Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 43, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Apr 9, 1998, 1:58 PM EDT for Granville County, North Carolina. It was in force for 32 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
- Apr 9, 1998, 1:58 PM EDT (17:58 UTC)
- Expired
- Apr 9, 1998, 2:30 PM EDT
- In force
- 32 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Granville County, NC
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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.0 hours before the alert went out and 115 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
- 30 J/kg
- Mixed-layer CIN
- -199 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 349 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRDU 091758 RRA SVRRDU NCC077-091830- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH NC 158 PM EDT THU APR 9 1998 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GRANVILLE COUNTY * UNTIL 230 PM EDT * AT 155 PM EDT...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WEST OF CULBRETH MOVING EAST-NORTHEAST AT 35 MPH. * THIS SEVERE THUNDERSTORM WILL AFFECT: l CULBRETH OXFORD 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. 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, 2 hours 28 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, 2 hours 28 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
The 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, 2:13 PM EDT | Severe Thunderstorm Warning | RAH | Vance | 32 min |
| Apr 9, 2:40 PM EDT | Severe Thunderstorm Warning | RAH | Halifax | 35 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; the sounding from the Mesonet's radiosonde archive.