Alert archive / Minnesota / Flash Flood Warnings in 2022

Flash Flood Warning 3, NWS Twin Cities, MN

June 24, 2022Morrison County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 24, 2022, 12:06 AM CDT for Morrison County, Minnesota. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 24, 2022, 12:06 AM CDT (05:06 UTC)
Expired: Jun 24, 2022, 3:00 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), 152 km from the middle of the area, began a volume at 05:05 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.

What was reported inside it

Time	Report	Where	Remark
Jun 24, 3:00 AM CDT	FLASH FLOOD	Randall, MN	30 HOMES WERE EVACUATED IN THE TOWN OF RANDALL DUE TO FLOODING ALONG THE LITTLE ELK RIVER. THE HEAVIEST RAINFALL OCCURRED BEFORE 4 AM WITH RESIDUAL FLOODING ALONG THE RIVER DURING THE MORNING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 5.1 hours before the alert went out and 151 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.

196 
WGUS53 KMPX 240506
FFWMPX
MNC097-240800-
/O.NEW.KMPX.FF.W.0003.220624T0506Z-220624T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
1206 AM CDT Fri Jun 24 2022

The National Weather Service in the Twin Cities has issued a

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

* Until 300 AM CDT.

* At 1206 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 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...
  Little Falls, Pierz, Randall, Flensburg, Lastrup, Buckman, 
  Sobieski, Genola and Little Falls Airport.

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 4612 9465 4613 9463 4618 9450 4613 9451
      4610 9451 4605 9435 4605 9406 4586 9410
      4586 9429 4596 9465 4603 9465 4605 9465
      4606 9465 4609 9465

FLASH FLOOD...RADAR INDICATED

$$

JRB

1 follow-up statement

012 
WGUS73 KMPX 240802
FFSMPX

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

MNC097-240812-
/O.EXP.KMPX.FF.W.0003.000000T0000Z-220624T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morrison MN-
302 AM CDT Fri Jun 24 2022

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHWESTERN 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 4612 9465 4613 9463 4618 9450 4613 9451
      4610 9451 4605 9435 4605 9406 4586 9410
      4586 9429 4596 9465 4603 9465 4605 9465
      4606 9465 4609 9465

$$

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, 10:17 PM CDT	Flash Flood Warning	MPX	Morrison	3 hr
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, 12:23 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.