Alert archive / Indiana / Winter Storm Watches in 2011
Winter Storm Watch 2, NWS Indianapolis, IN
NWS Indianapolis, IN issued this winter storm watch at Jan 30, 2011, 4:11 AM EST for 39 counties in Indiana. It took effect at Jan 31, 2011, 7:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 30, 2011, 4:11 AM EST (09:11 UTC)
- In effect from
- Jan 31, 2011, 7:00 PM EST
- Expired
- Jan 31, 2011, 1:38 PM EST
- In force
- Issued by
- NWS Indianapolis, IN
All 39 counties
Bartholomew County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Decatur County, IN, Delaware County, IN, Fountain County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN
The radar
The Indianapolis radar (KIND), 15 km from the middle of the area, began a volume at 09:17 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, 9.2 hours before the alert went out and 194 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
- 767 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- -72 m²/s²
- 0-3 km storm-relative helicity
- 242 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
084 WWUS43 KIND 300911 WSWIND URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE INDIANAPOLIS IN 411 AM EST SUN JAN 30 2011 ...STRONG WINTER STORM LIKELY TO IMPACT CENTRAL INDIANA... .A STRONG LOW PRESSURE SYSTEM OVER THE WESTERN UNITED STATES IS EXPECTED TO PUSH ACROSS CENTRAL INDIANA ON TUESDAY THROUGH WEDNESDAY. A VARIETY OF WINTER WEATHER IS EXPECTED WITH THIS SYSTEM. AS THE SYSTEM APPROACHES...COLD AIR WILL BE IN PLACE AT THE SURFACE...HOWEVER VERY WARM AND MOIST AIR WILL BE PULLED INTO THE SYSTEM ON SOUTHERLY WINDS...RESULTING IN WARM AIR ALOFT. THIS WILL RESULT IN FREEZING RAIN OR SLEET ACROSS MUCH OF CENTRAL INDIANA ON TUESDAY AND TUESDAY NIGHT. AS THE LOW PASSES TO OUR EAST...ALL OF THE PRECIPITATION WILL CHANGE OVER TO SNOW. AT THIS TIME...NORTH AND WEST CENTRAL INDIANA...INCLUDING THE CITIES OF KOKOMO AND LAFAYETTE LOOK TO REMAIN COLD ENOUGH THAT ALL OF THE PRECIPITATION SHOULD FALL IN THE FORM OF SNOW. HOWEVER SNOWFALL MAY BE HEAVY AND SNOWFALL AMOUNTS IN EXCESS OF 10 INCHES MAY BE POSSIBLE BY WEDNESDAY EVENING. FARTHER SOUTH...INCLUDING THE CITIES OF TERRE HAUTE...INDIANAPOLIS...BLOOMINGTON...NEW CASTLE AND MUNCIE...WARM AIR IS EXPECTED TO BE PRESENT AND PRECIPITATION MAY FALL AS SLEET OR FREEZING RAIN. SIGNIFICANT ICE ACCUMULATION IS POSSIBLE...WITH ICE ACCUMULATION AMOUNTS NEAR ONE INCH. FURTHERMORE...STRONG WINDS GUSTING UP TO 35 MPH ARE EXPECTED ON WEDNESDAY AFTERNOON. THIS COMBINATION COULD RESULT IN WIDESPREAD DOWNED TREES AND POWER LINES. UNCERTAINTY STILL EXISTS WITH THE PRECISE TRACK OF THIS SYSTEM. ADJUSTMENTS IN THE TRACK IN LATTER FORECASTS MAY HAVE SIGNIFICANT IMPACTS ON AREAS THAT MAY RECEIVE FREEZING RAIN OR SNOW. STAY ALERT TO THE LATEST FORECASTS FOR THE LATEST INFORMATION ON THIS STRONG DEVELOPING WINTER STORM. INZ021-028>031-035>049-051>057-060>063-301715- /O.NEW.KIND.WS.A.0002.110201T1200Z-110203T0000Z/ CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE- PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN- JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN- INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO... CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE... SHELBYVILLE...BLOOMINGTON 411 AM EST SUN JAN 30 2011 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING... THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING. * MAIN IMPACT: ROADS MAY BECOME IMPASSABLE DUE TO HEAVY SNOW OR ICING...BLOWING SNOW WILL REDUCE VISIBILITY...TRAVEL MAY BECOME VERY HAZARDOUS OR IMPOSSIBLE. * ACCUMULATIONS: SNOW ACCUMULATIONS IN EXCESS OF 10 INCHES IS POSSIBLE IN NORTHWEST CENTRAL INDIANA. ICE ACCUMULATIONS IN EXCESS OF ONE INCH ARE POSSIBLE ALONG AND NEAR THE INTERSTATE 70 CORRIDOR. * TIMING: PRECIPITATION IS EXPECTED TO BEGIN ON TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * OTHER IMPACTS: WIND GUSTS TO 35 MPH ON WEDNESDAY AFTERNOON IN COMBINATION WITH POSSIBLE ICE ACCUMULATIONS MAY RESULT IN DOWNED TREES AND POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ PUMA
5 follow-up statements
314 WWUS43 KIND 301211 WSWIND URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE INDIANAPOLIS IN 711 AM EST SUN JAN 30 2011 ...STRONG WINTER STORM LIKELY TO IMPACT CENTRAL INDIANA... .A STRONG LOW PRESSURE SYSTEM OVER THE WESTERN UNITED STATES IS EXPECTED TO PUSH ACROSS CENTRAL INDIANA ON TUESDAY THROUGH WEDNESDAY. A VARIETY OF WINTER WEATHER IS EXPECTED WITH THIS SYSTEM. AS THE SYSTEM APPROACHES...COLD AIR WILL BE IN PLACE AT THE SURFACE...HOWEVER VERY WARM AND MOIST AIR WILL BE PULLED INTO THE SYSTEM ON SOUTHERLY WINDS...RESULTING IN WARM AIR ALOFT. THIS WILL RESULT IN FREEZING RAIN OR SLEET ACROSS MUCH OF CENTRAL INDIANA LATE MONDAY INTO TUESDAY NIGHT. AS THE LOW PASSES TO OUR EAST...ALL OF THE PRECIPITATION WILL CHANGE OVER TO SNOW. AT THIS TIME...NORTH AND WEST CENTRAL INDIANA...INCLUDING THE CITIES OF KOKOMO AND LAFAYETTE LOOK TO REMAIN COLD ENOUGH THAT ALL OF THE PRECIPITATION SHOULD FALL IN THE FORM OF SNOW. HOWEVER SNOWFALL MAY BE HEAVY AND SNOWFALL AMOUNTS IN EXCESS OF 10 INCHES MAY BE POSSIBLE BY WEDNESDAY EVENING. FARTHER SOUTH...INCLUDING THE CITIES OF TERRE HAUTE... INDIANAPOLIS...BLOOMINGTON...NEW CASTLE AND MUNCIE...WARM AIR IS EXPECTED TO BE PRESENT AND PRECIPITATION MAY FALL AS SLEET OR FREEZING RAIN. SIGNIFICANT ICE ACCUMULATION IS POSSIBLE...WITH ICE ACCUMULATION AMOUNTS NEAR ONE INCH. FURTHERMORE...STRONG WINDS GUSTING UP TO 35 MPH ARE EXPECTED ON WEDNESDAY AFTERNOON. THIS COMBINATION COULD RESULT IN WIDESPREAD DOWNED TREES AND POWER LINES. UNCERTAINTY STILL EXISTS WITH THE PRECISE TRACK OF THIS SYSTEM. ADJUSTMENTS IN THE TRACK IN LATTER FORECASTS MAY HAVE SIGNIFICANT IMPACTS ON AREAS THAT MAY RECEIVE FREEZING RAIN OR SNOW. STAY ALERT TO THE LATEST FORECASTS FOR THE LATEST INFORMATION ON THIS STRONG DEVELOPING WINTER STORM. INZ021-028>031-035>049-051>057-060>063-302015- /O.CON.KIND.WS.A.0002.110201T1200Z-110203T0000Z/ CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE- PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN- JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN- INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO... CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE... SHELBYVILLE...BLOOMINGTON 711 AM EST SUN JAN 30 2011 ...WINTER STORM WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING. * MAIN IMPACT: ROADS MAY BECOME IMPASSABLE DUE TO HEAVY SNOW OR ICING...BLOWING SNOW WILL REDUCE VISIBILITY...TRAVEL MAY BECOME VERY HAZARDOUS OR IMPOSSIBLE. * ACCUMULATIONS: SNOW ACCUMULATIONS IN EXCESS OF 10 INCHES IS POSSIBLE IN NORTHWEST CENTRAL INDIANA. ICE ACCUMULATIONS IN EXCESS OF ONE INCH ARE POSSIBLE ALONG AND NEAR THE INTERSTATE 70 CORRIDOR. * TIMING: PRECIPITATION IS EXPECTED TO BEGIN LATE MONDAY AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * OTHER IMPACTS: WIND GUSTS TO 35 MPH ON WEDNESDAY AFTERNOON IN COMBINATION WITH POSSIBLE ICE ACCUMULATIONS MAY RESULT IN DOWNED TREES AND POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ KOCH
363 WWUS43 KIND 302025 WSWIND URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE INDIANAPOLIS IN 325 PM EST SUN JAN 30 2011 ...STRONG WINTER STORM LIKELY TO IMPACT CENTRAL INDIANA... .A STRONG LOW PRESSURE SYSTEM OVER THE WESTERN UNITED STATES IS EXPECTED TO PUSH ACROSS CENTRAL INDIANA ON TUESDAY THROUGH WEDNESDAY. A VARIETY OF WINTER WEATHER IS EXPECTED WITH THIS SYSTEM. AS THE SYSTEM APPROACHES...COLD AIR WILL BE IN PLACE AT THE SURFACE...HOWEVER VERY WARM AND MOIST AIR WILL BE PULLED INTO THE SYSTEM ON SOUTHERLY WINDS...RESULTING IN WARM AIR ALOFT. THIS WILL RESULT IN FREEZING RAIN OR SLEET ACROSS MUCH OF CENTRAL INDIANA LATE MONDAY INTO TUESDAY NIGHT. AS THE LOW PASSES TO OUR EAST EARLY WEDNESDAY MORNING...ALL OF THE PRECIPITATION WILL CHANGE OVER TO SNOW. AT THIS TIME...NORTH AND WEST CENTRAL INDIANA...INCLUDING THE CITIES OF KOKOMO AND LAFAYETTE LOOK TO REMAIN COLD ENOUGH THAT A SIGNIFICANT PORTION OF THE PRECIPITATION MAY FALL IN THE FORM OF SNOW. HOWEVER SNOWFALL MAY BE HEAVY AND SNOWFALL AMOUNTS IN EXCESS OF 10 INCHES MAY BE POSSIBLE BY WEDNESDAY EVENING. FARTHER SOUTH...INCLUDING THE CITIES OF TERRE HAUTE... INDIANAPOLIS...BLOOMINGTON...NEW CASTLE AND MUNCIE...WARM AIR IS EXPECTED TO BE PRESENT AND PRECIPITATION MAY FALL AS SLEET OR FREEZING RAIN. SIGNIFICANT ICE ACCUMULATION IS POSSIBLE...WITH ICE ACCUMULATION AMOUNTS NEAR ONE INCH. FURTHERMORE...STRONG WINDS GUSTING UP TO 35 MPH ARE EXPECTED ON WEDNESDAY AFTERNOON. THIS COMBINATION COULD RESULT IN WIDESPREAD DOWNED TREES AND POWER LINES. UNCERTAINTY STILL EXISTS WITH THE PRECISE TRACK OF THIS SYSTEM. ADJUSTMENTS IN THE TRACK IN LATTER FORECASTS MAY HAVE SIGNIFICANT IMPACTS ON AREAS THAT MAY RECEIVE FREEZING RAIN OR SNOW. STAY ALERT TO THE LATEST FORECASTS FOR THE LATEST INFORMATION ON THIS STRONG DEVELOPING WINTER STORM. INZ064-065-067>072-310430- /O.EXB.KIND.WS.A.0002.110201T0000Z-110203T0000Z/ BARTHOLOMEW-DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS- INCLUDING THE CITIES OF...COLUMBUS...VINCENNES...BEDFORD... SEYMOUR 325 PM EST SUN JAN 30 2011 ...WINTER STORM WATCH IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY EVENING... THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY EVENING. * MAIN IMPACT: ROADS MAY BECOME IMPASSABLE DUE TO HEAVY SNOW OR ICING...BLOWING SNOW WILL REDUCE VISIBILITY...TRAVEL MAY BECOME VERY HAZARDOUS OR IMPOSSIBLE. * ACCUMULATIONS: SNOW ACCUMULATION IN EXCESS OF 10 INCHES IS POSSIBLE IN NORTHWEST CENTRAL INDIANA. ICE ACCUMULATIONS IN EXCESS OF ONE INCH ARE POSSIBLE ALONG AND NEAR THE INTERSTATE 70 CORRIDOR. * TIMING: PRECIPITATION IS EXPECTED TO BEGIN LATE MONDAY AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * OTHER IMPACTS: WIND GUSTS TO 35 MPH ON WEDNESDAY IN COMBINATION WITH POSSIBLE ICE ACCUMULATIONS MAY RESULT IN DOWNED TREES AND POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ INZ021-028>031-035>049-051>057-060>063-310430- /O.EXT.KIND.WS.A.0002.110201T0000Z-110203T0000Z/ CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE- PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN- JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN- INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO... CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE... SHELBYVILLE...BLOOMINGTON 325 PM EST SUN JAN 30 2011 ...WINTER STORM WATCH NOW IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY EVENING... THE WINTER STORM WATCH IS NOW IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY EVENING. * MAIN IMPACT: ROADS MAY BECOME IMPASSABLE DUE TO HEAVY SNOW OR ICING...BLOWING SNOW WILL REDUCE VISIBILITY...TRAVEL MAY BECOME VERY HAZARDOUS OR IMPOSSIBLE. * ACCUMULATIONS: SNOW ACCUMULATION IN EXCESS OF 10 INCHES IS POSSIBLE IN NORTHWEST CENTRAL INDIANA. ICE ACCUMULATIONS IN EXCESS OF ONE INCH ARE POSSIBLE ALONG AND NEAR THE INTERSTATE 70 CORRIDOR. * TIMING: PRECIPITATION IS EXPECTED TO BEGIN LATE MONDAY AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * OTHER IMPACTS: WIND GUSTS TO 35 MPH ON WEDNESDAY IN COMBINATION WITH POSSIBLE ICE ACCUMULATIONS MAY RESULT IN DOWNED TREES AND POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ NIELD
309 WWUS43 KIND 310147 AAA WSWIND URGENT - WINTER WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE INDIANAPOLIS IN 847 PM EST SUN JAN 30 2011 ...STRONG WINTER STORM LIKELY TO IMPACT CENTRAL INDIANA... .A STRONG LOW PRESSURE SYSTEM OVER THE WESTERN UNITED STATES IS EXPECTED TO PUSH ACROSS CENTRAL INDIANA ON TUESDAY THROUGH WEDNESDAY. A VARIETY OF WINTER WEATHER IS EXPECTED WITH THIS SYSTEM. AS THE SYSTEM APPROACHES...COLD AIR WILL BE IN PLACE AT THE SURFACE...HOWEVER VERY WARM AND MOIST AIR WILL BE PULLED INTO THE SYSTEM ON SOUTHERLY WINDS...RESULTING IN WARM AIR ALOFT. THIS WILL RESULT IN FREEZING RAIN OR SLEET ACROSS MUCH OF CENTRAL INDIANA LATE MONDAY INTO TUESDAY NIGHT. AS THE LOW PASSES TO OUR EAST EARLY WEDNESDAY MORNING...ALL OF THE PRECIPITATION WILL CHANGE OVER TO SNOW. AT THIS TIME...NORTH AND WEST CENTRAL INDIANA...INCLUDING THE CITIES OF KOKOMO AND LAFAYETTE LOOK TO REMAIN COLD ENOUGH THAT A SIGNIFICANT PORTION OF THE PRECIPITATION MAY FALL IN THE FORM OF SNOW. HOWEVER SNOWFALL MAY BE HEAVY AND SNOWFALL AMOUNTS IN EXCESS OF 10 INCHES MAY BE POSSIBLE BY WEDNESDAY EVENING. FARTHER SOUTH...INCLUDING THE CITIES OF TERRE HAUTE... INDIANAPOLIS...BLOOMINGTON...NEW CASTLE AND MUNCIE...WARM AIR IS EXPECTED TO BE PRESENT AND PRECIPITATION MAY FALL AS SLEET OR FREEZING RAIN. SIGNIFICANT ICE ACCUMULATION IS POSSIBLE...WITH ICE ACCUMULATION AMOUNTS NEAR ONE INCH. FURTHERMORE...STRONG WINDS GUSTING UP TO 35 MPH ARE EXPECTED ON WEDNESDAY AFTERNOON. THIS COMBINATION COULD RESULT IN WIDESPREAD DOWNED TREES AND POWER LINES. UNCERTAINTY STILL EXISTS WITH THE PRECISE TRACK OF THIS SYSTEM. ADJUSTMENTS IN THE TRACK IN LATTER FORECASTS MAY HAVE SIGNIFICANT IMPACTS ON AREAS THAT MAY RECEIVE FREEZING RAIN OR SNOW. STAY ALERT TO THE LATEST FORECASTS FOR THE LATEST INFORMATION ON THIS STRONG DEVELOPING WINTER STORM. INZ021-028>031-035>049-051>057-060>065-067>072-311000- /O.CON.KIND.WS.A.0002.110201T0000Z-110203T0000Z/ CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE- PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN- JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW- DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS- INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO... CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE... SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD... SEYMOUR 847 PM EST SUN JAN 30 2011 ...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH WEDNESDAY EVENING. * MAIN IMPACT: ROADS MAY BECOME IMPASSABLE DUE TO HEAVY SNOW OR ICING...BLOWING SNOW WILL REDUCE VISIBILITY...TRAVEL MAY BECOME VERY HAZARDOUS OR IMPOSSIBLE. * ACCUMULATIONS: SNOW ACCUMULATION IN EXCESS OF 10 INCHES IS POSSIBLE IN NORTHWEST CENTRAL INDIANA. ICE ACCUMULATIONS IN EXCESS OF ONE INCH ARE POSSIBLE ALONG AND NEAR THE INTERSTATE 70 CORRIDOR. * TIMING: PRECIPITATION IS EXPECTED TO BEGIN LATE MONDAY AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * OTHER IMPACTS: WIND GUSTS TO 35 MPH ON WEDNESDAY IN COMBINATION WITH POSSIBLE ICE ACCUMULATIONS MAY RESULT IN DOWNED TREES AND POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
191 WWUS43 KIND 310912 WSWIND URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE INDIANAPOLIS IN 412 AM EST MON JAN 31 2011 ...STRONG WINTER STORM LIKELY TO IMPACT CENTRAL INDIANA... .A STRONG LOW PRESSURE SYSTEM OVER THE WESTERN UNITED STATES IS EXPECTED TO PUSH ACROSS CENTRAL INDIANA ON STARTING TONIGHT THROUGH WEDNESDAY. A VARIETY OF WINTER WEATHER IS EXPECTED WITH THIS SYSTEM. AS THE SYSTEM APPROACHES...COLD AIR WILL BE IN PLACE AT THE SURFACE...HOWEVER VERY WARM AND MOIST AIR WILL BE PULLED INTO THE SYSTEM ON SOUTHERLY WINDS...RESULTING IN WARM AIR ALOFT. THIS WILL RESULT IN FREEZING RAIN OR SLEET ACROSS MUCH OF CENTRAL INDIANA LATE MONDAY INTO TUESDAY NIGHT. AS THE LOW PASSES TO OUR EAST EARLY WEDNESDAY MORNING...ALL OF THE PRECIPITATION WILL CHANGE OVER TO SNOW. AT THIS TIME...NORTH AND WEST CENTRAL INDIANA...INCLUDING THE CITIES OF KOKOMO AND LAFAYETTE LOOK TO REMAIN COLD ENOUGH THAT A SIGNIFICANT PORTION OF THE PRECIPITATION MAY FALL IN THE FORM OF SNOW. HOWEVER SNOWFALL MAY BE HEAVY AND SNOWFALL AMOUNTS IN EXCESS OF 12 INCHES MAY BE POSSIBLE BY WEDNESDAY EVENING. FARTHER SOUTH...INCLUDING THE CITIES OF TERRE HAUTE... INDIANAPOLIS...BLOOMINGTON...NEW CASTLE AND MUNCIE...WARM AIR IS EXPECTED TO BE PRESENT AND PRECIPITATION MAY FALL AS SLEET OR FREEZING RAIN. SIGNIFICANT ICE ACCUMULATION IS POSSIBLE...WITH ICE ACCUMULATION OVER ONE INCH. FURTHERMORE...STRONG WINDS GUSTING UP TO 35 MPH ARE EXPECTED ON WEDNESDAY AFTERNOON. THIS COMBINATION COULD RESULT IN WIDESPREAD DOWNED TREES AND POWER LINES. A LARGE AREA OF CENTRAL INDIANA MAY RECEIVE LARGE ICE ACCUMULATIONS AND STRONG WINDS BY WEDNESDAY AFTERNOON. THIS MAY RESULT IN WIDESPREAD TREES DOWN AND WIDESPREAD POWER OUTAGES. LONG DURATION POWER OUTAGES WILL BE POSSIBLE FOR MANY PEOPLE IN CENTRAL INDIANA. UNCERTAINTY STILL EXISTS WITH THE PRECISE TRACK OF THIS SYSTEM. ADJUSTMENTS IN THE TRACK IN LATTER FORECASTS MAY HAVE SIGNIFICANT IMPACTS ON AREAS THAT MAY RECEIVE FREEZING RAIN OR SNOW. STAY ALERT TO THE LATEST FORECASTS FOR THE LATEST INFORMATION ON THIS STRONG DEVELOPING WINTER STORM. INZ021-028>031-035>049-051>057-060>065-067>072-311715- /O.CON.KIND.WS.A.0002.110201T0000Z-110203T0000Z/ CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE- PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN- JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW- DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS- INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO... CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE... SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD... SEYMOUR 412 AM EST MON JAN 31 2011 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY EVENING. * MAIN IMPACT: ROADS MAY BECOME IMPASSABLE DUE TO HEAVY SNOW OR ICING...BLOWING SNOW WILL REDUCE VISIBILITY...TRAVEL MAY BECOME VERY HAZARDOUS OR IMPOSSIBLE. ICE ACCUMULATIONS MAY RESULT IN WIDESPREAD...LONG DURATION POWER OUTAGES. * ACCUMULATIONS: SNOW ACCUMULATION IN EXCESS OF 12 INCHES IS POSSIBLE IN NORTHWEST CENTRAL INDIANA. ICE ACCUMULATIONS IN EXCESS OF ONE INCH ARE POSSIBLE ALONG AND NEAR THE INTERSTATE 70 CORRIDOR. * TIMING: PRECIPITATION IS EXPECTED TO BEGIN LATE MONDAY AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * OTHER IMPACTS: WIND GUSTS TO 35 MPH ON WEDNESDAY IN COMBINATION WITH POSSIBLE ICE ACCUMULATIONS MAY RESULT IN DOWNED TREES AND POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ PUMA
823 WWUS43 KIND 311838 WSWIND URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE INDIANAPOLIS IN 138 PM EST MON JAN 31 2011 ...POTENTIALLY CATASTROPHIC WINTER STORM TO IMPACT CENTRAL INDIANA... .A STRONG LOW PRESSURE SYSTEM OVER THE WESTERN UNITED STATES WILL PUSH ACROSS CENTRAL INDIANA STARTING TONIGHT THROUGH WEDNESDAY. A VARIETY OF WINTER WEATHER IS EXPECTED WITH THIS SYSTEM. AS THE SYSTEM APPROACHES...COLD AIR WILL BE IN PLACE AT THE SURFACE...HOWEVER VERY WARM AND MOIST AIR WILL BE PULLED INTO THE SYSTEM ON SOUTHERLY WINDS...RESULTING IN WARM AIR ALOFT. THIS WILL RESULT IN FREEZING RAIN OR SLEET ACROSS MUCH OF CENTRAL INDIANA THIS EVENING INTO TUESDAY NIGHT. AS THE LOW PASSES TO OUR EAST EARLY WEDNESDAY MORNING...ALL OF THE PRECIPITATION WILL CHANGE OVER TO SNOW. AT THIS TIME...NORTH AND NORTHWEST CENTRAL INDIANA...INCLUDING THE CITIES OF KOKOMO AND LAFAYETTE LOOK TO REMAIN COLD ENOUGH THAT A SIGNIFICANT PORTION OF THE PRECIPITATION MAY FALL IN THE FORM OF SNOW. HOWEVER SNOWFALL MAY BE HEAVY AND SNOWFALL AMOUNTS IN EXCESS OF 12 INCHES ARE POSSIBLE BY WEDNESDAY EVENING. FARTHER SOUTH...INCLUDING THE CITIES OF TERRE HAUTE... INDIANAPOLIS...BLOOMINGTON...NEW CASTLE AND MUNCIE...WARM AIR IS EXPECTED TO BE PRESENT AND PRECIPITATION MAY FALL AS SLEET OR FREEZING RAIN. SIGNIFICANT ICE ACCUMULATION IS POSSIBLE...WITH ICE ACCUMULATION OF ONE INCH OR MORE. FURTHERMORE...STRONG WINDS GUSTING UP TO 35 MPH ARE EXPECTED FROM LATE TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON. THIS COMBINATION WILL RESULT IN WIDESPREAD DOWNED TREES AND POWER LINES. A LARGE AREA OF CENTRAL INDIANA MAY RECEIVE LARGE ICE ACCUMULATIONS AND STRONG WINDS BY WEDNESDAY AFTERNOON. THIS WILL RESULT IN WIDESPREAD TREES DOWN AND WIDESPREAD POWER OUTAGES. LONG DURATION POWER OUTAGES WILL BE POSSIBLE FOR MANY PEOPLE IN CENTRAL INDIANA. UNCERTAINTY STILL EXISTS WITH THE PRECISE TRACK OF THIS SYSTEM. ADJUSTMENTS IN THE TRACK IN LATER FORECASTS MAY HAVE SIGNIFICANT IMPACTS ON AREAS THAT MAY RECEIVE FREEZING RAIN OR SNOW. STAY ALERT TO THE LATEST FORECASTS FOR THE LATEST INFORMATION ON THIS POTENTIALLY CATASTROPHIC WINTER STORM. INZ021-028>031-035>049-051>057-060>065-067>072-010245- /O.UPG.KIND.WS.A.0002.110201T0000Z-110203T0000Z/ /O.NEW.KIND.WS.W.0001.110201T0000Z-110203T0000Z/ CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE- PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN- JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW- DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS- INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO... CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE... SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD... SEYMOUR 138 PM EST MON JAN 31 2011 ...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 PM EST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...SLEET AND FREEZING RAIN...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM EST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * MAIN IMPACT: ROADS WILL LIKELY BECOME IMPASSABLE DUE TO HEAVY SNOW OR ICING...BLOWING SNOW WILL REDUCE VISIBILITY...TRAVEL WILL BECOME VERY HAZARDOUS OR POTENTIALLY IMPOSSIBLE. ICE ACCUMULATIONS MAY RESULT IN WIDESPREAD...LONG DURATION POWER OUTAGES. * ACCUMULATIONS: SNOW ACCUMULATION IN EXCESS OF 12 TO 16 INCHES IS POSSIBLE IN NORTHWEST CENTRAL INDIANA. ICE ACCUMULATIONS IN EXCESS OF ONE INCH ARE POSSIBLE ALONG AND NEAR THE INTERSTATE 70 CORRIDOR. * TIMING: PRECIPITATION IS EXPECTED TO BEGIN MONDAY EVENING AND CONTINUE THROUGH WEDNESDAY AFTERNOON. * OTHER IMPACTS: WIND GUSTS OF 35 TO 40 MPH ON TUESDAY AND WEDNESDAY IN COMBINATION WITH HEAVY ICE ACCUMULATIONS WILL LIKELY RESULT IN DOWNED TREES AND POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ NIELD
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Indianapolis, IN wrote its last area forecast discussion before this winter storm watch went out at Jan 30, 2:43 AM EST, 1 hour 28 minutes earlier.
Area forecast discussion, Jan 30, 2:43 AM EST, 1 hour 28 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 243 AM EST SUN JAN 30 2011 .UPDATE... THE SYNOPSIS...NEAR TERM AND SHORT TERM SECTIONS HAVE BEEN UPDATED BELOW && .SYNOPSIS...SURFACE ANALYSIS EARLY THIS MORNING SHOWS POORLY ORGANIZED HIGH PRESSURE OVER MICHIGAN. LOW PRESSURE WAS FOUND NEAR TEXAS WITH A WARM FRONT EXTENDING NORTHEAST TO THE OHIO RIVER. ALOFT...A WEAK SHORT WAVE WAS EXITING INDIANA AND WAS PRODUCING SOME LIGHT MIXED PRECIP ACROSS THE NORTH AND EASTERN PARTS OF THE FORECAST AREA. AS THIS DISTURBANCE EXITS THIS MORNING...THE HIGH PRESSURE IS EXPECTED TO BUILD SOUTH AND PROVIDE DRY BUT COLD WEATHER TO START OFF THE NEW WEEK. HOWEVER...A VERY POWERFUL STORM SYSTEM APPROACHING THE WEST COAST OF THE UNITED STATES IS POISED TO PUSH ACROSS CENTRAL INDIANA ON IN THE MIDDLE OF THE WEEK...SPREADING HEAVY SNOW ACROSS THE NORTHERN PARTS OF THE STATE AND FREEZING PRECIPITATION ACROSS CENTRAL PARTS OF THE STATE. AS THE WEEK ENDS ARCTIC HIGH PRESSURE IS EXPECTED TO BUILD IN THE WAKE OF THE POWERFUL STORM...ENDING THE WEEK ON A DRY BUT VERY COLD NOTE. && .NEAR TERM /TODAY/... RADAR TRENDS SHOW ONGOING LIGHT PRECIPITATION READY TO EXIT THE AREA THIS MORNING. MODELS AGREE THAT THIS WAVE WILL QUICKLY EXIT AS THE FRONTAL BOUNDARY TO THE SOUTH SAGS SOUTHWARD AS THE HIGH TO THE NORTH ALSO BUILDS TO THE SOUTH. FURTHERMORE...TIME HEIGHT SECTIONS SHOW VERTICAL FORCING COMING TO A HALT AND A LACK OF DEEP MOISTURE. TIME HEIGHTS DO KEEP A THIN BAND OF SATURATION NEAR THE SURFACE IN THE COLD NORTHEAST FLOW. 850MB SURFACE SHOW WEAK COLD AIR ADVECTION THROUGH THE DAY. GIVEN THE ABOVE WILL AIM FOR MOSTLY CLOUDY SKIES AND HIGH TEMPERATURES 1-3 DEGREES COOLER THAN MAVMOS. && .SHORT TERM /TONIGHT THROUGH WEDNESDAY/... MODELS ARE IN PRETTY GOOD AGREEMENT IN THE SHORT TERM AND WILL USE A BLEND. MAIN FORECAST CHALLENGE THROUGH MONDAY WILL BE TEMPERATURES...BUT THEN FOCUS WILL CHANGE TO THE MAJOR STORM EXPECTED TO PUSH THROUGH THE AREA DURING THE MIDDLE PART OF THE WEEK. THE BROAD...COLD HIGH PRESSURE SYSTEM IS EXPECTED TO KEEP THE COLD NORTHEAST FLOW ACROSS THE FORECAST AREA TONIGHT AND MONDAY. TIME HEIGHT SECTIONS AND FORECAST SOUNDING SHOW GENERALLY A DRY COLUMN WITH LITTLE IN THE WAY OF FORCING TONIGHT AND MONDAY. THUS AGAIN EXPECT MOSTLY CLOUDY SKIES THROUGH MONDAY ALONG WITH HIGHS COOLER THAN THE MAVMOS AND LOWS SLIGHTLY WARMER THAN MAVMOS. THE STRONG STORM SYSTEM CURRENTLY APPROACHING THE WEST COAST OF THE UNITED STATES WILL THEN BEGIN TO EFFECT THE AREA STARTING ON MONDAY NIGHT AS THE GFS AND NAM SUGGEST A PRECURSOR TO THE MAJOR WAVE THAT WILL PUSH THROUGH ON TUESDAY THROUGH WEDNESDAY. GFS 290K ISENTROPIC SURFACE SHOWS STRONG LIFT ACROSS THE AREA AFTER 00Z TUESDAY...WITH MIXING RATIOS NEAR 4 G/KG. FORECAST SOUNDINGS ARE SATURATED AND BELOW ZERO ACROSS THE NORTHWEST...WHILE MUCH OF THE REST OF CENTRAL INDIANA REVEALS A CLASSIC FREEZING RAIN TYPE SOUNDING. THUS WILL RAISE POPS DURING THIS TIME FRAME...BUT LEAN WARMER THAN MAVMOS ON LOWS GIVEN THE EXPECTED PRECIPITATION. THE NEXT AND MORE POWERFUL PART OF THE STORM SYSTEM LOOKS TO ARRIVE ACROSS THE AREA ON TUESDAY AND WILL CONTINUE TO LAST INTO WEDNESDAY. AHEAD OF THE SYSTEM A STRONG SOUTHWEST TO NORTHEAST THERMAL GRADIENT WILL BE IN PLACE ACROSS CENTRAL INDIANA. THE NORTH SIDE OF THIS BOUNDARY...LAF...KOKOMO...WILL MAINLY BE SEE SNOW AS FORECAST SOUNDINGS SHOWS THEIR PROFILES TO REMAIN BELOW ZERO. MEANWHILE TO THE SOUTH...IND...HUF...MIE...BMG...FORECAST SOUNDINGS CONTINUE TO SHOW A CLASSIC FREEZING RAIN SOUNDING. MANY FORCING MECHANISMS WITH THIS SYSTEM. FIRST...UPPER JET SHOWS COUPLING. 300MB HEIGHTS SHOW RIGHT REAR REGION ACROSS WISCONSIN AND AN APPROACHING LEFT ENTRANCE ACROSS MISSOURI. THIS SHOULD RESULT IN STRONG LIFT ACROSS ILLINOIS...POISED TO PUSH THROUGH CENTRAL INDIANA. SECOND...VERY STRONG VORTICITY ADVECTION SEEN AT 500MB AS THE TROUGH APPROACHES AND PASSES ACROSS CENTRAL INDIANA. THIRD...POTENTIAL VORTICITY ALSO SHOWS STRATOSPHERIC INTRUSION DOWN TO NEARLY 450-500MB DEPENDING UPON YOUR MODEL CHOICE. THIS IS INDICATIVE OF VERY STRONG FORCING. THIRD...VERY STRONG Q VECTOR DIVERGENCE ALOFT ACROSS INDIANA ON TUESDAY NIGHT INTO WEDNESDAY. FOURTH...THE 700MB CLOSED LOW IS EXPECTED TO PUSH ACROSS CENTRAL AND NORTHERN INDIANA ON TUESDAY NIGHT INTO WEDNESDAY. TYPICALLY THE HEAVIEST PRECIPITATION WILL FALL ALONG THE PATH OF A 700 MB CLOSED LOW. FIFTH...THE GFS 290K ISENTROPIC SURFACE SHOWS VERY STRONG UPGLIDE ESTABLISHING ITSELF ON TUESDAY AFTERNOON AND LASTING UNTIL EARLY WEDNESDAY MORNING. PLENTY OF MOISTURE IS AVAILABLE ALONG THIS SURFACE AS MIXING RATIOS REACH 5 TO 6 G/KG. SIXTH...FORECAST SOUNDINGS SHOW A DEEPLY SATURATED COLUMN WITH STRONG LIFT. SEVENTH...THE SURFACE LOW IS EXPECTED TO APPROACH INDIANA FROM WESTERN TENNESSEE ON TUESDAY NIGHT...PUSHING NORTHEAST ALONG THE OHIO RIVER ON TUESDAY NIGHT. AGAIN...THIS IS A FAVORABLE TRACK FOR HEAVY SNOW ACROSS CENTRAL INDIANA. HOWEVER...FORECAST SOUNDINGS CONTINUE TO INDICATE A VERY STRONG...LOW LEVEL JET LATE ON TUESDAY NIGHT. GFS HINTS AT 70-80 KNTS ACROSS KENTUCKY AND SOUTHEAST INDIANA. THIS KIND OF WARM AND MOIST TRANSPORT CERTAINLY WILL OVERRUN COLDER AIR...EXPECTED TO BE IN THE 20S...AT THE SURFACE. GIVEN THIS...NAM POTENTIAL TEMPERATURE SURFACE AT 650MB ALSO SUGGEST TROWAL DEVELOPMENT LATE TUESDAY NIGHT. FINALLY...BUFKIT SHOWS WIND GUSTS TO NEAR 35 MPH IN THE WAKE OF THE SYSTEM ON WEDNESDAY AFTERNOON. IF SIGNIFICANT FREEZING RAIN DOES OCCUR...THESE WINDS IN COMBINATION WITH THAT ICE WILL RESULT IN DOWNED TREES AND POWER LINES. I REST MY CASE. GIVEN THIS WILL ISSUE WINTER STORM WATCH FOR THIS TIME FRAME...STARTING ON TUESDAY AFTERNOON AND CONTINUING THROUGH 00Z THURSDAY. GIVEN WE ARE STILL A FEW DAYS OUT ON THIS SYSTEM...PRECISE TRACKING OF THE STORM IS NOT YET AVAILABLE...HOWEVER CONFIDENCE IS HIGH THAT A STRONG SYSTEM WILL BE PUSHING THROUGH THE AREA DURING THIS TIME FRAME. SOME AREAS WILL SEE HEAVY SNOW AND OTHERS WILL SEE SIGNIFICANT FREEZING RAIN OR ICE. THE POTENTIAL EXISTS FOR A SIGNIFICANT SNOWFALL AND ICE STORM DURING THE MIDDLE PART OF THE WEEK...WHICH COULD RESULT IN VERY DIFFICULT TRAVEL CONDITION...HEAVY SNOW AND EVEN DOWNED TREES AND POWER LINES. VERY COLD AIR IS EXPECTED IN THE WAKE OF THIS SYSTEM AND A QUICK THAW IS NOT EXPECTED. && .LONG TERM /WEDNESDAY NIGHT THROUGH NEXT SATURDAY/... WILL KEEP POPS GOING INTO WEDNESDAY NIGHT AS SYSTEM MAY STILL BE CLOSE ENOUGH TO AFFECT THE AREA. WILL GO DRY FROM THURSDAY ON...AS VERY COLD ARCTIC HIGH PRESSURE BUILDS ACROSS THE REGION. && .AVIATION /DISCUSSION FOR THE 300600Z TAFS/... WEAK IMPULSE MOVING INTO NORTHWEST INDIANA CAUSING SOME SPOTTY LIGHT MIXED PRECIPITATION. MAY BE SOME BRIEF PERIODS OF VERY LIGHT MIXED PRECIPITATION IN THE VICINITY OF KLAF/KIND TIL ABOUT 300900Z. OTHERWISE...LOW CLOUD DECK DROPPING SOUTH INTO NORTHERN ILLINOIS IN THE WAKE OF THE IMPULSE. EXTRAPOLATION OF THE LEADING EDGE SUGGEST CEILINGS 010-020 WILL SPREAD BACK OVER THE TAF SITES DURING THE PRE DAWN HOURS ON SUNDAY...AND WILL PROBABLY LINGER BEYOND 301800Z AS A LOW LEVEL INVERSION HOLDS. AREAS OF MAINLY MVFR VISIBILITY RESTRICTIONS IN LIGHT FOG SHOULD ALSO CONTINUE OVERNIGHT AND INTO THE MID MORNING HOURS ON SUNDAY AS MIXING SHOULD REMAIN LIMITED UNDER THE INVERSION. NO WIND ISSUES EXPECTED ACROSS THE TAF SITES THROUGH 301800Z. && .IND WATCHES/WARNINGS/ADVISORIES... WINTER STORM WATCH FOR MUCH OF CENTRAL INDIANA...18Z TUESDAY THROUGH 00Z THURSDAY. && SYNOPSIS...JP NEAR TERM...JP SHORT TERM...JP LONG TERM....JAS/JP AVIATION...JAS
Hazardous weather outlook, Jan 29, 4:22 AM EST, 23 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 422 AM EST SAT JAN 29 2011 INZ021-028>031-035>049-054>057-300930- CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE- PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-MORGAN-JOHNSON-SHELBY-RUSH- 422 AM EST SAT JAN 29 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. A STRONG STORM SYSTEM WILL PRODUCE SIGNIFICANT WINTER PRECIPITATION ACROSS THE MIDWEST LATE MONDAY INTO LATE WEDNESDAY. SIGNIFICANT ICE AND OR SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED MONDAY NIGHT INTO WEDNESDAY. .SPOTTER INFORMATION STATEMENT... WINTER WEATHER SPOTTERS HELP WILL BE NEEDED NEXT WEEK. && MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL LOWERCASE) INZ051>053-060>065-067>072-300930- VIGO-CLAY-OWEN-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-DECATUR- KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS- 422 AM EST SAT JAN 29 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. A STRONG STORM SYSTEM WILL PRODUCE SIGNIFICANT WINTER PRECIPITATION ACROSS THE MIDWEST LATE MONDAY INTO LATE WEDNESDAY. SIGNIFICANT ICE AND OR SIGNIFICANT SNOW ACCUMULATIONS MAY BE POSSIBLE MONDAY NIGHT INTO WEDNESDAY. .SPOTTER INFORMATION STATEMENT... WINTER WEATHER SPOTTERS HELP WILL BE NEEDED NEXT WEEK. && MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL LOWERCASE) TUCEK
Nearby
Winter Storm Watches in Indiana, 2011Every winter storm watch 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.