Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 45, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Apr 9, 1998, 2:40 PM EDT for Halifax County, North Carolina. It was in force for 35 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 9, 1998, 2:40 PM EDT (18:40 UTC)
- Expired
- Apr 9, 1998, 3:15 PM EDT
- In force
- 35 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Halifax County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 9, 2:53 PM EDT | Hail 0.75 | Halifax, NC | Dime size hail occurred and strong thunderstorm winds blew down trees in the Roanoke Rapids and Halifax areas of Halifax 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 9, 1:45 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 6.7 hours before the alert went out and 179 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.
- Mixed-layer CAPE
- 3 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
477 WUUS1 KRDU 091841 RRA SVRRDU NCC083-091915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH NC 240 PM EDT THU APR 9 1998 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HALIFAX COUNTY * UNTIL 315 PM EDT * AT 240 PM EDT...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER THE CITY OF GROVE HILL IN WARREN COUNTY MOVING NORTHEAST AT AROUND 35 MPH. THIS STORM WILL MOVE INTO HALIFAX COUNTY WITHIN THE NEXT 15 MINUTES. * THIS SEVERE THUNDERSTORM WILL AFFECT: AIRLIE AURELIAN SPRINGS ROANOKE RAPIDS ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM, A TORNADO WATCH REMAINS IN EFFECT. LARGE HAIL AND STRONG DOWNBURST WINDS ARE POSSIBLE WITH THIS STORM. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION. JSJ
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.
In the hours before
Special weather statement, Apr 9, 11:30 AM EDT, 3 hours 10 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-100000- SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA NATIONAL WEATHER SERVICE RALEIGH NC 1130 AM EDT THU APR 09 1998 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THE AFTERNOON... (THE SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA APPLIES ONLY TO THE COUNTIES LISTED AT THE END OF TEXT.) A SLIGHT RISK OF SEVERE THUNDERSTORMS CONTINUES THROUGH THE AFTERNOON ACROSS CENTRAL NORTH CAROLINA. A SLOW MOVING COLD FRONT ALONG THE MOUNTAINS THIS MORNING WILL GRADUALLY MAKE ITS WAY INTO THE WESTERN PIEDMONT EARLY THIS AFTERNOON. HEATING AND THE LIFT PROVIDED IN ADVANCE OF THE COLD FRONT IN ADDITION TO THE WARM...MOIST UNSTABLE AIR ALREADY IN PLACE WILL MAKE THE FOR THE POSSIBILITY OF THUNDERSTORMS TO REDEVELOP. SOME THUNDERSTORMS MIGHT REACH SEVERE LIMITS...PRODUCING LARGE HAIL AND DAMAGING WINDS. ALL THE INGREDIENTS FOR SEVERE WEATHER WILL BE ACROSS THE REGION AT ONE TIME OR ANOTHER THIS AFTERNOON...THE POSSIBILITY OF THIS OCCURRING WILL DEPEND ON THE TIMING OF THE EVENTS. PERSONS OVER CENTRAL NORTH CAROLINA SHOULD REMAIN ALERT TODAY. SPOTTER ACTIVATION MAY BE NEEDED LATER TODAY...MAINLY IN THE SANDHILLS AND OTHER AREAS EAST OF RALEIGH. WE WILL KEEP YOU INFORMED. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR POSSIBLE WATCHES AND WARNINGS. JWC ********************************************************************* ALAMANCE ANSON CHATHAM CUMBERLAND DAVIDSON DURHAM EDGECOMBE FORSYTH FRANKLIN GRANVILLE GUILFORD HALIFAX HARNETT HOKE JOHNSTON LEE MONTGOMERY MOORE NASH ORANGE PERSON RANDOLPH RICHMOND SAMPSON SCOTLAND STANLY VANCE WAKE WARREN WAYNE WILSON
Special weather statement, Apr 9, 11:30 AM EDT, 3 hours 10 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-100000- SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA NATIONAL WEATHER SERVICE RALEIGH NC 1130 AM EDT THU APR 09 1998 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THE AFTERNOON... (THE SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA APPLIES ONLY TO THE COUNTIES LISTED AT THE END OF TEXT.) A SLIGHT RISK OF SEVERE THUNDERSTORMS CONTINUES THROUGH THE AFTERNOON ACROSS CENTRAL NORTH CAROLINA. A SLOW MOVING COLD FRONT ALONG THE MOUNTAINS THIS MORNING WILL GRADUALLY MAKE ITS WAY INTO THE WESTERN PIEDMONT EARLY THIS AFTERNOON. HEATING AND THE LIFT PROVIDED IN ADVANCE OF THE COLD FRONT IN ADDITION TO THE WARM...MOIST UNSTABLE AIR ALREADY IN PLACE WILL MAKE THE FOR THE POSSIBILITY OF THUNDERSTORMS TO REDEVELOP. SOME THUNDERSTORMS MIGHT REACH SEVERE LIMITS...PRODUCING LARGE HAIL AND DAMAGING WINDS. ALL THE INGREDIENTS FOR SEVERE WEATHER WILL BE ACROSS THE REGION AT ONE TIME OR ANOTHER THIS AFTERNOON...THE POSSIBILITY OF THIS OCCURRING WILL DEPEND ON THE TIMING OF THE EVENTS. PERSONS OVER CENTRAL NORTH CAROLINA SHOULD REMAIN ALERT TODAY. SPOTTER ACTIVATION MAY BE NEEDED LATER TODAY...MAINLY IN THE SANDHILLS AND OTHER AREAS EAST OF RALEIGH. WE WILL KEEP YOU INFORMED. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR POSSIBLE WATCHES AND WARNINGS. JWC ********************************************************************* ALAMANCE ANSON CHATHAM CUMBERLAND DAVIDSON DURHAM EDGECOMBE FORSYTH FRANKLIN GRANVILLE GUILFORD HALIFAX HARNETT HOKE JOHNSTON LEE MONTGOMERY MOORE NASH ORANGE PERSON RANDOLPH RICHMOND SAMPSON SCOTLAND STANLY VANCE WAKE WARREN WAYNE WILSON
Local storm report, Apr 9, 2:11 PM EDT, 29 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
211 PM EDT THU APR 09 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0130 PM HWY 54 NC .75 INCH HAIL
04/09/98 ALAMANCE SKYWARN SPOTTER REPORTED
DIME SIZE HAIL ALONG HWY
54 ON THE ALAMANCE/ORANGE
| COUNTY LINELocal storm report, Apr 9, 2:11 PM EDT, 29 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
211 PM EDT THU APR 09 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0130 PM HWY 54 NC .75 INCH HAIL
04/09/98 ALAMANCE SKYWARN SPOTTER REPORTED
DIME SIZE HAIL ALONG HWY
54 ON THE ALAMANCE/ORANGE
| COUNTY LINEThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 5:09 AM EDT | Flash Flood Warning | RAH | Montgomery, Stanly | 4 hr |
| Apr 9, 5:40 AM EDT | Flash Flood Warning | RAH | Moore | 4 hr |
| Apr 9, 1:58 PM EDT | Severe Thunderstorm Warning | RAH | Granville | 32 min |
| Apr 9, 2:13 PM EDT | Severe Thunderstorm Warning | RAH | Vance | 32 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1998Every severe thunderstorm warning in 1998
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.