Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 27, NWS Wakefield, VA

April 25, 2014Camden County, Currituck County, North Carolina

NWS Wakefield, VA issued this severe thunderstorm warning at Apr 25, 2014, 8:26 PM EDT for Camden County, Currituck County, North Carolina. It was in force for 49 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
Apr 25, 2014, 8:26 PM EDT (00:26 UTC)
Expired
Apr 25, 2014, 9:15 PM EDT
In force
49 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Camden County, NC, Currituck County, NC

The radar

The Norfolk radar (KAKQ), 110 km from the middle of the area, began a volume at 00:29 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
Apr 25, 1:19 PM EDTTornado WatchSPC10 hr

The nearest sounding before it

Newport, NC (KMHX), launched 00:00Z, 0.4 hours before the alert went out and 191 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 00:00Z on 2014-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1841 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 00:00Z on 2014-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 301 square meters per square second.19395878Sfc1 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
1841 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
594 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
301 m²/s²
0-3 km storm-relative helicity
375 m²/s²
Significant tornado parameter
3.2
Supercell composite
14.3

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 Apr 25, 7:34 PM EDT, 52 minutes earlier.

Area forecast discussion, Apr 25, 7:34 PM EDT, 52 minutes before
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Hazardous weather outlook, Apr 25, 7:55 PM EDT, 31 minutes before
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In the hours before

Special weather statement, Apr 25, 6:08 PM EDT, 2 hours 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
608 PM EDT FRI APR 25 2014

VAZ063-064-070>078-082-083-085-090-252245-
CAROLINE-CHARLES CITY-CHESTERFIELD-ESSEX-HANOVER-HENRICO-JAMES
CITY-KING AND QUEEN-KING WILLIAM-LANCASTER-MIDDLESEX-NEW
KENT-NORTHUMBERLAND-RICHMOND-WESTMORELAND-
608 PM EDT FRI APR 25 2014

...SECOND ROUND OF SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS
CENTRAL AND EASTERN VIRGINIA...

AT 607 PM EDT...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS
WITH LOCALLY HEAVY RAIN ALONG A LINE EXTENDING FROM DUANE FORK TO
BEACH...OR ALONG A LINE EXTENDING FROM 9 MILES WEST OF SAINT
STEPHENS CHURCH TO 8 MILES EAST OF MOSELEY...MOVING EAST AT 50 MPH.

THE STRONG THUNDERSTORMS WILL BE NEAR
  CHESTER AROUND 615 PM EDT...
  SAINT STEPHENS CHURCH AROUND 620 PM EDT...
  TAPPAHANNOCK AROUND 630 PM EDT...
  WARSAW AROUND 635 PM EDT...
  PROVIDENCE FORGE AROUND 640 PM EDT...
  CENTER CROSS AROUND 645 PM EDT...

HEAVY RAINFALL AND MINOR FLOODING ARE POSSIBLE IN THE PATH OF THESE STORMS.

THESE STORMS WILL PRODUCE HEAVY RAINFALL...WHICH WILL CAUSE MINOR
FLOODING OF LOW LYING AREAS INCLUDING DITCHES...CREEKS...ROADWAYS AND
AREAS OF POOR DRAINAGE. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. MOTORISTS SHOULD ALSO REDUCE DRIVING SPEEDS TO AVOID
HYDROPLANING.

LAT...LON 3803 7650 3735 7688 3731 7775 3802 7712
      3805 7651

44
Local storm report, Apr 25, 6:23 PM EDT, 2 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
623 PM EDT FRI APR 25 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0615 PM     FLASH FLOOD      JACKSON                 36.39N  77.42W
04/25/2014                   NORTHAMPTON        NC   EMERGENCY MNGR

            NUMEROUS ROADS FLOODED AND IMPASSABLE AROUND JACKSON.

&&

EVENT NUMBER AKQ1400868

DAP
Local storm report, Apr 25, 6:52 PM EDT, 1 hour 34 minutes before
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Special weather statement, Apr 25, 7:03 PM EDT, 1 hour 23 minutes before
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Local storm report, Apr 25, 7:05 PM EDT, 1 hour 21 minutes before
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Special weather statement, Apr 25, 7:37 PM EDT, 49 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 8:30 PM EDTSpecial Marine WarningAKQ45 min
Apr 26, 7:37 PM EDTSmall Craft AdvisoryAKQ8 hr
Apr 25, 8:01 PM EDTTornado WarningAKQCamden, Currituck, Pasquotank, Perquimans29 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 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.