Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 30, NWS Raleigh, NC

April 17, 2000Johnston County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 17, 2000, 11:35 PM EDT for Johnston County, North Carolina. It was in force for 30 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 17, 2000, 11:35 PM EDT (03:35 UTC)
Expired: Apr 18, 2000, 12:05 AM EDT
In force: 30 min
Issued by: NWS Raleigh, NC
Area: Whole counties

County Johnston County, NC

What was reported inside it

Time	Report	Where	Remark
Apr 17, 11:40 PM EDT	Thunderstorm Wind 50 E	Clayton, NC	Large hail reported in Clayton and numerous trees down across the northern part of the county.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 17, 7:30 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.6 hours before the alert went out and 152 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: 365 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 1652 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 110 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.

000 
WUUS52 KRAH 180339 COR
SVRRDU
NCC101-180405-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTION TO TIMING
NATIONAL WEATHER SERVICE RALEIGH NC
1135 PM EDT MON APR 17 2000

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

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

* UNTIL 1205 AM EDT

* AT 1130 PM EDT...SPOTTERS INDICATED A SEVERE THUNDERSTORM SOUTH OF
  CLAYTON... MOVING EAST NORTHEAST NEAR 30 MPH.  THIS STORM WAS
  PART OF A LINE OF THUNDERSTORMS MOVING WEST TO EAST ACROSS
  JOHNSTON COUNTY.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WILSON MILLS BY 1140 PM EDT
  SMITHFIELD AND SELMA BY 1150 PM EDT
  KENLY BY 1205 PM EDT,

LARGE HAIL OR DAMAGING WINDS ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

RFG

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 Apr 17, 9:55 PM EDT, 1 hour 40 minutes earlier.

Area forecast discussion, Apr 17, 9:55 PM EDT, 1 hour 40 minutes before

AREA FORECAST DISCUSSION...UPDATE.
NATIONAL WEATHER SERVICE RALEIGH, NC
955 PM EDT MON APR 17 2000

...UPDATED FOR LINE ECHO WAVE PATTERN...

88-D INDICATES POSSIBLE LEWP FORMATION DURING THE PAST FEW MINUTES
OVER MOORE...CHATHAM... AND DURHAM COUNTIES MOVING RAPIDLY EAST.
THREAT FOR WIND DAMAGE WITH THIS.

THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT THROUGH 12 AM FOR
THE SOUTH HALF OF CENTRAL NORTH CAROLINA. SO FAR... WE HAVE HAD
REPORTS OF DIME SIZE HAIL ABOUT 900 PM FROM SEVERAL LOCATIONS AROUND
WADESBORO IN ANSON COUNTY AND MARBLE HAIL REPORTS FROM ELLERBE IN
RICHMOND COUNTY. FREQUENT LIGHTNING HAS BEEN CAUSING PROBLEMS AS
WELL. THE STORMS SEEM TO BE SPREADING OUT INTO AN MCS... HEAVY RAIN
PRODUCER.

THE UPPER LOW IS PROGRESSING SE OVER WESTERN NORTH CAROLINA AND WILL
DRIFT OVER THE CENTRAL SECTIONS OVERNIGHT. WE THINK THE MAIN THREAT
OVERNIGHT WILL BE POTENTIAL WIND DAMAGE WITH A LEWP AND POTENTIAL
0.75 TO 1.00 INCH HAIL ON AN ISOLATED BASIS IN AND NEAR THE WATCH
AREA THROUGH 12 AM... WITH HEAVY RAIN POTENTIAL AND FREQUENT
LIGHTNING THREAT OVERNIGHT. COUNTY FLASH FLOOD GUIDANCE NUMBERS ARE
FAIRLY HIGH... SO THREAT WILL LIKELY BE5 MORE URBAN FLOODING.

ZONES ARE ALREADY OUT AND WILL BE UPDATED AGAIN TOWARD 12 AM.

.RAH... SEVERE THUNDERSTORM WATCH THROUGH 12 AM FOR THE SOUTHERN
HALF OF CENTRAL NORTH CAROLINA.

BADGETT/RFG

In the hours before

Local storm report, Apr 17, 9:16 PM EDT, 2 hours 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
913 PM EDT SUN APR 16 2000

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

0900 PM    WADESBORO                 NC   .75 INCH HAIL
04/17/00   ANSON                          DIME SIZE HAIL AT
                                          WADESBORO AND SEVERAL OTHER

                                          LOCATIONS AROUND THE CITY AND
                                          COUNTY/ NUMEROUS LIGHTNING

                                          STRIKES REPORTED

Local storm report, Apr 17, 9:59 PM EDT, 1 hour 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
959 PM EDT SUN APR 16 2000

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

0950 PM    CARTHAGE                  NC   WIND DAMAGE
04/17/00   MOORE                          TREES REPORTED DOWN ON THE
                                          NORTHWEST EDGE OF
                                          CARTHAGE.

Local storm report, Apr 17, 10:23 PM EDT, 1 hour 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
1023 PM EDT SUN APR 16 2000

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

1019 PM    CARRBORO                  NC   FLOODING
04/17/00   ORANGE                         CARRBORO REPORTED 0.75 OF
                                          AN INCH OF RAIN IN 20
                                          MINUTES

Local storm report, Apr 17, 10:28 PM EDT, 1 hour 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
1028 PM EDT SUN APR 16 2000

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

1022 PM    GOLDSTON                  NC   WIND DAMAGE
04/17/00   CHATHAM                        NUMEROUS TREES DOWN 4
                                          MILES SOUTHWEST OF
                                          GOLDSTON

>

Local storm report, Apr 17, 10:42 PM EDT, 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
1042 PM EDT SUN APR 16 2000

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

1035 PM    SANFORD                   NC   .75 INCH HAIL
04/17/00   LEE                            DIME SIZE HAIL 8 MILES
                                          SOUTH OF SANFORD. REPORTED
                                          BY LEE COUNTY
                                          COMMUNICATIONS

1038 PM    DURHAM                    NC   .88 INCH HAIL
04/17/00   DURHAM                         NICKEL SIZE HAIL IN
                                          DOWNTOWN DURHAM WITH
                                          ESTIMATED 40 MPH WIND.
                                          REPORTED BY DURHAM COMMS
                                          CENTER

PWB

Local storm report, Apr 17, 10:46 PM EDT, 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
1046 PM EDT SUN APR 16 2000

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

1043 PM    DURHAM                    NC   1.25 INCH HAIL
04/17/00   DURHAM                         GOLFBALL SIZE HAIL AT
                                          INTERSECTIONS OF HIGHWAY
                                          98 AND MeIAMI BLVD. IN EAST
                                          DURHAM

PWB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 17, 8:41 PM EDT	Severe Thunderstorm Warning	RAH	Anson	34 min
Apr 17, 9:15 PM EDT	Severe Thunderstorm Warning	RAH	Richmond	30 min
Apr 17, 9:49 PM EDT	Severe Thunderstorm Warning	RAH	Moore	31 min
Apr 17, 10:08 PM EDT	Severe Thunderstorm Warning	RAH	Granville	47 min
Apr 17, 10:12 PM EDT	Severe Thunderstorm Warning	RAH	Chatham	33 min
Apr 17, 10:26 PM EDT	Severe Thunderstorm Warning	RAH	Durham	34 min
Apr 17, 10:32 PM EDT	Severe Thunderstorm Warning	RAH	Lee	18 min
Apr 17, 10:44 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Wake	46 min
Apr 17, 11:07 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland	23 min
Apr 17, 11:40 PM EDT	Severe Thunderstorm Warning	RAH	Franklin	35 min
Apr 18, 12:24 AM EDT	Severe Thunderstorm Warning	RAH	Sampson	31 min
Apr 18, 12:55 AM EDT	Severe Thunderstorm Warning	RAH	Wayne	35 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2000 Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.