Alert archive / North Carolina / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 23, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Apr 20, 1996, 5:04 PM EDT for Alamance County, North Carolina. It was in force for 26 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
- Apr 20, 1996, 5:04 PM EDT (21:04 UTC)
- Expired
- Apr 20, 1996, 5:30 PM EDT
- In force
- 26 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Alamance County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 20, 5:15 PM EDT | Thunderstorm Wind 0 | Union Ridge, 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, 9.1 hours before the alert went out and 45 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 591 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
In the hours before
Special weather statement, Apr 20, 12:31 PM EDT, 4 hours 33 minutes before
NCZ007>009-021>025-033>041-049>050-053>057-064>076/082>084-201710- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 1230 PM EDT SAT APR 20 1996 NORTH CAROLINA SEVERE THUNDERSTORM OUTLOOK...A FEW SEVERE THUNDERSTORMS WITH DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE OVER WESTERN AND CENTRAL NORTH CAROLINA THIS AFTERNOON AND EVENING. AN UPPER LEVEL DISTURBANCE OVER THE TENNESSEE VALLEY HAS COMBINE WITH WARM...MOIST AIR AT THE SURFACE TO PRODUCE SCATTERED SHOWERS AND THUNDERSTORMS OVER THE REGION THIS MORNING. AS THE UPPER LEVEL DISTURBANCE CONTINUES MOVING NORTHEAST THIS AFTERNOON AND EVENING...SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER WESTERN AND CENTRAL NORTH CAROLINA. A FEW OF THE THUNDERSTORMS COULD BECOME SEVERE...PRODUCING DAMAGING WINDS AND POSSIBLY LARGE HAIL. PERSONS IN WESTERN AND CENTRAL NORTH CAROLINA SHOULD MONITOR WEATHER CONDITIONS CLOSELY THIS AFTERNOON AND EVENING BY LISTENING TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR LATER STATEMENTS. RAN
Special weather statement, Apr 20, 2:35 PM EDT, 2 hours 29 minutes before
NCZ048-051>053-058>063-201845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 234 PM EDT SAT APR 20 1996 ...TORNADO WATCH CANCELLED... TORNADO WATCH NUMBER 199...PREVIOUSLY IN EFFECT FOR THE PORTIONS OF THE CENTRAL...SOUTHERN AND SOUTHWEST MOUNTAINS OF NORTH CAROLINA HAS BEEN CANCELLED. RAN
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 4:03 PM EDT | Tornado Warning | RAH | Forsyth | 27 min |
| Apr 20, 5:34 PM EDT | Severe Thunderstorm Warning | RAH | Orange | 16 min |
| Apr 20, 6:30 PM EDT | Severe Thunderstorm Warning | RAH | Franklin | 20 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1996Every severe thunderstorm warning in 1996
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.