Alert archive / North Carolina / Tornado Warnings in 1998
Tornado Warning 16, NWS Raleigh, NC
NWS Raleigh, NC issued this tornado warning at Apr 17, 1998, 6:55 PM EDT for Guilford County, North Carolina. It was in force for 65 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 17, 1998, 6:55 PM EDT (22:55 UTC)
- Expired
- Apr 17, 1998, 8:00 PM EDT
- In force
- 65 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Guilford County, NC
The radar
The Roanoke radar (KFCX), 114 km from the middle of the area, began a volume at 22:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.9 hours before the alert went out and 10 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
- 77 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 541 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 277 m²/s²
- 0-3 km storm-relative helicity
- 274 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 172255 RRA TORRDU NCC081-180000- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE RALEIGH NC 655 PM EDT FRI APR 17 1998 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * TORNADO WARNING FOR... GUILFORD COUNTY * UNTIL 800 PM EDT * AT 655 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO JUST NORTHEAST OF JAMESTOWN/HIGH POINT AREA... MOVING NORTHEAST AT 25 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... VANDALIA AROUND 705 PM SOUTH OF GREENSBORO 715 PM IF YOU ARE IN A CAR...GO IN A NEARBY STURDY BUILDING! AS A LAST RESORT LIE FLAT IN A DITCH AND COVER YOUR HEAD. JWC
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Apr 17, 6:50 PM EDT, 5 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
650 PM EDT FRI APR 17 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0610 PM WINSTON SALEM NC FLOODING
04/17/98 FORSYTH REYNOLDA RD AREA NEAR WAKE
FOREST UNIVERSITY.
0640 PM WELCOME NC .75 INCH HAIL
04/17/98 DAVIDSON REPORTED BY SKYWARN
SPOTTER. SOME HAIL
SLIGHTLY LARGER.Local storm report, Apr 17, 6:50 PM EDT, 5 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
650 PM EDT FRI APR 17 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0610 PM WINSTON SALEM NC FLOODING
04/17/98 FORSYTH REYNOLDA RD AREA NEAR WAKE
FOREST UNIVERSITY.
0640 PM WELCOME NC .75 INCH HAIL
04/17/98 DAVIDSON REPORTED BY SKYWARN
SPOTTER. SOME HAIL
SLIGHTLY LARGER.The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 5:59 PM EDT | Flash Flood Warning | RAH | Forsyth | 3 hr |
| Apr 17, 6:05 PM EDT | Severe Thunderstorm Warning | RAH | Forsyth | 60 min |
| Apr 17, 6:21 PM EDT | Severe Thunderstorm Warning | RAH | Davidson | 59 min |
| Apr 17, 6:40 PM EDT | Severe Thunderstorm Warning | RAH | Guilford, Randolph | 60 min |
| Apr 17, 7:48 PM EDT | Severe Thunderstorm Warning | RAH | Alamance | 47 min |
Nearby
Tornado Warnings in North Carolina, 1998Every tornado warning in 1998Tornadoes 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; radar from the NEXRAD Level II archive.