Alert archive / Virginia / Frost Advisories in 2026

Frost Advisory 4, NWS Blacksburg, VA

April 30, 2026Alleghany County, Bath County, City of Covington, Virginia; Greenbrier County, Monroe County, Summers County, West Virginia

NWS Blacksburg, VA issued this frost advisory at Apr 30, 2026, 2:11 AM EDT for Alleghany County, Bath County, City of Covington, Virginia; Greenbrier County, Monroe County, Summers County, West Virginia. It took effect at May 1, 2026, 12:00 AM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Apr 30, 2026, 2:11 AM EDT (06:11 UTC)
In effect from: May 1, 2026, 12:00 AM EDT
Expired: May 1, 2026, 8:00 AM EDT
In force: 8 hr
Issued by: NWS Blacksburg, VA

Counties Alleghany County, VA, Bath County, VA, City of Covington, VA, Greenbrier County, WV, Monroe County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 86 km from the middle of the area, began a volume at 06:13 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 6.2 hours before the alert went out and 194 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: 512 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 1132 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 142 m²/s²
0-3 km storm-relative helicity: 270 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.4

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Blacksburg, VA wrote its last area forecast discussion before this frost advisory went out at Apr 30, 2:09 AM EDT, 2 minutes earlier.

Area forecast discussion, Apr 30, 2:09 AM EDT, 2 minutes before

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In the hours before

Local storm report, Apr 29, 8:48 PM EDT, 5 hours 23 minutes before

Preliminary Local Storm Report
National Weather Service Blacksburg VA
848 PM EDT Wed Apr 29 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0640 PM     Landslide        3 NNE Hinton            37.70N 80.89W
04/29/2026                   Summers            WV   Emergency Mngr

            Reported on social media along with a
            picture.

&&

SHH

Local storm report, Apr 29, 9:42 PM EDT, 4 hours 29 minutes before

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Local storm report, Apr 29, 10:38 PM EDT, 3 hours 33 minutes before

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Local storm report, Apr 29, 10:41 PM EDT, 3 hours 30 minutes before

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Local storm report, Apr 29, 10:42 PM EDT, 3 hours 29 minutes before

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Local storm report, Apr 29, 10:52 PM EDT, 3 hours 19 minutes before

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The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 29, 8:47 PM EDT	Special Weather Statement	RNK	Rockingham	28 min
Apr 29, 8:56 PM EDT	Severe Thunderstorm Warning	RNK	Caswell, Rockingham	64 min

Nearby

Frost Advisories in Virginia, 2026 Frost Advisories in West Virginia, 2026 Every frost advisory 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; radar from the NEXRAD Level II archive.