Alert archive / Indiana / Flash Flood Watches in 2010

Flash Flood Watch 2, NWS Indianapolis, IN

June 2, 201027 counties in Indiana

NWS Indianapolis, IN issued this flash flood watch at Jun 2, 2010, 2:52 AM EDT for 27 counties in Indiana. It took effect at Jun 2, 2010, 5:00 AM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jun 2, 2010, 2:52 AM EDT (06:52 UTC)
In effect from: Jun 2, 2010, 5:00 AM EDT
Expired: Jun 2, 2010, 11:47 AM EDT
In force: 7 hr
Issued by: NWS Indianapolis, IN
Flood severity: None

All 27 counties

Boone County, IN, Carroll County, IN, Clay 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, Johnson County, IN, Madison County, IN, Marion County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 27 km from the middle of the area, began a volume at 06:55 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, 6.9 hours before the alert went out and 189 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: 1206 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1668 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 159 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 4.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Jun 2, 1:00 AM EDT, 1 hour 52 minutes earlier.

Area forecast discussion, Jun 2, 1:00 AM EDT, 1 hour 52 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, Jun 1, 10:27 PM EDT, 4 hours 25 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>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 4:34 AM EDT	Severe Thunderstorm Warning	IND	Carroll, Clay, Clinton, Fountain, Montgomery, Parke and 6 more	86 min
Jun 2, 5:50 AM EDT	Severe Thunderstorm Warning	IND	Boone, Carroll, Clinton, Hamilton, Hendricks, Howard and 6 more	55 min
Jun 2, 5:53 AM EDT	Severe Thunderstorm Warning	IND	Clay, Daviess, Greene, Knox, Martin, Monroe and 5 more	67 min
Jun 2, 6:42 AM EDT	Special Weather Statement	IND	Hamilton, Hendricks, Howard, Madison, Marion, Tipton	63 min
Jun 2, 6:49 AM EDT	Special Weather Statement	IND	Brown, Daviess, Greene, Johnson, Lawrence, Martin and 4 more	41 min
Jun 2, 11:55 AM EDT	Flash Flood Watch	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	21 hr
Jun 2, 5:08 PM EDT	Special Weather Statement	IND	Bartholomew, Brown	37 min
Jun 2, 5:38 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Jennings	37 min
Jun 2, 6:04 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Jackson, Jennings	26 min
Jun 2, 6:15 PM EDT	Tornado Warning	IND	Bartholomew, Jackson, Jennings	30 min
Jun 2, 6:42 PM EDT	Severe Thunderstorm Warning	IND	Jennings	18 min

Nearby

Flash Flood Watches in Indiana, 2010 Every flash flood watch in 2010

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.