Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 3, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Feb 17, 1998, 7:17 AM EST for Wake County, North Carolina. It was in force for 48 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
- Feb 17, 1998, 7:17 AM EST (12:17 UTC)
- Expired
- Feb 17, 1998, 8:05 AM EST
- In force
- 48 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Wake County, NC
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 0.3 hours before the alert went out and 117 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
- 593 m above ground
- 0-6 km bulk shear
- 88 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 456 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 171217 RRA SVRRDU NCC183-171300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH NC 717 AM EST TUE FEB 17 1998 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR WAKE COUNTY * UNTIL 805 AM EST * THIS STORM WILL AFFECT: FUQUAY VARINA BY 745 * RADAR INDICATED A VERY STRONG THUNDERSTORM IN SOUTHERN WAKE COUNTY MOVING TOWARD FUQUAY VARINA. THIS STORM COULD PRODUCE WIND GUST IN EXCESS OF 55 MPH. RA
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, Feb 17, 1:30 AM EST, 5 hours 47 minutes before
NCZ0007>011-024>028-040>043-075>078-084>086-088-089-171100- SPECIAL WEATHER STATEMENT...CORRECTED UGC CODING NATIONAL WEATHER SERVICE RALEIGH NC 130 AM EST TUE FEB 17 1998 ...STRONG WINDS WILL PREVAIL OVER THE AREA... WINDS 25 TO 40 MILES AN HOUR WITH HIGHER GUSTS WILL CONTINUE OVER THE AREA THROUGH THE EARLY MORNING HOURS. THE GUSTY WINDS ARE THE RESULT OF A COMBINATION OF LOW PRESSURE OVER THE SOUTH-CENTRAL U.S. AND HIGH PRESSURE OVER THE NORTH ATLANTIC. RHJ
Special weather statement, Feb 17, 1:30 AM EST, 5 hours 47 minutes before
NCZ0007>011-024>028-040>043-075>078-084>086-088-089-171100- SPECIAL WEATHER STATEMENT...CORRECTED UGC CODING NATIONAL WEATHER SERVICE RALEIGH NC 130 AM EST TUE FEB 17 1998 ...STRONG WINDS WILL PREVAIL OVER THE AREA... WINDS 25 TO 40 MILES AN HOUR WITH HIGHER GUSTS WILL CONTINUE OVER THE AREA THROUGH THE EARLY MORNING HOURS. THE GUSTY WINDS ARE THE RESULT OF A COMBINATION OF LOW PRESSURE OVER THE SOUTH-CENTRAL U.S. AND HIGH PRESSURE OVER THE NORTH ATLANTIC. RHJ
Special weather statement, Feb 17, 6:19 AM EST, 58 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088>089-172300- SEVERE WEATHER OUTLOOK FOR CENTRAL NORTH CAROLINA NATIONAL WEATHER SERVICE RALEIGH NC 620 AM EST TUE FEB 16 1997 ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS OVER CENTRAL NORTH CAROLINA TODAY... (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 THUNDERSORMS WITH LARGE HAIL AND DAMAGING WINDS OVER CENTRAL NORTH CAROLINA TODAY. AN INTENSE LOW PRESSURE SYSTEM THAT WILL MOVE NORTHEAST ACROSS THE TENNESSEE VALLEY. AS THIS LOW PRESSURE SYTEM MOVE NORTH A WARM FRONT THROUGH CENTRAL NORTH CAROLINA WILL LIFT NORTH AS A COLD FRONT APPROACH FROM THE WEST BY TONIGHT. WARM...MOIST AND UNSTABLE AIR EAST AND SOUTH OF THIS FRONTAL BOUNDARY WILL PROVIDE THE FOCUS STRONG THUNDERSTORM DEVELOPMENT. ADDITIONALLY VERY STRONG WINDS ARE OCCURRING OVER THE AREA. WITH SOILS OVERLY SATURATED FROM RECENT RAINS AND WEAKENED ROOT STRUCTURES...THESE STRONG WINDS COULD DOWN TREES AND POWER LINES. THIS COULD BE ENHANCED AS STRONG THUNDERSTORMS MOVE OVER THE AREA CAUSING A FEW DAMAGING DOWNBURST. ALSO WITH WARM MOIST AIR AT SURFACE AND MUCH COLDER AIR ABOVE WILL PROVIDE THE MEANS FOR LARGE HAIL FORMATION. SPOTTER ACTIVATION IS NOT BE NEEDED...BUT ANY REPORTS WOULD BE APPRECIATED. ANOTHER SEVERE WEATHER OUTLOOK WILL BE ISSUED AT 1100 AM. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS OR POSSIBLE WATCHES AND WARNINGS. RA ********************************************************************* 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, Feb 17, 6:54 AM EST, 23 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088-089-171325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 654 AM EST TUE FEB 17 1998 ...STRONG WINDS AND RAIN PRODUCING TREACHEROUS DRIVING CONDITIONS... THE COMBINATION OF MODERATE TO HEAVY RAIN... AND STRONG GUSTY WINDS OF 20 TO 30 MPH WITH GUSTS NEAR 40 MPH... ARE PRODUCING VERY DANGEROUS DRIVING CONDITIONS ACROSS CENTRAL AND EASTERN NORTH CAROLINA THIS MORNING. THE WIND-WHIPPED RAIN HAS BEEN RESPONSIBLE FOR SEVERAL TRAFFIC ACCIDENTS ACROSS THE AREA THIS MORNING. SLIPPERY... WATER-COVERED ROADS ARE ALSO MAKING FOR HAZARDOUS DRIVING CONDITIONS... WITH SEVERAL OCCURRENCES OF HYDROPLANING REPORTED. MOTORISTS SHOULD SLOW DOWN AND USE EXTREME CAUTION THIS MORNING. NEVER DRIVE THROUGH AREAS WHERE WATER COVERS THE ROAD. GIH
Special weather statement, Feb 17, 6:54 AM EST, 23 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088-089-171325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 654 AM EST TUE FEB 17 1998 ...STRONG WINDS AND RAIN PRODUCING TREACHEROUS DRIVING CONDITIONS... THE COMBINATION OF MODERATE TO HEAVY RAIN... AND STRONG GUSTY WINDS OF 20 TO 30 MPH WITH GUSTS NEAR 40 MPH... ARE PRODUCING VERY DANGEROUS DRIVING CONDITIONS ACROSS CENTRAL AND EASTERN NORTH CAROLINA THIS MORNING. THE WIND-WHIPPED RAIN HAS BEEN RESPONSIBLE FOR SEVERAL TRAFFIC ACCIDENTS ACROSS THE AREA THIS MORNING. SLIPPERY... WATER-COVERED ROADS ARE ALSO MAKING FOR HAZARDOUS DRIVING CONDITIONS... WITH SEVERAL OCCURRENCES OF HYDROPLANING REPORTED. MOTORISTS SHOULD SLOW DOWN AND USE EXTREME CAUTION THIS MORNING. NEVER DRIVE THROUGH AREAS WHERE WATER COVERS THE ROAD. GIH
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 6:12 AM EST | Flash Flood Warning | RAH | Stanly | 2 hr |
| Feb 17, 6:25 AM EST | Flash Flood Warning | RAH | Montgomery, Randolph | 90 min |
| Feb 17, 6:38 AM EST | Flash Flood Warning | RAH | Moore | 2 hr |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1998Every severe thunderstorm warning in 1998
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.