Alert archive / West Virginia / Wind Advisories in 2021

Wind Advisory 2, NWS Charleston, WV

March 1, 2021Pocahontas County, Randolph County, West Virginia

NWS Charleston, WV issued this wind advisory at Mar 1, 2021, 10:54 AM EST for Pocahontas County, Randolph County, West Virginia. It took effect at Mar 1, 2021, 2:00 PM EST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Mar 1, 2021, 10:54 AM EST (15:54 UTC)
In effect from
Mar 1, 2021, 2:00 PM EST
Expired
Mar 2, 2021, 3:00 AM EST
In force
13 hr
Issued by
NWS Charleston, WV

Counties Pocahontas County, WV, Randolph County, WV

The radar

The Charleston,WV radar (KRLX), 157 km from the middle of the area, began a volume at 15:55 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

Roanoke, VA (KRNK), launched 12:00Z, 3.9 hours before the alert went out and 155 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, Roanoke, VA at 12:00Z on 2021-03-01Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2021-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -301 square meters per square second.1939587897Sfc1 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
808 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-301 m²/s²
0-3 km storm-relative helicity
-240 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

790 
WWUS71 KRLX 011554
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
1054 AM EST Mon Mar 1 2021

WVZ523-526-020000-
/O.NEW.KRLX.WI.Y.0002.210301T1900Z-210302T0900Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
1054 AM EST Mon Mar 1 2021

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 4 AM EST
TUESDAY...

* WHAT...Northwest winds 15 to 25 mph with gusts up to 40 mph 
  expected.

* WHERE...Northwest Pocahontas and Southeast Randolph Counties.

* WHEN...From 2 PM this afternoon to 4 AM EST Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
2 follow-up statements
874 
WWUS71 KRLX 012354
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
654 PM EST Mon Mar 1 2021

WVZ523-526-020800-
/O.CON.KRLX.WI.Y.0002.000000T0000Z-210302T0900Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
654 PM EST Mon Mar 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST TUESDAY...

* WHAT...Northwest winds 15 to 25 mph with gusts up to 40 mph 
  expected.

* WHERE...Northwest Pocahontas and Southeast Randolph Counties.

* WHEN...From 2 PM this afternoon to 4 AM EST Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
332 
WWUS71 KRLX 020800
NPWRLX

URGENT - WEATHER MESSAGE
National Weather Service Charleston WV
300 AM EST Tue Mar 2 2021

WVZ523-526-020900-
/O.CAN.KRLX.WI.Y.0002.000000T0000Z-210302T0900Z/
Northwest Pocahontas-Southeast Randolph-
Including the cities of Snowshoe and Harman
300 AM EST Tue Mar 2 2021

...WIND ADVISORY IS CANCELLED...

Winds will continue to gradually diminish this morning. Therefore,
the need for a wind advisory is over. Gusts to 30 to 35 mph remain
likely across the highest ridges early this morning.

$$

TRM

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 10:05 PM ESTFlash Flood WarningRLXWayne3 hr
Mar 1, 3:06 AM ESTRiver Flood WarningRLXPocahontas11 hr
Mar 1, 5:49 AM ESTRiver Flood WarningRLXClay, Kanawha13 hr
Mar 1, 5:52 AM ESTRiver Flood WarningRLXKanawha20 hr
Mar 1, 6:19 AM ESTRiver Flood WarningRLXLincoln, Logan17 hr
Mar 1, 11:20 AM ESTRiver Flood WarningRLXJackson, Wood51 hr
Mar 1, 11:20 AM ESTRiver Flood WarningRLXMason62 hr
Mar 1, 11:20 AM ESTRiver Flood WarningRLXCabell, Wayne3 days
Mar 1, 11:20 AM ESTRiver Flood WarningRLXMason62 hr

Nearby

Wind Advisories in West Virginia, 2021Every wind advisory in 2021

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.