Alert archive / Indiana / Special Weather Statements in 2017

Special Weather Statement, NWS Indianapolis, IN

March 7, 20174 counties in Indiana

NWS Indianapolis, IN issued this special weather statement at Mar 7, 2017, 2:57 AM EST for 4 counties in Indiana. It was in force for 63 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: Mar 7, 2017, 2:57 AM EST (07:57 UTC)
Expired: Mar 7, 2017, 4:00 AM EST
In force: 63 min
Issued by: NWS Indianapolis, IN

Counties Fountain County, IN, Tippecanoe County, IN, Vermillion County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 100 km from the middle of the area, began a volume at 07:56 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, 8.0 hours before the alert went out and 138 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: 4 J/kg
Mixed-layer CIN: -285 J/kg
Mixed-layer LCL: 651 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 475 m²/s²
0-3 km storm-relative helicity: 484 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Mar 7, 1:50 AM EST, 1 hour 7 minutes earlier.

Area forecast discussion, Mar 7, 1:50 AM EST, 1 hour 7 minutes before

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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Hazardous weather outlook, Mar 6, 5:56 PM EST, 9 hours 1 minute before

Hazardous Weather Outlook
National Weather Service Indianapolis IN
556 PM EST Mon Mar 6 2017

INZ021-028>031-035>049-051>057-060>065-067>072-071100-
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, and Seymour
556 PM EST Mon Mar 6 2017

This hazardous weather outlook is for central Indiana.

.DAY ONE...Tonight.

Outlook: Thunderstorm activity is possible late tonight. Some storms
may contain gusty winds.

Hazards: Cloud to ground Lightning. Gusty winds.

Timing: Thunderstorm activity after 100 am.

Discussion: A low pressure system will move into the area tonight and
bring rain, with embedded thunderstorms possible late tonight. Some
storms after midnight may contain gusty winds.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Outlook: There is a chance for thunderstorms Tuesday morning across
central and eastern parts of the area. Accumulating snows are
possible towards the end of the week, around Friday night through
Saturday night.

Discussion: A cold front moving through the area on Tuesday will
bring an end to thunderstorm chances from west to east during the
morning on Tuesday. Lightning and gusty winds will be the main
threats from these storms. Another low pressure system may affect the
area towards the end of the week, with the potential for accumulating
snow.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

In the hours before

Special weather statement, Mar 7, 12:58 AM EST, 1 hour 59 minutes before

Special Weather Statement
National Weather Service Indianapolis IN
1258 AM EST Tue Mar 7 2017

INZ021-028>031-035>049-051>057-060>065-067>072-071030-
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,
and Seymour
1258 AM EST Tue Mar 7 2017

...Gusty winds through the overnight hours...

Wind gusts of 35 to 45 mph can be expected over the next several
hours out of the south, with a strengthening low level jet mixing
some higher winds down well ahead of a cold front approaching
from the west. Other higher wind gusts may also occur with any
thunderstorms that move through the area tonight as well. High
profile vehicles may experience travel difficulties, and unsecured
outdoor objects may be blown about.

Special weather statement, Mar 7, 2:41 AM EST, 16 minutes before

Special Weather Statement
National Weather Service Indianapolis IN
241 AM EST TUE MAR 7 2017

INZ036-044-045-051>053-060-061-070830-
Owen IN-Clay IN-Montgomery IN-Putnam IN-Parke IN-Greene IN-Vigo IN-
Sullivan IN-
241 AM EST TUE MAR 7 2017

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN VIGO...EASTERN
SULLIVAN...CLAY...EASTERN PARKE...WESTERN OWEN...NORTHWESTERN
GREENE...SOUTHERN MONTGOMERY AND PUTNAM COUNTIES UNTIL 330 AM EST...

At 240 AM EST, Doppler radar was tracking strong thunderstorms along
a line extending from near Rockville to 6 miles southwest of Brazil
to near Sullivan. Movement was northeast at 55 mph.

Dime size hail and wind gusts of 50 to 55 mph will be possible with
these storms.

Locations impacted include...
Crawfordsville, Greencastle, Brazil, Rockville, Jasonville,
Cloverdale, Seelyville, Ladoga, Roachdale, Dugger, Knightsville, Clay
City, Hymera, Bainbridge, Rosedale, Carlisle, Harmony, New Market,
Staunton and Fillmore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3944 8727 3983 8728 4011 8676 3970 8674
      3919 8687 3895 8740
TIME...MOT...LOC 0740Z 238DEG 50KT 3980 8722 3947 8722 3905 8732

Ryan

Special weather statement, Mar 7, 2:57 AM EST, 0 minutes before

Special Weather Statement
National Weather Service Indianapolis IN
257 AM EST TUE MAR 7 2017

INZ021-028-029-035-036-043-044-070900-
Montgomery IN-Fountain IN-Parke IN-Warren IN-Vermillion IN-
Tippecanoe IN-Carroll IN-
257 AM EST TUE MAR 7 2017

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN CARROLL...FOUNTAIN...
TIPPECANOE...NORTHWESTERN PARKE...WARREN...VERMILLION AND
NORTHWESTERN MONTGOMERY COUNTIES UNTIL 400 AM EST...

At 256 AM EST, Doppler radar was tracking strong thunderstorms along
a line extending from near Sheldon to near Potomac to near Arthur.
Movement was east at 50 mph.

Wind gusts of 50 to 55 mph will be possible with these storms.

Locations impacted include...
Lafayette, West Lafayette, Delphi, Covington, Veedersburg,
Williamsport, Newport, Attica, Shadeland, Dayton, Battle Ground,
Cayuga, Montezuma, Waynetown, Linden, West Lebanon, Dana, Hillsboro,
Kingman and Perrysville.

LAT...LON 4074 8659 4032 8675 3974 8741 3974 8753
      4048 8753 4048 8709 4056 8709 4056 8677
      4073 8675
TIME...MOT...LOC 0756Z 264DEG 46KT 4073 8764 4032 8788 3975 8848

Ryan

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 7, 2:41 AM EST	Special Weather Statement	IND	Clay, Owen, Parke, Putnam	49 min
Mar 7, 3:43 AM EST	Special Weather Statement	IND	Clay, Parke, Putnam, Sullivan, Vermillion, Vigo	47 min
Mar 7, 3:49 AM EST	Severe Thunderstorm Warning	IND	Carroll, Clinton, Fountain, Tippecanoe	41 min
Mar 7, 3:53 AM EST	Special Weather Statement	IND	Fountain, Montgomery	37 min
Mar 7, 4:19 AM EST	Special Weather Statement	IND	Clay, Daviess, Greene, Knox, Morgan, Owen and 1 more	41 min
Mar 7, 4:23 AM EST	Special Weather Statement	IND	Boone, Clinton, Hendricks, Howard, Montgomery, Putnam and 1 more	52 min
Mar 7, 4:46 AM EST	Severe Thunderstorm Warning	IND	Howard, Tipton	14 min
Mar 7, 4:54 AM EST	Special Weather Statement	IND	Brown, Daviess, Johnson, Lawrence, Martin, Monroe and 1 more	66 min
Mar 7, 5:05 AM EST	Special Weather Statement	IND	Hamilton, Hancock, Hendricks, Madison, Marion, Tipton	55 min
Mar 7, 5:31 AM EST	Special Weather Statement	IND	Jackson, Lawrence, Martin	44 min
Mar 7, 12:20 PM EST	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	4 days
Mar 7, 3:42 PM EST	Wind Advisory	IND	Boone, Carroll, Clinton, Delaware, Fountain, Hamilton and 14 more	27 hr

Nearby

Special Weather Statements in Indiana, 2017 Every special weather statement in 2017

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.