Alert archive / North Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 21, NWS Raleigh, NC

April 19, 20134 counties in North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 19, 2013, 6:14 PM EDT for 4 counties in North Carolina. It was in force for 61 min. 15 reports 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
Apr 19, 2013, 6:14 PM EDT (22:14 UTC)
Expired
Apr 19, 2013, 7:15 PM EDT
In force
61 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon

Counties Franklin County, NC, Vance County, NC, Wake County, NC, Warren County, NC

The radar

The Raleigh/Durham radar (KRAX), 44 km from the middle of the area, began a volume at 22:18 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

TimeReportWhereRemark
Apr 19, 6:30 PM EDTTSTM WND GST 712 N Holly Springs, NCANEMOMETER-MEASURED GUST AT I-540 ONRAMP.
Apr 19, 6:35 PM EDTTSTM WND DMG1 E Kerr Lake, NCTEN-INCH DIAMETER TREE DOWN IN ROAD.
Apr 19, 6:35 PM EDTTSTM WND DMG1 Nnw Fuquay-Varina, NCTWO SIX-INCH DIAMETER LIMBS DOWN NEAR FUQUAY VARINA HIGH SCHOOL.
Apr 19, 6:35 PM EDTTSTM WND DMG4 Nw Apex, NCTREES DOWN AT TWO HOMES NEAR THE INTERSECTION OF JENKS AND HIGHWAY 55.
Apr 19, 6:36 PM EDTTSTM WND DMG2 E Holly Springs, NCONE TREE WAS REPORTED DOWN ALONG RIDGESTON PLACE NEAR KINDERSTON DRIVE.
Apr 19, 6:36 PM EDTTSTM WND DMG2 Sw Cary, NC8-10 INCH TREE DOWN.
Apr 19, 6:36 PM EDTTSTM WND DMG3 Ene Holly Springs, NCTREES AND POWER LINES WERE REPORTED DOWN ALONG PIERCE OLIVE ROAD NEAR OLIVE TREE LANE.
Apr 19, 6:43 PM EDTTSTM WND DMG4 Sw Raleigh, NCTREE DOWN ACROSS THE ROAD AND BLOCKING 1 LANE. INTERSECTION OF GORMAN AND KAPLAN.
Apr 19, 6:44 PM EDTTSTM WND GST 574 Ne Rdu International, NC
Apr 19, 6:45 PM EDTTSTM WND DMG4 Wnw Raleigh, NCA 70-FOOT TALL PINE TREE SNAPPED AT ITS BASE AND LANDED ACROSS A DRIVEWAY.
Apr 19, 6:45 PM EDTTSTM WND GST 59Rdu International Airpo, NCRDU INTERNATIONAL AIRPORT REPORTED A PEAK WIND GUST OF 59 MPH AT 645 PM.
Apr 19, 6:50 PM EDTTSTM WND DMG3 S Apex, NCA FOUR-INCH DIAMETER TREE TOP BROKEN OFF.
Apr 19, 6:55 PM EDTTSTM WND DMG3 Nne Cary, NCTREE DOWN ON A HOUSE.
Apr 19, 7:10 PM EDTTSTM WND DMGN Franklinton, NCPUBLIC REPORT VIA NWS RALEIGH FACEBOOK PAGE OF NUMEROUS TREES DOWN...SOME ON POWER LINES...IN THE TOWN OF FRANKLINTON.
Apr 19, 7:20 PM EDTTSTM WND DMG2 Ne Cary, NCTREE DOWN ON A HOUSE AND THROUGH THE ROOF.

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.

IssuedProductOfficeLasted
Apr 19, 2:00 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.2 hours before the alert went out and 123 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, Greensboro/Hi Pt, NC at 12:00Z on 2013-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2013-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 243 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
58 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
567 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
243 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

563 
WUUS52 KRAH 192214
SVRRAH
NCC069-181-183-185-192315-
/O.NEW.KRAH.SV.W.0021.130419T2214Z-130419T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
614 PM EDT FRI APR 19 2013

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FRANKLIN COUNTY IN CENTRAL NORTH CAROLINA
  VANCE COUNTY IN CENTRAL NORTH CAROLINA
  WAKE COUNTY IN CENTRAL NORTH CAROLINA
  WARREN COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 715 PM EDT

* AT 613 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
A LINE OF SEVERE THUNDERSTORMS RACING NORTHEAST AT 50 MPH INTO 
WAKE... FRANKLIN AND VANCE COUNTIES. WINDS TO 65 MPH AND VERY HEAVY 
RAIN WILL ACCOMPANY THIS LINE. 

* LOCATIONS IMPACTED INCLUDE...
  NEW HILL...HOLLY SPRINGS...
  APEX...
  CARY...LAKE WHEELER...
  RDU INTERNATIONAL...
  RALEIGH...NEW HOPE...
  FALLS LAKE...

THIS INCLUDES INTERSTATE 40 BETWEEN EXITS 284 AND 306.

THIS INCLUDES INTERSTATE 85 BETWEEN EXITS 209 AND 233.

THIS INCLUDES INTERSTATE 540 BETWEEN EXITS 2 AND 26.

THIS INCLUDES INTERSTATE 440 BETWEEN EXITS 1 AND 16.

THIS INCLUDES US HIGHWAY 1 BETWEEN EXITS 89 AND 101.

THIS INCLUDES HIGHWAY 264 BETWEEN EXITS 419 AND 429.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS PASSED. STAY 
AWAY FROM WINDOWS AS FLYING DEBRIS GENERATED BY DAMAGING WINDS CAN 
BE DEADLY.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. BE PREPARED TO MOVE QUICKLY TO AN INTERIOR ROOM OF A SAFE
SHELTER IF YOU HEAR OR SEE A TORNADO.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR
CENTRAL NORTH CAROLINA.

&&

LAT...LON 3655 7790 3633 7793 3582 7826 3571 7847
      3552 7871 3560 7898 3586 7891 3587 7883
      3593 7881 3592 7876 3598 7871 3607 7875
      3608 7868 3602 7854 3609 7854 3617 7850
      3652 7849 3655 7845
TIME...MOT...LOC 2213Z 226DEG 46KT 3561 7895

$$

PWB
3 follow-up statements
364 
WWUS52 KRAH 192232
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
632 PM EDT FRI APR 19 2013

NCC069-181-183-185-192315-
/O.CON.KRAH.SV.W.0021.000000T0000Z-130419T2315Z/
FRANKLIN NC-VANCE NC-WAKE NC-WARREN NC-
632 PM EDT FRI APR 19 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR WARREN...WAKE...VANCE AND FRANKLIN COUNTIES...

AT 629 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF SEVERE THUNDERSTORMS PRODUCING DAMAGING WINDS TO 
NEAR 65 MPH. THIS LINE OF DAMAGING WINDS AND VERY HEAVY RAIN WILL 
MOVE ACROSS ALL OF WAKE... FRANKLIN... VANCE... AND WARREN COUNTIES 
THROUGH 715 PM. THIS INCLUDES CARY... HOLLY SPRINGS... APEX... 
RALEIGH... RDU INTERNATIONAL... GARNER... WAKE FOREST... 
LOUISBURG... HENDERSON AND WARRENTON. 

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

STRAIGHT LINE WINDS CAN BLOW DOWN TREES...POWER LINES...AND DAMAGE
MOBILE HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED. STAY AWAY FROM WINDOWS AS FLYING DEBRIS
GENERATED BY DAMAGING WINDS CAN BE DEADLY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR
CENTRAL NORTH CAROLINA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 300 AM EDT SATURDAY MORNING FOR CENTRAL NORTH CAROLINA.

LAT...LON 3655 7790 3633 7793 3582 7826 3571 7847
      3552 7871 3560 7898 3586 7891 3587 7883
      3593 7881 3592 7876 3598 7871 3607 7875
      3608 7868 3602 7854 3609 7854 3617 7850
      3652 7849 3655 7845
TIME...MOT...LOC 2229Z 231DEG 35KT 3564 7885

$$

PWB
773 
WWUS52 KRAH 192241
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
641 PM EDT FRI APR 19 2013

NCC069-181-183-185-192315-
/O.CON.KRAH.SV.W.0021.000000T0000Z-130419T2315Z/
FRANKLIN NC-VANCE NC-WAKE NC-WARREN NC-
641 PM EDT FRI APR 19 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR WARREN...WAKE...VANCE AND FRANKLIN COUNTIES...

AT 638 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 12 MILES NORTH OF RDU INTERNATIONAL TO
RDU INTERNATIONAL TO 6 MILES SOUTHWEST OF GARNER...OR ALONG A LINE
EXTENDING FROM 7 MILES NORTHEAST OF DURHAM TO CARY TO 13 MILES
SOUTHEAST OF CARY...MOVING NORTHEAST AT 70 MPH.

HAZARDS IN THE WARNING INCLUDE...
DESTRUCTIVE WINDS UP TO 70 MPH.

STRAIGHT LINE WINDS CAN BLOW DOWN TREES...POWER LINES...AND DAMAGE
MOBILE HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED. STAY AWAY FROM WINDOWS AS FLYING DEBRIS
GENERATED BY DAMAGING WINDS CAN BE DEADLY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR
CENTRAL NORTH CAROLINA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 300 AM EDT SATURDAY MORNING FOR CENTRAL NORTH CAROLINA.

LAT...LON 3633 7793 3582 7826 3571 7847 3552 7871
      3576 7894 3580 7893 3586 7891 3587 7883
      3593 7880 3592 7876 3595 7873 3601 7870
      3607 7875 3608 7869 3602 7854 3609 7854
      3617 7850 3652 7849 3655 7845 3655 7790
TIME...MOT...LOC 2240Z 231DEG 61KT 3606 7879 3586 7875
          3564 7864

$$

VINCENT
664 
WWUS52 KRAH 192303
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
703 PM EDT FRI APR 19 2013

NCC069-181-183-185-192315-
/O.CON.KRAH.SV.W.0021.000000T0000Z-130419T2315Z/
FRANKLIN NC-VANCE NC-WAKE NC-WARREN NC-
703 PM EDT FRI APR 19 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR WARREN...EASTERN WAKE...VANCE AND FRANKLIN COUNTIES...

AT 702 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS.  THESE STORMS WERE LOCATED 
ALONG A LINE EXTENDING FROM FALLS LAKE TO TO WENDELL...OR ALONG A 
LINE EXTENDING FROM 7 MILES SOUTH OF OXFORD TO 12 MILES SOUTHEAST OF 
CREEDMOOR TO 10 MILES EAST OF RALEIGH...MOVING NORTHEAST AT 50 MPH.

THIS INCLUDES INTERSTATE 40 BETWEEN EXITS 301 AND 306.

THIS INCLUDES INTERSTATE 85 BETWEEN EXITS 209 AND 233.

THIS INCLUDES INTERSTATE 540 BETWEEN EXITS 14 AND 26.

THIS INCLUDES INTERSTATE 440 BETWEEN EXITS 11 AND 16.

THIS INCLUDES HIGHWAY 264 BETWEEN EXITS 419 AND 429.

A WIND GUST TO 59 MPH WAS REPORTED AT THE RALEIGH-DURHAM 
INTERNATIONAL AIRPORT AT 655 PM. 

STRAIGHT LINE WINDS CAN BLOW DOWN TREES...POWER LINES...AND DAMAGE
MOBILE HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED. STAY AWAY FROM WINDOWS AS FLYING DEBRIS
GENERATED BY DAMAGING WINDS CAN BE DEADLY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR
CENTRAL NORTH CAROLINA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 300 AM EDT SATURDAY MORNING FOR CENTRAL NORTH CAROLINA.

LAT...LON 3633 7793 3582 7826 3571 7847 3553 7872
      3569 7871 3575 7861 3593 7862 3596 7869
      3597 7863 3598 7871 3601 7870 3607 7875
      3608 7868 3602 7854 3609 7854 3617 7850
      3652 7849 3655 7845 3655 7790
TIME...MOT...LOC 2302Z 231DEG 61KT 3629 7843 3609 7839
          3587 7828

$$

PWB

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 2:37 PM EDTSpecial Weather StatementRAHDavidson38 min
Apr 19, 3:22 PM EDTSpecial Weather StatementRAHGuilford53 min
Apr 19, 3:30 PM EDTTornado WarningRAHAlamance, Orange30 min
Apr 19, 3:39 PM EDTTornado WarningRAHGuilford36 min
Apr 19, 3:42 PM EDTSpecial Weather StatementRAHDavidson33 min
Apr 19, 3:53 PM EDTTornado WarningRAHDurham, Orange, Person37 min
Apr 19, 3:55 PM EDTSevere Thunderstorm WarningRAHDavidson, Guilford, Randolph35 min
Apr 19, 4:21 PM EDTTornado WarningRAHGranville24 min
Apr 19, 4:31 PM EDTSevere Thunderstorm WarningRAHGuilford, Randolph44 min
Apr 19, 4:34 PM EDTSevere Thunderstorm WarningRAHAnson, Stanly56 min
Apr 19, 4:57 PM EDTSevere Thunderstorm WarningRAHChatham, Randolph48 min
Apr 19, 5:06 PM EDTSevere Thunderstorm WarningRAHAlamance, Guilford, Orange39 min
Apr 19, 5:12 PM EDTSpecial Weather StatementRAHGranville, Person63 min
Apr 19, 5:14 PM EDTSevere Thunderstorm WarningRAHMontgomery, Moore, Richmond61 min
Apr 19, 5:28 PM EDTTornado WarningRAHChatham, Moore, Randolph32 min
Apr 19, 5:44 PM EDTSevere Thunderstorm WarningRAHAlamance, Chatham, Durham, Granville, Lee, Moore and 3 more46 min
Apr 19, 5:45 PM EDTSevere Thunderstorm WarningRAHCumberland, Harnett, Hoke, Scotland60 min
Apr 19, 6:30 PM EDTSevere Thunderstorm WarningRAHChatham, Durham, Granville, Lee, Orange, Vance and 1 more15 min
Apr 19, 6:45 PM EDTSevere Thunderstorm WarningRAHCumberland, Harnett, Hoke, Johnston, Scotland60 min
Apr 19, 6:55 PM EDTSevere Thunderstorm WarningRAHDurham, Granville35 min
Apr 19, 7:14 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Halifax, Nash, Wilson46 min
Apr 19, 7:18 PM EDTSevere Thunderstorm WarningRAHFranklin, Vance, Warren57 min
Apr 19, 7:42 PM EDTSevere Thunderstorm WarningRAHCumberland, Harnett, Johnston, Sampson, Wayne63 min
Apr 19, 7:52 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Halifax, Nash, Wilson53 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2013Every severe thunderstorm warning in 2013

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.