Alert archive / South Carolina / Winter Storm Warnings in 2026

Winter Storm Warning 1, NWS Charleston, SC

January 30, 20265 counties in South Carolina; 5 counties in Georgia

NWS Charleston, SC issued this winter storm warning at Jan 30, 2026, 12:50 AM EST for 5 counties in South Carolina; 5 counties in Georgia. It took effect at Jan 31, 2026, 7:00 AM EST. It was in force for 21 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 30, 2026, 12:50 AM EST (05:50 UTC)
In effect from: Jan 31, 2026, 7:00 AM EST
Expired: Feb 1, 2026, 3:57 AM EST
In force: 21 hr
Issued by: NWS Charleston, SC

Counties Bulloch County, GA, Candler County, GA, Effingham County, GA, Jenkins County, GA, Screven County, GA, Allendale County, SC, Berkeley County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 5.8 hours before the alert went out and 115 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1537 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, SC wrote its last area forecast discussion before this winter storm warning went out at Jan 29, 7:17 PM EST, 5 hours 33 minutes earlier.

Area forecast discussion, Jan 29, 7:17 PM EST, 5 hours 33 minutes before

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Hazardous weather outlook, Jan 29, 4:43 PM EST, 8 hours 7 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 30, 12:30 PM EST	Winter Weather Advisory	CHS	Allendale, Berkeley, Colleton, Dorchester, Hampton	46 hr
Jan 30, 12:33 PM EST	Extreme Cold Warning	CHS	Allendale, Berkeley, Colleton, Dorchester, Hampton	48 hr
Jan 30, 12:33 PM EST	Lake Wind Advisory	CHS	Berkeley	45 hr
Jan 30, 1:56 PM EST	Gale Warning	CHS		47 hr
Jan 30, 1:56 PM EST	Small Craft Advisory	CHS		11 hr

Nearby

Winter Storm Warnings in South Carolina, 2026 Winter Storm Warnings in Georgia, 2026 Every winter storm warning in 2026

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.