Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 243, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jul 22, 1998, 6:56 PM EDT for Granville County, North Carolina. It was in force for 29 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 22, 1998, 6:56 PM EDT (22:56 UTC)
- Expired
- Jul 22, 1998, 7:25 PM EDT
- In force
- 29 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Granville County, NC
The radar
The Raleigh/Durham radar (KRAX), 73 km from the middle of the area, began a volume at 22:59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 22, 7:14 PM EDT | Thunderstorm Wind 50 | Oxford, NC | Several trees were downed on Sunset Road and US-158. |
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, 10.9 hours before the alert went out and 115 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
- 1081 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 1231 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 33 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 222256 RRA SVRRDU NCC077-222325- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH NC 656 PM EDT WED JUL 22 1998 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL GRANVILLE COUNTY * UNTIL 725 PM EDT * AT 652 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM TWO MILES NORTHWEST OF OXFORD... MOVING SLOWLY MOVING EAST AT 5 TO 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LEWIS 705 PM DEXTER 710 PM LARGE HAIL WILL OCCUR WITH THIS STORM. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! RLH
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
Local storm report, Jul 22, 3:37 PM EDT, 3 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
337 PM EDT WED JUL 22 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0305 PM BENSON NC 1 INCH HAIL
07/22/98 JOHNSTON QUARTER SIZED HAIL
REPORTED ALONG HIGHWAY 50
ABOUT 5 MILES SOUTHEAST OF
BENSON. REPORTED BY
JOHNSTON COUNTY 911
CENTER.Local storm report, Jul 22, 5:27 PM EDT, 1 hour 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
527 PM EDT WED JUL 22 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0525 PM BENSON NC 1 INCH HAIL
07/22/98 JOHNSTON JOHNSTON COUNTY 911
REPORTS NICKEL TO QUARTER
SIZED HAIL COVERING THE
GROUND 2 MILES SOUTHEAST
OF BENSON.The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 2:44 PM EDT | Severe Thunderstorm Warning | RAH | Johnston, Wayne | 31 min |
| Jul 22, 4:47 PM EDT | Severe Thunderstorm Warning | RAH | Harnett | 28 min |
| Jul 22, 5:08 PM EDT | Severe Thunderstorm Warning | RAH | Johnston | 32 min |
| Jul 22, 5:38 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 32 min |
| Jul 22, 6:13 PM EDT | Severe Thunderstorm Warning | RAH | Lee | 32 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.