Alert archive / Minnesota / Flash Flood Warnings in 2022

Flash Flood Warning 4, NWS Twin Cities, MN

July 5, 2022Freeborn County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jul 5, 2022, 8:22 PM CDT for Freeborn County, Minnesota. It was in force for 3 hr. 5 reports 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: Jul 5, 2022, 8:22 PM CDT (01:22 UTC)
Expired: Jul 5, 2022, 11:15 PM CDT
In force: 3 hr
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Flood severity: None

County Freeborn County, MN

The radar

The Minneapolis radar (KMPX), 132 km from the middle of the area, began a volume at 01:26 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
Jul 5, 8:32 PM CDT	FLASH FLOOD	1 S Albert Lea, MN	TRAINED SPOTTER REPORTED 3-7 INCHES OF STANDING WATER AT THE INTERSECTION OF 4TH ST. AND JAMES AVE.
Jul 5, 8:32 PM CDT	FLASH FLOOD	1 S Albert Lea, MN	TRAINED SPOTTER REPORTED AREAS OF 3-7 INCHES OF STANDING WATER ALONG S BROADWAY AVE IN BETWEEN 5TH ST AND 7TH ST.
Jul 5, 8:32 PM CDT	FLASH FLOOD	Albert Lea, MN	TRAINED SPOTTER REPORTED 3-7 INCHES OF STANDING WATER AT THE INTERSECTION OF BROADWAY AVE AND FRONT ST.
Jul 5, 8:45 PM CDT	FLASH FLOOD	Albert Lea, MN	BROADCAST MEDIA FORWARDED REPORT OF STANDING WATER TO CAR WINDOWS IN DOLLAR GENERAL PARKING LOT ON MAIN STREET AND S WASHINGTON AVE.
Jul 5, 9:15 PM CDT	FLASH FLOOD	1 Sse Albert Lea, MN	FOUNDATION DAMAGE TO HOME ON FRANKS AVE AND 8TH ST. PHOTO PROVIDED THROUGH SOCIAL MEDIA.

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, 1.4 hours before the alert went out and 132 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: 1136 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 976 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

402 
WGUS53 KMPX 060122
FFWMPX
MNC047-060415-
/O.NEW.KMPX.FF.W.0004.220706T0122Z-220706T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
822 PM CDT Tue Jul 5 2022

The National Weather Service in the Twin Cities has issued a

* Flash Flood Warning for...
  Central Freeborn County in south central Minnesota...

* Until 1115 PM CDT.

* At 822 PM CDT, local law enforcement reported thunderstorms 
  producing heavy rain across the warned area. Between 1 and 3 
  inches of rain have fallen. The expected rainfall rate is 1 to 1.5 
  inches in 1 hour. 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...Law enforcement reported.

  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...
  Albert Lea, Hayward and Albert Lea Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4372 9344 4372 9323 4360 9323 4360 9344

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL RATE...1-1.5 INCHES IN 1 HOUR

$$

JLT

1 follow-up statement

436 
WGUS73 KMPX 060412
FFSMPX

Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
1112 PM CDT Tue Jul 5 2022

MNC047-060422-
/O.EXP.KMPX.FF.W.0004.000000T0000Z-220706T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Freeborn MN-
1112 PM CDT Tue Jul 5 2022

...FLASH FLOOD WARNING WILL EXPIRE AT 1115 PM CDT THIS EVENING FOR 
CENTRAL FREEBORN COUNTY...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

LAT...LON 4372 9344 4372 9323 4360 9323 4360 9344

$$

NDC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 7:10 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	35 min
Jul 5, 7:53 PM CDT	Special Weather Statement	MPX	Freeborn	52 min
Jul 5, 7:55 PM CDT	Special Weather Statement	MPX	Faribault, Freeborn	3 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.