Alert archive / North Carolina / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 30, NWS Raleigh, NC

May 12, 2001Harnett County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 12, 2001, 9:33 PM EDT for Harnett County, North Carolina. It was in force for 27 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: May 12, 2001, 9:33 PM EDT (01:33 UTC)
Expired: May 12, 2001, 10:00 PM EDT
In force: 27 min
Issued by: NWS Raleigh, NC
Area: Whole counties

County Harnett County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.6 hours before the alert went out and 122 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: 101 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1409 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -37 m²/s²
0-3 km storm-relative helicity: -39 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.

022 
WUUS52 KRAH 130134
SVRRAH
NCC085-130200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
933 PM EDT SAT MAY 12 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HARNETT COUNTY IN NORTH CAROLINA

* UNTIL 1000 PM EDT

* AT 933 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER LILLINGTON...MOVING SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ERWIN-DUNN AT 950 PM EDT

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL.

HAIL UP TO ONE INCH IN DIAMETER IS EXPECTED FROM THIS STORM. IF YOU
ARE IN THE STORMS PATH...SEEK SHELTER INDOORS.

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 Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at May 12, 9:25 PM EDT, 8 minutes earlier.

Area forecast discussion, May 12, 9:25 PM EDT, 8 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RALEIGH NC
925 PM EDT SAT MAY 12 2001

BAND OF ISOLATED SHOWERS AND STORMS PUSHING THROUGH THE SOUTHERN
PIEDMONT AND SANDHILLS... EXTENDING FROM WAKE COUNTY THROUGH MOORE
AND STANLY COUNTIES. ISOLATED STRONG TO SEVERE CELLS CONTINUE TO
DEVELOP IN SECOND BAND OVER HARNETT TO SRN JOHNSTON COUNTY... &
THESE STORMS HAVE BEEN ISOLATED ENOUGH AND HAVE HAD JUST ENOUGH MID
LEVEL SHEAR TO ALLOW FOR SUSTAINED UPDRAFTS SUFFICIENT TO PRODUCE
DIME TO NICKEL SIZE HAIL IN THE LAST HOUR... DESPITE DECREASED
INSTABILITY AFTER SUNDOWN. WILL MONITOR PROGRESS & EXTENT OF
ACTIVITY THIS EVENING... OTHERWISE WILL UPDATE ZONES BY 11 PM TO
REMOVE EVENING WORDING. LATEST SURFACE MAP SHOWS COLD FRONT OVER
NORTHWEST CORNER OF THE CWA... AND WITH ITS PASSAGE OVERNIGHT A
GENERAL DECREASE IN MID LEVEL CLOUDS IS EXPECTED. LOW TEMPS TRICKY
WITH FRONTAL PASSAGE... & AT THIS TIME SEE NO GOOD REASON TO CHANGE
THE CURRENT NUMBERS. NO OTHER CHANGES ANTICIPATED.

.RAH...NONE.

HARTFIELD

In the hours before

Local storm report, May 12, 5:06 PM EDT, 4 hours 27 minutes before

ZCZC RDULSRRAH 000
TTAA00 KRDU DDHHMM

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
506 PM EDT SAT MAY 12 2001

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMA>RKS...
           ....COUNTY LOCATION....

0445 PM    BUNN                      NC   1.75 INCH HAIL
05/12/01   FRANKLIN                       REPORTED BY FRANKLIN
                                          COUNTY 911.

Local storm report, May 12, 5:21 PM EDT, 4 hours 12 minutes before

ZCZC RDULSRRAH 000
TTAA00 KRDU DDHHMM

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
521 PM EDT SAT MAY 12 2001

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0518 PM    AUTRYVILLE                NC   .75 INCH HAIL
05/12/01   SAMPSON                        ALONG THE
                                          SAMPSON/CUMBERLAND LINE.
                      p                    REPORTED BY SAMPSON COUNTY
                                          911.

Local storm report, May 12, 5:39 PM EDT, 3 hours 54 minutes before

ZCZC RDULSRRAH 000
TTAA00 KRDU DDHHMM

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
539 PM EDT SAT MAY 12 2001

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0525 PM    KINGSBORO                 NC   WIND DAMAGE
05/12/01   EDGECOMBE                      EDGECOMBE COUNTY 911
                                          REPORTED TREES AND POWER
             f                             LINES DOWN IN THE VICINITY
                                          OF US HWY 64.

Local storm report, May 12, 6:12 PM EDT, 3 hours 21 minutes before

ZCZC RDULSRRAH ALL
TTAA00 KRDU DDHHMM

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
612 PM EDT SAT MAY 12 2001

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0540 PM    ROCKY MT                  NC   WIND DAMAGE
05/12/01   EDGECOMBE                      EDGECOMBE COUNTY 911
                                          REPORTED ROOF DAMAGE ON A
                                          MOBIL HOME NEAR ARLINTON
                                          ST. IN ROCKY MOUNT.

Local storm report, May 12, 8:46 PM EDT, 47 minutes before

ZCZC RDULSRRAH ALL
TTAA00 KRDU DDHHMM

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
846 PM EDT SAT MAY 12 2001

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0832 PM    MONCURE                   NC   .75 INCH HAIL
05/12/01   CHATHAM                        DIME SIZE HAIL REPORTED BY
                                          CHATHAM COUNTY SHERIFF
       d                                   OFFICE.

Local storm report, May 12, 9:11 PM EDT, 22 minutes before

ZCZC RDULSRRAH ALL
TTAA00 KRDU DDHHMM

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
911 PM EDT SAT MAY 12 2001

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMAoRKS...
           ....COUNTY LOCATION....

0907 PM    DUNN                      NC   .88 INCH HAIL
05/12/01   HARNETT                        NICKEL SIZE HAIL REPORTED
                                          BY SPOTTER IN DUNN.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 8:11 PM EDT	Severe Thunderstorm Warning	RAH	Chatham	34 min
May 12, 8:58 PM EDT	Severe Thunderstorm Warning	RAH	Harnett	32 min
May 12, 10:03 PM EDT	Severe Thunderstorm Warning	RAH	Harnett	27 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2001 Every severe thunderstorm warning in 2001

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.