Alert archive / Nebraska / Winter Storm Watches in 2015

Winter Storm Watch 3, NWS North Platte, NE

November 10, 20155 counties in Nebraska

NWS North Platte, NE issued this winter storm watch at Nov 10, 2015, 1:45 PM CST for 5 counties in Nebraska. It took effect at Nov 11, 2015, 8:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Nov 10, 2015, 1:45 PM CST (19:45 UTC)
In effect from
Nov 11, 2015, 8:00 AM CST
Expired
Nov 11, 2015, 4:04 AM CST
In force
Issued by
NWS North Platte, NE

Counties Custer County, NE, Garfield County, NE, Holt County, NE, Loup County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 122 km from the middle of the area, began a volume at 19:43 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, 7.8 hours before the alert went out and 153 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 2015-11-10Temperature 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 2015-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
1694 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 10, 1:45 PM CSTBlizzard WarningLBFChase, Deuel, Hayes, Perkins24 hr
Nov 10, 1:45 PM CSTWinter Weather AdvisoryLBFArthur, Blaine, Boyd, Brown, Cherry, Custer and 17 more28 hr
Nov 10, 1:54 PM CSTHigh Wind WarningLBFCuster, Garfield, Holt, Loup, Wheeler27 hr

Nearby

Winter Storm Watches in Nebraska, 2015Every winter storm watch in 2015

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.