Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 8, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Mar 5, 1997, 6:12 PM EST for Guilford County, North Carolina. It was in force for 33 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
- Mar 5, 1997, 6:12 PM EST (23:12 UTC)
- Expired
- Mar 5, 1997, 6:45 PM EST
- In force
- 33 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 23:16 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 5, 6:20 PM EST | Thunderstorm Wind 50 | Greensboro, NC | |
| Mar 5, 6:20 PM EST | Hail 0.75 | Greensboro, 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, 11.2 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1128 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
421 WUUS1 KRDU 052315 RRA SVRRDU NCC081-052345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 612 PM EST WED MAR 5 1997 THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL NORTH CAROLINA ...GUILFORD COUNTY A LINE OF SEVERE THUNDERSTORMS WILL BE MOVING THROUGH GREENSBORO AND EASTERN GUILFORD COUNTY BETWEEN 615 AND 645 PM. THIS STORM HAS ALREADY PRODUCED HAIL AND DAMAGING WINDS. THIS IS A DANGEROUS STORM. DAMAGE HAS ALREADY BEEN REPORTED. IF YOU ARE NEAR THE PATH OF THIS STORM TAKE COVER NOW GO TO THE CENTER AND LOWEST LEVEL OF YOUR HOUSE, IN A SMALL ROOM, AWAY FROM WINDOWS.
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 5:31 PM EST | Severe Thunderstorm Warning | RAH | Forsyth | 44 min |
| Mar 5, 5:49 PM EST | Severe Thunderstorm Warning | RAH | Guilford | 41 min |
| Mar 5, 6:23 PM EST | Severe Thunderstorm Warning | RAH | Alamance | 37 min |
| Mar 5, 6:42 PM EST | Severe Thunderstorm Warning | RAH | Orange | 33 min |
| Mar 5, 6:46 PM EST | Severe Thunderstorm Warning | RAH | Person | 44 min |
| Mar 5, 6:53 PM EST | Severe Thunderstorm Warning | RAH | Durham | 37 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1997Every severe thunderstorm warning in 1997
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; radar from the NEXRAD Level II archive.