Alert archive / Wisconsin / Winter Storm Watches in 2008

Winter Storm Watch 9, NWS La Crosse, WI

March 30, 2008Taylor County, Wisconsin

NWS La Crosse, WI issued this winter storm watch at Mar 30, 2008, 3:44 AM CDT for Taylor County, Wisconsin. It took effect at Mar 31, 2008, 7:00 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 30, 2008, 3:44 AM CDT (08:44 UTC)
In effect from
Mar 31, 2008, 7:00 AM CDT
Expired
Mar 30, 2008, 4:00 PM CDT
In force
Issued by
NWS La Crosse, WI

County Taylor County, WI

The radar

The La Crosse radar (KARX), 164 km from the middle of the area, began a volume at 08:44 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

Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.7 hours before the alert went out and 206 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, Green Bay/Straub, WI at 00:00Z on 2008-03-30Temperature 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, Green Bay/Straub, WI at 00:00Z on 2008-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
2049 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 30, 3:53 AM CDTFlood WatchARXCrawford, Grant, Richland, Vernon41 hr
Mar 30, 4:00 PM CDTHeavy Snow WarningARXTaylor38 hr
Mar 30, 4:00 PM CDTWinter Weather AdvisoryARXBuffalo, Clark38 hr

Nearby

Winter Storm Watches in Wisconsin, 2008Every winter storm 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.