Alert archive / Maine / Flash Flood Watches in 2013

Flash Flood Watch 2, NWS Caribou, ME

July 19, 20134 counties in Maine

NWS Caribou, ME issued this flash flood watch at Jul 19, 2013, 4:10 AM EDT for 4 counties in Maine. It took effect at Jul 19, 2013, 10:00 AM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Jul 19, 2013, 4:10 AM EDT (08:10 UTC)
In effect from: Jul 19, 2013, 10:00 AM EDT
Expired: Jul 19, 2013, 8:35 PM EDT
In force: 11 hr
Issued by: NWS Caribou, ME
Flood severity: None

Counties Aroostook County, ME, Penobscot County, ME, Piscataquis County, ME, Somerset County, ME

The radar

The Caribou radar (KCBW), 104 km from the middle of the area, began a volume at 08:11 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

Gray, ME (KGYX), launched 00:00Z, 8.2 hours before the alert went out and 236 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: 148 J/kg
Mixed-layer CIN: -211 J/kg
Mixed-layer LCL: 1025 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 205 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Caribou, ME wrote its last area forecast discussion before this flash flood watch went out at Jul 19, 3:57 AM EDT, 13 minutes earlier.

Area forecast discussion, Jul 19, 3:57 AM EDT, 13 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, Jul 19, 4:04 AM EDT, 6 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 Caribou, ME issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 19, 3:51 AM EDT	Small Craft Advisory	CAR		12 hr
Jul 19, 8:57 AM EDT	Special Weather Statement	CAR	Aroostook, Piscataquis	78 min
Jul 19, 1:47 PM EDT	Severe Thunderstorm Warning	CAR	Penobscot, Piscataquis, Somerset	43 min
Jul 19, 2:31 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Penobscot, Piscataquis	44 min
Jul 19, 3:20 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Penobscot, Piscataquis	25 min
Jul 19, 3:39 PM EDT	Small Craft Advisory for Hazardous Seas	CAR		23 hr
Jul 19, 4:24 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Penobscot, Washington	36 min
Jul 19, 4:27 PM EDT	Flash Flood Warning	CAR	Aroostook, Penobscot	3 hr
Jul 19, 5:00 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Penobscot, Washington	45 min
Jul 19, 5:46 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Washington	44 min
Jul 19, 6:14 PM EDT	Severe Thunderstorm Warning	CAR	Washington	31 min
Jul 19, 6:30 PM EDT	Severe Thunderstorm Warning	CAR	Penobscot, Piscataquis	45 min
Jul 19, 6:54 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Penobscot, Piscataquis	51 min
Jul 19, 7:12 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Penobscot, Piscataquis, Washington	48 min
Jul 19, 7:19 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Penobscot, Piscataquis	41 min
Jul 19, 7:55 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Penobscot	50 min
Jul 19, 7:57 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook, Hancock, Penobscot, Piscataquis, Washington	48 min

Nearby

Flash Flood Watches in Maine, 2013 Every flash flood watch 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.