Alert archive / Michigan / Flash Flood Warnings in 2012

Flash Flood Warning 4, NWS Northern Indiana

July 1, 2012Branch County, Hillsdale County, Michigan

NWS Northern Indiana issued this flash flood warning at Jul 1, 2012, 5:19 PM EDT for Branch County, Hillsdale County, Michigan. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 1, 2012, 5:19 PM EDT (21:19 UTC)
Expired
Jul 1, 2012, 8:15 PM EDT
In force
3 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

Counties Branch County, MI, Hillsdale County, MI

The radar

The Northern Indiana radar (KIWX), 100 km from the middle of the area, began a volume at 21:19 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.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.3 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, Detroit, MI at 12:00Z on 2012-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Detroit, MI at 12:00Z on 2012-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
2 J/kg
Mixed-layer CIN
-291 J/kg
Mixed-layer LCL
1587 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

971 
WGUS53 KIWX 012119
FFWIWX
MIC023-059-020015-
/O.NEW.KIWX.FF.W.0004.120701T2119Z-120702T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
519 PM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN HILLSDALE COUNTY IN SOUTHEAST MICHIGAN
  SOUTHEASTERN BRANCH COUNTY IN SOUTHWEST MICHIGAN

* UNTIL 815 PM EDT

* AT 514 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN CONTINUING FROM THUNDERSTORMS OVER THE WARNED AREA 
  WITH RAINFALL OVER 2 INCHES IN THE PAST HOUR. ADDITIONAL RAINFALL  
  AMOUNTS AROUND AN INCH ARE POSSIBLE IN THE WARNED AREA. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MARBLE
  LAKE...QUINCY...PITTSFORD...OSSEO...LAKE WILSON...LONG LAKE...BEAR
  LAKE...READING AND HILLSDALE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
NORTHERN INDIANA.

&&

LAT...LON 4190 8435 4175 8436 4171 8437 4170 8451
      4174 8480 4176 8480 4176 8495 4177 8506
      4196 8494

$$
2 follow-up statements
315 
WGUS73 KIWX 012243
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
643 PM EDT SUN JUL 1 2012

MIC023-059-020015-
/O.CON.KIWX.FF.W.0004.000000T0000Z-120702T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HILLSDALE MI-BRANCH MI-
643 PM EDT SUN JUL 1 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
SOUTHEASTERN BRANCH AND SOUTHERN HILLSDALE COUNTIES...

AT 635 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT HEAVY RAINFALL HAD MOVED OUT OF THE AREA. HOWEVER... RAINFALL 
AMOUNTS OF NEARLY 3 INCHES WERE ESTIMATED BY RADAR BETWEEN 430 PM 
AND 630 PM EDT OVER PORTIONS OF THE WARNED AREA. HEAVIEST RAINFALL 
FELL IN THE SHADYSIDE AREA INCLUDING THE ANDERSON DRAIN... SILVER 
CREEK... AND LAIRD CREEK. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
KINDERHOOK...CALIFORNIA...MARBLE LAKE...COLDWATER 
LAKE...QUINCY...PITTSFORD...OSSEO...CAMBRIA...LAKE WILSON...LONG 
LAKE...BEAR LAKE...READING AND HILLSDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

IF YOU HAVE FLOODING TO REPORT...YOU CAN CALL YOUR LOCAL LAW 
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 4190 8435 4175 8436 4171 8437 4170 8451
      4174 8480 4176 8480 4176 8495 4177 8506
      4196 8494

$$
993 
WGUS73 KIWX 020015
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
815 PM EDT SUN JUL 1 2012

MIC023-059-020020-
/O.EXP.KIWX.FF.W.0004.000000T0000Z-120702T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HILLSDALE MI-BRANCH MI-
815 PM EDT SUN JUL 1 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 815 PM EDT FOR SOUTHEASTERN
BRANCH AND SOUTHERN HILLSDALE COUNTIES...

RAIN ENDED ACROSS THE AREA AROUND 630 PM WITH NEARLY 3 INCHES 
INDICATED BY RADAR IN A 2 HOUR PERIOD OVER PORTIONS OF THE WARNED 
AREA. FLOODING CAUSED BY THE DOWNPOUR SHOULD HAVE RECEDED BY NOW... 
SO THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. 

LAT...LON 4190 8435 4175 8436 4171 8437 4170 8451
      4174 8480 4176 8480 4176 8495 4177 8506
      4196 8494

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 3:25 PM EDTSpecial Weather StatementIWXCass35 min
Jul 1, 3:48 PM EDTSevere Thunderstorm WarningIWXCass, Saint Joseph27 min
Jul 1, 4:12 PM EDTSpecial Weather StatementIWXSaint Joseph33 min
Jul 1, 4:25 PM EDTSevere Thunderstorm WarningIWXBranch, Saint Joseph50 min
Jul 1, 4:32 PM EDTSevere Thunderstorm WarningIWXBranch, Hillsdale43 min
Jul 1, 4:52 PM EDTSevere Thunderstorm WarningIWXBranch, Hillsdale38 min

Nearby

Flash Flood Warnings in Michigan, 2012Every flash flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.