Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 200, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jun 15, 1998, 6:40 PM EDT for Wake County, North Carolina. It was in force for 35 min. 2 reports 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
- Jun 15, 1998, 6:40 PM EDT (22:40 UTC)
- Expired
- Jun 15, 1998, 7:15 PM EDT
- In force
- 35 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Wake County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 15, 6:43 PM EDT | Thunderstorm Wind 50 | Raleigh, NC | Strong thunderstorm winds downed several trees and produced dime size hail in north Raleigh along Millbrook and Six Forks Roads. |
| Jun 15, 6:43 PM EDT | Hail 0.75 | Raleigh, NC | Dime size hail fell in north Raleigh. This storm also produced very heavy rain and frequent lightning across much of northern Wake county from near the RDU Airport to Falls Lake and north Raleigh. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 15, 5:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.7 hours before the alert went out and 117 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
- 296 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1041 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 12:41 AM EDT | Severe Thunderstorm Warning | RAH | Forsyth | 49 min |
| Jun 15, 12:51 AM EDT | Severe Thunderstorm Warning | RAH | Montgomery | 34 min |
| Jun 15, 1:02 AM EDT | Severe Thunderstorm Warning | RAH | Davidson | 33 min |
| Jun 15, 1:06 AM EDT | Severe Thunderstorm Warning | RAH | Randolph | 34 min |
| Jun 15, 1:15 AM EDT | Severe Thunderstorm Warning | RAH | Guilford | 35 min |
| Jun 15, 1:46 AM EDT | Severe Thunderstorm Warning | RAH | Chatham, Randolph | 49 min |
| Jun 15, 2:49 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Wake | 36 min |
| Jun 15, 4:29 PM EDT | Severe Thunderstorm Warning | RAH | Person | 46 min |
| Jun 15, 4:54 PM EDT | Severe Thunderstorm Warning | RAH | Halifax | 36 min |
| Jun 15, 5:13 PM EDT | Severe Thunderstorm Warning | RAH | Granville | 32 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.