Alert archive / Michigan / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 21, NWS Grand Rapids, MI

June 18, 2010Allegan County, Barry County, Kalamazoo County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 18, 2010, 7:00 PM EDT for Allegan County, Barry County, Kalamazoo County, Michigan. It was in force for 60 min. 9 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
Jun 18, 2010, 7:00 PM EDT (23:00 UTC)
Expired
Jun 18, 2010, 8:00 PM EDT
In force
60 min
Issued by
NWS Grand Rapids, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
75.0 mph

Counties Allegan County, MI, Barry County, MI, Kalamazoo County, MI

The radar

The Grand Rapids radar (KGRR), 58 km from the middle of the area, began a volume at 23:03 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

TimeReportWhereRemark
Jun 18, 7:25 PM EDTTSTM WND DMG1 Nne Plainwell, MITREE WITH WIRES DOWN AND BLOCKING THE ROAD.
Jun 18, 7:25 PM EDTTSTM WND GST 60Kalamazoo, MINUMEROUS REPORTS IN KALAMAZOO.
Jun 18, 7:25 PM EDTTSTM WND GST 653 Wsw Kalamazoo, MIPOWER LINES DOWN.
Jun 18, 7:30 PM EDTHAIL 0.53 Wsw Galesburg, MI
Jun 18, 7:33 PM EDTTSTM WND GST 543 Wsw Kalamazoo, MI
Jun 18, 7:40 PM EDTTSTM WND DMGHastings, MI5 LARGE MOSTLY UNHEALTHY TREES DOWN. TOOK DOWN POWERLINES. ESTIMATED 50 MPH GUST.
Jun 18, 7:46 PM EDTTSTM WND DMG4 Ese Vicksburg, MI9 INCH LIMB APPROXIMATELY 30 FEET LONG DOWN OVER ROAD AT X AVE AND 31ST
Jun 18, 8:00 PM EDTTSTM WND DMGSsw Schoolcraft, MI4-6 INCH TREE LIMBS DOWN ALL OVER THE PLACE. POWER OUT. STANDING WATER OVER MANY ROADS INCLUDING 131.
Jun 18, 8:05 PM EDTTSTM WND DMGHastings, MI5 FOOT DIAMETER TREE DOWN ON POWER LINES AND LAYING ACROSS JEFFERSON....MOSTLY ROTTED...NEAR JEFFERSON AND GRANT.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 18, 4:32 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 11.0 hours before the alert went out and 169 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 2010-06-18Temperature 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 2010-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.1939Sfc1 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
1056 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
92 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.

899 
WUUS53 KGRR 182300
SVRGRR
MIC005-015-077-190000-
/O.NEW.KGRR.SV.W.0021.100618T2300Z-100619T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
700 PM EDT FRI JUN 18 2010

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN ALLEGAN COUNTY IN SOUTHWEST MICHIGAN...
  BARRY COUNTY IN SOUTHWEST MICHIGAN...
  KALAMAZOO COUNTY IN SOUTHWEST MICHIGAN...

* UNTIL 800 PM EDT

* AT 654 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  DESTRUCTIVE WINDS IN EXCESS OF 75 MPH.  THESE STORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM 7 MILES NORTHWEST OF SAUGATUCK TO 9
  MILES NORTH OF BANGOR TO 24 MILES SOUTH OF DOWAGIAC..AND MOVING
  EAST AT 50 MPH. SMALL HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* LOCATIONS IMPACTED INCLUDE...
  KALAMAZOO...          HASTINGS...           RICHLAND...
  SCHOOLCRAFT...        MIDDLEVILLE...        NASHVILLE...
  PLAINWELL...          WAYLAND...            OSHTEMO...
  GALESBURG...          FULTON...             PORTAGE...
  CLIMAX...             VICKSBURG...          ALAMO...
  AUGUSTA...            MORGAN...             ASSYRIA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS HAVE A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE
ACROSS NORTHERN ILLINIOS...SOUTHERN WISCONSIN...AND NORTHERN 
INDIANA. THIS IS AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW 
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4208 8577 4276 8578 4277 8509 4243 8508
      4243 8530 4207 8530
TIME...MOT...LOC 2259Z 266DEG 43KT 4273 8622 4244 8603
          4165 8605
WIND...HAIL 75MPH <1.00IN

$$

COBB
2 follow-up statements
427 
WWUS53 KGRR 182330
SVSGRR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
730 PM EDT FRI JUN 18 2010

MIC005-015-077-190000-
/O.CON.KGRR.SV.W.0021.000000T0000Z-100619T0000Z/
ALLEGAN MI-BARRY MI-KALAMAZOO MI-
730 PM EDT FRI JUN 18 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR KALAMAZOO...
BARRY AND EASTERN ALLEGAN COUNTIES UNTIL 800 PM EDT...

AT 725 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 75 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 9 MILES SOUTH OF HUDSONVILLE TO PLAINWELL TO 26 MILES
SOUTH OF MARCELLUS...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  KALAMAZOO...          HASTINGS...           RICHLAND...
  MIDDLEVILLE...        NASHVILLE...          PLAINWELL...
  WAYLAND...            OSHTEMO...            GALESBURG...
  FULTON...             PORTAGE...            CLIMAX...
  VICKSBURG...          ALAMO...              AUGUSTA...
  MORGAN...             ASSYRIA...            BANFIELD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS
VAN BUREN COUNTY.  THIS IS AN EXTREMELY DANGEROUS SITUATION. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4213 8574 4276 8578 4277 8509 4245 8509
      4243 8530 4207 8530
TIME...MOT...LOC 2329Z 266DEG 43KT 4276 8573 4246 8554
          4167 8557
WIND...HAIL 75MPH <1.00IN

$$

LAURENS
844 
WWUS53 KGRR 182354
SVSGRR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
754 PM EDT FRI JUN 18 2010

MIC005-190003-
/O.CAN.KGRR.SV.W.0021.000000T0000Z-100619T0000Z/
ALLEGAN MI-
754 PM EDT FRI JUN 18 2010

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ALLEGAN COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE EITHER WEAKENED OR
MOVED OUT OF THE WARNED AREA.

LAT...LON 4210 8550 4275 8553 4277 8509 4246 8510
      4243 8530 4207 8530
TIME...MOT...LOC 2353Z 266DEG 43KT 4278 8534 4248 8515
          4169 8518

$$

MIC015-077-190000-
/O.CON.KGRR.SV.W.0021.000000T0000Z-100619T0000Z/
BARRY MI-KALAMAZOO MI-
754 PM EDT FRI JUN 18 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
KALAMAZOO AND BARRY COUNTIES UNTIL 800 PM EDT...

AT 748 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 75 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MIDDLEVILLE TO 11 MILES NORTH OF BATTLE CREEK TO 27
MILES SOUTH OF UNION CITY...MOVING EAST AT 50 MPH.

IN ADDITION SEVERAL TREES AND POWER LINES WERE BLOWN DOWN NEAR 
PLAINWELL. 

LOCATIONS IMPACTED INCLUDE...
  HASTINGS...           RICHLAND...           MIDDLEVILLE...
  GALESBURG...          FULTON...             CLIMAX...
  AUGUSTA...            MORGAN...             ASSYRIA...
  BANFIELD...           HICKORY CORNERS...    IRVING...
  LACEY...              DOWLING...            DELTON...
  ORANGEVILLE...        WOODLAND...           HIGHLAND PARK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS
VAN BUREN COUNTY AND SOME WIND DAMAGE IN ALLEGAN COUNTY. THIS IS AN 
EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY 
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4210 8550 4275 8553 4277 8509 4246 8510
      4243 8530 4207 8530
TIME...MOT...LOC 2353Z 266DEG 43KT 4278 8534 4248 8515
          4169 8518
WIND...HAIL 75MPH <1.00IN

$$

LAURENS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 5:31 PM EDTSpecial Marine WarningGRR74 min
Jun 18, 5:51 PM EDTFlash Flood WatchGRRAllegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more10 hr
Jun 18, 6:00 PM EDTCoastal Flood WarningGRRAllegan, Muskegon, Oceana, Ottawa, Van Buren12 hr
Jun 18, 6:16 PM EDTSevere Thunderstorm WarningGRRAllegan, Ottawa, Van Buren59 min
Jun 18, 6:45 PM EDTSpecial Marine WarningGRR30 min
Jun 18, 7:06 PM EDTSpecial Weather StatementGRRKent, Muskegon54 min
Jun 18, 7:33 PM EDTSevere Thunderstorm WarningGRRBarry, Calhoun, Eaton57 min
Jun 18, 7:39 PM EDTSevere Thunderstorm WarningGRRAllegan, Ionia, Kent66 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2010Every severe thunderstorm warning in 2010

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.