Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 87, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jul 16, 1997, 4:49 PM EDT for Durham 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
- Jul 16, 1997, 4:49 PM EDT (20:49 UTC)
- Expired
- Jul 16, 1997, 5:15 PM EDT
- In force
- 26 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Durham County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 16, 5:05 PM EDT | Thunderstorm Wind 50 | Durham, NC | TREES AND POWER LINES WERE DOWNED IN SEVERAL LOCATIONS IN DURHAM COUNTY INCLUDING CROWDALE DRIVE AND INTERSTATE 85 AND GUESS ROAD. |
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, 8.8 hours before the alert went out and 92 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
- 1460 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1145 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- -15 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 162050 RRA SVRRDU NCC063-162115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 449 PM EDT WED JUL 16 1997 THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL NORTH CAROLINA ...DURHAM COUNTY AT 450 PM EDT...WEATHER RADAR INIDCATED A SEVERE THUNDERSTORM OVER NORTHERN DURHAM COUNTY. THE STORM IS MOVING VERY SLOWLY NORTHEAST. 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 REPORTH DAMAGE TO EMERGENCY OFFICIALS FOR RELAY TO THE NATIONAL WEATHER SERVICE.
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, Jul 16, 12:00 PM EDT, 4 hours 49 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-171200- SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA NATIONAL WEATHER SERVICE RALEIGH NC 12 PM EDT WED JUL 16 1997 (THE SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA APPLIES ONLY TO THE COUNTIES LISTED AT THE END OF TEXT.) SCATTERED THUNDERSTORMS ARE EXPECTED OVER CENTRAL NORTH CAROLINA THIS AFTERNOON AND EVENING. NO SEVERE WEATHER IS EXPECTED ALTHOUGH ISOLATED STORMS MAY BECOME STRONG ENOUGH TO PRODUCE SOME HAIL AND POSSIBLY SOME DAMAGING WIND. A TROUGH OF LOW PRESSURE WILL MOVE EAST ACROSS THE TAR HEEL STATE TODAY...BECOMING STATIONARY NEAR THE COAST THIS EVENING. THE TROUGH WILL BE OVER CENTRAL NORTH CAROLINA WHEN HEATING WILL BE MAXIMIZED THIS AFTERNOON. THE TROUGH WILL ACT AS A FOCUS FOR AFTERNOON AND EVENING THUNDERSTORM ACTIVITY. SPOTTER ACTIVATION IS NOT EXPECTED TODAY ALTHOUGH SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS. RLH ********************************************************************* ALAMANCE ANSON CHATHAM CUMBERLAND DAVIDSON DURHAM EDGECOMBE FORSYTH FRANKLIN GRANVILLE GUILFORD HALIFAX HARNETT HOKE JOHNSTON LEE MONTGOMERY MOORE NASH ORANGE PERSON RANDOLPH RICHMOND SAMPSON SCOTLAND STANLY VANCE WAKE WARREN WAYNE WILSON
Special weather statement, Jul 16, 12:01 PM EDT, 4 hours 48 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-171200- SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA NATIONAL WEATHER SERVICE RALEIGH NC 12 PM EDT WED JUL 16 1997 (THE SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA APPLIES ONLY TO THE COUNTIES LISTED AT THE END OF TEXT.) SCATTERED THUNDERSTORMS ARE EXPECTED OVER CENTRAL NORTH CAROLINA THIS AFTERNOON AND EVENING. NO SEVERE WEATHER IS EXPECTED ALTHOUGH ISOLATED STORMS MAY BECOME STRONG ENOUGH TO PRODUCE SOME HAIL AND POSSIBLY SOME DAMAGING WIND. A TROUGH OF LOW PRESSURE WILL MOVE EAST ACROSS THE TAR HEEL STATE TODAY...BECOMING STATIONARY NEAR THE COAST THIS EVENING. THE TROUGH WILL BE OVER CENTRAL NORTH CAROLINA WHEN HEATING WILL BE MAXIMIZED THIS AFTERNOON. THE TROUGH WILL ACT AS A FOCUS FOR AFTERNOON AND EVENING THUNDERSTORM ACTIVITY. SPOTTER ACTIVATION IS NOT EXPECTED TODAY ALTHOUGH SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS. RLH ********************************************************************* ALAMANCE ANSON CHATHAM CUMBERLAND DAVIDSON DURHAM EDGECOMBE FORSYTH FRANKLIN GRANVILLE GUILFORD HALIFAX HARNETT HOKE JOHNSTON LEE MONTGOMERY MOORE NASH ORANGE PERSON RANDOLPH RICHMOND SAMPSO*N SCOTLAND STANLY VANCE WAKE WARREN WAYNE WILSON
Local storm report, Jul 16, 2:43 PM EDT, 2 hours 6 minutes before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
243 PM EDT WED JUL 16 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
245 PM DENTON ARPT NC 60 MPH WIND GUST
07/15/97 DAVIDSON A MICROBURST BLEW DOWN
SEVERAL TREES...DAMAGING
ONE HOME. A MANUFACTURED
HOME WAS PUSHED OFF ITS
FOUNDATION.Local storm report, Jul 16, 2:49 PM EDT, 2 hours before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
243 PM EDT WED JUL 16 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
245 PM DENTON ARPT NC 60 MPH WIND GUST
07/15/97 DAVIDSON A MICROBURST BLEW DOWN
SEVERAL TREES...DAMAGING
ONE HOME. A MANUFACTURED
HOME WAS PUSHED OFF ITS
FOUNDATION.The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 5:10 PM EDT | Severe Thunderstorm Warning | RAH | Randolph | 35 min |
| Jul 16, 5:25 PM EDT | Severe Thunderstorm Warning | RAH | Guilford | 35 min |
| Jul 16, 5:33 PM EDT | Severe Thunderstorm Warning | RAH | Wake | 27 min |
| Jul 16, 5:40 PM EDT | Severe Thunderstorm Warning | RAH | Johnston | 35 min |
| Jul 16, 5:58 PM EDT | Severe Thunderstorm Warning | RAH | Harnett | 32 min |
| Jul 16, 6:14 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland | 31 min |
| Jul 16, 7:03 PM EDT | Severe Thunderstorm Warning | RAH | Wayne | 27 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.