Alert archive / Michigan / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 9, NWS Northern Indiana

April 25, 2016Cass County, Saint Joseph County, Michigan

NWS Northern Indiana issued this severe thunderstorm warning at Apr 25, 2016, 10:08 PM EDT for Cass County, Saint Joseph County, Michigan. It was in force for 37 min. 3 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, 10:08 PM EDT (02:08 UTC)
Expired
Apr 25, 2016, 10:45 PM EDT
In force
37 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Cass County, MI, Saint Joseph County, MI

The radar

The Northern Indiana radar (KIWX), 76 km from the middle of the area, began a volume at 02:11 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
Apr 25, 10:19 PM EDTHAIL 0.75Marcellus, MI
Apr 25, 10:20 PM EDTHAIL 11 Nnw Marcellus, MIREPORTED THAT THE HAIL WAS QUITE LARGE, BUT ESTIMATED IT WAS SLIGHTLY BIGGER THAN A QUARTER.
Apr 25, 10:20 PM EDTHAIL 11 Nnw Marcellus, MIREPORTED THAT THE HAIL WAS QUITE LARGE, BUT ESTIMATED IT WAS SLIGHTLY BIGGER THAN A QUARTER. DELAYED REPORT.

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 00:00Z, 2.1 hours before the alert went out and 211 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 00:00Z on 2016-04-26Temperature 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 00:00Z on 2016-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 square meters per square second.1939587897Sfc1 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
1647 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
348 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

960 
WUUS53 KIWX 260208
SVRIWX
MIC027-149-260245-
/O.NEW.KIWX.SV.W.0009.160426T0208Z-160426T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1008 PM EDT MON APR 25 2016

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN ST. JOSEPH COUNTY IN SOUTHWESTERN MICHIGAN...
  NORTHEASTERN CASS COUNTY IN SOUTHWESTERN MICHIGAN...

* UNTIL 1045 PM EDT

* AT 1008 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR DECATUR...
  OR NEAR DOWAGIAC...MOVING EAST AT 35 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  MARCELLUS AROUND 1030 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
FLOWERFIELD...HOWARDSVILLE AND WAKELEE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4207 8556 4196 8576 4201 8611 4207 8613
TIME...MOT...LOC 0208Z 275DEG 30KT 4206 8605 

HAIL...1.00IN
WIND...<50MPH
 
$$

JBALL
1 follow-up statement
941 
WWUS53 KIWX 260233
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1033 PM EDT MON APR 25 2016

MIC027-260243-
/O.CAN.KIWX.SV.W.0009.000000T0000Z-160426T0245Z/
CASS MI-
1033 PM EDT MON APR 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CASS COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4207 8556 4196 8576 4207 8576
TIME...MOT...LOC 0233Z 275DEG 30KT 4204 8577 

$$

MIC149-260245-
/O.CON.KIWX.SV.W.0009.000000T0000Z-160426T0245Z/
ST. JOSEPH MI-
1033 PM EDT MON APR 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR NORTHWESTERN ST. JOSEPH COUNTY...

AT 1033 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MARCELLUS...
OR 9 MILES NORTHWEST OF THREE RIVERS...MOVING EAST SOUTHEAST AT 35
MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN ST. JOSEPH COUNTY...INCLUDING THE FOLLOWING LOCATIONS...
FLOWERFIELD AND HOWARDSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4207 8556 4196 8576 4207 8576
TIME...MOT...LOC 0233Z 275DEG 30KT 4204 8577 

HAIL...1.00IN
WIND...<50MPH
 
$$

JBALL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 9:11 PM EDTSevere Thunderstorm WarningIWXBerrien34 min
Apr 25, 9:54 PM EDTSpecial Weather StatementIWXCass36 min
Apr 25, 10:28 PM EDTSevere Thunderstorm WarningIWXSaint Joseph47 min
Apr 25, 11:10 PM EDTSpecial Weather StatementIWXBranch35 min
Apr 25, 11:40 PM EDTSpecial Weather StatementIWXHillsdale50 min
Apr 26, 12:15 AM EDTSpecial Weather StatementIWXHillsdale30 min
Apr 26, 12:34 AM EDTSpecial Weather StatementIWXBranch, Hillsdale56 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.