Alert archive / Arkansas / Flash Flood Warnings in 2015

Flash Flood Warning 19, NWS Little Rock, AR

May 10, 20158 counties in Arkansas

NWS Little Rock, AR issued this flash flood warning at May 10, 2015, 4:27 AM CDT for 8 counties in Arkansas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 10, 2015, 4:27 AM CDT (09:27 UTC)
Expired
May 10, 2015, 6:30 AM CDT
In force
2 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Boone County, AR, Johnson County, AR, Logan County, AR, Marion County, AR, Newton County, AR, Pope County, AR, Searcy County, AR, Yell County, AR

The radar

The Western Arkansas radar (KSRX), 118 km from the middle of the area, began a volume at 09:28 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

Springfield, MO (KSGF), launched 00:00Z, 9.5 hours before the alert went out and 145 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2015-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 81 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2015-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
81 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
881 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Little Rock, AR wrote its last area forecast discussion before this flash flood warning went out at May 10, 3:54 AM CDT, 33 minutes earlier.

Area forecast discussion, May 10, 3:54 AM CDT, 33 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, May 9, 9:20 PM CDT, 7 hours 7 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>

In the hours before

Special weather statement, May 10, 1:51 AM CDT, 2 hours 36 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, May 10, 3:32 AM CDT, 55 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 Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 7:20 PM CDTSevere Thunderstorm WarningLZKLonoke, Prairie25 min
May 9, 9:45 PM CDTFlash Flood WarningLZKJohnson, Logan, Newton3 hr
May 10, 12:27 AM CDTFlash Flood WarningLZKBoone, Johnson, Logan, Marion, Newton, Pope and 2 more4 hr
May 10, 1:51 AM CDTSpecial Weather StatementLZKCleburne, Stone, Van Buren29 min
May 10, 2:05 AM CDTSevere Thunderstorm WarningLZKCleburne, Stone, Van Buren40 min
May 10, 2:16 AM CDTSevere Thunderstorm WarningLZKJohnson, Logan, Newton, Pope44 min
May 10, 2:36 AM CDTSevere Thunderstorm WarningLZKCleburne, Independence, Stone, White24 min
May 10, 2:57 AM CDTSevere Thunderstorm WarningLZKJohnson, Logan, Newton, Pope48 min
May 10, 3:01 AM CDTSevere Thunderstorm WarningLZKCleburne, Independence, Jackson, Sharp, Stone29 min
May 10, 3:05 AM CDTSevere Thunderstorm WarningLZKLogan, Scott, Yell25 min
May 10, 3:26 AM CDTSevere Thunderstorm WarningLZKLogan, Scott, Yell17 min
May 10, 3:32 AM CDTSpecial Weather StatementLZKIndependence43 min
May 10, 9:04 AM CDTRiver Flood WarningLZKPerry4 days
May 10, 9:19 AM CDTRiver Flood WarningLZKWhite, Woodruff33 days
May 10, 9:33 AM CDTRiver Flood WarningLZKJackson, Woodruff26 days
May 10, 11:55 AM CDTSpecial Weather StatementLZKJohnson, Newton60 min
May 10, 11:58 AM CDTSpecial Weather StatementLZKScott47 min
May 10, 12:16 PM CDTFlash Flood WarningLZKJohnson, Logan, Newton3 hr
May 10, 12:25 PM CDTSpecial Weather StatementLZKBoone, Marion, Newton, Searcy60 min
May 10, 12:30 PM CDTSevere Thunderstorm WarningLZKBoone, Marion, Newton, Searcy45 min
May 10, 1:04 PM CDTSpecial Weather StatementLZKPope, Searcy46 min
May 10, 1:43 PM CDTSpecial Weather StatementLZKPope, Searcy, Van Buren47 min
May 10, 1:55 PM CDTSpecial Weather StatementLZKPope45 min
May 10, 2:08 PM CDTSpecial Weather StatementLZKYell27 min
May 10, 4:00 PM CDTRiver Flood WarningLZKPope, Yell65 hr
May 10, 4:03 PM CDTRiver Flood WarningLZKYell4 days
May 10, 4:49 PM CDTSpecial Weather StatementLZKSharp16 min
May 10, 5:29 PM CDTSpecial Weather StatementLZKConway46 min
May 10, 5:52 PM CDTSevere Thunderstorm WarningLZKConway, Perry, Pope, Van Buren, Yell38 min
May 10, 6:26 PM CDTSevere Thunderstorm WarningLZKConway, Van Buren25 min

Nearby

Flash Flood Warnings in Arkansas, 2015Every flash flood warning in 2015

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.