Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 102, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jul 24, 1997, 4:54 PM EDT for Guilford County, North Carolina. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1997, 4:54 PM EDT (20:54 UTC)
- Expired
- Jul 24, 1997, 5:30 PM EDT
- In force
- 36 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 20:55 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.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.9 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
- 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 242056 RRA SVRRDU NCC081-242130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 454 PM EDT THU JUL 24 1997 THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL NORTH CAROLINA ...GUILFORD COUNTY A SEVERE THUNDERSTORM WITH LARGE HAIL WAS OVER NORTHWEST GUILFORD COUNTY MOVING SOUTHEAST AT 20 MPH. SKYWARN SPOTTERS REPORTED 1 INCH HAIL WITH THIS STORM AT 451 PM. ANOTHER STRONG STORM WAS JUST EAST OF GREENSBORO ALSO MOVING SOUTHEAST AT 20 MPH. 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. &
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 24, 11:00 AM EDT, 5 hours 54 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-250000- SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA NATIONAL WEATHER SERVICE RALEIGH NC 1100 AM EDT THU JUL 24 1997 ...SLIGHT RISK OF SEVERE STORMS OVER NORTHEAST PORTIONS OF CENTRAL NORTH CAROLINA THROUGH EARLY AFTERNOON... (THE SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA APPLIES ONLY TO THE COUNTIES LISTED AT THE END OF TEXT.) THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTHEAST SECTIONS OF CENTRAL NORTH CAROLINA THROUGH EARLY THIS AFTERNOON. THE AREA OF CONCERN CONSISTS OF HALIFAX...EDGECOMBE...NASH...WILSON...WARREN AND FRANKLIN COUNTIES. THE MAJOR SEVERE THREAT IS FROM VERY STRONG WINDS AS THE REMNANTS OF HURRICANE DANNY MOVE NORTHEAST ACROSS THE AREA. THERE IS ALSO A STRONG POSSIBILITY OF FLASH FLOODING AS RAINFALL AMOUNTS FROM 3 TO 5 INCHES ARE LIKELY. AN ISOLATED TORNADO IS ALSO A POSSIBILITY. THE CIRCULATION ASSOCIATED WITH THE REMNANTS OF HURRICANE DANNY WILL MOVE NORTHEAST THROUGH NORTHEAST NORTH CAROLINA EARLY THIS AFTERNOON. VERY HEAVY RAINBANDS WILL PRODUCE TORRENTIAL DOWNPOURS. AS MUCH AS ONE TO THREE INCHES OF RAIN IN AN HOUR IS POSSIBLE... AND THIS CAN EASILY LEAD TO PONDING OF WATER ON ROADS AND FLOODING OF LOW LYING AREAS. ALSO... STRONG WINDS A FEW THOUSAND FEET ABOVE THE GROUND MAY COME DOWN TO THE SURFACE AND LEAD TO BRIEF BUT GUSTY AND DAMAGING WINDS. SPOTTERS...ESPECIALLY NORTH AND EAST OF THE TRIANGLE...ARE ENCOURAGED TO RELAY REPORTS OF SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND ADDITIONAL WEATHER INFORMATION. MLM ********************************************************************* ALAMANCE ANSON CHATHAM CUMBERLAND PERSON RANDOLPH RICHMOND SAMPSON SCOTLAND STANLY VANCE WAKE WARREN WAYNE WILSON
Special weather statement, Jul 24, 11:02 AM EDT, 5 hours 52 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-250000- SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA NATIONAL WEATHER SERVICE RALEIGH NC 1100 AM EDT THU JUL 24 1997 ...SLIGHT RISK OF SEVERE STORMS OVER NORTHEAST PORTIONS OF CENTRAL NORTH CAROLINA THROUGH EARLY AFTERNOON... (THE SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA APPLIES ONLY TO THE COUNTIES LISTED AT THE END OF TEXT.) THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTHEAST SECTIONS OF CENTRAL NORTH CAROLINA THROUGH EARLY THIS AFTERNOON. THE AREA OF CONCERN CONSISTS OF HALIFAX...EDGECOMBE...NASH...WILSON...WARREN AND FRANKLIN COUNTIES. THE MAJOR SEVERE THREAT IS FROM VERY STRONG WINDS AS THE REMNANTS OF HURRICANE DANNY MOVE NORTHEAST ACROSS THE AREA. THERE IS ALSO A STRONG POSSIBILITY OF FLASH FLOODING AS RAINFALL AMOUNTS FROM 3 TO 5 INCHES ARE LIKELY. AN ISOLATED TORNADO IS ALSO A POSSIBILITY. THE CIRCULATION ASSOCIATED WITH THE REMNANTS OF HURRICANE DANNY WILL MOVE NORTHEAST THROUGH NORTHEAST NORTH CAROLINA EARLY THIS AFTERNOON. VERY HEAVY RAINBANDS WILL PRODUCE TORRENTIAL DOWNPOURS. AS MUCH AS ONE TO THREE INCHES OF RAIN IN AN HOUR IS POSSIBLE... AND THIS CAN EASILY LEAD TO PONDING OF WATER ON ROADS AND FLOODING OF LOW LYING AREAS. ALSO... STRONG WINDS A FEW THOUSAND FEET ABOVE THE GROUND MAY COME DOWN TO THE SURFACE AND LEAD TO BRIEF BUT GUSTY AND DAMAGING WINDS. SPOTTERS...ESPECIALLY NORTH AND EAST OF THE TRIANGLE...ARE ENCOURAGED TO RELAY REPORTS OF SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND ADDITIONAL WEATHER INFORMATION. MLM ********************************************************************* AjLAMANCE ANSON CHATHAM CUMBERLAND PERSON RANDOLPH RICHMOND SAMPSON SCOTLAND STANLY VANCE WAKE WARREN WAYNE WILSON
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, 5:31 PM EDT | Severe Thunderstorm Warning | RAH | Alamance | 14 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.