Alert archive / Arkansas / Flash Flood Warnings in 2010

Flash Flood Warning 4, NWS Little Rock, AR

April 23, 2010Independence County, Jackson County, Sharp County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Apr 23, 2010, 5:49 PM CDT for Independence County, Jackson County, Sharp County, 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
Apr 23, 2010, 5:49 PM CDT (22:49 UTC)
Expired
Apr 23, 2010, 8:15 PM CDT
In force
2 hr
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Flood severity
None

Counties Independence County, AR, Jackson County, AR, Sharp County, AR

The radar

The Little Rock radar (KLZK), 135 km from the middle of the area, began a volume at 22:51 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

Little Rock, AR (KLZK), launched 12:00Z, 10.8 hours before the alert went out and 174 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, Little Rock, AR at 12:00Z on 2010-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Little Rock, AR at 12:00Z on 2010-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1182 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
183 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 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 Apr 23, 3:03 PM CDT, 2 hours 46 minutes earlier.

Area forecast discussion, Apr 23, 3:03 PM CDT, 2 hours 46 minutes before
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Hazardous weather outlook, Apr 23, 3:55 PM CDT, 1 hour 54 minutes before
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In the hours before

Local storm report, Apr 23, 4:28 PM CDT, 1 hour 21 minutes before
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Local storm report, Apr 23, 5:02 PM CDT, 47 minutes before
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Special weather statement, Apr 23, 5:19 PM CDT, 30 minutes before
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Local storm report, Apr 23, 5:33 PM CDT, 16 minutes before
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Local storm report, Apr 23, 5:43 PM CDT, 6 minutes before
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<body>
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      <h1 id="headline">This service is currently unavailable.</h1>
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      <p id="message2">
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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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Local storm report, Apr 23, 5:47 PM CDT, 2 minutes before
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      <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.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 12:30 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Pulaski, Saline26 min
Apr 23, 12:49 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Pulaski26 min
Apr 23, 1:13 PM CDTSevere Thunderstorm WarningLZKMontgomery, Pike, Polk34 min
Apr 23, 1:21 PM CDTSevere Thunderstorm WarningLZKClark, Garland, Hot Spring, Montgomery, Pike24 min
Apr 23, 1:37 PM CDTSevere Thunderstorm WarningLZKBradley, Calhoun, Ouachita38 min
Apr 23, 1:45 PM CDTSevere Thunderstorm WarningLZKConway, Garland, Montgomery, Perry, Pope, Saline and 1 more45 min
Apr 23, 2:09 PM CDTSevere Thunderstorm WarningLZKClark, Garland, Hot Spring, Saline51 min
Apr 23, 2:17 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Garland, Perry, Pulaski, Saline43 min
Apr 23, 2:57 PM CDTSevere Thunderstorm WarningLZKCleburne, Conway, Faulkner, Perry, Van Buren48 min
Apr 23, 2:59 PM CDTSevere Thunderstorm WarningLZKConway, Perry, Pope, Van Buren, Yell46 min
Apr 23, 3:23 PM CDTTornado WarningLZKConway, Perry, Pope, Van Buren, Yell37 min
Apr 23, 3:45 PM CDTSevere Thunderstorm WarningLZKCleburne, Faulkner, Independence, Stone, Van Buren, White45 min
Apr 23, 3:48 PM CDTSevere Thunderstorm WarningLZKCalhoun, Cleveland, Dallas, Grant, Jefferson, Ouachita42 min
Apr 23, 3:58 PM CDTSevere Thunderstorm WarningLZKCleburne, Conway, Faulkner, Stone, Van Buren47 min
Apr 23, 4:18 PM CDTFlash Flood WarningLZKCleburne, Conway, Faulkner, Van Buren3 hr
Apr 23, 4:29 PM CDTSevere Thunderstorm WarningLZKCleveland, Dallas, Grant, Jefferson, Lincoln46 min
Apr 23, 4:30 PM CDTSevere Thunderstorm WarningLZKCleburne, Faulkner, Independence, Izard, Stone, Van Buren45 min
Apr 23, 4:36 PM CDTSevere Thunderstorm WarningLZKCleburne, Independence, Jackson, Sharp, White39 min
Apr 23, 5:08 PM CDTFlash Flood WarningLZKCleburne, Independence, Stone, Van Buren3 hr
Apr 23, 5:15 PM CDTSevere Thunderstorm WarningLZKCleburne, Independence, Jackson, Sharp, Stone45 min
Apr 23, 5:54 PM CDTSevere Thunderstorm WarningLZKIndependence, Jackson36 min
Apr 23, 6:13 PM CDTSevere Thunderstorm WarningLZKLonoke, Prairie, White, Woodruff47 min

Nearby

Flash Flood Warnings in Arkansas, 2010Every flash flood warning 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.