Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 76, NWS Raleigh, NC

May 15, 2012Nash County, Wilson County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 15, 2012, 5:38 PM EDT for Nash County, Wilson County, North Carolina. It was in force for 52 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 15, 2012, 5:38 PM EDT (21:38 UTC)
Expired: May 15, 2012, 6:30 PM EDT
In force: 52 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon

Counties Nash County, NC, Wilson County, NC

The radar

The Raleigh/Durham radar (KRAX), 48 km from the middle of the area, began a volume at 21:41 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 15, 5:56 PM EDT	HAIL 1	3 W Wilson, NC	QUARTER SIZE HAIL WAS REPORTED ALONG AIRPORT BLVD NEAR MERCH RD.

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 15, 3:13 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.6 hours before the alert went out and 141 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: 1713 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 580 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

412 
WUUS52 KRAH 152138
SVRRAH
NCC127-195-152230-
/O.NEW.KRAH.SV.W.0076.120515T2138Z-120515T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
538 PM EDT TUE MAY 15 2012

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WILSON COUNTY IN CENTRAL NORTH CAROLINA
  SOUTH CENTRAL NASH COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 630 PM EDT

* AT 537 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER LUCAMA...OR 20 MILES NORTH OF GOLDSBORO...
  MOVING NORTHEAST AT 15 MPH. QUARTER SIZED HAIL AND WINDS IN EXCESS
  OF 58 MPH ARE LIKELY WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  WILSON...
  NEW HOPE...
  ELM CITY...
  WILLBANKS...

THIS INCLUDES INTERSTATE 95 BETWEEN EXITS 116 AND 127.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LARGE HAIL WILL DAMAGE VEHICLES...WINDOWS AND SOME ROOFS. SEVERE
WINDS WILL BLOW DOWN TREES...POWER LINES...AND CAN DAMAGE MOBILE
HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE UNTIL
THE STORM HAS PASSED. STAY AWAY FROM WINDOWS.

THIS STORM IS PRODUCING LARGE HAIL CAPABLE OF BREAKING WINDOWS...
DAMAGING ROOFS AND DENTING VEHICLES. STAY INSIDE AWAY FROM WINDOWS
UNTIL THE STORM HAS PASSED.

THIS STORM WILL PRODUCE HEAVY RAINFALL...WHICH WILL FLOOD LOW LYING
AREAS SUCH AS DITCHES...UNDERPASSES AND OTHER AREAS OF POOR DRAINAGE.
AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. MOTORISTS SHOULD
ALSO REDUCE DRIVING SPEEDS TO AVOID HYDROPLANING.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING...1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW
ENFORCEMENT AGENCY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR CENTRAL NORTH CAROLINA.

&&

LAT...LON 3558 7786 3558 7800 3560 7805 3558 7806
      3561 7813 3568 7816 3587 7808 3587 7783
      3583 7775 3579 7774
TIME...MOT...LOC 2138Z 229DEG 14KT 3567 7800

$$

ELLIS

3 follow-up statements

903 
WWUS52 KRAH 152157
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
557 PM EDT TUE MAY 15 2012

NCC127-195-152230-
/O.CON.KRAH.SV.W.0076.000000T0000Z-120515T2230Z/
WILSON NC-NASH NC-
557 PM EDT TUE MAY 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTH CENTRAL NASH AND WILSON COUNTIES...

AT 555 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED NEAR
WILSON...OR 16 MILES SOUTH OF NASHVILLE...MOVING NORTHEAST AT 15 MPH.

HAZARDS IN THE WARNING INCLUDE...
QUARTER SIZED HAIL.
DAMAGING WINDS IN EXCESS OF 58 MPH.
HEAVY RAINFALL.

LOCATIONS IN THE PATH OF THE STORM INCLUDE... NEW HOPE...WILLBANKS...
ELM CITY AND SHARPSBURG.

THIS INCLUDES INTERSTATE 95 BETWEEN EXITS 116 AND 127.

LARGE HAIL WILL DAMAGE VEHICLES...WINDOWS AND SOME ROOFS. SEVERE
WINDS WILL BLOW DOWN TREES...POWER LINES...AND CAN DAMAGE MOBILE
HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE UNTIL
THE STORM HAS PASSED. STAY AWAY FROM WINDOWS.

THIS STORM IS PRODUCING LARGE HAIL CAPABLE OF BREAKING WINDOWS...
DAMAGING ROOFS AND DENTING VEHICLES. STAY INSIDE AWAY FROM WINDOWS
UNTIL THE STORM HAS PASSED.

THIS STORM WILL PRODUCE HEAVY RAINFALL...WHICH WILL FLOOD LOW LYING
AREAS SUCH AS DITCHES...UNDERPASSES AND OTHER AREAS OF POOR DRAINAGE.
AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. MOTORISTS SHOULD
ALSO REDUCE DRIVING SPEEDS TO AVOID HYDROPLANING.

WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR CENTRAL NORTH CAROLINA.

LAT...LON 3563 7783 3563 7802 3565 7810 3568 7816
      3587 7808 3587 7783 3583 7775 3581 7775
      3579 7774
TIME...MOT...LOC 2157Z 209DEG 15KT 3574 7796

$$

ELLIS

708 
WWUS52 KRAH 152205
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
605 PM EDT TUE MAY 15 2012

NCC127-195-152230-
/O.CON.KRAH.SV.W.0076.000000T0000Z-120515T2230Z/
WILSON NC-NASH NC-
605 PM EDT TUE MAY 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTH CENTRAL NASH AND CENTRAL WILSON COUNTIES...

AT 604 PM EDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM.  THIS
STORM WAS LOCATED NEAR NEW HOPE...OR 14 MILES SOUTH OF NASHVILLE...
MOVING NORTHEAST AT 15 MPH.

HAZARDS IN THE WARNING INCLUDE...
QUARTER SIZED HAIL.
DAMAGING WINDS IN EXCESS OF 58 MPH.
HEAVY RAIN.

LOCATIONS IN THE PATH OF THE STORM INCLUDE... WILLBANKS...ELM CITY
AND SHARPSBURG.

THIS INCLUDES INTERSTATE 95 BETWEEN EXITS 116 AND 127.

LARGE HAIL WILL DAMAGE VEHICLES...WINDOWS AND SOME ROOFS. SEVERE
WINDS WILL BLOW DOWN TREES...POWER LINES...AND CAN DAMAGE MOBILE
HOMES AND OTHER BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE UNTIL
THE STORM HAS PASSED. STAY AWAY FROM WINDOWS.

THIS STORM IS PRODUCING LARGE HAIL CAPABLE OF BREAKING WINDOWS...
DAMAGING ROOFS AND DENTING VEHICLES. STAY INSIDE AWAY FROM WINDOWS
UNTIL THE STORM HAS PASSED.

THIS STORM WILL PRODUCE HEAVY RAINFALL...WHICH WILL FLOOD LOW LYING
AREAS SUCH AS DITCHES...UNDERPASSES AND OTHER AREAS OF POOR DRAINAGE.
AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. MOTORISTS SHOULD
ALSO REDUCE DRIVING SPEEDS TO AVOID HYDROPLANING.

WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR CENTRAL NORTH CAROLINA.

LAT...LON 3567 7782 3566 7795 3567 7804 3571 7810
      3587 7808 3587 7783 3583 7775 3581 7775
      3579 7774
TIME...MOT...LOC 2205Z 209DEG 15KT 3577 7794

$$

ELLIS

989 
WWUS52 KRAH 152222
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
622 PM EDT TUE MAY 15 2012

NCC127-195-152232-
/O.EXP.KRAH.SV.W.0076.000000T0000Z-120515T2230Z/
WILSON NC-NASH NC-
622 PM EDT TUE MAY 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL NASH AND CENTRAL
WILSON COUNTIES EXPIRES AT 630 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND THE WARNING 
WILL BE ALLOWED TO EXPIRE.


IF YOU OBSERVED SEVERE WEATHER INCLUDING DAMAGING WINDS OR LARGE
HAIL...PLEASE CONTACT THE NATIONAL WEATHER SERVICE BY CALLING TOLL
FREE 1...8 7 7...6 3 3...6 7 7 2...OR NOTIFY YOUR NEAREST LAW
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN RALEIGH.

WHILE THE IMMEDIATE SEVERE WEATHER THREAT HAS DISSIPATED...ADDITIONAL
SEVERE WEATHER IS POSSIBLE DURING THE NEXT FEW HOURS. BE PREPARED TO
MOVE QUICKLY TO AN INTERIOR ROOM OF A SAFE SHELTER IF A WARNING IS
ISSUED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR CENTRAL NORTH CAROLINA.

LAT...LON 3567 7782 3566 7795 3567 7804 3571 7810
      3587 7808 3587 7783 3583 7775 3581 7775
      3579 7774
TIME...MOT...LOC 2222Z 209DEG 15KT 3583 7790

$$

ELLIS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 8:00 PM EDT	Areal Flood Warning	RAH	Forsyth	14 hr
May 14, 8:45 PM EDT	Flash Flood Warning	RAH	Davidson, Forsyth	3 hr
May 14, 8:59 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Forsyth, Guilford, Randolph	76 min
May 14, 10:48 PM EDT	Special Weather Statement	RAH	Anson, Montgomery, Moore, Stanly	57 min
May 14, 11:41 PM EDT	Areal Flood Advisory	RAH	Chatham, Randolph	72 min
May 15, 2:35 AM EDT	River Flood Warning	RAH	Davidson, Davie	30 hr
May 15, 2:44 PM EDT	Special Weather Statement	RAH	Wayne	46 min
May 15, 2:57 PM EDT	Flash Flood Watch	RAH	Davidson, Forsyth, Guilford	7 hr
May 15, 2:59 PM EDT	Special Weather Statement	RAH	Wayne	61 min
May 15, 3:45 PM EDT	Special Weather Statement	RAH	Wayne	60 min
May 15, 4:08 PM EDT	Special Weather Statement	RAH	Sampson	67 min
May 15, 4:44 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wayne	46 min
May 15, 5:25 PM EDT	Special Weather Statement	RAH	Johnston, Wayne	65 min
May 15, 6:29 PM EDT	Special Weather Statement	RAH	Edgecombe	46 min
May 15, 6:35 PM EDT	Special Weather Statement	RAH	Johnston	40 min
May 15, 7:25 PM EDT	Special Weather Statement	RAH	Franklin	65 min
May 15, 7:42 PM EDT	Severe Thunderstorm Warning	RAH	Franklin	48 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.