Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 57, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at May 1, 1998, 7:51 PM EDT for Person County, North Carolina. It was in force for 29 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
- May 1, 1998, 7:51 PM EDT (23:51 UTC)
- Expired
- May 1, 1998, 8:20 PM EDT
- In force
- 29 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Person County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 1, 7:55 PM EDT | Hail 0.75 | Bushy Fork, NC |
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 nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.9 hours before the alert went out and 90 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
- 7 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 499 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
787 WUUS1 KRDU 012353 RRB SVRRDU NCC145-020040- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTED NATIONAL WEATHER SERVICE RALEIGH NC 751 PM EDT FRI MAY 1 1998 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... PERSON COUNTY * UNTIL 840 PM EDT * AT 750 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR HIGHWAY 49 IN EXTREME SOUTHWEST PERSON COUNTY... MOVING EAST-NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BUSHY FORK AND HURDLE MILLS BY 820 PM TIMBERLAKE BY 830 PM DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS GH
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, May 1, 6:03 PM EDT, 1 hour 48 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-021200- SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA NATIONAL WEATHER SERVICE RALEIGH NC 603 PM EDT FRI MAY 1 1998 ...SLIGHT RISK OF SEVERE THUNDERSTORMS OVER CENTRAL NORTH CAROLINA FOR TONIGHT... (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 WITH LARGE HAIL AND DAMAGING WINDS OVERNIGHT. THE MAIN THREAT FROM SEVERE STORMS WILL BE LARGE HAIL AND SUDDEN STRONG DOWNBURST WINDS. THE COMBINATION OF A COLD FRONT OVER WEST-CENTRAL NORTH CAROLINA AND A WARM FRONT EAST-WEST ACROSS THE NORTHERN TIER OF THE STATE WILL PROVIDE THE FOCUS FOR THUNDERSTORM DEVELOPMENT OVER NIGHT. ADDITIONALLY...WARM MOIST UNSTABLE AIR ALONG AND SOUTH OF THESE BOUNDARIES WILL AID IN THUNDERSTORM DEVELOPMENT...SOME POSSIBLY REACHING SEVERE LIMITS. SPOTTER ACTIVATION IS CURRENTLY IN STANDBY MODE. PLEASE RELAY ANY REPORTS YOU RECEIVE. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR POSSIBLE WATCHES AND WARNINGS. RA ********************************************************************* 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, May 1, 6:03 PM EDT, 1 hour 48 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-021200- SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA NATIONAL WEATHER SERVICE RALEIGH NC 603 PM EDT FRI MAY 1 1998 ...SLIGHT RISK OF SEVERE THUNDERSTORMS OVER CENTRAL NORTH CAROLINA FOR TONIGHT... (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 WITH LARGE HAIL AND DAMAGING WINDS OVERNIGHT. THE MAIN THREAT FROM SEVERE STORMS WILL BE LARGE HAIL AND SUDDEN STRONG DOWNBURST WINDS. THE COMBINATION OF A COLD FRONT OVER WEST-CENTRAL NORTH CAROLINA AND A WARM FRONT EAST-WEST ACROSS THE NORTHERN TIER OF THE STATE WILL PROVIDE THE FOCUS FOR THUNDERSTORM DEVELOPMENT OVER NIGHT. ADDITIONALLY...WARM MOIST UNSTABLE AIR ALONG AND SOUTH OF THESE BOUNDARIES WILL AID IN THUNDERSTORM DEVELOPMENT...SOME POSSIBLY REACHING SEVERE LIMITS. SPOTTER ACTIVATION IS CURRENTLY IN STANDBY MODE. PLEASE RELAY ANY REPORTS YOU RECEIVE. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR POSSIBLE WATCHES AND WARNINGS. RA ********************************************************************* 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, May 1, 7:35 PM EDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
735 PM EDT FRI MAY 01 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0630 PM LEXINGTON NC .75 INCH HAIL
05/01/98 DAVIDSON SKYWARN OBSERVER REPORTED
DIME SIZE HAIL 5 MILES
SOUTH OF LEXINGTONLocal storm report, May 1, 7:42 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
742 PM EDT FRI MAY 01 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0648 PM MONTICELLO NC .75 INCH HAIL
05/01/98 GUILFORD GUILFORD COUNTY SHERIFF
DEPARTMENT REPORTED DIME
SIZE HAIL NEAR MONTICELLO
IN EXTREME NORTHWEST
GUILFORD COUNTY.Local storm report, May 1, 7:49 PM EDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
749 PM EDT FRI MAY 01 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0707 PM ALTAMAHAW NC 1.75 INCH HAIL
05/01/98 ALAMANCE ALAMANCE COUNTY SHERIFF
REPORTED GOLFBALL SIZE
HAIL JUST NORTH OF
ALTAMAHAW IN NORTHWEST
ALAMANCE COUNTY.The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 6:34 PM EDT | Severe Thunderstorm Warning | RAH | Davidson | 46 min |
| May 1, 6:37 PM EDT | Severe Thunderstorm Warning | RAH | Guilford | 33 min |
| May 1, 7:05 PM EDT | Severe Thunderstorm Warning | RAH | Alamance | 35 min |
| May 1, 7:22 PM EDT | Severe Thunderstorm Warning | RAH | Guilford | 33 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.