Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 20, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Apr 21, 1997, 4:44 PM EDT for Wayne County, North Carolina. It was in force for 31 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 21, 1997, 4:44 PM EDT (20:44 UTC)
- Expired
- Apr 21, 1997, 5:15 PM EDT
- In force
- 31 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Wayne 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 21, 4:15 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 8.7 hours before the alert went out and 121 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1181 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRDU 212038 RRA SVRRDU NCC191-212115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 444 PM EDT MON APR 21 1997 THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL NORTH CAROLINA ...WAYNE COUNTY AT 435 PM EDT...WEATHER RADAR DETECTED A SEVERE THUNDERSTORM AROUND GOLDSBORO MOVING EAST AT 30 MPH. ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM, A TORNADO WATCH REMAINS IN EFFECT. TORNADOES CAN DEVELOP WITHOUT WARNING FROM A SEVERE THUNDERSTORM. NOISE LIKE A ROARING TRAIN MAY BE YOUR ONLY CLUE OF AN APPROACHING TORNADO. TAKE COVER IMMEDIATELY.
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 21, 11:30 AM EDT, 5 hours 14 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-221100 SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA NATIONAL WEATHER SERVICE RALEIGH NC 1130 AM EDT MON APR 21 1997 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON... (THE SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA APPLIES ONLY TO THE COUNTIES LISTED AT THE END OF TEXT.) THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON ACROSS CENTRAL NORTH CAROLINA. THE MAIN THREAT OF SEVERE WEATHER WILL BE FROM ISOLATED AREAS OF STRONG DAMAGING WINDS AND HAIL. RAIN WITH EMBEDDED THUNDERSTORMS WILL DEVELOP OVER CENTRAL NORTH CAROLINA DURING THE AFTERNOON. AN AREA OF LOW PRESSURE ABOVE THE SURFACE ALONG THE NORTH CAROLINA/VIRGINIA BORDER WILL BE THE MAIN FEATURE DRIVING THE POSSIBLITY OF SEVERE THUNDERSTORMS. THE UPPER LEVEL SUPPORT WITH THIS SYSTEM HAS MOVED NORTHEAST INTO VIRGINIA ...THUS THE THUNDERSTORMS IN CENTRAL NORTH CAROLINA WILL BE MORE OF AN ISOLATED NATURE. SPOTTER ACTIVATION MAY BE REQUIRED LATER THIS AFTERNOON AND EVENING. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR POSSIBLE WATCHES AND WARNINGS. RHJ ********************************************************************* 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 21, 11:32 AM EDT, 5 hours 12 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-221100 SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA NATIONAL WEATHER SERVICE RALEIGH NC 1130 AM EDT MON APR 21 1997 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON... (THE SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA APPLIES ONLY TO THE COUNTIES LISTED AT THE END OF TEXT.) THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON ACROSS CENTRAL NORTH CAROLINA. THE MAIN THREAT OF SEVERE WEATHER WILL BE FROM ISOLATED AREAS OF STRONG DAMAGING WINDS AND HAIL. RAIN WITH EMBEDDED THUNDERSTORMS WILL DEVELOP OVER CENTRAL NORTH CAROLINA DURING THE AFTERNOON. AN AREA OF LOW PRESSURE ABOVE THE SURFACE ALONG THE NORTH CAROLINA/VIRGINIA BORDER WILL BE THE MAIN FEATURE DRIVING THE POSSIBLITY OF SEVERE THUNDERSTORMS. THE UPPER LEVEL SUPPORT WITH THIS SYSTEM HAS MOVED NORTHEAST INTO VIRGINIA ...THUS THE THUNDERSTORMS IN CENTRAL NORTH CAROLINA WILL BE MORE OF AN ISOLATED NATURE. SPOTTER ACTIVATION MAY BE REQUIRED LATER THIS AFTERNOON AND EVENING. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR POSSIBLE WATCHES AND WARNINGS. RHJ ********************************************************************* ALAMANCE ANSON CHATHAM CUMBERLAND DAVIDSON DURHAM EDGECOMBE FORSYTH FRANKLIN GRANVILLE GUILFORD HALIFAX HARNETT HOKE JOHNSTON r 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 21, 5:03 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 27 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1997Every severe thunderstorm warning in 1997
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.