Alert archive / Indiana / Special Weather Statements in 2011
Special Weather Statement, NWS Northern Indiana
NWS Northern Indiana issued this special weather statement at Apr 11, 2011, 12:01 AM CDT for LaPorte County, Saint Joseph County, Indiana; Berrien County, Cass County, Michigan. It was in force for 29 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 11, 2011, 12:01 AM CDT (05:01 UTC)
- Expired
- Apr 11, 2011, 12:30 AM CDT
- In force
- 29 min
- Issued by
- NWS Northern Indiana
Counties LaPorte County, IN, Saint Joseph County, IN, Berrien County, MI, Cass County, MI
The radar
The Northern Indiana radar (KIWX), 77 km from the middle of the area, began a volume at 05:03 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
Lincoln, IL (KILX), launched 00:00Z, 5.0 hours before the alert went out and 261 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
- 1523 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1493 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 6.7
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Northern Indiana wrote its last area forecast discussion before this special weather statement went out at Apr 10, 7:17 PM CDT, 4 hours 44 minutes earlier.
Area forecast discussion, Apr 10, 7:17 PM CDT, 4 hours 44 minutes before
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</html>Hazardous weather outlook, Apr 10, 5:00 AM CDT, 19 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORTHERN INDIANA 600 AM EDT SUN APR 10 2011 INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005- 015-016-024-025-111000- LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STEUBEN-NOBLE-DE KALB-STARKE- PULASKI-MARSHALL-FULTON IN-KOSCIUSKO-WHITLEY-ALLEN IN-WHITE-CASS IN- MIAMI-WABASH-HUNTINGTON-WELLS-ADAMS-GRANT-BLACKFORD-JAY-BERRIEN- CASS MI-ST. JOSEPH MI-BRANCH-HILLSDALE-WILLIAMS-FULTON OH-DEFIANCE- HENRY-PAULDING-PUTNAM-VAN WERT-ALLEN OH- INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND... MISHAWAKA...ELKHART...GOSHEN...LAGRANGE...TOPEKA...ANGOLA... KENDALLVILLE...LIGONIER...AUBURN...GARRETT...KNOX...NORTH JUDSON... WINAMAC...FRANCESVILLE...PLYMOUTH...BREMEN...ROCHESTER...WARSAW... WINONA LAKE...COLUMBIA CITY...SOUTH WHITLEY...FORT WAYNE... MONTICELLO...BROOKSTON...LOGANSPORT...PERU...WABASH... NORTH MANCHESTER...HUNTINGTON...BLUFFTON...OSSIAN...DECATUR... BERNE...MARION...HARTFORD CITY...MONTPELIER...PORTLAND...NILES... BENTON HARBOR...ST. JOSEPH...BUCHANAN...DOWAGIAC...CASSOPOLIS... STURGIS...THREE RIVERS...COLDWATER...HILLSDALE...BRYAN...WAUSEON... ARCHBOLD...DEFIANCE...NAPOLEON...PAULDING...ANTWERP...OTTAWA... PANDORA...VAN WERT...DELPHOS...LIMA 600 AM EDT SUN APR 10 2011 /500 AM CDT SUN APR 10 2011/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST OHIO... NORTHERN INDIANA AND SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED LATE TONIGHT IN ASSOCIATION WITH A DEEP LOW PRESSURE SYSTEM THAT WILL TRAVERSE THE WESTERN GREAT LAKES. SOME OF THESE STORMS COULD BE SEVERE WITH A RISK FOR DAMAGING WINDS AND ISOLATED LARGE HAIL. AT THIS TIME...IT APPEARS THE GREATEST RISK OF SEVERE THUNDERSTORMS WILL BE BETWEEN 2 AND 5 AM EDT FOR AREAS WEST OF INTERSTATE 69...AND BETWEEN 5 AND 8 AM EDT FOR AREAS EAST OF INTERSTATE 69. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. THERE IS ANOTHER CHANCE OF THUNDERSTORMS FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION COULD BE NEEDED LATE TONIGHT. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX LMZ043-046-111000- NEW BUFFALO MI TO ST JOSEPH MI-MICHIGAN CITY IN TO NEW BUFFALO MI- 600 AM EDT SUN APR 10 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF SOUTHEASTERN LAKE MICHIGAN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE EXPECTED TONIGHT IN ASSOCIATION WITH A DEEP LOW PRESSURE SYSTEM THAT WILL TRAVERSE THE WESTERN GREAT LAKES. SOME OF THESE STORMS COULD BE SEVERE WITH A RISK FOR HAIL AND WIND GUSTS IN EXCESS OF 45 KNOTS. BREEZY CONDITIONS ARE EXPECTED TO DEVELOP LATER THIS MORNING AND CONTINUE THROUGH TONIGHT CONDITIONS HAZARDOUS TO SMALL CRAFT LIKELY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY CONDITIONS HAZARDOUS TO SMALL CRAFT LIKELY WILL CONTINUE INTO MONDAY EVENING. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX
In the hours before
Special weather statement, Apr 11, 12:01 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
101 AM EDT MON APR 11 2011
INZ003-004-MIZ077-078-110530-
BERRIEN MI-CASS MI-LA PORTE IN-ST. JOSEPH IN-
101 AM EDT MON APR 11 2011
AT 1259 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 13 MILES WEST OF WANATAH...OR NEAR LAKES OF THE
FOUR...MOVING NORTHEAST AT 65 MPH.
WINDS GREATER THAN 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND
BRIEF HEAVY DOWNPOURS ARE POSSIBLE WITH THIS STORM.
LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
WESTVILLE...
TRAIL CREEK AND MICHIGAN CITY...
LA PORTE...
WANATAH...
KINGSFORD HEIGHTS AND LONG BEACH...
NEW BUFFALO...
GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES.
SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.
LAT...LON 4190 8663 4202 8657 4208 8648 4208 8577
4176 8604 4176 8607 4173 8607 4157 8621
4137 8694 4172 8695
TIME...MOT...LOC 0502Z 241DEG 57KT 4143 8708The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 12:15 AM CDT | Special Weather Statement | IWX | Marshall, Pulaski, Starke | 60 min |
| Apr 11, 12:29 AM CDT | Severe Thunderstorm Warning | IWX | Fulton, LaPorte, Marshall, Pulaski, Saint Joseph, Starke | 46 min |
| Apr 11, 12:59 AM CDT | Special Weather Statement | IWX | Elkhart, Kosciusko | 46 min |
| Apr 11, 1:05 AM CDT | Special Weather Statement | IWX | Elkhart, Kosciusko | 40 min |
| Apr 11, 1:17 AM CDT | Severe Thunderstorm Warning | IWX | Cass, Fulton, Marshall, Pulaski, Starke, White | 58 min |
| Apr 11, 1:30 AM CDT | Special Weather Statement | IWX | LaGrange, Steuben | 45 min |
| Apr 11, 1:55 AM CDT | Special Weather Statement | IWX | Kosciusko | 35 min |
Nearby
Special Weather Statements in Indiana, 2011Special Weather Statements in Michigan, 2011Every special weather statement 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.