Alert archive / Indiana / Special Weather Statements in 2012

Special Weather Statement, NWS Indianapolis, IN

January 17, 2012Howard County, Indiana

NWS Indianapolis, IN issued this special weather statement at Jan 17, 2012, 4:41 AM EST for Howard County, Indiana. It was in force for 34 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: Jan 17, 2012, 4:41 AM EST (09:41 UTC)
Expired: Jan 17, 2012, 5:15 AM EST
In force: 34 min
Issued by: NWS Indianapolis, IN

County Howard County, IN

The radar

The Indianapolis radar (KIND), 91 km from the middle of the area, began a volume at 09:40 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, 9.7 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 431 m²/s²
0-3 km storm-relative helicity: 500 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Indianapolis, IN wrote its last area forecast discussion before this special weather statement went out at Jan 17, 4:01 AM EST, 40 minutes earlier.

Area forecast discussion, Jan 17, 4:01 AM EST, 40 minutes before

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Hazardous weather outlook, Jan 17, 4:34 AM EST, 7 minutes before

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In the hours before

Special weather statement, Jan 17, 3:53 AM EST, 48 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
353 AM EST TUE JAN 17 2012

INZ021-028>030-035-170945-
CARROLL-CLINTON-FOUNTAIN-TIPPECANOE-WARREN-
353 AM EST TUE JAN 17 2012

...STRONG THUNDERSTORM ADVISORY FOR NORTHWESTERN CLINTON...CARROLL...
NORTHEASTERN FOUNTAIN...TIPPECANOE AND NORTHEASTERN WARREN COUNTIES
UNTIL 445 AM EST...

AT 351 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 9 MILES SOUTHWEST OF WEST LAFAYETTE...OR 11 MILES
WEST OF LAFAYETTE...MOVING EAST AT 55 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  LAFAYETTE...
  WEST LAFAYETTE...
  DELPHI...
  SHADELAND...
  PURDUE UNIVERSITY...
  BATTLE GROUND...
  DAYTON...
  MULBERRY...
  ROSSVILLE...
  FLORA...
  CAMDEN...
  BURLINGTON...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

&&

LAT...LON 4038 8638 4024 8727 4044 8723 4069 8639
TIME...MOT...LOC 0853Z 254DEG 50KT 4038 8703

NIELD

Local storm report, Jan 17, 4:05 AM EST, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
405 AM EST TUE JAN 17 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0357 AM     HAIL             4 W WEST LAFAYETTE      40.44N 86.99W
01/17/2012  E0.25 INCH       TIPPECANOE         IN   TRAINED SPOTTER

            DOWNPOUR OF PEA SIZE HAIL LASTED A FEW MINUTES AND
            PARTIALLY COVERED THE GROUND.

&&

NIELD

Local storm report, Jan 17, 4:12 AM EST, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
412 AM EST TUE JAN 17 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0404 AM     TSTM WND GST     LAFAYETTE               40.41N 86.87W
01/17/2012  M39 MPH          TIPPECANOE         IN   ASOS

&&

SMFLECHT

Special weather statement, Jan 17, 4:41 AM EST, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
441 AM EST TUE JAN 17 2012

INZ031-171015-
HOWARD-
441 AM EST TUE JAN 17 2012

...STRONG THUNDERSTORM ADVISORY FOR HOWARD COUNTY UNTIL 515 AM EST...

AT 436 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 11 MILES WEST OF KOKOMO...MOVING EAST AT 45 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  KOKOMO...
  GREENTOWN...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

&&

LAT...LON 4057 8586 4046 8586 4043 8637 4054 8638
      4054 8637 4056 8637
TIME...MOT...LOC 0941Z 254DEG 40KT 4052 8627

NIELD

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 17, 3:53 AM EST	Special Weather Statement	IND	Carroll, Tippecanoe	52 min
Jan 17, 5:55 AM EST	Special Weather Statement	IND	Greene, Owen, Sullivan	65 min
Jan 17, 6:10 AM EST	Severe Thunderstorm Warning	IND	Hendricks, Johnson, Marion, Morgan	35 min
Jan 17, 6:13 AM EST	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Greene, Lawrence, Monroe, Owen and 1 more	62 min
Jan 17, 6:20 AM EST	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Marion	25 min
Jan 17, 6:29 AM EST	Severe Thunderstorm Warning	IND	Hancock, Henry, Madison	31 min
Jan 17, 6:37 AM EST	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox, Sullivan	68 min
Jan 17, 7:06 AM EST	Tornado Warning	IND	Daviess, Knox	24 min
Jan 17, 7:18 AM EST	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings	42 min
Jan 17, 7:21 AM EST	Areal Flood Advisory	IND	Decatur, Delaware, Hamilton, Hancock, Henry, Johnson and 6 more	3 hr
Jan 17, 7:23 AM EST	Areal Flood Advisory	IND	Bartholomew, Brown, Daviess, Decatur, Greene, Jackson and 5 more	4 hr
Jan 17, 7:27 AM EST	Tornado Warning	IND	Daviess, Greene, Lawrence, Martin	48 min
Jan 17, 8:11 AM EST	Tornado Warning	IND	Jackson, Lawrence	49 min
Jan 17, 8:39 AM EST	Severe Thunderstorm Warning	IND	Jennings	21 min
Jan 17, 8:42 AM EST	Severe Thunderstorm Warning	IND	Daviess, Knox	48 min
Jan 17, 9:00 AM EST	Special Weather Statement	IND	Jennings	30 min
Jan 17, 9:11 AM EST	Severe Thunderstorm Warning	IND	Martin	34 min
Jan 17, 9:24 AM EST	Severe Thunderstorm Warning	IND	Lawrence	36 min
Jan 17, 10:05 AM EST	River Flood Warning	IND	Jackson, Lawrence, Washington	4 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Parke, Vermillion, Vigo	51 hr
Jan 17, 10:05 AM EST	River Flood Warning	IND	Sullivan, Vigo	19 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Knox, Sullivan	23 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Knox, Sullivan	23 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Gibson, Knox, Posey	21 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Daviess, Greene, Knox	14 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Daviess, Greene, Knox	4 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	16 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	19 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Gibson, Knox	20 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Fountain, Parke, Tippecanoe, Vermillion, Warren	16 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Fountain, Parke, Vermillion, Warren	16 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Parke, Vermillion, Vigo	18 days
Jan 17, 12:25 PM EST	Areal Flood Advisory	IND	Bartholomew, Brown, Daviess, Decatur, Greene, Jackson and 7 more	6 hr
Jan 17, 6:31 PM EST	Areal Flood Advisory	IND	Bartholomew, Brown, Decatur, Jackson, Jennings, Rush and 1 more	4 hr

Nearby

Special Weather Statements in Indiana, 2012 Every special weather statement 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.