Alert archive / Michigan / Flash Flood Warnings in 2012

Flash Flood Warning 4, NWS Grand Rapids, MI

May 3, 2012Osceola County, Michigan

NWS Grand Rapids, MI issued this flash flood warning at May 3, 2012, 3:01 PM EDT for Osceola County, Michigan. It was in force for 5 hr. 7 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: May 3, 2012, 3:01 PM EDT (19:01 UTC)
Expired: May 3, 2012, 8:06 PM EDT
In force: 5 hr
Issued by: NWS Grand Rapids, MI
Area: Storm-based polygon
Flood severity: None

County Osceola County, MI

The radar

The NCL Michigan radar (KAPX), 107 km from the middle of the area, began a volume at 19:03 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
May 3, 5:15 PM EDT	FLASH FLOOD	1 Sw Marion, MI	40TH AVENUE WASHED OUT BETWEEN 19TH AVENUE AND 20 MILE RAOD.
May 3, 5:56 PM EDT	FLASH FLOOD	7 Ene Reed City, MI	7 MILE ROAD NEAR 150TH AVENUE CLOSED DUE TO FLOODING.
May 3, 6:00 PM EDT	HEAVY RAIN 3.83	3 Se Mcbain, MI	15 HR TOTAL THRU 6 PM.
May 3, 6:00 PM EDT	FLASH FLOOD	3 Ssw Reed City, MI	TWO FOOT DEEP WASHOUT ON A SECTION OF 230TH AVENUE SOUTH OF 2 MILE ROAD.
May 3, 6:00 PM EDT	FLASH FLOOD	4 Ne Pinora Twp, MI	12 MILE ROAD 3/4 MILES EAST OF LAKOLA ROAD WAS WASHED OUT TO A DEPTH OF 4 FEET.
May 3, 6:20 PM EDT	FLASH FLOOD	4 Nne Tustin, MI	170TH AVENUE CLOSED DUE TO FLOODING.
May 3, 7:15 PM EDT	FLASH FLOOD	5 Ese Evart, MI	ROAD CLOSED DUE TO FLOODING.

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, 7.0 hours before the alert went out and 209 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: 1476 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 948 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 233 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.3

Open this sounding in Storm Lab

The text

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

908 
WGUS53 KGRR 031901
FFWGRR
MIC133-040100-
/O.NEW.KGRR.FF.W.0004.120503T1901Z-120504T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
301 PM EDT THU MAY 3 2012

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  OSCEOLA COUNTY IN CENTRAL MICHIGAN...

* UNTIL 900 PM EDT

* AT 300 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. ADDITIONAL APPROACHING THUNDERSTORMS WILL MAKE 
  FLOODING LIKELY. THIS FLASH FLOOD WARNING REPLACES THE FLOOD 
  ADVISORY FOR OSCEOLA COUNTY.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...REED
  CITY...EVART...LEROY...MARION...ASHTON...AVONDALE...HIGHLAND...
  INA...PARK LAKE AND PISGAH HEIGHTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

&&

LAT...LON 4417 8509 4382 8509 4382 8556 4417 8556

$$

TJT

1 follow-up statement

016 
WGUS73 KGRR 040006
FFSGRR

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
806 PM EDT THU MAY 3 2012

MIC133-040019-
/O.CAN.KGRR.FF.W.0004.000000T0000Z-120504T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OSCEOLA MI-
806 PM EDT THU MAY 3 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR OSCEOLA COUNTY IS
CANCELLED...

AN AREAL FLOOD ADVISORY HAS REPLACED THE FLASH FLOOD WARNING FOR 
OSCEOLA COUNTY. PLEASE SEE ARBFLSGRR FOR MORE DETAILS.

IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW 
ENFORCEMENT AGENCY.

LAT...LON 4417 8509 4382 8509 4382 8556 4417 8556

$$

NJJ

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 1:09 AM EDT	Special Weather Statement	GRR	Muskegon, Oceana	66 min
May 3, 1:42 AM EDT	Special Weather Statement	GRR	Lake, Mason, Oceana	78 min
May 3, 2:55 AM EDT	Special Weather Statement	GRR	Clare, Gratiot, Isabella, Lake, Mason, Mecosta and 1 more	80 min
May 3, 4:04 AM EDT	Special Weather Statement	GRR	Clare, Lake, Osceola	71 min
May 3, 4:39 AM EDT	Special Weather Statement	GRR	Clare, Osceola	66 min
May 3, 4:42 AM EDT	Special Weather Statement	GRR	Lake, Mason	63 min
May 3, 5:30 AM EDT	Special Weather Statement	GRR	Clare, Isabella, Lake, Mecosta, Osceola	60 min
May 3, 5:42 AM EDT	Areal Flood Advisory	GRR	Lake, Mason, Osceola	10 hr
May 3, 6:08 AM EDT	Severe Thunderstorm Warning	GRR	Clare, Isabella, Lake, Mecosta, Newaygo, Osceola	67 min
May 3, 7:10 AM EDT	Special Weather Statement	GRR	Clare, Osceola	65 min
May 3, 8:50 AM EDT	Flash Flood Warning	GRR	Lake	4 hr
May 3, 10:22 AM EDT	Flash Flood Watch	GRR	Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more	22 hr
May 3, 10:56 AM EDT	River Flood Advisory	GRR	Ingham	58 hr
May 3, 10:56 AM EDT	River Flood Advisory	GRR	Mason	5 days
May 3, 10:56 AM EDT	River Flood Advisory	GRR	Osceola	6 days
May 3, 11:54 AM EDT	Special Weather Statement	GRR	Mason	51 min
May 3, 12:26 PM EDT	Special Weather Statement	GRR	Lake	64 min
May 3, 12:37 PM EDT	Flash Flood Warning	GRR	Mason	6 hr
May 3, 12:38 PM EDT	Special Marine Warning	GRR		41 min
May 3, 12:50 PM EDT	Flash Flood Warning	GRR	Lake	6 hr
May 3, 1:09 PM EDT	Severe Thunderstorm Warning	GRR	Mason	41 min
May 3, 1:23 PM EDT	Severe Thunderstorm Warning	GRR	Lake	52 min
May 3, 1:56 PM EDT	Special Weather Statement	GRR	Newaygo	19 min
May 3, 2:03 PM EDT	Severe Thunderstorm Warning	GRR	Osceola	57 min
May 3, 2:57 PM EDT	Severe Thunderstorm Warning	GRR	Oceana	63 min
May 3, 3:02 PM EDT	Severe Thunderstorm Warning	GRR	Newaygo	43 min
May 3, 3:08 PM EDT	Special Marine Warning	GRR		82 min
May 3, 3:20 PM EDT	Special Weather Statement	GRR	Clare, Gratiot, Isabella, Kent, Mecosta, Montcalm and 3 more	115 min
May 3, 3:21 PM EDT	Severe Thunderstorm Warning	GRR	Clare	54 min
May 3, 3:36 PM EDT	Severe Thunderstorm Warning	GRR	Mecosta	54 min
May 3, 4:16 PM EDT	Severe Thunderstorm Warning	GRR	Isabella	38 min
May 3, 4:32 PM EDT	Special Marine Warning	GRR		59 min
May 3, 4:38 PM EDT	Severe Thunderstorm Warning	GRR	Muskegon	52 min
May 3, 4:46 PM EDT	Severe Thunderstorm Warning	GRR	Allegan, Barry	44 min
May 3, 5:13 PM EDT	Severe Thunderstorm Warning	GRR	Kent, Newaygo, Ottawa	41 min
May 3, 5:30 PM EDT	Severe Thunderstorm Warning	GRR	Barry, Clinton, Eaton, Ionia	60 min
May 3, 5:49 PM EDT	Severe Thunderstorm Warning	GRR	Barry, Calhoun, Kalamazoo	56 min
May 3, 6:21 PM EDT	Severe Thunderstorm Warning	GRR	Clinton, Gratiot, Ionia, Montcalm	54 min
May 3, 6:30 PM EDT	Severe Thunderstorm Warning	GRR	Clinton, Eaton, Ingham	60 min
May 3, 6:59 PM EDT	Areal Flood Advisory	GRR	Clinton	16 hr
May 3, 7:01 PM EDT	Special Marine Warning	GRR		119 min
May 3, 7:30 PM EDT	Severe Thunderstorm Warning	GRR	Ingham	45 min

Nearby

Flash Flood Warnings in Michigan, 2012 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.