min
Jun 23, 8:48 PM CDT	Special Weather Statement	MPX	Kanabec	57 min
Jun 23, 9:14 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	46 min
Jun 23, 10:01 PM CDT	Special Weather Statement	MPX	Morrison	44 min
Jun 23, 10:35 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	25 min
Jun 23, 10:41 PM CDT	Special Weather Statement	MPX	Isanti	64 min
Jun 23, 11:22 PM CDT	Special Weather Statement	MPX	Morrison, Todd	83 min
Jun 24, 12:06 AM CDT	Flash Flood Warning	MPX	Morrison	3 hr
Jun 24, 12:23 AM CDT	Special Weather Statement	MPX	Benton	37 min
Jun 24, 12:31 AM CDT	Special Weather Statement	MPX	Todd	29 min
Jun 24, 1:26 AM CDT	Special Weather Statement	MPX	Isanti, Sherburne	94 min
Jun 24, 1:50 AM CDT	Severe Thunderstorm Warning	MPX	Benton, Sherburne	25 min
Jun 24, 2:27 AM CDT	Severe Thunderstorm Warning	MPX	Benton, Sherburne	31 min
Jun 24, 3:33 AM CDT	Special Weather Statement	MPX	Sherburne	27 min
Jun 24, 4:07 AM CDT	Special Weather Statement	MPX	Benton	23 min
Jun 24, 5:04 AM CDT	Special Weather Statement	MPX	Sherburne	56 min
Jun 24, 7:33 AM CDT	Special Weather Statement	MPX	Stearns	87 min
Jun 24, 9:00 AM CDT	Special Weather Statement	MPX	Morrison	6 hr
Jun 24, 2:19 PM CDT	Flood Watch	MPX	Benton, Isanti, Kanabec, Mille Lacs, Morrison, Sherburne and 2 more	15 hr

Nearby

Flash Flood Warnings in Minnesota, 2022 Every flash flood warning in 2022

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.