Alert archive / Minnesota / Flash Flood Warnings in 2024

Flash Flood Warning 6, NWS Twin Cities, MN

June 21, 2024Faribault County, Freeborn County, Martin County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 21, 2024, 9:29 PM CDT for Faribault County, Freeborn County, Martin County, Minnesota. It was in force for 6 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 21, 2024, 9:29 PM CDT (02:29 UTC)
Expired
Jun 22, 2024, 3:30 AM CDT
In force
6 hr
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Flood severity
None

Counties Faribault County, MN, Freeborn County, MN, Martin County, MN

The radar

The Minneapolis radar (KMPX), 134 km from the middle of the area, began a volume at 02:28 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

TimeReportWhereRemark
Jun 22, 1:00 AM CDTFLASH FLOOD2 Ne Hollandale, MN6 inches of water flowing over roadway. Delayed report, time estimated by radar.

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, 2.5 hours before the alert went out and 134 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 2024-06-22Temperature 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 2024-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.19395878Sfc1 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
583 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

987 
WGUS53 KMPX 220229
FFWMPX
MNC043-047-091-220830-
/O.NEW.KMPX.FF.W.0006.240622T0229Z-240622T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
929 PM CDT Fri Jun 21 2024

The National Weather Service in the Twin Cities has issued a

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

* Until 330 AM CDT Saturday.

* At 929 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain moving into the warned area. The expected rainfall rate 
  is 0.75 to 1.5 inches in 1 hour. 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.

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 4385 9485 4385 9305 4350 9305 4350 9485

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.75-1.5 INCHES IN 1 HOUR

$$

Borghoff
2 follow-up statements
325 
WGUS73 KMPX 220451
FFSMPX

Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
1151 PM CDT Fri Jun 21 2024

MNC043-047-091-220830-
/O.CON.KMPX.FF.W.0006.000000T0000Z-240622T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Faribault MN-Freeborn MN-Martin MN-
1151 PM CDT Fri Jun 21 2024

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM CDT SATURDAY 
FOR FARIBAULT, FREEBORN AND MARTIN COUNTIES...

At 1151 PM CDT, Doppler radar indicated thunderstorms producing 
heavy rain across the warned area. Between 0.5 and 2 inches of rain 
have fallen. Additional rainfall amounts of 2 to 4 inches are 
possible in the warned area, especially south of I-90. 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.

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 4385 9485 4385 9305 4350 9305 4350 9485

FLASH FLOOD...RADAR INDICATED

$$

Borghoff
281 
WGUS73 KMPX 220827
FFSMPX

Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
327 AM CDT Sat Jun 22 2024

MNC043-047-091-220837-
/O.EXP.KMPX.FF.W.0006.000000T0000Z-240622T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Faribault MN-Freeborn MN-Martin MN-
327 AM CDT Sat Jun 22 2024

...FLASH FLOOD WARNING WILL EXPIRE AT 330 AM CDT EARLY THIS MORNING 
FOR FARIBAULT, FREEBORN AND MARTIN COUNTIES...

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

&&

LAT...LON 4385 9485 4385 9305 4350 9305 4350 9485

$$

MPG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 8:39 PM CDTFlash Flood WarningMPXBlue Earth, Watonwan5 hr
Jun 21, 10:09 PM CDTFlash Flood WarningMPXLe Sueur, Rice, Steele, Waseca6 hr
Jun 22, 2:23 AM CDTAreal Flood WarningMPXBlue Earth, Waseca, Watonwan3 days
Jun 22, 2:29 AM CDTAreal Flood WarningMPXLe Sueur, Rice, Steele, Waseca3 days
Jun 22, 12:22 PM CDTSpecial Weather StatementMPXRedwood38 min
Jun 22, 1:58 PM CDTSpecial Weather StatementMPXWaseca47 min
Jun 22, 2:38 PM CDTSpecial Weather StatementMPXSteele22 min
Jun 22, 4:14 PM CDTAreal Flood WarningMPXFaribault, Freeborn, Martin66 hr

Nearby

Flash Flood Warnings in Minnesota, 2024Every flash flood warning in 2024

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.