Alert archive / Michigan / Special Weather Statements in 2011
Special Weather Statement, NWS Northern Indiana
NWS Northern Indiana issued this special weather statement at Apr 19, 2011, 10:01 PM EDT for Van Buren County, Michigan. It was in force for 44 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 19, 2011, 10:01 PM EDT (02:01 UTC)
- Expired
- Apr 19, 2011, 10:45 PM EDT
- In force
- 44 min
- Issued by
- NWS Northern Indiana
County Van Buren County, MI
The radar
The Northern Indiana radar (KIWX), 102 km from the middle of the area, began a volume at 02:02 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 256 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- 711 m²/s²
- 0-3 km storm-relative helicity
- 1120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
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 19, 7:25 PM EDT, 2 hours 36 minutes earlier.
Area forecast discussion, Apr 19, 7:25 PM EDT, 2 hours 36 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTHERN INDIANA 725 PM EDT TUE APR 19 2011 .AVIATION... SEVERE THUNDERSTORMS HAVE DEVELOPED UPSTREAM ACROSS ILLINOIS NEAR STRONG LOW PRESSURE CENTER. A WARM FRONT EXTENDS EAST OF THIS LOW INTO CENTRAL INDIANA. NORTH OF THE WARM FRONT...A PERSISTENT EASTERLY WIND AND LIGHT SHRA WAS HELPING TO KEEP LOW CIGS LOCKED IN. WARM FRONT EXPECTED TO LIFT NORTH BUT WILL LIKELY REMAIN JUST SOUTH OF KFWA AND WELL SOUTH OF KSBN. INCREASING LOW LEVEL JET THIS EVENING OVER TOP OF THIS BOUNDARY IS EXPECTED TO HELP GENERATE ELEVATED THUNDERSTORMS THIS EVENING. LARGE HAIL AND HEAVY RAIN IS PRIMARY CONCERN AT TAF SITES WITH THESE STORMS IF THEY DO DEVELOP. MAIN COLD FRONT TO MOVE THROUGH AFTER 05Z WITH LINE OF STRONG STORMS ALONG IT WITH POTENTIAL FOR SEVERE WIND GUSTS AND HAIL AS WELL AT TAF SITES. OTHERWISE EXPECT LITTLE IMPROVEMENT IN CIGS AND VIS UNTIL MIXING OCCURS NEAR CONVECTION. SATELLITE AND SURFACE OBS SHOW LOW CIGS AND VIS BACK TO COLD FRONT AND NORTH OF WARM FRONT. IFR TO MVFR CONDITIONS EXPECTED INTO WEDNESDAY MORNING WITH SLOWLY RISING CIGS WEDNESDAY. && .SHORT TERM... CONV INITIATION IMMINENT INVOF OF INTENSE SFC CYCLONE OVR WRN/CNTRL MO. DOWNSTREAM WARM SECTOR AIRMASS IS QUITE UNSTABLE AND CONTS TO DESTABILIZE FURTHER W/ADDNL DVLPMNT XPCD ALG NWD RTNG WMFNTL BNDRY AFT 21Z COINCIDENT W/NOCTURNAL LLJ RAMP. MOST OBVIOUS CONCERN IS HOW FAR NORTH WMFNT MIXES W/HIGHRES MODEL PLACEMENT QUITE CONCERNING ALG/SOUTH OF A MARION TO LIMA LINE TWD MID EVENING AS 0-1 SRH NR 400 AND MIXED LYR CAPES NR 1500 SUGGEST SIG RISK FOR TORNADOES SHLD CONV MODE YIELD A WINDOW OF DISCRETE ACTIVITY THIS EVENING. OTHERWISE GREATER HAIL/WIND RISK EXTENDS FARTHER NORTH THROUGH NRN IN/NW OH OVERTOP SHALLOW/COLD BNDRY LYR IN ASSOCN/W LIKELY UPSCALE GROWTH OF MO CONV SEED THIS AFTN. REGARDLESS SFC LOW AND ATTENDANT CDFNT CLR ERN PORTION OF CWA BY 09Z W/STG CAA FOLLOWING IN ITS WAKE. WILL GENERALLY SIDE W/COLDER MOS TEMPS GIVEN EXTENSIVE STRATOCU FOLLOWING IN INTENSE CAA WING WED AND SHADE SLIGHTLY LWR WED NIGHT AS SOME CLD EROSION SHLD OCCUR LATE AS SFC RIDGE BLDS IN. && .LONG TERM... THURSDAY THROUGH TUESDAY... FCST PERIOD TO BEGIN WITH SFC HIGH PRESSURE OVER THE REGION PROVIDING A SEASONABLY COOL BUT MOSTLY SUNNY DAY. WEAK GRADIENT WILL KEEP WINDS LIGHT AND OUT OF THE NE WITH TEMPS 50-55F. QUIET WX IS SHORT-LIVED AS FRONTAL BOUNDARY BEGINS TO RETURN NORTHWARD IN RESPONSE TO LOW PRESSURE DEVELOPING IN THE PLAINS. THIS WILL BRING OVERRUNNING PRECIP INTO THE AREA LATE THURSDAY NIGHT AND CONTINUE INTO FRIDAY. MEDIUM RANGE MODELS OFFER VARYING SOLNS AS TO DEGREE OF DEVELOPMENT OF SFC LOW BUT CONSENSUS NOW FAVORS A DEEPER LOW WITH A NE TRACK TOWARD WESTERN GREAT LAKES. THIS WILL SWING COLD FRONT THROUGH THE AREA FRIDAY NIGHT. EVEN GREATER UNCERTAINTY TO FOLLOW WITH HOW FAR SOUTH FRONT WILL PUSH THROUGH BEFORE STALLING OUT. LATEST GFS BRINGS DEEPER SFC LOW THROUGH THE GREAT LAKES AND PUSHES FRONT DOWN TO OH VALLEY AND ALLOWS FOR WEAK SFC RIDGE TO BUILD INTO THE AREA WHILE 00Z ECMWF OFFERED A WEAKER SOLN AND KEEPS FRONT HUNG UP OVER OUR AREA WHILE BRINGING ADDL FRONTAL WAVES RIDING UP ALONG BOUNDARY. GIVEN THIS UNCERTAINLY...WILL NOT BE MAKING ANY MAJOR CHANGES DAYS 5-7 AND KEEP LOW CHANCE POPS DAYS 5-6 BEFORE FRONT LIFTS NORTH OF THE AREA AND SETS THE STAGE FOR SIGNIFICANT WARMUP BY DAY 7...ALTHOUGH WILL JUST TREND TOWARD L80S OFFERED BY HPC GUIDANCE. && .AVIATION... WIDESPREAD IFR CONDS ALG COLD SIDE OF STOUT WMFNTL BNDRY DRAPED THROUGH CNTRL IL/SRN IN WILL ESSENTIALLY GO NOWHERE THIS PD AS INTENSE SFC LOW OVR CNTRL MO THIS AFTN EJECTS ENE OVERNIGHT YET STAYS SOUTH OF THE TERMINALS. STG ERLY GRADIENT THIS AFTN WILL SLOWLY VEER BFR SHIFTING SW AFT MIDNIGHT. && .IWX WATCHES/WARNINGS/ADVISORIES... IN...NONE. MI...NONE. OH...NONE. LM...SMALL CRAFT ADVISORY UNTIL 11 PM EDT WEDNESDAY FOR LMZ043-046. && SHORT TERM...T LONG TERM...LOGSDON AVIATION...LASHLEY
Hazardous weather outlook, Apr 19, 6:52 PM EDT, 3 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORTHERN INDIANA 652 PM EDT TUE APR 19 2011 INZ020-022>027-032>034-OHZ024-025-201000- WHITE-CASS IN-MIAMI-WABASH-HUNTINGTON-WELLS-ADAMS-GRANT-BLACKFORD- JAY-VAN WERT-ALLEN OH- INCLUDING THE CITIES OF...MONTICELLO...BROOKSTON...LOGANSPORT... PERU...WABASH...NORTH MANCHESTER...HUNTINGTON...BLUFFTON...OSSIAN... DECATUR...BERNE...MARION...HARTFORD CITY...MONTPELIER...PORTLAND... VAN WERT...DELPHOS...LIMA 652 PM EDT TUE APR 19 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN INDIANA AND NORTHWEST OHIO. .DAY ONE...TONIGHT STRONG THUNDERSTORMS ARE EXPECTED TO DEVELOP AND MOVE ACROSS THE AREA THIS EVENING AND OVERNIGHT WITH THE POTENTIAL FOR ISOLATED TORNADOES. ANY TORNADO THAT DEVELOPS HAS THE POTENTIAL TO BE STRONG THROUGH THE LATE EVENING HOURS. SEVERE THUNDERSTORMS WILL ALSO BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. MAKE SURE YOU KEEP A WEATHER RADIO ON ALERT OR HAVE SOME NOTIFICATION METHOD TONIGHT...ESPECIALLY WHEN YOU GO TO BED. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY WINDY CONDITIONS ARE EXPECTED ON WEDNESDAY. THERE IS A CHANCE OF THUNDERSTORMS AGAIN FRIDAY AND FRIDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX INZ008-009-012>018-OHZ004-005-015-016-201000- NOBLE-DE KALB-STARKE-PULASKI-MARSHALL-FULTON IN-KOSCIUSKO-WHITLEY- ALLEN IN-DEFIANCE-HENRY-PAULDING-PUTNAM- INCLUDING THE CITIES OF...KENDALLVILLE...LIGONIER...AUBURN... GARRETT...KNOX...NORTH JUDSON...WINAMAC...FRANCESVILLE...PLYMOUTH... BREMEN...ROCHESTER...WARSAW...WINONA LAKE...COLUMBIA CITY... SOUTH WHITLEY...FORT WAYNE...DEFIANCE...NAPOLEON...PAULDING... ANTWERP...OTTAWA...PANDORA 652 PM EDT TUE APR 19 2011 /552 PM CDT TUE APR 19 2011/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST OHIO AND NORTHERN INDIANA. .DAY ONE...TONIGHT THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS EVENING...WITH SEVERE THUNDERSTORMS CAPABLE OF PRODUCING LARGE HAIL AND ISOLATED WIND DAMAGE INTO THE OVERNIGHT HOURS. HAIL SIZE MAY EXCEED AN INCH AND A HALF IN DIAMETER WITH THE STRONGER THUNDERSTORMS. MAKE SURE YOU KEEP A WEATHER RADIO ON ALERT OR HAVE SOME NOTIFICATION METHOD TONIGHT...ESPECIALLY WHEN YOU GO TO BED. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY WINDY CONDITIONS ARE EXPECTED ON WEDNESDAY. THERE IS A CHANCE OF THUNDERSTORMS AGAIN FRIDAY AND FRIDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX INZ003>007-MIZ077>081-OHZ001-002-201000- LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STEUBEN-BERRIEN-CASS MI- ST. JOSEPH MI-BRANCH-HILLSDALE-WILLIAMS-FULTON OH- INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND... MISHAWAKA...ELKHART...GOSHEN...LAGRANGE...TOPEKA...ANGOLA...NILES... BENTON HARBOR...ST. JOSEPH...BUCHANAN...DOWAGIAC...CASSOPOLIS... STURGIS...THREE RIVERS...COLDWATER...HILLSDALE...BRYAN... MONTPELIER...WAUSEON...ARCHBOLD 652 PM EDT TUE APR 19 2011 /552 PM CDT TUE APR 19 2011/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN...NORTHERN INDIANA AND NORTHWEST OHIO. .DAY ONE...TONIGHT THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS EVENING AND CONTINUE INTO THE OVERNIGHT HOURS. SOME OF THESE STORMS MAY PRODUCED ISOLATED LARGE HAIL. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY WINDY CONDITIONS ARE EXPECTED ON WEDNESDAY. THERE IS A CHANCE OF THUNDERSTORMS AGAIN FRIDAY AND FRIDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS UNLIKELY THIS AFTERNOON OR EVENING. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX LMZ043-046-201000- NEW BUFFALO MI TO ST JOSEPH MI-MICHIGAN CITY IN TO NEW BUFFALO MI- 652 PM EDT TUE APR 19 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF SOUTHEASTERN LAKE MICHIGAN. .DAY ONE...TONIGHT A SMALL CRAFT ADVISORY IS IN EFFECT. THUNDERSTORMS ARE EXPECTED THIS EVENING INTO THE OVERNIGHT HOURS. SOME OF THE STORMS COULD BE SEVERE WITH LARGE HAIL AND STRONG WINDS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A SMALL CRAFT ADVISORY REMAINS IN EFFECT THROUGH WEDNESDAY NIGHT. THERE IS A CHANCE OF THUNDERSTORMS AGAIN FRIDAY AND FRIDAY NIGHT. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX/?N=MARINE
In the hours before
Local storm report, Apr 19, 4:48 PM EDT, 5 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
448 PM EDT TUE APR 19 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0447 PM HEAVY RAIN NEW HAVEN 41.07N 85.01W
04/19/2011 M1.00 INCH ALLEN IN TRAINED SPOTTER
RAINFALL TODAY
&&
EVENT NUMBER IWX1100636
SKIPPERSpecial weather statement, Apr 19, 9:49 PM EDT, 12 minutes before
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</html>Special weather statement, Apr 19, 9:58 PM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
958 PM EDT TUE APR 19 2011
INZ003-004-012>015-020-022-200245-
CASS IN-FULTON IN-LA PORTE IN-MARSHALL IN-PULASKI IN-ST. JOSEPH
IN-STARKE IN-WHITE IN-
958 PM EDT TUE APR 19 2011
AT 852 PM CDT/952 PM EDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 22 MILES
WEST OF WANATAH TO 18 MILES WEST OF FRANCESVILLE TO 9 MILES SOUTH OF
FRANCESVILLE...MOVING NORTHEAST AT 60 MPH.
PENNY SIZE HAIL...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY
DOWNPOURS ARE EXPECTED WITH THIS LINE OF STORMS.
LOCATIONS IN THE PATH OF THESE STORMS INCLUDE...
WINAMAC...
KNOX...
ROCHESTER...
PLYMOUTH...
MEDARYVILLE...
WANATAH AND LA CROSSE...
STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES.
SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT
WEDNESDAY MORNING/100 AM CDT WEDNESDAY MORNING/ FOR NORTHERN INDIANA
AND NORTHWESTERN OHIO.
LAT...LON 4092 8694 4146 8694 4149 8654 4149 8617
4094 8616 4091 8618 4091 8696 4091 8699
TIME...MOT...LOC 0157Z 238DEG 63KT 4146 8722 4106 8713
4091 8684
MCSSpecial weather statement, Apr 19, 10:01 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1001 PM EDT TUE APR 19 2011
MIZ077-200245-
BERRIEN MI-
1001 PM EDT TUE APR 19 2011
AT 957 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR ST. JOSEPH...MOVING NORTHEAST AT 55 MPH.
PENNY SIZE HAIL...FREQUENT CLOUD TO GROUND LIGHTNING...AND BRIEF
HEAVY DOWNPOURS ARE POSSIBLE WITH THIS STORM.
LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
PAW PAW LAKE...COLOMA AND WATERVLIET...
STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES.
SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.
LAT...LON 4225 8622 4210 8622 4187 8665 4188 8666
4193 8660 4202 8657 4208 8652 4213 8650
4219 8642 4225 8638 4225 8623
TIME...MOT...LOC 0201Z 235DEG 49KT 4214 8643
MCSThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 9:21 PM EDT | Special Marine Warning | IWX | 54 min | |
| Apr 19, 9:34 PM EDT | Severe Thunderstorm Warning | IWX | Cass, White | 56 min |
| Apr 19, 9:49 PM EDT | Special Weather Statement | IWX | LaPorte | 26 min |
| Apr 19, 9:58 PM EDT | Special Weather Statement | IWX | Fulton, Marshall, Pulaski, Starke | 47 min |
| Apr 19, 10:46 PM EDT | Severe Thunderstorm Warning | IWX | Adams, Allen, Blackford, DeKalb, Grant, Huntington and 6 more | 59 min |
| Apr 19, 11:46 PM EDT | Areal Flood Advisory | IWX | Allen | 4 hr |
| Apr 20, 1:35 AM EDT | River Flood Watch | IWX | Adams, Wells | 52 hr |
| Apr 20, 1:35 AM EDT | River Flood Watch | IWX | Huntington, Wells | 9 hr |
| Apr 20, 1:35 AM EDT | River Flood Watch | IWX | Allen, DeKalb | 3 days |
| Apr 20, 10:26 AM EDT | River Flood Warning | IWX | Cass, Miami, Wabash | 20 hr |
| Apr 20, 10:26 AM EDT | River Flood Warning | IWX | Huntington, Wells | 12 days |
| Apr 20, 10:26 AM EDT | River Flood Warning | IWX | Allen | 20 hr |
| Apr 20, 11:48 AM EDT | River Flood Warning | IWX | LaPorte, Saint Joseph, Starke | 41 hr |
| Apr 19, 11:31 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more | 49 min |
| Apr 20, 10:26 AM EDT | River Flood Warning | IWX | Defiance, Fulton, Williams | 15 days |
Nearby
Special 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.