Alert archive / Indiana / Special Weather Statements in 2017
Special Weather Statement, NWS Indianapolis, IN
NWS Indianapolis, IN issued this special weather statement at Aug 28, 2017, 11:54 PM EDT for Marion County, Indiana. It was in force for 51 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
- Aug 28, 2017, 11:54 PM EDT (03:54 UTC)
- Expired
- Aug 29, 2017, 12:45 AM EDT
- In force
- 51 min
- Issued by
- NWS Indianapolis, IN
County Marion County, IN
The radar
The Indianapolis radar (KIND), 8 km from the middle of the area, began a volume at 03:59 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 00:00Z, 3.9 hours before the alert went out and 207 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
- 204 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 830 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
<!doctype html>
<html lang="en">
<head>
<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>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>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 Aug 28, 10:15 PM EDT, 1 hour 39 minutes earlier.
Area forecast discussion, Aug 28, 10:15 PM EDT, 1 hour 39 minutes before
<!doctype html>
<html lang="en">
<head>
<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>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Aug 28, 4:29 PM EDT, 7 hours 25 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Indianapolis IN 429 PM EDT Mon Aug 28 2017 INZ021-028>031-035>049-051>057-060>065-067>072-292030- 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 429 PM EDT Mon Aug 28 2017 This hazardous weather outlook is for central Indiana. .DAY ONE...Tonight. Outlook: Scattered showers and thunderstorms are expected. Hazards: Lightning...brief heavy rainfall...small hail and gusty winds. Timing: Any time. Discussion: Scattered showers and thunderstorms will form as an upper level low dives into the region from the northwest. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Outlook: Scattered thunderstorms are possible across central Indiana on Tuesday. Isolated thunderstorms are possible Friday through Saturday night. Severe weather is not expected at this time. However, any thunderstorm is capable of producing cloud to ground lightning, brief heavy rain and gusty winds. Discussion: Scattered showers and thunderstorms will continue on Tuesday as an upper level wave moves slowly through the region. Additional frontal boundaries may spark showers and isolated thunderstorms from Friday through Saturday night. .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, Aug 28, 9:55 PM EDT, 1 hour 59 minutes before
<!doctype html>
<html lang="en">
<head>
<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>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Aug 28, 11:54 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
1154 PM EDT MON AUG 28 2017
INZ047-290445-
Marion IN-
1154 PM EDT MON AUG 28 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN MARION COUNTY UNTIL 1245
AM EDT...
At 1153 PM EDT, Doppler radar was tracking a strong thunderstorm near
Speedway, or 7 miles southwest of Indianapolis, moving east at 15
mph.
Wind gusts up to 50 mph will be possible with this storm.
Locations impacted include...
Indianapolis, Greenwood, Beech Grove, Speedway, Southport, Warren
Park, Clermont, Homecroft, Indianapolis Int'l Airport, Monument
Circle and Camby.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3964 8602 3963 8623 3963 8631 3980 8633
3982 8633 3983 8603
TIME...MOT...LOC 0353Z 268DEG 12KT 3972 8625
RyanThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 8:40 PM EDT | Areal Flood Advisory | IND | Fountain, Vermillion, Warren | 4 hr |
| Aug 28, 9:55 PM EDT | Special Weather Statement | IND | Jennings | 35 min |
| Aug 28, 11:49 PM EDT | Areal Flood Advisory | IND | Henry, Rush | 3 hr |
| Aug 29, 12:15 AM EDT | Areal Flood Advisory | IND | Marion | 3 hr |
| Aug 29, 12:45 AM EDT | Special Weather Statement | IND | Shelby | 45 min |
| Aug 29, 1:13 AM EDT | Flash Flood Warning | IND | Henry, Rush | 3 hr |
| Aug 29, 1:50 AM EDT | Special Weather Statement | IND | Shelby | 25 min |
| Aug 29, 2:24 AM EDT | Special Weather Statement | IND | Rush | 36 min |
| Aug 29, 3:32 AM EDT | Areal Flood Advisory | IND | Randolph | 3 hr |
| Aug 29, 3:35 AM EDT | Areal Flood Advisory | IND | Decatur, Rush | 3 hr |
Nearby
Special Weather Statements in Indiana, 2017Every 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.