Alert archive / Indiana / Flash Flood Warnings in 2018

Flash Flood Warning 4, NWS Northern Indiana

June 9, 2018Branch County, Michigan; LaGrange County, Steuben County, Indiana

NWS Northern Indiana issued this flash flood warning at Jun 9, 2018, 5:39 PM EDT for Branch County, Michigan; LaGrange County, Steuben County, Indiana. 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 9, 2018, 5:39 PM EDT (21:39 UTC)
Expired
Jun 9, 2018, 8:45 PM EDT
In force
3 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

Counties LaGrange County, IN, Steuben County, IN, Branch County, MI

The radar

The Northern Indiana radar (KIWX), 70 km from the middle of the area, began a volume at 21:42 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 9, 8:33 PM EDTHEAVY RAIN 2.171 Se Crooked Lake, INMESONET STATION C0621, 1 SE CROOKED LAKE.

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

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.7 hours before the alert went out and 171 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, Detroit, MI at 12:00Z on 2018-06-09Temperature 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, Detroit, MI at 12:00Z on 2018-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 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
1269 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

824 
WGUS53 KIWX 092139
FFWIWX
INC087-151-MIC023-100045-
/O.NEW.KIWX.FF.W.0004.180609T2139Z-180610T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Northern Indiana
539 PM EDT SAT JUN 9 2018

The National Weather Service in Northern Indiana  has issued a

* Flash Flood Warning for...
  Steuben County in northeastern Indiana...
  Lagrange County in northeastern Indiana...
  Branch County in southwestern Michigan...

* Until 845 PM EDT.

* At 538 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Coldwater, Angola, Lagrange, Bronson, Fremont, Quincy, Union City,
  Ray, Girard, Scott, Kinderhook, Batavia, California, Gilead,
  Shipshewana, Orland, Clear Lake, Sherwood, York and Big Long Lake.

Additional rainfall amounts of one to three inches are possible in
the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 4207 8483 4176 8483 4176 8481 4161 8481
      4155 8519 4154 8544 4176 8564 4176 8529
      4207 8529

$$

SKIP
1 follow-up statement
693 
WGUS73 KIWX 092245
FFSIWX

Flash Flood Statement
National Weather Service Northern Indiana
645 PM EDT SAT JUN 9 2018

INC087-151-MIC023-100045-
/O.CON.KIWX.FF.W.0004.000000T0000Z-180610T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Steuben IN-Lagrange IN-Branch MI-
645 PM EDT SAT JUN 9 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR
STEUBEN...LAGRANGE AND BRANCH COUNTIES...

At 641 PM EDT, Doppler radar and mesonet rain gauges indicated
thunderstorms producing heavy rain over the warned area. Up to three
inches of rain have already fallen. Flash flooding is expected.

Some locations that will experience flooding include...
Coldwater, Angola, Lagrange, Bronson, Fremont, Quincy, Union City,
Ray, Girard, Scott, Kinderhook, Batavia, California, Gilead,
Shipshewana, Orland, Clear Lake, Sherwood, York and Big Long Lake.

Additional rainfall amounts of 2 to 4 inches are expected in
the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 4207 8483 4176 8483 4176 8481 4161 8481
      4155 8519 4154 8544 4176 8564 4176 8529
      4207 8529

$$

SKIP

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 3:02 PM EDTSpecial Weather StatementIWXCass43 min
Jun 9, 4:04 PM EDTSpecial Weather StatementIWXSaint Joseph26 min
Jun 9, 4:55 PM EDTAreal Flood AdvisoryIWXBranch, Cass, Saint Joseph3 hr
Jun 9, 5:05 PM EDTFlash Flood WarningIWXCass, Saint Joseph3 hr
Jun 9, 7:07 PM EDTSevere Thunderstorm WarningIWXHillsdale38 min
Jun 9, 12:51 AM EDTAreal Flood AdvisoryIWXCass, White4 hr
Jun 9, 5:25 AM EDTSpecial Weather StatementIWXKosciusko20 min
Jun 9, 6:01 AM EDTSpecial Weather StatementIWXWhitley44 min
Jun 9, 7:03 AM EDTSpecial Weather StatementIWXAllen42 min
Jun 9, 12:59 PM EDTSpecial Weather StatementIWXAllen, Huntington31 min
Jun 9, 1:09 PM EDTSpecial Weather StatementIWXWells36 min
Jun 9, 2:13 PM EDTSpecial Weather StatementIWXJay32 min
Jun 9, 2:38 PM EDTFlash Flood WarningIWXJay3 hr
Jun 9, 2:50 PM EDTSpecial Weather StatementIWXJay25 min

Nearby

Flash Flood Warnings in Indiana, 2018Flash Flood Warnings in Michigan, 2018Every flash flood warning in 2018

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.