Alert archive / North Carolina / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 18, NWS Newport/Morehead City, NC
NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Apr 15, 1999, 9:26 PM EDT for Duplin County, North Carolina. It was in force for 49 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
- Apr 15, 1999, 9:26 PM EDT (01:26 UTC)
- Expired
- Apr 15, 1999, 10:15 PM EDT
- In force
- 49 min
- Issued by
- NWS Newport/Morehead City, NC
- Area
- Whole counties
County Duplin County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 15, 9:53 PM EDT | Thunderstorm Wind 55 | Magnolia, NC | Trees blown over in Magnolia. |
| Apr 15, 10:00 PM EDT | Tornado F2 | Kenansville, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 15, 4:15 PM EDT | Tornado Watch | SPC | 6 hr |
| Apr 15, 6:15 PM EDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Newport, NC (KMHX), launched 00:00Z, 1.4 hours before the alert went out and 98 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
- 464 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 260 m²/s²
- 0-3 km storm-relative helicity
- 492 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 3.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
NWS Newport/Morehead City, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 15, 1:48 PM EDT, 7 hours 38 minutes earlier.
Area forecast discussion, Apr 15, 1:48 PM EDT, 7 hours 38 minutes before
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</html>The office that day
Everything else NWS Newport/Morehead City, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 9:07 PM EDT | Severe Thunderstorm Warning | MHX | Hyde | 38 min |
| Apr 15, 9:33 PM EDT | Severe Thunderstorm Warning | MHX | Dare | 42 min |
| Apr 15, 9:53 PM EDT | Tornado Warning | MHX | Duplin | 37 min |
| Apr 15, 9:59 PM EDT | Tornado Warning | MHX | Jones, Lenoir | 46 min |
| Apr 15, 10:16 PM EDT | Severe Thunderstorm Warning | MHX | Onslow | 44 min |
| Apr 15, 10:28 PM EDT | Tornado Warning | MHX | Craven | 32 min |
| Apr 15, 10:39 PM EDT | Tornado Warning | MHX | Carteret | 51 min |
| Apr 15, 10:59 PM EDT | Severe Thunderstorm Warning | MHX | Pamlico | 46 min |
| Apr 15, 11:20 PM EDT | Severe Thunderstorm Warning | MHX | Beaufort | 45 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1999Every severe thunderstorm warning in 1999
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.