Alert archive / South Dakota / Blizzard Watches in 2008

Blizzard Watch 2, NWS Aberdeen, SD

November 5, 20085 counties in South Dakota

NWS Aberdeen, SD issued this blizzard watch at Nov 5, 2008, 1:03 PM CST for 5 counties in South Dakota. It took effect at Nov 6, 2008, 12:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Nov 5, 2008, 1:03 PM CST (19:03 UTC)
In effect from
Nov 6, 2008, 12:00 PM CST
Expired
Nov 6, 2008, 4:48 AM CST
In force
Issued by
NWS Aberdeen, SD

Counties Brown County, SD, Clark County, SD, Day County, SD, Marshall County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 42 km from the middle of the area, began a volume at 19:04 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

Aberdeen, SD (KABR), launched 12:00Z, 7.1 hours before the alert went out and 58 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, Aberdeen, SD at 12:00Z on 2008-11-05Temperature 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, Aberdeen, SD at 12:00Z on 2008-11-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
838 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 5, 4:48 AM CSTBlizzard WarningABRBrown, Buffalo, Campbell, Clark, Corson, Day and 15 more55 hr
Nov 5, 6:57 AM CSTDense Fog AdvisoryABRBrown, Campbell, Clark, Day, Edmunds, Faulk and 5 more3 hr

Nearby

Blizzard Watches in South Dakota, 2008Every blizzard 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.