Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Wakefield, VA

August 1, 2012Bertie County, North Carolina

NWS Wakefield, VA issued this special weather statement at Aug 1, 2012, 2:39 PM EDT for Bertie County, North Carolina. It was in force for 36 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 1, 2012, 2:39 PM EDT (18:39 UTC)
Expired
Aug 1, 2012, 3:15 PM EDT
In force
36 min
Issued by
NWS Wakefield, VA

County Bertie County, NC

The radar

The Norfolk radar (KAKQ), 102 km from the middle of the area, began a volume at 18:40 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

Newport, NC (KMHX), launched 12:00Z, 6.7 hours before the alert went out and 144 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, Newport, NC at 12:00Z on 2012-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1018 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, Newport, NC at 12:00Z on 2012-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
1018 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
762 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 1, 1:43 PM EDT, 56 minutes earlier.

Area forecast discussion, Aug 1, 1:43 PM EDT, 56 minutes before
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Hazardous weather outlook, Aug 1, 3:31 AM EDT, 11 hours 8 minutes before
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In the hours before

Special weather statement, Aug 1, 10:59 AM EDT, 3 hours 40 minutes before
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Special weather statement, Aug 1, 11:29 AM EDT, 3 hours 10 minutes before
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Local storm report, Aug 1, 11:46 AM EDT, 2 hours 53 minutes before
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Special weather statement, Aug 1, 12:20 PM EDT, 2 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1220 PM EDT WED AUG 1 2012

NCZ014>017-031-032-VAZ095>098-011700-
CAMDEN NC-CHESAPEAKE VA-CHOWAN NC-GATES NC-NORFOLK/PORTSMOUTH
VA-PASQUOTANK NC-PERQUIMANS NC-SUFFOLK VA-VIRGINIA BEACH VA-WESTERN
CURRITUCK NC-
1220 PM EDT WED AUG 1 2012

...THUNDERSTORMS DEVELOPING ACROSS SOUTHEAST VIRGINIA...

AT 1219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
DEVELOPING LINE OF THUNDERSTORMS FROM CAPE HENRY TO SUNBURY...OR
FROM 6 MILES NORTHWEST OF VIRGINIA BEACH TO SUNBURY...MOVING
SOUTHEAST AT 10 MPH. THE THUNDERSTORMS WILL BE NEAR...
  LYNNHAVEN AROUND 1240 PM EDT...
  SUNBURY AROUND 1245 PM EDT...
  VIRGINIA BEACH AROUND 1255 PM EDT...
  FENTRESS AROUND 100 PM EDT...

EXPECT WIND GUSTS UP TO 40 MPH AND LOCALLY HEAVY DOWNPOURS IN THE
PATH OF THESE STORMS. IF YOU HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING. MOVE INTO A SAFE SHELTER BEFORE THESE STORMS
REACH YOUR AREA. REMAIN INDOORS UNTIL THE STORMS HAVE PASSED.

LAT...LON 3625 7652 3646 7685 3694 7617 3692 7608
      3694 7600 3692 7597 3690 7598 3679 7596
      3670 7591 3671 7591 3667 7590 3665 7596
      3662 7598

44
Special weather statement, Aug 1, 1:05 PM EDT, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
105 PM EDT WED AUG 1 2012

MDZ024-025-VAZ099-011730-
ACCOMACK VA-INLAND WORCESTER MD-MARYLAND BEACHES MD-
105 PM EDT WED AUG 1 2012

...THUNDERSTORMS APPROACHING OCEAN CITY...

AT 104 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF THUNDERSTORMS FROM NEWARK TO 6 MILES SOUTHWEST OF
CHINCOTEAGUE...OR FROM 11 MILES SOUTHWEST OF OCEAN CITY TO 6 MILES
SOUTHWEST OF CHINCOTEAGUE...MOVING EAST AT 15 MPH. THE THUNDERSTORMS
WILL BE NEAR...
  OCEAN CITY MUNICIPALITY AROUND 120 PM EDT...

RAINFALL RATES OF ONE TO TWO INCHES PER HOUR WILL CAUSE PONDING OF
WATER ON ROADWAYS...AND POSSIBLE LOCALIZED FLOODING IN LOW LYING AND
FLOOD PRONE AREAS.

LAT...LON 3819 7515 3811 7517 3798 7527 3787 7534
      3785 7538 3788 7541 3784 7547 3778 7553
      3833 7528 3833 7507

44
Special weather statement, Aug 1, 2:39 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
239 PM EDT WED AUG 1 2012

NCZ030-011915-
BERTIE NC-
239 PM EDT WED AUG 1 2012

...THUNDERSTORM PRODUCING HEAVY RAINFALL ACROSS BERTIE COUNTY...

AT 238 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER LEWISTON WOODVILLE...OR ABOUT 6 MILES SOUTH
OF AULANDER...MOVING EAST AT 10 TO 15 MPH. THE STRONG THUNDERSTORMS
WILL BE NEAR BURDEN AT 245 PM EDT...REPUBLICAN AT 255 PM EDT...BUENA
VISTA...AND...ASKEWVILLE AT 315 PM EDT.

RAINFALL RATES OF ONE TO TWO INCHES PER HOUR WILL CAUSE PONDING OF
WATER ON ROADWAYS...AND POSSIBLE LOCALIZED FLOODING IN LOW LYING AND
FLOOD PRONE AREAS.

LAT...LON 3608 7724 3623 7718 3621 7682 3589 7693
      3589 7695

44

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 12:17 AM EDTSpecial Weather StatementAKQCumberland, Goochland, Louisa, Powhatan43 min
Aug 1, 4:14 AM EDTSpecial Weather StatementAKQCity of Suffolk31 min
Aug 1, 5:11 AM EDTSpecial Weather StatementAKQAccomack94 min
Aug 1, 6:40 AM EDTSpecial Marine WarningAKQ35 min
Aug 1, 6:51 AM EDTSpecial Marine WarningAKQ39 min
Aug 1, 11:34 AM EDTTornado WarningAKQAccomack26 min
Aug 1, 12:20 PM EDTSpecial Weather StatementAKQCity of Chesapeake, City of Virginia Beach40 min
Aug 1, 12:31 PM EDTAreal Flood AdvisoryAKQAccomack59 min
Aug 1, 12:39 PM EDTSpecial Marine WarningAKQ81 min
Aug 1, 12:51 PM EDTAreal Flood AdvisoryAKQCity of Virginia Beach69 min
Aug 1, 1:32 PM EDTSpecial Marine WarningAKQ43 min
Aug 1, 1:56 PM EDTTornado WarningAKQAccomack34 min
Aug 1, 2:01 PM EDTSpecial Marine WarningAKQ44 min
Aug 1, 6:07 PM EDTSpecial Weather StatementAKQLunenburg53 min
Aug 1, 6:12 PM EDTSevere Thunderstorm WarningAKQLunenburg, Nottoway, Prince Edward33 min
Aug 1, 6:49 PM EDTSpecial Weather StatementAKQLunenburg56 min
Aug 1, 7:45 PM EDTSpecial Weather StatementAKQLunenburg45 min
Aug 1, 10:59 AM EDTSpecial Weather StatementAKQBertie, Camden, Chowan, Pasquotank, Perquimans76 min
Aug 1, 3:29 PM EDTAreal Flood AdvisoryAKQBertie99 min
Aug 1, 4:15 AM EDTSpecial Weather StatementAKQDorchester, Wicomico90 min
Aug 1, 11:29 AM EDTSpecial Weather StatementAKQWorcester76 min
Aug 1, 1:05 PM EDTSpecial Weather StatementAKQWorcester25 min

Nearby

Special Weather Statements in North Carolina, 2012Every special weather statement in 2012

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.