Alert archive / Michigan / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 13, NWS Northern Indiana

May 2, 2018Berrien County, Michigan

NWS Northern Indiana issued this severe thunderstorm warning at May 2, 2018, 9:57 PM EDT for Berrien County, Michigan. It was in force for 48 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 2, 2018, 9:57 PM EDT (01:57 UTC)
Expired
May 2, 2018, 10:45 PM EDT
In force
48 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Berrien County, MI

The radar

The Northern Indiana radar (KIWX), 101 km from the middle of the area, began a volume at 01:59 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 nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 2.0 hours before the alert went out and 253 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 2018-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 162 joules per kilogram.LCLLFCEL10008507005003002001001 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 2018-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.19395878Sfc1 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
162 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1993 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

795 
WUUS53 KIWX 030157
SVRIWX
MIC021-030245-
/O.NEW.KIWX.SV.W.0013.180503T0157Z-180503T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
957 PM EDT WED MAY 2 2018

The National Weather Service in Northern Indiana  has issued a

* Severe Thunderstorm Warning for...
  Northeastern Berrien County in southwestern Michigan...

* Until 1045 PM EDT

* At 956 PM EDT, a severe thunderstorm was located near St. Joseph,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Benton Harbor, St. Joseph, Fair Plain, Stevensville, Sodus, 
  and Millburg.

This includes the following highways...
 Interstate 196 between mile markers 0 and 7.
 Interstate 94 in Michigan between mile markers 21 and 42.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4201 8622 4199 8667 4213 8658 4211 8649
      4224 8636 4224 8622
TIME...MOT...LOC 0156Z 262DEG 38KT 4215 8661 

HAIL...1.00IN
WIND...60MPH
 
$$

Brown
2 follow-up statements
580 
WWUS53 KIWX 030229
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
1029 PM EDT WED MAY 2 2018

MIC021-030245-
/O.CON.KIWX.SV.W.0013.000000T0000Z-180503T0245Z/
Berrien MI-
1029 PM EDT WED MAY 2 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR NORTHEASTERN BERRIEN COUNTY...

At 1028 PM EDT, a severe thunderstorm was located over Hartford, or
12 miles southeast of Van Buren SP, moving east at 45 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Spinks Corners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4200 8635 4208 8635 4212 8633 4214 8629
      4214 8622 4201 8622
TIME...MOT...LOC 0228Z 262DEG 38KT 4220 8615 

HAIL...1.00IN
WIND...60MPH
 
$$

NWS
276 
WWUS53 KIWX 030235
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
1035 PM EDT WED MAY 2 2018

MIC021-030245-
/O.EXP.KIWX.SV.W.0013.000000T0000Z-180503T0245Z/
Berrien MI-
1035 PM EDT WED MAY 2 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BERRIEN COUNTY
WILL EXPIRE AT 1045 PM EDT...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning will be allowed to expire.

LAT...LON 4200 8635 4208 8635 4212 8633 4214 8629
      4214 8622 4201 8622
TIME...MOT...LOC 0235Z 262DEG 38KT 4221 8606 

$$

Brown

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 8:00 PM EDTSevere Thunderstorm WarningIWXSaint Joseph45 min
May 2, 8:28 PM EDTSevere Thunderstorm WarningIWXCass, Saint Joseph47 min
May 2, 8:44 PM EDTSevere Thunderstorm WarningIWXBranch, Saint Joseph46 min
May 2, 8:48 PM EDTSevere Thunderstorm WarningIWXSaint Joseph27 min
May 2, 9:02 PM EDTSevere Thunderstorm WarningIWXBranch28 min
May 2, 9:16 PM EDTSevere Thunderstorm WarningIWXBranch, Hillsdale44 min
May 2, 9:27 PM EDTSpecial Weather StatementIWXCass33 min
May 2, 9:46 PM EDTSpecial Weather StatementIWXBerrien29 min
May 2, 9:53 PM EDTFlash Flood WatchIWXCass11 hr
May 2, 10:05 PM EDTSevere Thunderstorm WarningIWXBerrien40 min
May 2, 10:24 PM EDTSevere Thunderstorm WarningIWXBerrien, Cass, Saint Joseph51 min
May 3, 9:24 AM EDTRiver Flood WarningIWXBranch, Saint Joseph25 hr
May 3, 9:45 AM EDTRiver Flood WarningIWXBerrien5 days

Nearby

Severe Thunderstorm Warnings in Michigan, 2018Every severe thunderstorm warning in 2018

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.