Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 66, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jul 4, 1997, 11:17 PM EDT for Durham County, Wake County, North Carolina. It was in force for 43 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
- Jul 4, 1997, 11:17 PM EDT (03:17 UTC)
- Expired
- Jul 5, 1997, 12:00 AM EDT
- In force
- 43 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
Counties Durham County, NC, Wake County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 4, 11:23 PM EDT | Hail 1 | Durham, NC | QUARTER SIZE HAIL FELL 5 MILES SOUTHEAST OF DURHAM NEAR THE AIRPORT. |
| Jul 4, 11:35 PM EDT | Hail 1 | Raleigh Durham Arpt, NC | QUARTER SIZE HAIL FELL ALONG LUMLEY ROAD AND INTERSTATE 540. |
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 |
|---|---|---|---|
| Jul 4, 6:45 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 4, 10:00 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.3 hours before the alert went out and 104 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
- 26 J/kg
- Mixed-layer CIN
- -163 J/kg
- Mixed-layer LCL
- 2588 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRDU 050318 RRA SVRRDU NCC063-183-050400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 1117 PM EDT FRI JUL 4 1997 THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL NORTH CAROLINA ...SOUTHERN DURHAM COUNTY...WAKE COUNTY NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE <THUNDERSTORM IN SOUTHERN DURHAM COUNTY. THE STORM IS MOVING TO THE EAST AT 40 MILES AN HOUR. THIS IS A DANGEROUS STORM WITH DAMAGING HAIL AND GUSTY WINDS. RESIDENTS IN THE PATH OF THIS STORM SHOULD TAKE COVER.
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 9:52 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Guilford | 53 min |
| Jul 4, 10:21 PM EDT | Severe Thunderstorm Warning | RAH | Randolph | 39 min |
| Jul 4, 11:46 PM EDT | Severe Thunderstorm Warning | RAH | Franklin | 44 min |
| Jul 4, 11:59 PM EDT | Severe Thunderstorm Warning | RAH | Johnston | 46 min |
| Jul 5, 12:05 AM EDT | Severe Thunderstorm Warning | RAH | Nash | 25 min |
| Jul 5, 12:21 AM EDT | Severe Thunderstorm Warning | RAH | Halifax | 54 min |
| Jul 5, 12:35 AM EDT | Severe Thunderstorm Warning | RAH | Wilson | 25 min |
| Jul 5, 4:53 PM EDT | Severe Thunderstorm Warning | RAH | Anson, Richmond | 37 min |
| Jul 5, 5:10 PM EDT | Severe Thunderstorm Warning | RAH | Richmond | 20 min |
| Jul 5, 5:38 PM EDT | Severe Thunderstorm Warning | RAH | Scotland | 37 min |
| Jul 5, 6:00 PM EDT | Severe Thunderstorm Warning | RAH | Hoke | 30 min |
| Jul 5, 6:52 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland | 38 min |
| Jul 5, 7:13 PM EDT | Severe Thunderstorm Warning | RAH | Wayne | 22 min |
| Jul 5, 7:34 PM EDT | Severe Thunderstorm Warning | RAH | Wayne | 26 min |
| Jul 5, 7:41 PM EDT | Severe Thunderstorm Warning | RAH | Halifax | 34 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.