Alert archive / Maryland / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 105, NWS Wakefield, VA

July 15, 2014Dorchester County, Maryland

NWS Wakefield, VA issued this severe thunderstorm warning at Jul 15, 2014, 2:36 PM EDT for Dorchester County, Maryland. It was in force for 39 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: Jul 15, 2014, 2:36 PM EDT (18:36 UTC)
Expired: Jul 15, 2014, 3:15 PM EDT
In force: 39 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Dorchester County, MD

The radar

The Dover AFB radar (KDOX), 72 km from the middle of the area, began a volume at 18:34 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.

Issued	Product	Office	Lasted
Jul 15, 1:43 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 6.6 hours before the alert went out and 81 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: 1278 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 774 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: 42 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 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 Jul 15, 2:08 PM EDT, 28 minutes earlier.

Area forecast discussion, Jul 15, 2:08 PM EDT, 28 minutes before

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Hazardous weather outlook, Jul 15, 1:51 PM EDT, 45 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
151 PM EDT TUE JUL 15 2014

MDZ021>025-VAZ048-049-060>090-099-100-161800-
DORCHESTER-WICOMICO-SOMERSET-INLAND WORCESTER-MARYLAND BEACHES-
FLUVANNA-LOUISA-PRINCE EDWARD-CUMBERLAND-GOOCHLAND-HANOVER-CAROLINE-
MECKLENBURG-LUNENBURG-NOTTOWAY-AMELIA-POWHATAN-CHESTERFIELD-HENRICO-
KING WILLIAM-KING AND QUEEN-ESSEX-WESTMORELAND-RICHMOND-
NORTHUMBERLAND-LANCASTER-BRUNSWICK-DINWIDDIE-PRINCE GEORGE-
CHARLES CITY-NEW KENT-GLOUCESTER-MIDDLESEX-MATHEWS-GREENSVILLE-
SUSSEX-SURRY-JAMES CITY-ACCOMACK-NORTHAMPTON VA-
151 PM EDT TUE JUL 15 2014

...SEVERE THUNDERSTORM WATCH 423 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE LOWER EASTERN SHORE OF
MARYLAND...CENTRAL VIRGINIA...EAST CENTRAL VIRGINIA...INTERIOR
SOUTHEAST VIRGINIA...SOUTH CENTRAL VIRGINIA...THE EASTERN SHORE OF
VIRGINIA...THE MIDDLE PENINSULA OF VIRGINIA...THE NORTHERN NECK OF
VIRGINIA...THE PENINSULA OF SOUTHEAST VIRGINIA AND THE PIEDMONT OF
CENTRAL 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.

THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING AS A COLD
FRONT CROSSES THE AREA. SOME OF THE STRONGER STORMS MAY PRODUCE
DAMAGING WINDS. IN ADDITION...THUNDERSTORMS WILL CONTAIN HEAVY
RAIN...WHICH COULD LEAD TO LOCALIZED FLOODING...ESPECIALLY IF THE
HEAVIEST RAIN FALLS OVER URBAN OR OTHER POOR DRAINAGE LOCATIONS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ012>017-030>032-102-VAZ091>098-161800-
NORTHAMPTON NC-HERTFORD-GATES-PASQUOTANK-CAMDEN-INLAND CURRITUCK-
BERTIE-CHOWAN-PERQUIMANS-OUTER BANKS CURRITUCK-YORK-SOUTHAMPTON-
ISLE OF WIGHT-NEWPORT NEWS/HAMPTON-NORFOLK/PORTSMOUTH-SUFFOLK-
CHESAPEAKE-VIRGINIA BEACH-
151 PM EDT TUE JUL 15 2014

...SEVERE THUNDERSTORM WATCH 423 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL NORTHEAST NORTH
CAROLINA...INTERIOR NORTHEAST NORTH CAROLINA...THE NORTHERN OUTER
BANKS OF NORTH CAROLINA...INTERIOR SOUTHEAST VIRGINIA...SOUTH
HAMPTON ROADS VIRGINIA AND THE PENINSULA OF 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.

THUNDERSTORMS ARE EXPECTED LATER THIS AFTERNOON AND EVENING AS A
COLD FRONT CROSSES THE AREA. SOME OF THE STRONGER STORMS MAY
PRODUCE DAMAGING WINDS. IN ADDITION...THUNDERSTORMS WILL CONTAIN
HEAVY RAIN...WHICH COULD LEAD TO LOCALIZED FLOODING...ESPECIALLY
IF THE HEAVIEST RAIN FALLS OVER URBAN OR OTHER POOR DRAINAGE
LOCATIONS. HEAT INDEX VALUES WILL LIKELY REACH 100 TO 104 THIS
AFTERNOON PRIOR TO ANY THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

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, Jul 15, 2:11 PM EDT, 25 minutes before

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Special weather statement, Jul 15, 2:13 PM EDT, 23 minutes before

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Special weather statement, Jul 15, 2:16 PM EDT, 20 minutes before

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Special weather statement, Jul 15, 2:25 PM EDT, 11 minutes before

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Special weather statement, Jul 15, 2:32 PM EDT, 4 minutes before

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Special weather statement, Jul 15, 2:36 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
236 PM EDT TUE JUL 15 2014

VAZ064-151930-
CAROLINE-
236 PM EDT TUE JUL 15 2014

...STRONG THUNDERSTORMS WILL MOVE ACROSS CAROLINE COUNTY THROUGH 330
PM EDT...

AT 235 PM EDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM CORBIN TO 11 MILES WEST OF
CEDON...OR ALONG A LINE EXTENDING FROM 12 MILES SOUTH OF STAFFORD TO
11 MILES EAST OF MINERAL...MOVING EAST AT 30 MPH.

AREAS IMPACTED BY THESE STORMS INCLUDE
  GUINEA...
  CORBIN...AND
  PORT ROYAL.

HAZARDS INCLUDE...
GUSTY WINDS OF 30 TO 40 MPH.
DEADLY CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

SEEK SHELTER IN A NEARBY BUILDING OR VEHICLE. STRONG WINDS ARE
CAPABLE OF KNOCKING DOWN SMALL TREES AND BLOWING AROUND TRASH CANS...
POTTED PLANTS...LAWN FURNITURE AND OTHER LIGHT OUTDOOR OBJECTS.

LAT...LON 3825 7723 3824 7722 3823 7724 3820 7725
      3820 7722 3817 7718 3816 7712 3801 7762
      3825 7738 3825 7733 3824 7729 3823 7728
      3825 7727

DEROSA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 8:09 PM EDT	Special Weather Statement	AKQ	Richmond	21 min
Jul 14, 8:30 PM EDT	Special Weather Statement	AKQ	Essex, Richmond	60 min
Jul 14, 9:14 PM EDT	Special Weather Statement	AKQ	Chesterfield, Dinwiddie, Henrico, City of Colonial Heights, City of Hopewell, City of Petersburg and 1 more	61 min
Jul 14, 10:00 PM EDT	Special Weather Statement	AKQ	Mecklenburg	60 min
Jul 15, 2:03 PM EDT	Special Weather Statement	AKQ	Charles City, City of Hopewell, City of Petersburg	42 min
Jul 15, 2:11 PM EDT	Special Weather Statement	AKQ	Surry	49 min
Jul 15, 2:13 PM EDT	Special Weather Statement	AKQ	Northumberland	62 min
Jul 15, 2:25 PM EDT	Special Weather Statement	AKQ	James City, Middlesex	50 min
Jul 15, 2:32 PM EDT	Special Weather Statement	AKQ	City of Portsmouth	43 min
Jul 15, 2:36 PM EDT	Special Weather Statement	AKQ	Caroline	54 min
Jul 15, 2:41 PM EDT	Special Weather Statement	AKQ	Charles City, King and Queen, New Kent	34 min
Jul 15, 2:52 PM EDT	Special Weather Statement	AKQ	Surry, City of Williamsburg	23 min
Jul 15, 2:56 PM EDT	Special Weather Statement	AKQ	Amelia, Caroline, Hanover, Powhatan	64 min
Jul 15, 3:12 PM EDT	Special Weather Statement	AKQ	Gloucester, James City, Lancaster, Mathews, Middlesex, Northumberland and 2 more	63 min
Jul 15, 3:19 PM EDT	Special Weather Statement	AKQ	City of Suffolk	26 min
Jul 15, 3:20 PM EDT	Special Marine Warning	AKQ		70 min
Jul 15, 3:31 PM EDT	Special Weather Statement	AKQ	Lunenburg, Mecklenburg	59 min
Jul 15, 3:34 PM EDT	Special Weather Statement	AKQ	City of Chesapeake	41 min
Jul 15, 3:50 PM EDT	Severe Thunderstorm Warning	AKQ	Southampton, City of Franklin, City of Suffolk	40 min
Jul 15, 3:53 PM EDT	Special Weather Statement	AKQ	Essex, Hanover, King and Queen, King William, Richmond, Westmoreland and 1 more	67 min
Jul 15, 3:59 PM EDT	Special Weather Statement	AKQ	City of Virginia Beach	31 min
Jul 15, 4:04 PM EDT	Special Marine Warning	AKQ		86 min
Jul 15, 4:10 PM EDT	Special Weather Statement	AKQ	Southampton	50 min
Jul 15, 4:14 PM EDT	Severe Thunderstorm Warning	AKQ	City of Virginia Beach	31 min
Jul 15, 4:20 PM EDT	Special Weather Statement	AKQ	Brunswick, Lunenburg, Mecklenburg	40 min
Jul 15, 4:21 PM EDT	Areal Flood Advisory	AKQ	City of Chesapeake, City of Norfolk, City of Virginia Beach	2 hr
Jul 15, 4:21 PM EDT	Special Marine Warning	AKQ		54 min
Jul 15, 4:24 PM EDT	Special Weather Statement	AKQ	City of Franklin	51 min
Jul 15, 4:26 PM EDT	Special Weather Statement	AKQ	Chesterfield, Nottoway, City of Richmond	34 min
Jul 15, 4:41 PM EDT	Special Weather Statement	AKQ	Henrico, New Kent	19 min
Jul 15, 4:46 PM EDT	Special Weather Statement	AKQ	York, City of Newport News	44 min
Jul 15, 4:52 PM EDT	Special Weather Statement	AKQ	Charles City, Essex, Henrico, James City, King and Queen, King William and 10 more	53 min
Jul 15, 4:56 PM EDT	Special Weather Statement	AKQ	Brunswick, Chesterfield, Dinwiddie, Greensville, Sussex, City of Emporia	64 min
Jul 15, 5:06 PM EDT	Special Weather Statement	AKQ	Greensville, Sussex, City of Emporia	54 min
Jul 15, 5:10 PM EDT	Severe Thunderstorm Warning	AKQ	Brunswick, Greensville	35 min
Jul 15, 5:15 PM EDT	Special Marine Warning	AKQ		60 min
Jul 15, 5:25 PM EDT	Areal Flood Advisory	AKQ	Brunswick, Mecklenburg	3 hr
Jul 15, 5:48 PM EDT	Special Weather Statement	AKQ	Charles City, James City, King and Queen, Lancaster, Middlesex, New Kent and 6 more	72 min
Jul 15, 5:51 PM EDT	Special Weather Statement	AKQ	Brunswick, Dinwiddie, Sussex	54 min
Jul 15, 5:52 PM EDT	Special Marine Warning	AKQ		83 min
Jul 15, 6:03 PM EDT	Areal Flood Advisory	AKQ	Charles City, Gloucester, James City, King and Queen, King William, Middlesex and 5 more	3 hr
Jul 15, 6:10 PM EDT	Areal Flood Advisory	AKQ	Lancaster, Middlesex, Northumberland	3 hr
Jul 15, 6:11 PM EDT	Areal Flood Advisory	AKQ	Charles City, Gloucester, James City, King and Queen, King William, Middlesex and 5 more	3 hr
Jul 15, 7:58 PM EDT	Special Weather Statement	AKQ	Louisa	62 min
Jul 15, 2:37 PM EDT	Special Weather Statement	AKQ	Bertie, Gates, Hertford	38 min
Jul 15, 2:46 PM EDT	Special Weather Statement	AKQ	Chowan, Pasquotank, Perquimans	44 min
Jul 15, 3:15 PM EDT	Special Weather Statement	AKQ	Camden, Pasquotank	45 min
Jul 15, 3:27 PM EDT	Special Weather Statement	AKQ	Gates	48 min
Jul 15, 3:45 PM EDT	Areal Flood Advisory	AKQ	Bertie	3 hr
Jul 14, 8:01 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester, Wicomico	29 min
Jul 14, 8:33 PM EDT	Special Weather Statement	AKQ	Wicomico	57 min
Jul 14, 9:22 PM EDT	Special Weather Statement	AKQ	Somerset	8 min
Jul 14, 9:32 PM EDT	Special Weather Statement	AKQ	Somerset, Wicomico	58 min
Jul 15, 2:16 PM EDT	Special Weather Statement	AKQ	Dorchester	59 min
Jul 15, 3:18 PM EDT	Special Weather Statement	AKQ	Dorchester	42 min
Jul 15, 3:55 PM EDT	Special Weather Statement	AKQ	Somerset	65 min
Jul 15, 5:11 PM EDT	Special Weather Statement	AKQ	Wicomico, Worcester	64 min
Jul 15, 6:25 PM EDT	Special Weather Statement	AKQ	Wicomico, Worcester	65 min
Jul 15, 7:08 PM EDT	Special Weather Statement	AKQ	Wicomico	22 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2014 Every severe thunderstorm warning in 2014

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.