Alert archive / Nebraska / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 232, NWS Hastings, NE

October 14, 2007Dawson County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Oct 14, 2007, 11:04 AM CDT for Dawson County, Nebraska. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 14, 2007, 11:04 AM CDT (16:04 UTC)
Expired
Oct 14, 2007, 11:45 AM CDT
In force
41 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon

County Dawson County, NE

The radar

The Grand Island radar (KUEX), 131 km from the middle of the area, began a volume at 16:06 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, 4.1 hours before the alert went out and 72 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, N. Platte/Lee Bi, NE at 12:00Z on 2007-10-14Temperature 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, N. Platte/Lee Bi, NE at 12:00Z on 2007-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.1939587897Sfc1 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
488 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 10:59 PM CDTSevere Thunderstorm WarningGIDFranklin46 min
Oct 13, 11:46 PM CDTSevere Thunderstorm WarningGIDWebster44 min
Oct 13, 11:57 PM CDTSevere Thunderstorm WarningGIDWebster28 min
Oct 14, 12:25 AM CDTSevere Thunderstorm WarningGIDAdams, Webster35 min
Oct 14, 4:44 AM CDTSevere Thunderstorm WarningGIDFurnas, Gosper31 min
Oct 14, 7:38 AM CDTSevere Thunderstorm WarningGIDDawson37 min
Oct 13, 10:16 PM CDTSevere Thunderstorm WarningGIDPhillips44 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2007Every severe thunderstorm warning in 2007

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.