Alert archive / Virginia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 1, NWS Wakefield, VA

February 25, 20176 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Feb 25, 2017, 1:48 PM EST for 6 counties in Virginia. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 25, 2017, 1:48 PM EST (18:48 UTC)
Expired
Feb 25, 2017, 2:30 PM EST
In force
42 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Amelia County, VA, Chesterfield County, VA, Goochland County, VA, Nottoway County, VA, Powhatan County, VA, Prince Edward County, VA

The radar

The Norfolk radar (KAKQ), 97 km from the middle of the area, began a volume at 18:50 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 25, 1:30 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.8 hours before the alert went out and 136 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 2017-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 111 joules per kilogram.LCLLFCEL10008507005003002001001 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, Roanoke, VA at 12:00Z on 2017-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 263 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
111 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
263 m²/s²
0-3 km storm-relative helicity
242 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Wakefield, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 25, 1:35 PM EST, 13 minutes earlier.

Area forecast discussion, Feb 25, 1:35 PM EST, 13 minutes before
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Hazardous weather outlook, Feb 25, 1:35 PM EST, 13 minutes before
Hazardous Weather Outlook
National Weather Service WAKEFIELD VA
135 PM EST Sat Feb 25 2017

MDZ021-VAZ048-060>062-064>069-075>090-092-093-509>525-261845-
Dorchester-Fluvanna-Prince Edward-Cumberland-Goochland-Caroline-
Mecklenburg-Lunenburg-Nottoway-Amelia-Powhatan-Westmoreland-Richmond-
Northumberland-Lancaster-Brunswick-Dinwiddie-Prince George-
Charles City-New Kent-Gloucester-Middlesex-Mathews-Greensville-
Sussex-Surry-James City-Southampton-Isle of Wight-Western Louisa-
Eastern Louisa-Western Hanover-Eastern Hanover-Western Chesterfield-
Eastern Chesterfield (Including Col. Heights)-
Western Henrico (Including the City of Richmond)-Eastern Henrico-
Western King William-Eastern King William-Western King and Queen-
Eastern King and Queen-Western Essex-Eastern Essex-York-Newport News-
Hampton/Poquoson-
135 PM EST Sat Feb 25 2017

...SEVERE THUNDERSTORM WATCH 39 IN EFFECT UNTIL 8 PM EST THIS
EVENING...

This Hazardous Weather Outlook is for southeast Maryland, central
Virginia, east central Virginia, eastern Virginia, north central
Virginia, south central Virginia and southeast Virginia.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

There is a slight risk for severe thunderstorms this afternoon into
early evening. Scattered severe thunderstorms are possible. The main
threats will be damaging winds and possibly large hail.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MDZ022-023-261845-
Wicomico-Somerset-
135 PM EST Sat Feb 25 2017

This Hazardous Weather Outlook is for southeast Maryland.

.DAY ONE...This Afternoon and Tonight.

There is a slight risk for severe thunderstorms this afternoon into
early evening. Scattered severe thunderstorms are possible. The main
threats will be damaging winds and possibly large hail.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MDZ024-025-NCZ012>017-030>032-102-VAZ095>100-261845-
Inland Worcester-Maryland Beaches-Northampton-Hertford-Gates-
Pasquotank-Camden-Western Currituck-Bertie-Chowan-Perquimans-
Eastern Currituck-Norfolk/Portsmouth-Suffolk-Chesapeake-
Virginia Beach-Accomack-
135 PM EST Sat Feb 25 2017

This Hazardous Weather Outlook is for southeast Maryland, northeast
North Carolina, eastern Virginia and southeast Virginia.

.DAY ONE...This Afternoon and Tonight.

Thunderstorms are possible during the late afternoon and early
evening hours. Some storms may produce strong wind gusts.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Feb 25, 1:28 PM EST, 20 minutes before
Special Weather Statement
National Weather Service Wakefield VA
128 PM EST SAT FEB 25 2017

VAZ060>062-067>069-251915-
Goochland-Nottoway-Powhatan-Amelia-Cumberland-Prince Edward-
128 PM EST SAT FEB 25 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CUMBERLAND...PRINCE
EDWARD...NORTHWESTERN NOTTOWAY...SOUTHWESTERN GOOCHLAND...
NORTHWESTERN AMELIA AND WESTERN POWHATAN COUNTIES...

At 128 PM EST, radar indicated strong thunderstorms were located
along a line extending from near Sheppards to near Cullen. Movement
was northeast at 55 mph.

Wind gusts in excess of 30 mph are possible with these storms.

Locations impacted include...
Goochland, Cumberland, Farmville, Crewe, Hampden Sydney, Hampden
Sydney College, Longwood University, Burkeville, Guinea Mills,
Tobaccoville, Darlington Heights, Trenholm, Morven, Lakeside Village,
Macon, Green Bay, Fife, Jetersville, Sunnyside and Rice.

If you see lightning or hear thunder...you are at risk. Take shelter
indoors immediately. If you cannot find shelter in a building a
vehicle provides safety from lightning.

LAT...LON 3736 7856 3735 7855 3733 7851 3734 7846
      3762 7826 3771 7822 3780 7791 3776 7789
      3775 7782 3713 7816 3712 7824 3710 7828
      3711 7836 3709 7838 3708 7845 3709 7848
      3713 7851 3715 7855 3714 7858 3717 7863
TIME...MOT...LOC 1828Z 235DEG 49KT 3743 7844 3710 7861

DEROSA

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 25, 1:28 PM ESTSpecial Weather StatementAKQCumberland, Goochland, Prince Edward47 min
Feb 25, 2:06 PM ESTSpecial Weather StatementAKQPrince Edward39 min
Feb 25, 2:11 PM ESTSpecial Weather StatementAKQLunenburg49 min
Feb 25, 2:18 PM ESTSevere Thunderstorm WarningAKQLunenburg, Nottoway, Prince Edward42 min
Feb 25, 2:28 PM ESTSevere Thunderstorm WarningAKQAmelia, Chesterfield, Goochland, Hanover, Henrico, Powhatan and 1 more47 min
Feb 25, 2:43 PM ESTSpecial Weather StatementAKQGoochland47 min
Feb 25, 2:50 PM ESTSevere Thunderstorm WarningAKQCaroline, Essex, Hanover40 min
Feb 25, 2:51 PM ESTSevere Thunderstorm WarningAKQAmelia, Chesterfield, Dinwiddie, Nottoway39 min
Feb 25, 3:04 PM ESTSpecial Weather StatementAKQLunenburg26 min
Feb 25, 3:05 PM ESTSpecial Weather StatementAKQMecklenburg25 min
Feb 25, 3:13 PM ESTSevere Thunderstorm WarningAKQEssex, Hanover, Henrico, King and Queen, King William, Richmond and 1 more47 min
Feb 25, 3:16 PM ESTSevere Thunderstorm WarningAKQAmelia, Chesterfield, Dinwiddie, Prince George, City of Colonial Heights, City of Hopewell44 min
Feb 25, 3:17 PM ESTSpecial Weather StatementAKQMecklenburg43 min
Feb 25, 3:27 PM ESTSevere Thunderstorm WarningAKQCaroline, Essex, Richmond, Westmoreland33 min
Feb 25, 3:41 PM ESTSpecial Weather StatementAKQMecklenburg49 min
Feb 25, 3:42 PM ESTSevere Thunderstorm WarningAKQCharles City, Chesterfield, Henrico, New Kent, Prince George, City of Colonial Heights and 1 more48 min
Feb 25, 3:43 PM ESTSevere Thunderstorm WarningAKQBrunswick, Mecklenburg36 min
Feb 25, 3:53 PM ESTTornado WarningAKQCharles City, Chesterfield, Henrico, New Kent, City of Hopewell19 min
Feb 25, 3:57 PM ESTSevere Thunderstorm WarningAKQRichmond, Westmoreland18 min
Feb 25, 4:08 PM ESTTornado WarningAKQWestmoreland22 min
Feb 25, 4:14 PM ESTSevere Thunderstorm WarningAKQCharles City, Gloucester, James City, King and Queen, King William, Middlesex and 1 more46 min
Feb 25, 4:18 PM ESTSpecial Weather StatementAKQDinwiddie, City of Petersburg42 min
Feb 25, 4:22 PM ESTSpecial Weather StatementAKQBrunswick38 min
Feb 25, 4:24 PM ESTSpecial Weather StatementAKQNorthumberland36 min
Feb 25, 4:31 PM ESTSpecial Marine WarningAKQ59 min
Feb 25, 4:39 PM ESTSpecial Weather StatementAKQCharles City, New Kent, Prince George, City of Hopewell, City of Petersburg51 min
Feb 25, 4:42 PM ESTSevere Thunderstorm WarningAKQGloucester, King and Queen, Lancaster, Mathews, Middlesex38 min
Feb 25, 4:48 PM ESTSpecial Weather StatementAKQCharles City, Gloucester, Isle of Wight, James City, Mathews, Prince George and 7 more42 min
Feb 25, 5:14 PM ESTSpecial Marine WarningAKQ2 hr
Feb 25, 5:23 PM ESTSevere Thunderstorm WarningAKQAccomack, Northampton67 min
Feb 25, 5:26 PM ESTSpecial Marine WarningAKQ94 min
Feb 25, 5:36 PM ESTSpecial Weather StatementAKQMathews, York, City of Hampton, City of Newport News, City of Poquoson39 min
Feb 25, 5:45 PM ESTSevere Thunderstorm WarningAKQIsle of Wight, York, City of Hampton, City of Newport News, City of Poquoson30 min
Feb 25, 6:09 PM ESTSpecial Marine WarningAKQ96 min
Feb 25, 6:11 PM ESTSevere Thunderstorm WarningAKQNorthampton37 min
Feb 25, 6:12 PM ESTSpecial Marine WarningAKQ63 min
Feb 25, 6:52 PM ESTSpecial Weather StatementAKQSouthampton, City of Franklin38 min
Feb 25, 4:15 PM ESTSevere Thunderstorm WarningAKQDorchester13 min
Feb 25, 4:39 PM ESTSevere Thunderstorm WarningAKQDorchester, Wicomico51 min
Feb 25, 5:38 PM ESTSpecial Weather StatementAKQWorcester67 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2017Every severe thunderstorm warning in 2017

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.