Alert archive / Michigan / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 92, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jul 31, 2012, 4:04 AM EDT for Berrien County, Michigan. It was in force for 41 min. 5 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
- Jul 31, 2012, 4:04 AM EDT (08:04 UTC)
- Expired
- Jul 31, 2012, 4:45 AM EDT
- In force
- 41 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 08:05 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 |
|---|---|---|---|
| Jul 31, 4:14 AM EDT | HAIL 0.75 | Benton Harbor, MI | |
| Jul 31, 4:20 AM EDT | HAIL 1 | Saint Joseph, MI | |
| Jul 31, 4:30 AM EDT | HAIL 1 | Baroda, MI | FROM WSBT FACEBOOK PAGE |
| Jul 31, 4:37 AM EDT | HAIL 1.5 | 2 E Stevensville, MI | HAIL AVERAGE BETWEEN ONE AND ONE HALF INCH IN DIAMETER. SMALLER LIMBS AS WELL AS LEAVES DOWN FROM THE HAIL. |
| Jul 31, 4:37 AM EDT | HAIL 1.5 | Berrien Springs, MI | HAIL AVERAGE BETWEEN ONE AND ONE HALF INCH IN DIAMETER. SMALLER LIMBS AS WELL AS LEAVES DOWN FROM THE HAIL. |
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, 8.1 hours before the alert went out and 259 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
- 30 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 2207 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
305
WUUS53 KIWX 310804
SVRIWX
MIC021-310845-
/O.NEW.KIWX.SV.W.0092.120731T0804Z-120731T0845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
404 AM EDT TUE JUL 31 2012
THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BERRIEN COUNTY IN SOUTHWEST MICHIGAN...
* UNTIL 445 AM EDT
* AT 400 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 5 MILES NORTHWEST OF LAKE
MICHIGAN BEACH TO 7 MILES NORTHWEST OF ST. JOSEPH TO 17 MILES
NORTHWEST OF BRIDGMAN...AND MOVING SOUTH AT 25 MPH.
* LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
PAW PAW LAKE...
COLOMA AND WATERVLIET...
ST. JOSEPH AND BENTON HARBOR...
BENTON HEIGHTS AND FAIR PLAIN...
STEVENSVILLE...
BRIDGMAN...
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
RIVERSIDE...MILLBURG...SHOREHAM...SPINKS CORNERS...SODUS...TURNER
SHORES...SAWYER...LAKESIDE...HARBERT...BARODA...UNION PIER AND NEW
TROY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR QUARTER SIZE HAIL...AND DAMAGING WINDS
IN EXCESS OF 60 MPH...ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING BUT AWAY FROM WINDOWS. INTENSE CLOUD TO GROUND LIGHTNING
WAS OCCURRING WITH THIS LINE OF THUNDERSTORMS.
TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X.
&&
LAT...LON 4225 8623 4197 8624 4181 8654 4177 8683
4192 8661 4202 8657 4208 8652 4213 8650
4218 8644 4223 8639 4224 8638
TIME...MOT...LOC 0802Z 349DEG 21KT 4224 8646 4214 8660
4205 8685
WIND...HAIL 60MPH 1.00IN
$$2 follow-up statements
270
WWUS53 KIWX 310824
SVSIWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
424 AM EDT TUE JUL 31 2012
MIC021-310845-
/O.CON.KIWX.SV.W.0092.000000T0000Z-120731T0845Z/
BERRIEN MI-
424 AM EDT TUE JUL 31 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM EDT
FOR BERRIEN COUNTY...
AT 419 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE SEVERE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES SOUTH OF
WATERVLIET TO 3 MILES SOUTHEAST OF STEVENSVILLE TO 7 MILES NORTHWEST
OF SHOREWOOD-TOWER HILL...AND MOVING SOUTHEAST AT 30 MPH.
LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
SHOREWOOD-TOWER HILL AND BERRIEN SPRINGS...
NEW BUFFALO...
OTHER LOCATIONS IMPACTED BY THIS LINE OF SEVERE THUNDERSTORMS INCLUDE
SAWYER...GLENDORA...EAU CLAIRE...TURNER SHORES...LAKESIDE...UNION
PIER...NEW TROY AND HARBERT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR QUARTER SIZE HAIL...AND DAMAGING WINDS
IN EXCESS OF 60 MPH....ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING BUT AWAY FROM WINDOWS.
TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X.
&&
LAT...LON 4221 8634 4225 8623 4197 8624 4181 8654
4177 8683 4192 8661 4202 8657 4208 8652
4213 8650
TIME...MOT...LOC 0824Z 326DEG 28KT 4208 8619 4194 8647
4193 8667
WIND...HAIL 60MPH 1.00IN
$$090
WWUS53 KIWX 310840
SVSIWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
440 AM EDT TUE JUL 31 2012
MIC021-310849-
/O.EXP.KIWX.SV.W.0092.000000T0000Z-120731T0845Z/
BERRIEN MI-
440 AM EDT TUE JUL 31 2012
...THE SEVERE THUNDERSTORM WARNING FOR BERRIEN COUNTY WILL EXPIRE AT
445 AM EDT...
AT 437 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD
WEAKENED. THEREFORE...THE SEVERE THUNDERSTORM WARNING WILL BE
ALLOWED TO EXPIRE. WIND GUSTS TO 50 MPH...NICKEL SIZE HAIL AND HEAVY
RAINFALL MAY STILL ACCOMPANY THE STRONGEST STORMS OVER THE NEXT
HOUR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X.
&&
LAT...LON 4221 8634 4225 8623 4197 8624 4181 8654
4177 8683 4192 8661 4202 8657 4208 8652
4213 8650
TIME...MOT...LOC 0839Z 326DEG 28KT 4198 8610 4184 8638
4183 8658
$$The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 3:03 AM EDT | Special Weather Statement | IWX | Cass | 57 min |
| Jul 31, 3:37 AM EDT | Special Weather Statement | IWX | Berrien, Branch, Cass, Saint Joseph | 23 min |
| Jul 31, 4:38 AM EDT | Special Weather Statement | IWX | Cass | 37 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2012Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.