Alert archive / Indiana / Wind Chill Advisories in 2011
Wind Chill Advisory 1, NWS Indianapolis, IN
NWS Indianapolis, IN issued this wind chill advisory at Jan 21, 2011, 4:16 AM EST for 21 counties in Indiana. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jan 21, 2011, 4:16 AM EST (09:16 UTC)
- Expired
- Jan 21, 2011, 10:00 AM EST
- In force
- 6 hr
- Issued by
- NWS Indianapolis, IN
All 21 counties
Boone County, IN, Carroll County, IN, Clinton County, IN, Delaware County, IN, Fountain County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Madison County, IN, Marion County, IN, Montgomery County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Warren County, IN
The radar
The Indianapolis radar (KIND), 41 km from the middle of the area, began a volume at 09:22 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, 9.3 hours before the alert went out and 193 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
- 863 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- -51 m²/s²
- 0-3 km storm-relative helicity
- -27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
338 WWUS43 KIND 210916 WSWIND URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE INDIANAPOLIS IN 416 AM EST FRI JAN 21 2011 ...WIND CHILL ADVISORY IS IN EFFECT UNTIL 10 AM EST THIS MORNING... .ARCTIC AIR WILL SETTLE ACROSS CENTRAL INDIANA THIS MORNING WITH TEMPS FALLING CLOSE TO ZERO. BREEZY NORTHWEST WINDS WILL RESULT IN WINDCHILLS AS LOW AS 15 BELOW. INZ021-028>031-035>049-057-211500- /O.NEW.KIND.WC.Y.0001.110121T0916Z-110121T1500Z/ CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE- PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-RUSH- INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO... CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS 416 AM EST FRI JAN 21 2011 ...WIND CHILL ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING... THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EST THIS MORNING. .ARCTIC AIR WILL SETTLE ACROSS CENTRAL INDIANA THIS MORNING WITH TEMPS FALLING CLOSE TO ZERO. BREEZY NORTHWEST WINDS WILL RESULT IN WINDCHILLS AS LOW AS 15 BELOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ 77/TDUD
1 follow-up statement
579 WWUS43 KIND 211456 WSWIND URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE INDIANAPOLIS IN 956 AM EST FRI JAN 21 2011 INZ021-028>031-035>049-057-211600- /O.EXP.KIND.WC.Y.0001.000000T0000Z-110121T1500Z/ CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE- PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-RUSH- INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO... CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS 956 AM EST FRI JAN 21 2011 ...WIND CHILL ADVISORY WILL EXPIRE AT 10 AM EST THIS MORNING... THE WIND CHILL ADVISORY WILL EXPIRE AT 10 AM EST THIS MORNING. HOWEVER DANGEROUSLY COLD TEMPERATURES WILL CONTINUE FOR THIS AFTERNOON AND EVENING. ARCTIC AIR COMBINED WITH NORTHWEST WINDS OF AROUND 10 MPH WILL RESULT IN WIND CHILLS AS LOW AS ZERO TO 10 BELOW ZERO. THIS VERY COLD AIR MAY RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ SMF
What forecasters said that day
The local office's own words before this wind chill advisory 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 wind chill advisory went out at Jan 21, 4:00 AM EST, 16 minutes earlier.
Area forecast discussion, Jan 21, 4:00 AM EST, 16 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 400 AM EST FRI JAN 21 2011 .UPDATE... THE SYNOPSIS...NEAR TERM AND SHORT TERM SECTIONS HAVE BEEN UPDATED BELOW && .SYNOPSIS... COLD WEATHER WILL BE THE NORM FOR THE NEXT FEW DAYS...ALONG WITH A FEW DISTURBANCES. THE FIRST SYSTEM WILL MOVE THROUGH ON FRIDAY NIGHT/SAT MORNING...BUT NOT IS EXPECTED TO PRODUCE MUCH IN THE WAY OF ACCUMULATION. HOWEVER...THE SECOND SYSTEM WILL MOVE IN AT THE BEGINNING OF THE WORK WEEK AND COULD DROP A FEW INCHES OF SNOW. && .NEAR TERM /EARLY MORNING AND TODAY/... BITTER COLD TEMPERATURES ARE OVERTAKING CENTRAL INDIANA AS SKIES CONTINUE TO CLEAR OUT. IN ADDITION...WIND GUSTS UP TO 20 MPH WILL PERSIST THROUGH DAYBREAK RESULTING IN WINDCHILLS BELOW ZERO. OTHERWISE...CONDITIONS WILL BE CALM TODAY WITH PARTLY CLOUDY SKIES AND HIGHS ONLY IN THE LOW TO MID TEENS. CURRENTLY...TEMPS ARE IN THE SINGLE DIGITS ACROSS THE FORECAST AREA WITH NORTHWEST WINDS AROUND 10 TO 15 MPH. && .SHORT TERM /TONIGHT THROUGH MONDAY/... THE MAIN FOCUS IS TONIGHT/S SYSTEM AND MONDAY/S SYSTEM. FIRST...NAM/EURO/GFS ARE IN AGREEMENT IN REGARD TO TONIGHT/S DISTURBANCE. THE BULK OF THE PRECIP SHOULD FALL DURING THE SAT 06-18Z TIME FRAME. HOWEVER...AS MENTIONED ABOVE...DO NOT EXPECT MUCH ACCUMULATION. FORCING IS MINIMAL AS STRONGEST VORT MAX REMAINS WELL NORTH OF FORECAST AREA...OVER THE GREAT LAKES. THE SECOND SYSTEM LOOKS A BIT MORE IMPRESSIVE. A WEAK WAVE IN THE UPPER LEVELS WILL MOVE THROUGH ON SUNDAY NIGHT AHEAD OF THE CUT- OFF LOW EXPECTED ON MONDAY. WILL NEED TO MONITOR THIS WAVE IN CASE OF SOME LIGHT SNOW AHEAD OF THE MAIN LOW. SOME UNCERTAINTY IN HOW MUCH OF AN IMPACT THE LOW WILL HAVE ON FORECAST AREA. SO FAR... GFS/EURO INDICATE THAT IT COULD PRODUCE SOME SNOWFALL ON MONDAY MORNING/AFTERNOON. HOWEVER...THEY QUICKLY DROP THE LOW SOUTH INTO THE TENNESSEE VALLEY BY MONDAY EVENING. SO...IF FUTURE MODEL RUNS BRING IT SOUTH EVEN SOONER...SNOWFALL POSSIBILITIES ACROSS CENTRAL INDIANA WILL BE MINIMAL. TEMPS...MODELS IN GOOD AGREEMENT...WENT WITH BLEND. COLD TEMPS EXPECTED THROUGH FRIDAY NIGHT...AND THEN A SLIGHT WARMING TREND AT THE START OF THE WEEKEND. && .LONG TERM /MONDAY NIGHT THROUGH THURSDAY/... THE SECOND SYSTEM IS EXPECTED TO EXIT LATE TUESDAY OR EARLY WEDNESDAY WITH COLD HIGH PRESSURE TO FOLLOW BEFORE NEXT WEATHER SYSTEM AROUND THURSDAY. USED BLEND OF MODEL AND MOS TEMP GUIDANCE WITH BELOW NORMAL TEMPS CONTINUING THROUGH ENTIRE FORECAST. && .AVIATION.../DISCUSSION FOR 210600Z TAFS/... VFR CONDITIONS WILL CONTINUE TONIGHT EXCEPT FOR PERHAPS MVFR VISIBILITIES IN BLOWING SNOW AS NORTHWEST WINDS AROUND 15 KNOTS COULD GUST TO 22 KNOTS BEFORE 10Z. AFTER THAT...THE CENTER OF ARCTIC HIGH PRESSURE WILL MOVE TO SOUTHWESTERN INDIANA LATE TOMORROW AFTERNOON RESULTING IN A DECREASING PRESSURE GRADIENT WHICH SHOULD PUT AN END TO THE WIND GUSTS AND BLOWING SNOW. HIGH AND MID CLOUDS WILL BE INCREASING THROUGH THE DAYLIGHT HOURS AND INTO THIS EVENING AS A CLIPPER SYSTEM APPROACHES FROM THE NORTHWEST. COULD ALSO SEE SOME SNOW SHOWERS TOWARD THE END OF THE TAF PERIOD...BUT WILL LEAVE OUT FOR NOW DUE ONLY CHANCE POPS AND BEING THAT FAR OUT IN THE FORECAST. THE EXCEPTION WILL BE AT IND...WHERE LOW LEVEL CLOUDS AND SNOW SHOWERS COULD MOVE IN AFTER THE 24 HOUR FORECAST. && .IND WATCHES/WARNINGS/ADVISORIES... WINTER WEATHER ADVISORY UNTIL 4 AM EST EARLY THIS MORNING FOR INZ021-028>031-035>049-051>057-060>065-067>072. && SYNOPSIS...TDUD NEAR TERM...TDUD SHORT TERM...TDUD LONG TERM....TUCEK/TDUD AVIATION...MK
Hazardous weather outlook, Jan 20, 9:10 PM EST, 7 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 910 PM EST THU JAN 20 2011 INZ021-028>031-035>049-051>057-060>065-067>072-220215- 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- 910 PM EST THU JAN 20 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 900 AM EST... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...TONIGHT. ACCUMULATING SNOW HAS ENDED. INCREASING WINDS WILL CAUSE SOME BLOWING AND DRIFTING SNOW AND DROP WIND CHILLS TO AROUND 10 BELOW ZERO BY SUNRISE FRIDAY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY. BELOW ZERO WIND CHILLS ARE EXPECTED AT TIMES FROM FRIDAY INTO SATURDAY MORNING. LIGHT SNOW WILL BE POSSIBLE FRIDAY NIGHT AND EARLY SATURDAY...AGAIN MONDAY INTO TUESDAY NIGHT...THEN AGAIN THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL TOTALS TONIGHT. && MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL LOWERCASE) NIELD
Nearby
Wind Chill Advisories in Indiana, 2011Every wind chill advisory 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.