Alert archive / Nebraska / Flash Flood Watches in 2008

Flash Flood Watch 2, NWS Hastings, NE

May 24, 200814 counties in Nebraska

NWS Hastings, NE issued this flash flood watch at May 24, 2008, 4:48 AM CDT for 14 counties in Nebraska. It took effect at May 24, 2008, 1:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: May 24, 2008, 4:48 AM CDT (09:48 UTC)
In effect from: May 24, 2008, 1:00 PM CDT
Expired: May 24, 2008, 6:58 PM CDT
In force: 6 hr
Issued by: NWS Hastings, NE

Counties Adams County, NE, Clay County, NE, Fillmore County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Howard County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Polk County, NE, Thayer County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 62 km from the middle of the area, began a volume at 09:49 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

Omaha, NE (KOAX), launched 00:00Z, 9.8 hours before the alert went out and 154 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 558 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 253 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 watch 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 watch went out at May 24, 4:39 AM CDT, 9 minutes earlier.

Area forecast discussion, May 24, 4:39 AM CDT, 9 minutes before

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Hazardous weather outlook, May 24, 1:24 AM CDT, 3 hours 24 minutes before

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In the hours before

Special weather statement, May 23, 11:58 PM CDT, 4 hours 50 minutes before

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Local storm report, May 24, 12:01 AM CDT, 4 hours 47 minutes before

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Special weather statement, May 24, 12:04 AM CDT, 4 hours 44 minutes before

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Local storm report, May 24, 12:05 AM CDT, 4 hours 43 minutes before

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Local storm report, May 24, 12:07 AM CDT, 4 hours 41 minutes before

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Local storm report, May 24, 12:17 AM CDT, 4 hours 31 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 7:55 PM CDT	Areal Flood Warning	GID	Gosper	24 hr
May 23, 8:39 PM CDT	Severe Thunderstorm Warning	GID	Furnas, Harlan	66 min
May 23, 9:16 PM CDT	Areal Flood Warning	GID	Kearney, Phelps	14 hr
May 23, 10:42 PM CDT	Areal Flood Warning	GID	Nuckolls, Thayer	47 hr
May 24, 2:34 AM CDT	Areal Flood Warning	GID	Hall, Hamilton, Howard, Merrick, Nance, Polk	5 days
May 24, 8:23 AM CDT	Areal Flood Warning	GID	Sherman, Valley	36 hr
May 24, 5:05 PM CDT	River Flood Warning	GID	Harlan	3 days
May 23, 8:27 PM CDT	Tornado Warning	GID	Rooks	63 min
May 23, 9:28 PM CDT	Tornado Warning	GID	Rooks	47 min
May 23, 9:36 PM CDT	Severe Thunderstorm Warning	GID	Osborne, Phillips, Rooks, Smith	39 min
May 23, 9:59 PM CDT	Tornado Warning	GID	Osborne, Phillips, Rooks, Smith	46 min
May 23, 10:20 PM CDT	Severe Thunderstorm Warning	GID	Osborne, Smith	40 min
May 23, 10:30 PM CDT	Tornado Warning	GID	Osborne, Smith	35 min
May 23, 10:32 PM CDT	Severe Thunderstorm Warning	GID	Osborne, Phillips, Rooks	28 min
May 23, 10:38 PM CDT	Severe Thunderstorm Warning	GID	Smith	37 min
May 23, 10:50 PM CDT	Areal Flood Warning	GID	Osborne	47 hr

Nearby

Flash Flood Watches in Nebraska, 2008 Every flash flood watch in 2008

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.