Alert archive / North Carolina / Tornado Warnings in 1998
Tornado Warning 13, NWS Raleigh, NC
NWS Raleigh, NC issued this tornado warning at Mar 20, 1998, 8:46 PM EST for Granville County, North Carolina. It was in force for 49 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
- Mar 20, 1998, 8:46 PM EST (01:46 UTC)
- Expired
- Mar 20, 1998, 9:35 PM EST
- In force
- 49 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 |
|---|---|---|---|
| Mar 20, 7:00 PM EST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.8 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
- 486 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
548 WFUS1 KRDU 210147 RRA TORRDU NCC077-210235- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE RALEIGH NC 846 PM EST FRI MAR 20 1998 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * TORNADO WARNING FOR GRANVILLE COUNTY * UNTIL 935 PM EST * THIS TORNADO WILL AFFECT: AREAS AROUND BUTNER...CREEDMOOR... STEM AND AREAS ALONG I-85 TO OXFORD. * BASIS FOR WARNING: WEATEHR RADAR INDICATED SEVERE THUNDERSTORMS LIKELY CONTAINING A TORNADO MOVING INTO GRANVILLE COUNTY FROM DURHAM COUNTY. THE STORMS HAVE BEEN TRACKING TO THE NORTHEAST NEAR 25 MPH. GO TO THE LOWEST FLOOR...A SMALL INTERIOR ROOM OR CLOSET. COVER YOUR HEAD. STAY AWAY FROM WINDOWS. GET OUT OF MOBILE HOMES AND VEHICLES AND INTO A STURDY BUILDING OR A DITCH. REPORT DAMAGE TO EMERGENCY OFFICIALS FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST ON THIS DANGEROUS WEATHER SITUATION.
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 7:05 PM EST | Severe Thunderstorm Warning | RAH | Durham, Wake | 30 min |
| Mar 20, 7:24 PM EST | Tornado Warning | RAH | Franklin | 31 min |
| Mar 20, 7:34 PM EST | Severe Thunderstorm Warning | RAH | Granville, Person | 46 min |
| Mar 20, 7:36 PM EST | Severe Thunderstorm Warning | RAH | Chatham | 34 min |
| Mar 20, 7:49 PM EST | Tornado Warning | RAH | Warren | 46 min |
| Mar 20, 7:58 PM EST | Severe Thunderstorm Warning | RAH | Orange | 47 min |
| Mar 20, 8:02 PM EST | Severe Thunderstorm Warning | RAH | Hoke, Scotland | 48 min |
| Mar 20, 8:24 PM EST | Flash Flood Warning | RAH | Durham | 31 min |
| Mar 20, 8:24 PM EST | Severe Thunderstorm Warning | RAH | Durham | 31 min |
| Mar 20, 8:41 PM EST | Severe Thunderstorm Warning | RAH | Harnett | 34 min |
| Mar 20, 8:54 PM EST | Tornado Warning | RAH | Durham, Wake | 36 min |
| Mar 20, 9:08 PM EST | Flash Flood Warning | RAH | Orange | 32 min |
| Mar 20, 9:08 PM EST | Severe Thunderstorm Warning | RAH | Orange | 32 min |
| Mar 20, 9:20 PM EST | Severe Thunderstorm Warning | RAH | Cumberland | 20 min |
| Mar 20, 9:27 PM EST | Severe Thunderstorm Warning | RAH | Vance | 33 min |
| Mar 20, 9:35 PM EST | Severe Thunderstorm Warning | RAH | Durham | 30 min |
| Mar 20, 9:52 PM EST | Severe Thunderstorm Warning | RAH | Johnston, Wake | 18 min |
| Mar 20, 10:21 PM EST | Severe Thunderstorm Warning | RAH | Nash, Wilson | 34 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.