Alert archive / Michigan / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 3, NWS Northern Indiana

April 4, 2011Branch County, Hillsdale County, Saint Joseph County, Michigan; LaGrange County, Noble County, Steuben County, Indiana; Williams County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Apr 4, 2011, 5:23 AM EDT for Branch County, Hillsdale County, Saint Joseph County, Michigan; LaGrange County, Noble County, Steuben County, Indiana; Williams County, Ohio. It was in force for 52 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
Apr 4, 2011, 5:23 AM EDT (09:23 UTC)
Expired
Apr 4, 2011, 6:15 AM EDT
In force
52 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
0.5 in
Wind
60.0 mph

Counties LaGrange County, IN, Noble County, IN, Steuben County, IN, Branch County, MI, Hillsdale County, MI, Saint Joseph County, MI, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 88 km from the middle of the area, began a volume at 09:26 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, 9.4 hours before the alert went out and 153 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 2011-04-04Temperature 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 2011-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1052 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
921 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
1052 m²/s²
0-3 km storm-relative helicity
1742 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.

046 
WUUS53 KIWX 040923
SVRIWX
INC087-113-151-MIC023-059-149-OHC171-041015-
/O.NEW.KIWX.SV.W.0003.110404T0923Z-110404T1015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
523 AM EDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN WILLIAMS COUNTY IN NORTHWEST OHIO...
  SOUTHEASTERN ST. JOSEPH COUNTY IN SOUTHWEST MICHIGAN...
  BRANCH COUNTY IN SOUTHWEST MICHIGAN...
  HILLSDALE COUNTY IN SOUTHEAST MICHIGAN...
  NORTHEASTERN NOBLE COUNTY IN NORTHEAST INDIANA...
  STEUBEN COUNTY IN NORTHEAST INDIANA...
  LAGRANGE COUNTY IN NORTHEAST INDIANA...

* UNTIL 615 AM EDT

* AT 522 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE SEVERE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES NORTHWEST OF LAGRANGE TO 15 MILES SOUTH OF
  LAGRANGE...AND MOVING NORTHEAST AT 70 MPH.

* LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
  STURGIS...
  BRONSON...
  ANGOLA...
  COLDWATER AND FREMONT...
  QUINCY...
  PIONEER...READING AND LITCHFIELD...

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE FAWN
RIVER...BIG LONG LAKE...ADAMS LAKE...WOODRUFF...PLATO...ONTARIO...
INDIANOLA...BRIGHTON...BURR OAK...BIG TURKEY LAKE...SALEM CENTER AND
STROH.

PRECAUTIONARY/PREPARDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR 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...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4207 8436 4171 8438 4146 8549 4177 8559
      4203 8509
TIME...MOT...LOC 0923Z 236DEG 63KT 4171 8549 4143 8540
WIND...HAIL 60MPH <.50IN

$$
2 follow-up statements
185 
WWUS53 KIWX 040942
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
542 AM EDT MON APR 4 2011

INC087-113-MIC149-040953-
/O.CAN.KIWX.SV.W.0003.000000T0000Z-110404T1015Z/
LAGRANGE IN-NOBLE IN-ST. JOSEPH MI-
542 AM EDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NOBLE AND
LAGRANGE COUNTIES IN NORTHEAST INDIANA...AND SOUTHEASTERN ST. JOSEPH
COUNTY IN SOUTHWEST MICHIGAN IS CANCELLED...

AT 540 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD  
MOVED OUT AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN 
CANCELLED.

PRECAUTIONARY/PREPARDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4207 8436 4171 8438 4155 8514 4197 8520
      4203 8509
TIME...MOT...LOC 0943Z 236DEG 63KT 4191 8510 4163 8501

$$

INC151-MIC023-059-OHC171-041015-
/O.CON.KIWX.SV.W.0003.000000T0000Z-110404T1015Z/
STEUBEN IN-HILLSDALE MI-BRANCH MI-WILLIAMS OH-
542 AM EDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM EDT
FOR NORTHWESTERN WILLIAMS...BRANCH...HILLSDALE AND STEUBEN
COUNTIES...

AT 540 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM 9 MILES SOUTHWEST OF COLDWATER TO 5 MILES
SOUTHWEST OF ANGOLA...AND MOVING NORTHEAST AT 70 MPH.

LOCATIONS IMPACTED INCLUDE...
  ANGOLA...COLDWATER...HILLSDALE...FREMONT...QUINCY...READING...
  LITCHFIELD...PIONEER...JONESVILLE AND BATAVIA.

PRECAUTIONARY/PREPARDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR 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...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4207 8436 4171 8438 4155 8514 4197 8520
      4203 8509
TIME...MOT...LOC 0943Z 236DEG 63KT 4191 8510 4163 8501
WIND...HAIL 60MPH <.50IN

$$
038 
WWUS53 KIWX 041004
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
604 AM EDT MON APR 4 2011

INC151-MIC023-041014-
/O.CAN.KIWX.SV.W.0003.000000T0000Z-110404T1015Z/
STEUBEN IN-BRANCH MI-
604 AM EDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR BRANCH AND STEUBEN COUNTIES IS
CANCELLED...

AT 559 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD  
MOVED OUT AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN 
CANCELLED.

PRECAUTIONARY/PREPARDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4165 8469 4205 8482 4207 8436 4171 8438
TIME...MOT...LOC 1004Z 236DEG 63KT 4212 8469 4183 8460

$$

MIC059-OHC171-041015-
/O.CON.KIWX.SV.W.0003.000000T0000Z-110404T1015Z/
HILLSDALE MI-WILLIAMS OH-
604 AM EDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM EDT
FOR NORTH CENTRAL WILLIAMS AND HILLSDALE COUNTIES...

AT 559 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM LITCHFIELD TO 4 MILES SOUTHEAST OF READING...AND
MOVING NORTHEAST AT 70 MPH.

LOCATIONS IMPACTED INCLUDE...
  BETZER...SHADYSIDE...WALDRON...OSSEO...PITTSFORD...PRATTVILLE...
  NORTH ADAMS...MOSCOW...JEROME AND SOMERSET CENTER.

PRECAUTIONARY/PREPARDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR 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...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4165 8469 4205 8482 4207 8436 4171 8438
TIME...MOT...LOC 1004Z 236DEG 63KT 4212 8469 4183 8460
WIND...HAIL 60MPH <.50IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 3:55 AM EDTSpecial Weather StatementIWXCass, White65 min
Apr 4, 4:33 AM EDTSpecial Weather StatementIWXFulton, Marshall, Pulaski42 min
Apr 4, 4:53 AM EDTSevere Thunderstorm WarningIWXFulton, Kosciusko, Marshall, Noble, Whitley41 min
Apr 4, 4:58 AM EDTSevere Thunderstorm WarningIWXCass, Fulton, Miami, Wabash36 min
Apr 4, 5:25 AM EDTSevere Thunderstorm WarningIWXAllen, DeKalb, Noble, Steuben, Whitley50 min
Apr 4, 5:30 AM EDTSevere Thunderstorm WarningIWXAllen, Blackford, Grant, Huntington, Wabash, Wells and 1 more45 min
Apr 4, 5:48 AM EDTSevere Thunderstorm WarningIWXAllen31 min
Apr 4, 6:02 AM EDTSevere Thunderstorm WarningIWXAdams, Jay, Wells28 min
Apr 4, 6:10 AM EDTSpecial Weather StatementIWXFulton35 min
Apr 4, 6:16 AM EDTSevere Thunderstorm WarningIWXVan Wert27 min
Apr 4, 6:40 AM EDTSpecial Weather StatementIWXAllen35 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2011Severe Thunderstorm Warnings in Indiana, 2011Severe Thunderstorm Warnings in Ohio, 2011Every severe thunderstorm warning in 2011

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.