Alert archive / Arkansas / Winter Storm Warnings in 2014

Winter Storm Warning 1, NWS Little Rock, AR

January 4, 20146 counties in Arkansas

NWS Little Rock, AR issued this winter storm warning at Jan 4, 2014, 4:20 AM CST for 6 counties in Arkansas. It took effect at Jan 4, 2014, 9:00 PM CST. It was in force for 16 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 4, 2014, 4:20 AM CST (10:20 UTC)
In effect from
Jan 4, 2014, 9:00 PM CST
Expired
Jan 5, 2014, 1:27 PM CST
In force
16 hr
Issued by
NWS Little Rock, AR

Counties Baxter County, AR, Fulton County, AR, Izard County, AR, Marion County, AR, Sharp County, AR, Stone County, AR

The radar

The Little Rock radar (KLZK), 150 km from the middle of the area, began a volume at 10:24 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

Springfield, MO (KSGF), launched 00:00Z, 10.3 hours before the alert went out and 175 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, Springfield, MO at 00:00Z on 2014-01-04Temperature 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, Springfield, MO at 00:00Z on 2014-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 584 square meters per square second.193958Sfc1 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
1858 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
584 m²/s²
0-3 km storm-relative helicity
723 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 4, 4:20 AM CSTWinter Weather AdvisoryLZKBaxter, Cleburne, Conway, Fulton, Independence, Izard and 4 more38 hr
Jan 4, 2:15 PM CSTWind Chill AdvisoryLZKArkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 28 more55 hr

Nearby

Winter Storm Warnings in Arkansas, 2014Every winter storm warning in 2014

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.