Alert archive / Michigan / Flash Flood Warnings in 2021

Flash Flood Warning 1, NWS Marquette, MI

July 14, 2021Menominee County, Michigan

NWS Marquette, MI issued this flash flood warning at Jul 14, 2021, 3:16 PM CDT for Menominee County, Michigan. It was in force for 3 hr. 3 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 14, 2021, 3:16 PM CDT (20:16 UTC)
Expired
Jul 14, 2021, 6:15 PM CDT
In force
3 hr
Issued by
NWS Marquette, MI
Area
Storm-based polygon
Flood severity
None

County Menominee County, MI

The radar

The Marquette radar (KMQT), 88 km from the middle of the area, began a volume at 20:20 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
Jul 14, 3:50 PM CDTFLASH FLOOD2 Nnw Hermansville, MISOCIAL MEDIA REPORT WITH ESTIMATED PRECIPITATION OF AT LEAST 7 INCHES BASED FROM PHOTO SUBMISSION. RADAR ESTIMATES AROUND 4 TO 6 INCHES OF PRECIPITATION. TIME ESTIMATED USING RADAR.
Jul 14, 3:50 PM CDTFLASH FLOOD2 Nw Hermansville, MIPUBLIC IMAGE ON SOCIAL MEDIA OF HERMANSVILLE GOLF COURSE WITH STANDING WATER ON COURSE. RADAR ESTIMATES AROUND 4 TO 6 INCHES OF PRECIPITATION. TIME ESTIMATED USING RADAR.
Jul 14, 3:50 PM CDTFLASH FLOODCunard, MISOCIAL MEDIA REPORT WITH ESTIMATED PRECIP AMT OF 8 INCHES. RADAR DUAL POL ESTIMATES RANGE FROM 5 TO 7 INCHES WITH LEGACY ESTIMATED AMOUNTS RANGING FROM 7 TO 9 INCHES. ROAD FLOODED.

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.3 hours before the alert went out and 144 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, Green Bay/Straub, WI at 12:00Z on 2021-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 579 joules per kilogram.LCLLFCEL10008507005003002001001 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, Green Bay/Straub, WI at 12:00Z on 2021-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.1939587897Sfc1 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
579 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1045 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

446 
WGUS53 KMQT 142016
FFWMQT
MIC109-142315-
/O.NEW.KMQT.FF.W.0001.210714T2016Z-210714T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Marquette MI
316 PM CDT Wed Jul 14 2021

The National Weather Service in Marquette has issued a

* Flash Flood Warning for...
  Northern Menominee County in south central upper Michigan...

* Until 615 PM CDT.

* At 316 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2.5 and 5 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, highways,
           culverts, streets and underpasses as well as other
           poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Powers, Hermansville, Wilson, Spalding and Cunard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 4578 8770 4579 8766 4581 8754 4577 8739
      4574 8736 4568 8743 4569 8757 4569 8771
      4570 8780 4572 8780 4572 8775 4572 8771
      4572 8770 4573 8770 4574 8770 4577 8770

FLASH FLOOD...RADAR INDICATED

$$

RJC
1 follow-up statement
509 
WGUS73 KMQT 142141
FFSMQT

Flash Flood Statement
National Weather Service Marquette MI
441 PM CDT Wed Jul 14 2021

MIC109-142315-
/O.CON.KMQT.FF.W.0001.000000T0000Z-210714T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Menominee MI-
441 PM CDT Wed Jul 14 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM CDT THIS 
EVENING FOR NORTHERN MENOMINEE COUNTY...

At 441 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 4 and 6 inches of rain have 
fallen in a small area near Hermansville and north of US-2 west to 
near Three Curve Park. Additional light rainfall of up to 0.5 inches 
are possible in the warned area. Although heavy rain has ended, 
flooding may continue for a couple hours while water recedes, 
especially along the Little Cedar River.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

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

Some locations that will experience flash flooding include...
  Powers, Hermansville, Wilson, Spalding and Cunard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 4578 8770 4579 8766 4581 8754 4577 8739
      4574 8736 4568 8743 4569 8757 4569 8771
      4570 8780 4572 8780 4572 8775 4572 8771
      4572 8770 4573 8770 4574 8770 4577 8770

FLASH FLOOD...RADAR INDICATED

$$

RJC

The office that day

Everything else NWS Marquette, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 14, 12:03 AM CDTSpecial Marine WarningMQT27 min
Jul 14, 1:07 PM CDTSpecial Weather StatementMQTAlger23 min
Jul 14, 1:39 PM CDTSpecial Weather StatementMQTAlger21 min
Jul 14, 1:47 PM CDTSpecial Weather StatementMQTSchoolcraft28 min
Jul 14, 2:11 PM CDTSpecial Weather StatementMQTSchoolcraft19 min
Jul 14, 2:14 PM CDTSpecial Weather StatementMQTLuce16 min
Jul 14, 2:16 PM CDTSevere Thunderstorm WarningMQTSchoolcraft17 min
Jul 14, 2:17 PM CDTSpecial Weather StatementMQTMenominee43 min
Jul 14, 2:28 PM CDTAreal Flood AdvisoryMQTDickinson, Menominee3 hr
Jul 14, 2:40 PM CDTSpecial Weather StatementMQTLuce50 min
Jul 14, 2:53 PM CDTSpecial Weather StatementMQTLuce37 min
Jul 14, 2:59 PM CDTSpecial Weather StatementMQTMenominee31 min
Jul 14, 3:08 PM CDTSpecial Weather StatementMQTDelta37 min
Jul 14, 3:41 PM CDTSpecial Weather StatementMQTLuce19 min
Jul 14, 4:23 PM CDTSmall Craft AdvisoryMQT11 hr
Jul 14, 4:58 PM CDTSpecial Weather StatementMQTSchoolcraft47 min

Nearby

Flash Flood Warnings in Michigan, 2021Every flash flood warning in 2021

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.