Alert archive / Indiana / Special Weather Statements in 2013

Special Weather Statement, NWS Indianapolis, IN

July 20, 2013Johnson County, Shelby County, Indiana

NWS Indianapolis, IN issued this special weather statement at Jul 20, 2013, 1:26 PM EDT for Johnson County, Shelby County, Indiana. It was in force for 49 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: Jul 20, 2013, 1:26 PM EDT (17:26 UTC)
Expired: Jul 20, 2013, 2:15 PM EDT
In force: 49 min
Issued by: NWS Indianapolis, IN

Counties Johnson County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 55 km from the middle of the area, began a volume at 17:28 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.4 hours before the alert went out and 169 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: 1768 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 683 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

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 Jul 20, 1:11 PM EDT, 15 minutes earlier.

Area forecast discussion, Jul 20, 1:11 PM EDT, 15 minutes before

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Hazardous weather outlook, Jul 20, 5:17 AM EDT, 8 hours 9 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
517 AM EDT SAT JUL 20 2013

INZ021-028>031-035>049-051>057-060>065-067>072-210930-
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-
517 AM EDT SAT JUL 20 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TODAY AND TONIGHT.

OUTLOOK: CHANCE OF THUNDERSTORMS.

HAZARDS: GUSTY WINDS...BRIEF HEAVY DOWNPOURS...SMALL HAIL...LIGHTNING.

TIMING: MAINLY THIS MORNING AND AFTERNOON.

DISCUSSION: THUNDERSTORMS MAY OCCUR AS A COLD FRONT MOVES THROUGH THE
AREA. AN ISOLATED STRONG STORM CANNOT BE RULED OUT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

OUTLOOK: THUNDERSTORM CHANCES WILL INCREASE AGAIN ON SUNDAY NIGHT
AND REMAIN POSSIBLE AT TIMES THROUGH WEDNESDAY.

DISCUSSION: STORM CHANCES WILL REMAIN ACROSS THE AREA INTO THE
MIDDLE OF NEXT WEEK AS SEVERAL UPPER LEVEL DISTURBANCES TRAVERSE
THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME...ALTHOUGH
SPOTTERS ARE ENCOURAGED TO REPORT ANY STRONG OR DAMAGING WIND
GUSTS...HAIL...OR OBSERVED FLOODING WITH STORMS OVER THE NEXT
FEW DAYS.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL
LOWERCASE)

In the hours before

Special weather statement, Jul 20, 8:31 AM EDT, 4 hours 55 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
831 AM EDT SAT JUL 20 2013

INZ028-029-035-036-201300-
FOUNTAIN-MONTGOMERY-TIPPECANOE-WARREN-
831 AM EDT SAT JUL 20 2013

...STRONG THUNDERSTORM ADVISORY FOR NORTHERN FOUNTAIN...NORTHWESTERN
MONTGOMERY...SOUTHWESTERN TIPPECANOE AND SOUTHERN WARREN COUNTIES
UNTIL 900 AM EDT...

AT 828 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR WILLIAMSPORT...OR 17 MILES NORTHEAST OF
DANVILLE...MOVING EAST AT 30 MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  WILLIAMSPORT...
  VEEDERSBURG...
  ATTICA...
  NEWTOWN...
  MELLOTT...
  HILLSBORO...
  WINGATE...
  WAYNETOWN...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

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 4039 8752 4038 8700 4007 8701 4011 8741
      4013 8741 4013 8749 4015 8749 4015 8753
TIME...MOT...LOC 1231Z 281DEG 24KT 4030 8735

CP

Special weather statement, Jul 20, 10:28 AM EDT, 2 hours 58 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1028 AM EDT SAT JUL 20 2013

INZ041-042-201500-
DELAWARE-RANDOLPH-
1028 AM EDT SAT JUL 20 2013

...STRONG THUNDERSTORM ADVISORY FOR EASTERN DELAWARE AND RANDOLPH
COUNTIES UNTIL 1100 AM EDT...

AT 1023 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 7 MILES NORTHEAST OF MUNCIE...MOVING EAST AT 35
MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  WINCHESTER...
  PARKER CITY...
  FARMLAND...
  RIDGEVILLE...
  SARATOGA...
  UNION CITY...
  SALEM...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

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 4015 8539 4038 8536 4038 8522 4031 8521
      4032 8480 4006 8481
TIME...MOT...LOC 1428Z 278DEG 31KT 4027 8523

CP

Special weather statement, Jul 20, 11:43 AM EDT, 1 hour 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1143 AM EDT SAT JUL 20 2013

INZ045>047-054-055-201630-
HENDRICKS-JOHNSON-MARION-MORGAN-PUTNAM-
1143 AM EDT SAT JUL 20 2013

...STRONG THUNDERSTORM ADVISORY FOR HENDRICKS...NORTHWESTERN
JOHNSON...MARION...NORTHERN MORGAN AND EASTERN PUTNAM COUNTIES UNTIL
1230 PM EDT...

AT 1140 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 9 MILES NORTHWEST OF
BROWNSBURG TO 6 MILES NORTHWEST OF DANVILLE TO 6 MILES EAST OF
GREENCASTLE...AND MOVING EAST AT 30 MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.

LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...
  INDIANAPOLIS...
  DANVILLE...
  BROWNSBURG...
  PLAINFIELD...
  SPEEDWAY...
  MOORESVILLE...
  BEECH GROVE...
  SOUTHPORT...
  LAWRENCE...
  COATESVILLE...
  PITTSBORO...
  STILESVILLE...
  CLAYTON...
  AVON...
  EAGLE CREEK RESERVOIR...
  CLERMONT...
  MONROVIA...
  LAKE HART...
  INDIANAPOLIS INT'L AIRPORT...

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY.

&&

LAT...LON 3992 8660 3993 8644 3988 8594 3970 8607
      3949 8619 3961 8682
TIME...MOT...LOC 1543Z 283DEG 24KT 3990 8652 3979 8659
          3965 8671

SMF

Special weather statement, Jul 20, 12:30 PM EDT, 56 minutes before

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Special weather statement, Jul 20, 12:48 PM EDT, 38 minutes before

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Special weather statement, Jul 20, 1:26 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 20, 8:06 AM EDT	Special Weather Statement	IND	Warren	24 min
Jul 20, 8:31 AM EDT	Special Weather Statement	IND	Fountain, Warren	29 min
Jul 20, 10:28 AM EDT	Special Weather Statement	IND	Randolph	32 min
Jul 20, 11:43 AM EDT	Special Weather Statement	IND	Hendricks, Marion	47 min
Jul 20, 12:30 PM EDT	Special Weather Statement	IND	Johnson, Shelby	45 min
Jul 20, 12:48 PM EDT	Special Weather Statement	IND	Morgan, Owen	42 min
Jul 20, 1:32 PM EDT	Special Weather Statement	IND	Brown, Monroe, Owen	43 min
Jul 20, 1:37 PM EDT	Special Weather Statement	IND	Greene, Sullivan	38 min
Jul 20, 1:57 PM EDT	Areal Flood Advisory	IND	Brown, Clay, Greene, Monroe, Morgan, Owen	6 hr
Jul 20, 2:11 PM EDT	Special Weather Statement	IND	Bartholomew, Decatur, Jennings	49 min
Jul 20, 2:16 PM EDT	Special Weather Statement	IND	Brown, Greene, Monroe	59 min
Jul 20, 2:46 PM EDT	Flash Flood Warning	IND	Clay, Greene, Monroe, Owen	6 hr
Jul 20, 2:51 PM EDT	Special Weather Statement	IND	Lawrence	39 min
Jul 20, 3:23 PM EDT	Flash Flood Warning	IND	Greene	6 hr
Jul 20, 3:36 PM EDT	Flash Flood Warning	IND	Sullivan	6 hr

Nearby

Special Weather Statements in Indiana, 2013 Every special weather statement in 2013

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.