Alert archive / Michigan / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Grand Rapids, MI

May 3, 2012Osceola County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at May 3, 2012, 2:03 PM EDT for Osceola County, Michigan. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 3, 2012, 2:03 PM EDT (18:03 UTC)
Expired: May 3, 2012, 3:00 PM EDT
In force: 57 min
Issued by: NWS Grand Rapids, MI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Osceola County, MI

The radar

The NCL Michigan radar (KAPX), 109 km from the middle of the area, began a volume at 18:02 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 3, 12:41 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 6.1 hours before the alert went out and 210 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.

575 
WUUS53 KGRR 031803
SVRGRR
MIC133-031900-
/O.NEW.KGRR.SV.W.0013.120503T1803Z-120503T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
203 PM EDT THU MAY 3 2012

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OSCEOLA COUNTY IN CENTRAL MICHIGAN...

* UNTIL 300 PM EDT

* AT 202 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING LARGE
  HAIL.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM MCBAIN
  TO BITELY..AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  REED CITY...          LEROY...              MARION...
  EVART...              HARTWICK TWP...       MIDDLE BRANCH TWP...
  SYLVAN TWP...         ORIENT TWP...         SEARS...
  DIGHTON...            TUSTIN...             HERSEY...
  PARK LAKE...          HIGHLAND...           INA...
  PISGAH HEIGHTS...     AVONDALE...           ASHTON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4416 8508 4382 8509 4382 8556 4403 8556
      4417 8550
TIME...MOT...LOC 1803Z 262DEG 37KT 4417 8524 4379 8582
WIND...HAIL <50MPH 1.00IN

$$

OSTUNO

2 follow-up statements

223 
WWUS53 KGRR 031840
SVSGRR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
240 PM EDT THU MAY 3 2012

MIC133-031900-
/O.CON.KGRR.SV.W.0013.000000T0000Z-120503T1900Z/
OSCEOLA MI-
240 PM EDT THU MAY 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR OSCEOLA COUNTY
UNTIL 300 PM EDT...

AT 237 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING LARGE HAIL. 
THESE STORMS WERE LOCATED JUST EAST OF A REED CITY TO PARK LAKE 
LINE...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  REED CITY...          MARION...             EVART...
  HARTWICK TWP...       MIDDLE BRANCH TWP...  SYLVAN TWP...
  ORIENT TWP...         SEARS...              DIGHTON...
  HERSEY...             PARK LAKE...          HIGHLAND...
  INA...                PISGAH HEIGHTS...     AVONDALE...
  ASHTON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT. HOWEVER...TORNADOES CAN 
SOMETIMES DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A
STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

&&

LAT...LON 4416 8508 4382 8510 4382 8556 4395 8556
      4417 8523
TIME...MOT...LOC 1838Z 262DEG 37KT 4410 8501 4384 8540
WIND...HAIL <50MPH 1.00IN

$$

TJT

823 
WWUS53 KGRR 031906
SVSGRR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
306 PM EDT THU MAY 3 2012

MIC133-031913-
/O.EXP.KGRR.SV.W.0013.000000T0000Z-120503T1900Z/
OSCEOLA MI-
306 PM EDT THU MAY 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR OSCEOLA COUNTY HAS EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA. HOWEVER...ADDITIONAL THUNDERSTORMS CAN BE EXPECTED 
THROUGH 5 PM. ANY OF THESE STORMS WILL BE CAPABLE OF PRODUCING HAIL 
UP TO QUARTER SIZE...VERY HEAVY RAIN...AND FREQUENT DEADLY 
LIGHTNING. A FLASH FLOOD WARNING REMAINS IN EFFECT FOR OSCEOLA 
COUNTY UNTIL 9 PM EDT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT
THURSDAY EVENING FOR WEST CENTRAL MICHIGAN.


LAT...LON 4416 8508 4382 8510 4382 8556 4395 8556
      4417 8523
TIME...MOT...LOC 1840Z 262DEG 37KT 4410 8498 4384 8537

$$

TJT

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, 2:57 PM EDT	Severe Thunderstorm Warning	GRR	Oceana	63 min
May 3, 3:01 PM EDT	Flash Flood Warning	GRR	Osceola	5 hr
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

Severe Thunderstorm Warnings in Michigan, 2012 Every severe thunderstorm 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.