Alert archive / Maryland / Special Weather Statements in 2021

Special Weather Statement, NWS Wakefield, VA

August 14, 2021Dorchester County, Maryland

NWS Wakefield, VA issued this special weather statement at Aug 14, 2021, 10:37 PM EDT for Dorchester County, Maryland. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 14, 2021, 10:37 PM EDT (02:37 UTC)
Expired
Aug 14, 2021, 11:00 PM EDT
In force
23 min
Issued by
NWS Wakefield, VA

County Dorchester County, MD

The radar

The Dover AFB radar (KDOX), 70 km from the middle of the area, began a volume at 02:37 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.6 hours before the alert went out and 97 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, Wallops Is Stn, VA at 00:00Z on 2021-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1575 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 00:00Z on 2021-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 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
1575 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
1189 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-3 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

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 14, 10:00 PM EDT, 37 minutes earlier.

Area forecast discussion, Aug 14, 10:00 PM EDT, 37 minutes before
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Hazardous weather outlook, Aug 14, 3:20 PM EDT, 7 hours 17 minutes before
Hazardous Weather Outlook
National Weather Service Wakefield VA
320 PM EDT Sat Aug 14 2021

MDZ021>025-VAZ048-060>062-064>069-075-079-080-099-509>517-519-521-
151930-
Dorchester-Wicomico-Somerset-Inland Worcester-Maryland Beaches-
Fluvanna-Prince Edward-Cumberland-Goochland-Caroline-Mecklenburg-
Lunenburg-Nottoway-Amelia-Powhatan-Westmoreland-Brunswick-Dinwiddie-
Accomack-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-Western King and Queen-Western Essex-
320 PM EDT Sat Aug 14 2021

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

.DAY ONE...Tonight.

Slow moving thunderstorms just ahead of a cold front will result in
the potential for localized flash flooding tonight. In addition,
isolated severe storms with damaging wind gusts are possible early
this evening.

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

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

NCZ012>017-030>032-102-VAZ076>078-081>090-092-093-095>098-100-518-
520-522>525-151930-
Northampton-Hertford-Gates-Pasquotank-Camden-Western Currituck-
Bertie-Chowan-Perquimans-Eastern Currituck-Richmond-Northumberland-
Lancaster-Prince George-Charles City-New Kent-Gloucester-Middlesex-
Mathews-Greensville-Sussex-Surry-James City-Southampton-
Isle of Wight-Norfolk/Portsmouth-Suffolk-Chesapeake-Virginia Beach-
Eastern King William-Eastern King and Queen-Eastern Essex-York-
Newport News-Hampton/Poquoson-
320 PM EDT Sat Aug 14 2021

...HEAT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for northeast North Carolina,
east central Virginia, eastern Virginia, south central Virginia and
southeast Virginia.

.DAY ONE...Tonight.

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

   Heat Advisory.

Slow moving thunderstorms just ahead of a cold front will result in
the potential for localized flash flooding tonight. In addition,
isolated severe storms with damaging wind gusts are possible early
this evening.

.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

Local storm report, Aug 14, 9:03 PM EDT, 1 hour 34 minutes before
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Local storm report, Aug 14, 9:05 PM EDT, 1 hour 32 minutes before
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Local storm report, Aug 14, 9:09 PM EDT, 1 hour 28 minutes before
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Local storm report, Aug 14, 9:11 PM EDT, 1 hour 26 minutes before
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Special weather statement, Aug 14, 9:17 PM EDT, 1 hour 20 minutes before
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Special weather statement, Aug 14, 10:37 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 8:13 PM EDTSpecial Weather StatementAKQSouthampton, City of Franklin47 min
Aug 14, 8:32 PM EDTSpecial Weather StatementAKQGoochland43 min
Aug 14, 8:34 PM EDTSpecial Marine WarningAKQ56 min
Aug 14, 9:17 PM EDTSpecial Weather StatementAKQAmelia, Cumberland, Goochland, Powhatan43 min
Aug 14, 10:01 PM EDTAreal Flood AdvisoryAKQHanover, King William119 min
Aug 14, 10:46 PM EDTFlash Flood WarningAKQHanover2 hr
Aug 14, 10:59 PM EDTAreal Flood AdvisoryAKQHanover, Henrico2 hr
Aug 15, 2:45 PM EDTSpecial Weather StatementAKQCity of Chesapeake45 min
Aug 15, 3:20 PM EDTSpecial Weather StatementAKQCity of Chesapeake, City of Suffolk40 min
Aug 15, 3:44 PM EDTSpecial Marine WarningAKQ91 min
Aug 15, 4:41 PM EDTSpecial Weather StatementAKQKing William, City of Richmond64 min
Aug 15, 4:45 PM EDTAreal Flood AdvisoryAKQChesterfield, Hanover, Henrico, City of Richmond2 hr
Aug 15, 4:48 PM EDTSpecial Weather StatementAKQGreensville, City of Emporia42 min
Aug 15, 4:56 PM EDTFlash Flood WarningAKQChesterfield, Hanover, Henrico, City of Richmond3 hr
Aug 15, 5:13 PM EDTFlash Flood Warning Considerable damage threatAKQHanover, Henrico, City of Richmond5 hr
Aug 15, 5:38 PM EDTSpecial Weather StatementAKQBrunswick, Dinwiddie, Greensville, City of Emporia52 min
Aug 15, 5:52 PM EDTAreal Flood AdvisoryAKQGreensville, Sussex3 hr
Aug 15, 6:16 PM EDTSpecial Weather StatementAKQGloucester, James City, New Kent, City of Williamsburg59 min
Aug 15, 6:34 PM EDTAreal Flood AdvisoryAKQCharles City, James City, King and Queen, King William, New Kent3 hr
Aug 15, 6:50 PM EDTSpecial Weather StatementAKQCharles City, Henrico, City of Colonial Heights, City of Hopewell, City of Petersburg55 min
Aug 15, 7:00 PM EDTAreal Flood AdvisoryAKQChesterfield, Dinwiddie3 hr
Aug 15, 7:20 PM EDTAreal Flood AdvisoryAKQCharles City, Chesterfield, Prince George, City of Colonial Heights, City of Hopewell26 min
Aug 15, 7:44 PM EDTFlash Flood WarningAKQCharles City, Chesterfield, Prince George, City of Colonial Heights, City of Hopewell3 hr
Aug 15, 7:54 PM EDTAreal Flood AdvisoryAKQChesterfield11 min
Aug 15, 2:12 PM EDTSpecial Weather StatementAKQCamden, Pasquotank33 min
Aug 15, 2:42 PM EDTAreal Flood AdvisoryAKQPasquotank, Perquimans3 hr
Aug 15, 3:20 PM EDTAreal Flood AdvisoryAKQCamden, Gates, Pasquotank3 hr
Aug 15, 4:15 PM EDTSpecial Weather StatementAKQNorthampton45 min
Aug 14, 11:05 PM EDTSpecial Weather StatementAKQDorchester40 min
Aug 15, 12:17 AM EDTAreal Flood AdvisoryAKQDorchester, Wicomico3 hr

Nearby

Special Weather Statements in Maryland, 2021Every special weather statement 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.