Alert archive / Kansas / Flash Flood Warnings in 2019

Flash Flood Warning 36, NWS Hastings, NE

August 8, 2019Osborne County, Rooks County, Kansas

NWS Hastings, NE issued this flash flood warning at Aug 8, 2019, 4:45 AM CDT for Osborne County, Rooks County, Kansas. It was in force for 6 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: Aug 8, 2019, 4:45 AM CDT (09:45 UTC)
Expired: Aug 8, 2019, 10:45 AM CDT
In force: 6 hr
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Flood severity: None

Counties Osborne County, KS, Rooks County, KS

The radar

The Grand Island radar (KUEX), 120 km from the middle of the area, began a volume at 09:45 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

Dodge City, (KDDC), launched 00:00Z, 9.8 hours before the alert went out and 191 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: 892 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 2987 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 Hastings, NE wrote its last area forecast discussion before this flash flood warning went out at Aug 7, 3:55 PM CDT, 12 hours 50 minutes earlier.

Area forecast discussion, Aug 7, 3:55 PM CDT, 12 hours 50 minutes before

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Hazardous weather outlook, Aug 7, 2:56 PM CDT, 13 hours 49 minutes before

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<body>
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    <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 8, 2:11 AM CDT	Areal Flood Advisory	GID	Osborne, Rooks	6 hr
Aug 8, 3:13 AM CDT	Flash Flood Warning	GID	Rooks	5 hr
Aug 8, 4:09 AM CDT	Special Weather Statement	GID	Osborne	51 min
Aug 8, 10:42 AM CDT	Areal Flood Advisory	GID	Osborne	7 hr

Nearby

Flash Flood Warnings in Kansas, 2019 Every flash flood warning in 2019

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.