Alert archive / Michigan / Winter Storm Warnings in 2012
Winter Storm Warning 4, NWS Northern Indiana
NWS Northern Indiana issued this winter storm warning at Feb 23, 2012, 9:33 PM EST for Cass County, Saint Joseph County, Michigan. It took effect at Feb 23, 2012, 10:00 PM EST. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 23, 2012, 9:33 PM EST (02:33 UTC)
- In effect from
- Feb 23, 2012, 10:00 PM EST
- Expired
- Feb 24, 2012, 3:24 AM EST
- In force
- 5 hr
- Issued by
- NWS Northern Indiana
Counties Cass County, MI, Saint Joseph County, MI
The radar
The Northern Indiana radar (KIWX), 62 km from the middle of the area, began a volume at 02:37 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, 2.6 hours before the alert went out and 212 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1162 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
474 WWUS43 KIWX 240233 WSWIWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTHERN INDIANA 933 PM EST THU FEB 23 2012 ...HEAVY WET SNOW TONIGHT INTO FRIDAY ACROSS FAR NORTHERN INDIANA AND SOUTHERN LOWER MICHIGAN... .A STORM SYSTEM MOVING OUT OF IOWA WILL MOVE THROUGH THE SOUTHERN GREAT LAKES REGION FRIDAY MORNING. INCREASED MOISTURE WILL LIFT NORTHWARD AHEAD OF THIS SYSTEM ALLOWING FOR INCREASED COVERAGE OF PRECIPITATION. A MIX OF RAIN...SLEET AND SNOW WILL CHANGE TO ALL SNOW DURING THE OVERNIGHT HOURS ACROSS FAR NORTHERN INDIANA INTO SOUTHERN LOWER MICHIGAN. THERE IS THE POTENTIAL OF 3 TO 10 INCHES OF SNOW WITH THIS SYSTEM. THE HEAVIEST SNOW WILL LIKELY FALL ACROSS EXTREME SOUTHWEST LOWER MICHIGAN. THE LIGHTER AMOUNTS WILL GENERALLY OCCUR ACROSS STARKE AND MARSHALL COUNTIES IN NORTH CENTRAL INDIANA. THE BULK OF THE HEAVIEST SNOW IS EXPECTED FROM LATE THIS EVENING INTO THE EARLY HOURS OF FRIDAY MORNING. LINGERING SNOWFALL IS EXCEPTED DOWNWIND OF LAKE MICHIGAN FRIDAY AFTERNOON INTO FRIDAY NIGHT WITH SOME ADDITIONAL SNOW ACCUMULATIONS POSSIBLE. KEEP ABREAST OF THE LATEST INFORMATION REGARDING THIS POTENTIAL WINTER STORM VIA LOCAL MEDIA...NOAA WEATHER RADIO OR ONLINE AT WEATHER.GOV/IWX. MIZ077>079-241045- /O.UPG.KIWX.WW.Y.0010.120224T0300Z-120224T1800Z/ /O.NEW.KIWX.WS.W.0004.120224T0300Z-120224T1800Z/ BERRIEN-CASS MI-ST. JOSEPH MI- INCLUDING THE CITIES OF...NILES...BENTON HARBOR...ST. JOSEPH... BUCHANAN...DOWAGIAC...CASSOPOLIS...MARCELLUS...STURGIS... THREE RIVERS...WHITE PIGEON...MENDON 933 PM EST THU FEB 23 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 1 PM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 1 PM EST FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. HAZARDOUS WEATHER... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW ARE EXPECTED DURING THE OVERNIGHT HOURS. SNOW WILL BEGIN TO TAPER OFF IN INTENSITY BY MID MORNING FRIDAY AS THE SYSTEM PULLS OFF TO THE NORTHEAST. SOME ADDITIONAL LAKE EFFECT SNOW ACCUMULATION IS POSSIBLE FRIDAY AFTERNOON INTO FRIDAY NIGHT. * STORM TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED BY MIDDAY FRIDAY. * THE HEAVIEST SNOW AMOUNTS WILL LIKELY OCCUR ACROSS NORTHERN BERRIEN...NORTHERN CASS AND NORTHWEST SAINT JOSEPH COUNTIES IN SOUTHWEST LOWER MICHIGAN. IMPACTS... * HEAVY WET SNOW MAY FALL AT RATES TO TWO INCHES PER HOUR OVERNIGHT RESULTING IN RAPID ACCUMULATIONS OF WET SNOW ON AREA ROADWAYS. THIS WILL RESULT IN SLIPPERY AND HAZARDOUS TRAVEL CONDITIONS. * FRIDAY MORNING COMMUTE WILL BE ADVERSELY AFFECTED. * NORTHWEST WINDS WILL INCREASE ON FRIDAY RESULTING IN SOME BLOWING AND DRIFTING SNOW IN OPEN AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MIZ080-081-241045- /O.CON.KIWX.WW.Y.0010.120224T0300Z-120224T1800Z/ BRANCH-HILLSDALE- INCLUDING THE CITIES OF...COLDWATER...BRONSON...HILLSDALE... LITCHFIELD...JONESVILLE 933 PM EST THU FEB 23 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST FRIDAY... HAZARDOUS WEATHER... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW ARE EXPECTED DURING THE OVERNIGHT HOURS. SNOW WILL BEGIN TO TAPER OFF IN INTENSITY BY MID MORNING FRIDAY AS THE SYSTEM PULLS OFF TO THE NORTHEAST. * STORM TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES ARE EXPECTED BY MIDDAY FRIDAY. IMPACTS... * HEAVY WET SNOW MAY FALL AT RATES GREATER THAN AN INCH PER HOUR LATE TONIGHT RESULTING IN RAPID ACCUMULATIONS OF WET SNOW ON AREA ROADWAYS. THIS WILL RESULT IN SLIPPERY AND HAZARDOUS TRAVEL CONDITIONS. * FRIDAY MORNING COMMUTE DELAYS ARE LIKELY. * NORTHWEST WINDS WILL INCREASE ON FRIDAY RESULTING IN SOME BLOWING AND DRIFTING SNOW IN OPEN AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ INZ003>007-012-014-241045- /O.CON.KIWX.WW.Y.0010.120224T0300Z-120224T1800Z/ LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STEUBEN-STARKE-MARSHALL- INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND... MISHAWAKA...NEW CARLISLE...WALKERTON...ELKHART...GOSHEN... NAPPANEE...LAGRANGE...TOPEKA...SHIPSHEWANA...ANGOLA...FREMONT... KNOX...NORTH JUDSON...BASS LAKE...PLYMOUTH...BREMEN...CULVER 933 PM EST THU FEB 23 2012 /833 PM CST THU FEB 23 2012/ ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST /NOON CST/ FRIDAY... * TIMING...PERIODS OF MODERATE SNOW ARE EXPECTED DURING THE OVERNIGHT HOURS ESPECIALLY ACROSS EXTREME NORTHERN INDIANA. FURTHER SOUTH...AN INITIAL MIX OF RAIN AND SNOW...ALONG WITH LIGHTER SNOWFALL INTENSITY WILL LESSEN TOTAL SNOW ACCUMULATIONS. SNOW WILL BEGIN TO TAPER OFF IN INTENSITY BY MID MORNING FRIDAY AS THE SYSTEM PULLS OFF TO THE NORTHEAST. * STORM TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY LATE MORNING FRIDAY...WITH THE HEAVIEST ACCUMULATIONS EXPECTED CLOSE TO THE INDIANA MICHIGAN STATELINE. IMPACTS... * HEAVY WET SNOW MAY FALL AT RATES UP TO AN INCH PER HOUR LATE TONIGHT RESULTING IN RAPID ACCUMULATION OF WET SNOW ON AREA ROADWAYS. THIS WILL LIKELY RESULT IN SLIPPERY AND HAZARDOUS TRAVEL CONDITIONS. * FRIDAY MORNING COMMUTE DELAYS ARE LIKELY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
1 follow-up statement
807 WWUS43 KIWX 240824 WSWIWX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE NORTHERN INDIANA 324 AM EST FRI FEB 24 2012 MIZ077>079-241800- /O.CAN.KIWX.WS.W.0004.000000T0000Z-120224T1800Z/ /O.EXA.KIWX.WW.Y.0010.000000T0000Z-120224T1800Z/ BERRIEN-CASS MI-ST. JOSEPH MI- INCLUDING THE CITIES OF...NILES...BENTON HARBOR...ST. JOSEPH... BUCHANAN...DOWAGIAC...CASSOPOLIS...MARCELLUS...STURGIS... THREE RIVERS...WHITE PIGEON...MENDON 324 AM EST FRI FEB 24 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELLED. HAZARDOUS WEATHER... * TIMING...PERIODS OF MODERATE SNOW WILL OVERSPREAD THE AREA LATER THIS MORNING. SNOW WILL TAPER OFF IN INTENSITY BY EARLY AFTERNOON AS THE SYSTEM PULLS OFF TO THE NORTHEAST. * STORM TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY MIDDAY FRIDAY. IMPACTS... * HEAVY WET SNOW MAY FALL AT RATES UP TO ONE INCH PER HOUR LATER THIS MORNING RESULTING IN RAPID ACCUMULATIONS OF WET SNOW ON AREA ROADWAYS. THIS WILL RESULT IN SLIPPERY AND HAZARDOUS TRAVEL CONDITIONS. * COMMUTING DELAYS ARE LIKELY LATER THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ INZ003>007-012-014-240930- /O.CAN.KIWX.WW.Y.0010.000000T0000Z-120224T1800Z/ LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STEUBEN-STARKE-MARSHALL- INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND... MISHAWAKA...NEW CARLISLE...WALKERTON...ELKHART...GOSHEN... NAPPANEE...LAGRANGE...TOPEKA...SHIPSHEWANA...ANGOLA...FREMONT... KNOX...NORTH JUDSON...BASS LAKE...PLYMOUTH...BREMEN...CULVER 324 AM EST FRI FEB 24 2012 /224 AM CST FRI FEB 24 2012/ ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS CANCELLED THE WINTER WEATHER ADVISORY. THE THREAT FOR SIGNIFICANT ACCUMULATING SNOW HAS DIMINISHED. && $$ MIZ080-081-241800- /O.CON.KIWX.WW.Y.0010.000000T0000Z-120224T1800Z/ BRANCH-HILLSDALE- INCLUDING THE CITIES OF...COLDWATER...BRONSON...HILLSDALE... LITCHFIELD...JONESVILLE 324 AM EST FRI FEB 24 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... HAZARDOUS WEATHER... * TIMING...PERIODS OF MODERATE SNOW WILL OVERSPREAD THE AREA LATER THIS MORNING. SNOW WILL TAPER OFF IN INTENSITY BY EARLY AFTERNOON AS THE SYSTEM PULLS OFF TO THE NORTHEAST. * STORM TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 3 INCHES ARE EXPECTED BY MIDDAY FRIDAY. IMPACTS... * HEAVY WET SNOW MAY FALL AT RATES UP TO ONE INCH PER HOUR LATER THIS MORNING RESULTING IN RAPID ACCUMULATIONS OF WET SNOW ON AREA ROADWAYS. THIS WILL RESULT IN SLIPPERY AND HAZARDOUS TRAVEL CONDITIONS. * COMMUTING DELAYS ARE LIKELY LATER THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
Nearby
Winter Storm Warnings in Michigan, 2012Every winter storm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.