Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 21, NWS Wakefield, VA

May 23, 2012Bertie County, North Carolina

NWS Wakefield, VA issued this severe thunderstorm warning at May 23, 2012, 6:48 PM EDT for Bertie County, North Carolina. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 23, 2012, 6:48 PM EDT (22:48 UTC)
Expired: May 23, 2012, 7:30 PM EDT
In force: 42 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Bertie County, NC

The radar

The Norfolk radar (KAKQ), 116 km from the middle of the area, began a volume at 22:47 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.

What was reported inside it

Time	Report	Where	Remark
May 23, 7:05 PM EDT	HAIL 2	Quitsna, NC	GOLFBALL TO HEN EGG SIZE HAIL REPORTED BY THE PUBLIC.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 23, 1:44 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 10.8 hours before the alert went out and 130 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: 1227 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 677 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

828 
WUUS51 KAKQ 232248
SVRAKQ
NCC015-232330-
/O.NEW.KAKQ.SV.W.0021.120523T2248Z-120523T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
648 PM EDT WED MAY 23 2012

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BERTIE COUNTY IN NORTHEAST NORTH CAROLINA...

* UNTIL 730 PM EDT

* AT 643 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  WILLIAMSTON...AND MOVING NORTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL
  BERTIE COUNTY...INCLUDING THE FOLLOWING LOCATIONS QUITSNA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3587 7705 3590 7703 3594 7705 3592 7711
      3593 7718 3614 7724 3612 7686 3585 7701
      3585 7704
TIME...MOT...LOC 2248Z 184DEG 10KT 3588 7708
WIND...HAIL 60MPH 1.00IN

$$

GINGRICH

1 follow-up statement

843 
WWUS51 KAKQ 232311
SVSAKQ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
711 PM EDT WED MAY 23 2012

NCC015-232330-
/O.CON.KAKQ.SV.W.0021.000000T0000Z-120523T2330Z/
BERTIE NC-
711 PM EDT WED MAY 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL BERTIE
COUNTY UNTIL 730 PM EDT...

AT 705 PM EDT...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM WAS 7 
MILES SOUTHWEST OF WINDSOR...MOVING NORTH AT 10 MPH. THE STORM IS
CAPABLE OF PRODUCING WIND GUSTS UP TO 60 MPH AND QUARTER SIZED HAIL.  

LOCATIONS IMPACTED INCLUDE...
  WINDSOR...LEWISTON WOODVILLE...QUITSNA...REPUBLICAN...BUENA VISTA
  AND ASKEWVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3592 7704 3594 7705 3593 7709 3592 7713
      3593 7716 3614 7724 3612 7686 3590 7698
TIME...MOT...LOC 2309Z 184DEG 10KT 3596 7705
WIND...HAIL 60MPH 1.00IN

$$

44

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 6:40 PM EDT	Special Weather Statement	AKQ	Bertie	20 min
May 23, 7:01 PM EDT	Special Weather Statement	AKQ	Northampton	44 min
May 23, 7:30 PM EDT	Severe Thunderstorm Warning	AKQ	Bertie, Hertford	30 min
May 23, 7:59 PM EDT	Severe Thunderstorm Warning	AKQ	Gates, Hertford	46 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2012 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.