Alert archive / Kansas / Flash Flood Watches in 2009

Flash Flood Watch 3, NWS Hastings, NE

June 15, 2009Furnas County, Harlan County, Nebraska; 6 counties in Kansas

NWS Hastings, NE issued this flash flood watch at Jun 15, 2009, 11:46 AM CDT for Furnas County, Harlan County, Nebraska; 6 counties in Kansas. It took effect at Jun 15, 2009, 4:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jun 15, 2009, 11:46 AM CDT (16:46 UTC)
In effect from: Jun 15, 2009, 4:00 PM CDT
Expired: Jun 15, 2009, 11:57 PM CDT
In force: 8 hr
Issued by: NWS Hastings, NE
Flood severity: None

Counties Jewell County, KS, Mitchell County, KS, Osborne County, KS, Phillips County, KS, Rooks County, KS, Smith County, KS, Furnas County, NE, Harlan County, NE

The radar

The Grand Island radar (KUEX), 81 km from the middle of the area, began a volume at 16:47 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 4.8 hours before the alert went out and 207 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: 309 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 685 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 69 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 Jun 15, 6:30 AM CDT, 5 hours 16 minutes earlier.

Area forecast discussion, Jun 15, 6:30 AM CDT, 5 hours 16 minutes before

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Hazardous weather outlook, Jun 15, 8:21 AM CDT, 3 hours 25 minutes before

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In the hours before

Local storm report, Jun 15, 5:46 AM CDT, 6 hours 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
Jun 14, 10:59 PM CDT	Special Weather Statement	GID	Furnas	31 min
Jun 14, 11:04 PM CDT	Severe Thunderstorm Warning	GID	Furnas	41 min
Jun 14, 11:44 PM CDT	Severe Thunderstorm Warning	GID	Furnas	46 min
Jun 15, 12:29 AM CDT	Special Weather Statement	GID	Furnas	46 min
Jun 15, 12:32 AM CDT	Areal Flood Advisory	GID	Furnas	6 hr
Jun 15, 1:25 AM CDT	Special Weather Statement	GID	Harlan	35 min
Jun 15, 2:09 AM CDT	Areal Flood Advisory	GID	Buffalo	68 hr
Jun 15, 3:31 AM CDT	Areal Flood Advisory	GID	Buffalo	4 days
Jun 15, 2:29 AM CDT	Special Weather Statement	GID	Rooks	31 min
Jun 15, 2:38 AM CDT	Severe Thunderstorm Warning	GID	Osborne, Rooks	52 min
Jun 15, 2:54 AM CDT	Areal Flood Warning	GID	Phillips, Rooks	42 hr
Jun 15, 3:08 AM CDT	Special Weather Statement	GID	Smith	37 min
Jun 15, 3:13 AM CDT	River Flood Warning	GID	Rooks	62 hr
Jun 15, 3:19 AM CDT	Severe Thunderstorm Warning	GID	Mitchell, Osborne	41 min
Jun 15, 4:29 AM CDT	Areal Flood Warning	GID	Osborne, Smith	24 hr
Jun 15, 6:20 PM CDT	Special Weather Statement	GID	Mitchell	40 min
Jun 15, 6:40 PM CDT	Severe Thunderstorm Warning	GID	Mitchell	33 min

Nearby

Flash Flood Watches in Kansas, 2009 Flash Flood Watches in Nebraska, 2009 Every flash flood watch in 2009

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.