Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 103, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jul 24, 1997, 5:31 PM EDT for Alamance County, North Carolina. It was in force for 14 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
- Jul 24, 1997, 5:31 PM EDT (21:31 UTC)
- Expired
- Jul 24, 1997, 5:45 PM EDT
- In force
- 14 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Alamance County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 24, 5:35 PM EDT | Thunderstorm Wind 50 | Snow Camp, NC | SEVERAL TREES WERE BLOWN DOWN ON HUNTERS CREEK ROAD IN SNOW CAMP AREA. |
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, 9.5 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
- 150 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 541 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 51 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 242135 RRA SVRRDU NCC001-242145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 531 PM EDT THU JUL 24 1997 THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL NORTH CAROLINA ...SOUTHERN ALAMANCE COUNTY WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR SNOW CAMP IN SOUTHERN ALAMANCE COUNTY MOVING SOUTHEAST AT 20 MPH. THIS STORM WILL PRODUCE LARGE HAIL AND DAMAGING WINDS. PEOPLE SHOULD BE ESPECIALLY ALERT FOR LARGE HAIL AND DAMAGING WIND. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN POSE A DANGER WITH ANY THUNDERSTORM. SEEK SHELTER IMMEDIATELY AND REPORT DAMAGE TO EMERGENCY OFFICIALS FOR RELAY TO THE NATIONAL WEATHER SERVICE.
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 2:00 AM EDT | Flash Flood Warning | RAH | Anson, Montgomery, Moore, Richmond, Stanly | 6 hr |
| Jul 24, 2:00 AM EDT | Flash Flood Warning | RAH | Hoke, Scotland | 6 hr |
| Jul 24, 6:31 AM EDT | Flash Flood Warning | RAH | Harnett | 2 hr |
| Jul 24, 6:51 AM EDT | Flash Flood Warning | RAH | Lee | 69 min |
| Jul 24, 7:33 AM EDT | Flash Flood Warning | RAH | Wake | 87 min |
| Jul 24, 8:05 AM EDT | Flash Flood Warning | RAH | Franklin, Granville, Vance | 3 hr |
| Jul 24, 8:05 AM EDT | Flash Flood Warning | RAH | Warren | 3 hr |
| Jul 24, 8:38 AM EDT | Flash Flood Warning | RAH | Durham | 2 hr |
| Jul 24, 9:26 AM EDT | Flash Flood Warning | RAH | Edgecombe, Halifax, Nash, Wilson | 3 hr |
| Jul 24, 10:10 AM EDT | Flash Flood Warning | RAH | Wake | 8 hr |
| Jul 24, 11:39 AM EDT | Flash Flood Warning | RAH | Edgecombe, Nash, Wilson | 2 hr |
| Jul 24, 11:39 AM EDT | Flash Flood Warning | RAH | Halifax | 2 hr |
| Jul 24, 4:54 PM EDT | Severe Thunderstorm Warning | RAH | Guilford | 36 min |
| Jul 24, 6:23 PM EDT | Flash Flood Warning | RAH | Sampson | 2 hr |
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.