Alert archive / Nebraska / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 229, NWS Hastings, NE

October 14, 2007Adams County, Webster County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Oct 14, 2007, 12:25 AM CDT for Adams County, Webster County, Nebraska. It was in force for 35 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, 12:25 AM CDT (05:25 UTC)
Expired
Oct 14, 2007, 1:00 AM CDT
In force
35 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon

Counties Adams County, NE, Webster County, NE

The radar

The Grand Island radar (KUEX), 6 km from the middle of the area, began a volume at 05:26 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 13, 9:17 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 5.4 hours before the alert went out and 209 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, Omaha, NE at 00:00Z on 2007-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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, Omaha, NE at 00:00Z on 2007-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 square meters per square second.19395878Sfc1 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
528 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
252 m²/s²
0-3 km storm-relative helicity
356 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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, 4:44 AM CDTSevere Thunderstorm WarningGIDFurnas, Gosper31 min
Oct 14, 7:38 AM CDTSevere Thunderstorm WarningGIDDawson37 min
Oct 14, 11:04 AM CDTSevere Thunderstorm WarningGIDDawson41 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.