Alert archive / Michigan / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 2, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at Apr 25, 2016, 7:45 PM EDT for Muskegon County, Ottawa County, Michigan. It was in force for 45 min. 10 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
- Apr 25, 2016, 7:45 PM EDT (23:45 UTC)
- Expired
- Apr 25, 2016, 8:30 PM EDT
- In force
- 45 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Muskegon County, MI, Ottawa County, MI
The radar
The Grand Rapids radar (KGRR), 54 km from the middle of the area, began a volume at 23:48 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 |
|---|---|---|---|
| Apr 25, 7:45 PM EDT | HAIL 0.25 | 1 S Fruitport, MI | |
| Apr 25, 7:45 PM EDT | HAIL 0.25 | 2 Wnw Spring Lake, MI | |
| Apr 25, 7:59 PM EDT | TSTM WND DMG | 5 N Port Sheldon, MI | HAM RADIO OPERATOR RELAYED REPORT OF 5 INCH TREE LIMBS DOWN. UTILITY CREW ONSITE. TIME OF OCCURRENCE ESTIMATED BY RADAR. |
| Apr 25, 8:05 PM EDT | HAIL 0.25 | 3 Ne Port Sheldon, MI | |
| Apr 25, 8:16 PM EDT | HAIL 0.25 | 4 N Port Sheldon, MI | PEA SIZE HAIL FELL FOR APPROXIMATELY 5 MINUTES. A FEW SMALL TREE LIMBS OF ABOUT 1 INCH IN DIAMETER WERE REPORTED DOWN. |
| Apr 25, 8:21 PM EDT | HAIL 1 | Allendale, MI | PUBLIC SENT IN A PICTURE VIA SOCIAL MEDIA. TIME ESTIMATED BY RADAR. |
| Apr 25, 8:23 PM EDT | HAIL 0.5 | Allendale, MI | |
| Apr 25, 8:25 PM EDT | HAIL 0.25 | 1 Se Allendale, MI | |
| Apr 25, 8:30 PM EDT | HAIL 0.25 | 3 N Sullivan, MI | |
| Apr 25, 8:30 PM EDT | HAIL 1.25 | Lamont, MI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.8 hours before the alert went out and 217 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 861 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 280 m²/s²
- 0-3 km storm-relative helicity
- 279 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
380
WUUS53 KGRR 252345
SVRGRR
MIC121-139-260030-
/O.NEW.KGRR.SV.W.0002.160425T2345Z-160426T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
745 PM EDT MON APR 25 2016
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN MUSKEGON COUNTY IN WEST CENTRAL MICHIGAN...
OTTAWA COUNTY IN SOUTHWESTERN MICHIGAN...
* UNTIL 830 PM EDT
* AT 745 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MUSKEGON TO 6 MILES SOUTH OF GRAND HAVEN...MOVING
EAST AT 50 MPH.
HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT
WIND DAMAGE TO ROOFS...SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE...
MUSKEGON... GRAND HAVEN... WALKER...
MUSKEGON HEIGHTS... COOPERSVILLE... ROOSEVELT PARK...
NORTH MUSKEGON... FERRYSBURG... RAVENNA...
FRUITPORT... JENISON... NORTON SHORES...
SULLIVAN... SPRING LAKE... WRIGHT...
CASNOVIA... VICKERYVILLE... SLOCUM...
MARNE... LAMONT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4328 8633 4334 8604 4329 8604 4329 8579
4291 8578 4288 8623
TIME...MOT...LOC 2345Z 259DEG 54KT 4322 8624 4296 8618
HAIL...1.75IN
WIND...60MPH
$$
NJJ1 follow-up statement
590
WWUS53 KGRR 260017
SVSGRR
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
817 PM EDT MON APR 25 2016
MIC121-139-260030-
/O.CON.KGRR.SV.W.0002.000000T0000Z-160426T0030Z/
MUSKEGON MI-OTTAWA MI-
817 PM EDT MON APR 25 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHEASTERN MUSKEGON AND OTTAWA COUNTIES...
AT 817 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
COOPERSVILLE...MOVING EAST AT 40 MPH.
HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT
WIND DAMAGE TO ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
MUSKEGON... GRAND HAVEN... WALKER...
MUSKEGON HEIGHTS... COOPERSVILLE... ROOSEVELT PARK...
NORTH MUSKEGON... FERRYSBURG... RAVENNA...
FRUITPORT... JENISON... NORTON SHORES...
SULLIVAN... SPRING LAKE... WRIGHT...
CASNOVIA... VICKERYVILLE... SLOCUM...
MARNE... LAMONT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4328 8633 4334 8604 4329 8604 4329 8579
4291 8578 4288 8623
TIME...MOT...LOC 0017Z 251DEG 37KT 4298 8597
HAIL...1.75IN
WIND...60MPH
$$
MWSThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 6:29 PM EDT | Special Marine Warning | GRR | 61 min | |
| Apr 25, 7:16 PM EDT | Special Marine Warning | GRR | 89 min | |
| Apr 25, 7:34 PM EDT | Special Marine Warning | GRR | 116 min | |
| Apr 25, 7:35 PM EDT | Special Marine Warning | GRR | 115 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2016Every severe thunderstorm warning in 2016
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.