Alert archive / Maryland / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 90, NWS Wakefield, VA

July 2, 2014Dorchester County, Maryland

NWS Wakefield, VA issued this severe thunderstorm warning at Jul 2, 2014, 5:57 PM EDT for Dorchester County, Maryland. It was in force for 33 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 2, 2014, 5:57 PM EDT (21:57 UTC)
Expired
Jul 2, 2014, 6:30 PM EDT
In force
33 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 21:58 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.0 hours before the alert went out and 116 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, Phillips Aaf/Abe, MD at 12:00Z on 2014-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1420 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, Phillips Aaf/Abe, MD at 12:00Z on 2014-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.193958Sfc1 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
1420 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
901 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

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 2, 5:02 PM EDT, 55 minutes earlier.

Area forecast discussion, Jul 2, 5:02 PM EDT, 55 minutes before
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Hazardous weather outlook, Jul 2, 5:50 PM EDT, 7 minutes before
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In the hours before

Special weather statement, Jul 2, 4:46 PM EDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
446 PM EDT WED JUL 2 2014

VAZ074>076-022115-
ESSEX-RICHMOND-WESTMORELAND-
446 PM EDT WED JUL 2 2014

...A STRONG THUNDERSTORM WILL MOVE ACROSS WESTMORELAND...ESSEX AND
RICHMOND COUNTIES THROUGH 515 PM EDT...

AT 446 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
MONTROSS...MOVING NORTHEAST AT 25 MPH.

THE STRONG THUNDERSTORMS WILL BE NEAR CURRIOMAN LANDING...AND...MOUNT
HOLLY AT 455 PM EDT...ERICA AT 500 PM EDT...COLES POINT AT 510 PM
EDT.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 40 TO 50 MPH.
AN EXCESSIVE AMOUNT OF 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 3817 7674 3816 7662 3815 7660 3813 7659
      3811 7659 3798 7683 3807 7698 3817 7684
      3816 7682 3818 7676

DAP
Special weather statement, Jul 2, 5:21 PM EDT, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
521 PM EDT WED JUL 2 2014

VAZ075-022145-
WESTMORELAND-
521 PM EDT WED JUL 2 2014

...A STRONG THUNDERSTORM WILL MOVE ACROSS WESTMORELAND COUNTY THROUGH
545 PM EDT...

AT 521 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
MOUNT HOLLY...OR ABOUT 5 MILES EAST OF MONTROSS...MOVING NORTHEAST AT
20 MPH.

THE STRONG THUNDERSTORMS WILL BE NEAR COLES POINT AT 535 PM EDT.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 40 TO 50 MPH.
AN EXCESSIVE AMOUNT OF 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 3816 7660 3811 7659 3810 7656 3809 7655
      3807 7657 3800 7673 3811 7683 3817 7673
      3817 7668

DAP
Special weather statement, Jul 2, 5:28 PM EDT, 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
528 PM EDT WED JUL 2 2014

MDZ021-022230-
DORCHESTER-
528 PM EDT WED JUL 2 2014

...A STRONG THUNDERSTORM WILL MOVE ACROSS DORCHESTER COUNTY THROUGH
630 PM EDT...

AT 528 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
HONGA...OR ABOUT 8 MILES EAST OF COVE POINT...MOVING NORTHEAST AT 20
MPH.

THE STRONG THUNDERSTORMS WILL BE NEAR CHURCH CREEK AT 550 PM EDT...
BUCKTOWN AT 600 PM EDT...LINKWOOD AT 620 PM EDT.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 40 TO 50 MPH.
AN EXCESSIVE AMOUNT OF 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 3863 7595 3848 7582 3845 7584 3843 7582
      3841 7586 3830 7623 3831 7625 3832 7626
      3833 7628 3835 7626 3837 7629 3841 7629
      3847 7633 3859 7606 3858 7603

DAP

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 3:54 AM EDTSmall Craft AdvisoryAKQ25 hr
Jul 2, 11:15 AM EDTTropical Storm WarningAKQCity of Chesapeake, City of Virginia Beach51 hr
Jul 2, 4:46 PM EDTSpecial Weather StatementAKQWestmoreland29 min
Jul 2, 5:21 PM EDTSpecial Weather StatementAKQWestmoreland24 min
Jul 2, 5:15 AM EDTTropical Storm WatchAKQCamden, Currituck, Pasquotank, Perquimans6 hr
Jul 2, 5:28 PM EDTSpecial Weather StatementAKQDorchester62 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2014Every 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.