Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 73, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at May 7, 1998, 9:04 PM EDT for Chatham County, Wake County, North Carolina. It was in force for 31 min. 3 reports 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
- May 7, 1998, 9:04 PM EDT (01:04 UTC)
- Expired
- May 7, 1998, 9:35 PM EDT
- In force
- 31 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
Counties Chatham County, NC, Wake County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 7, 9:19 PM EDT | Hail 1.75 | Pittsboro, NC | Golfball size hail fell in northern Chatham county around Pittsboro and dime size hail fell on Cary as the storm moved east-southeast into Wake county. |
| May 7, 9:30 PM EDT | Hail 0.75 | Cary, NC | |
| May 7, 9:45 PM EDT | Hail 0.75 | Fuquay Spgs, NC | Dime size hail fell in downtown Fuquay-Varina. The report came from Skywarn. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 7, 7:00 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Roanoke, VA (KRNK), launched 00:00Z, 1.1 hours before the alert went out and 169 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
- 362 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 622 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 304 m²/s²
- 0-3 km storm-relative helicity
- 350 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
101 WUUS1 KRDU 080104 RRA SVRRDU NCC037-183-080135- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH NC 904 PM EDT THU MAY 7 1998 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN CHATHAM COUNTY WESTERN WAKE COUNTY * UNTIL 935 PM EDT * AT 905 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES EAST OF PITTSBORO NEAR JORDAN LAKE... MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... JORDAN LAKE APEX NEW HILL HARRIS LAKE HOLLY SPRINGS GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PWB/EDD
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, May 7, 5:26 PM EDT, 3 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
526 PM EDT THU MAY 07 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0510 PM CONCORD NC 1.75 INCH HAIL
05/07/98 PERSON OCCURRED AT THE SOUTH END
OF HYCO LAKE. REPORTED BY
COUNTY MAGISTRATE.Local storm report, May 7, 6:40 PM EDT, 2 hours 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
640 PM EDT THU MAY 07 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0635 PM CLEMMONS NC WIND DAMAGE
05/07/98 FORSYTH ROOF TORN OFF HOUSE.Local storm report, May 7, 7:42 PM EDT, 1 hour 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
742 PM EDT THU MAY 07 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0650 PM WINSTON SALEM NC 1 INCH HAIL
05/07/98 FORSYTH SOUTHERN PART OF CITY AT
HWY 421 AND PEACE HAVEN
0650 PM WINSTON SALEM NC WIND DAMAGE
05/07/98 FORSYTH SEVERAL TREES DOWN
SOUTHERN PART OF CITY AT
421 AND PEACE HAVEN
0655 PM MIDWAY NC WIND DAMAGE
05/07/98 DAVIDSON NUMEROUS TREES DOWN AT
FREEBURG CHURCH RD AND OLD
SALISBURY ROAD IN NORTHERN
PART OF COUNTYLocal storm report, May 7, 7:45 PM EDT, 1 hour 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
745 PM EDT THU MAY 07 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0700 PM KERNERSVILLE NC 1 INCH HAIL
05/07/98 FORSYTH REPORTED BY TRIAN SKYWARN
0730 PM ARCHDALE NC .88 INCH HAIL
05/07/98 RANDOLPH AT HWY 311 AND I-85.
REPORTED BY SKYWARN
SPOTTERLocal storm report, May 7, 7:52 PM EDT, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
752 PM EDT THU MAY 07 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0740 PM GREENSBORO NC WIND DAMAGE
05/07/98 GUILFORD ROOF TORN OFF CLUBHOUSE AT
SANDY RIDGE GOLF COURSE AT
NC HWY 68 AND PLEASANT
RIDGE RD. SEVERAL TREES
DOWN.
0745 PM HIGH PT NC .75 INCH HAIL
05/07/98 GUILFORD REPORTED BY SKYWARN.
SEVERAL TREES DOWN AT
CHIMNEY ROCK ROAD.The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 8:03 PM EDT | Tornado Warning | RAH | Alamance, Guilford | 32 min |
| May 7, 8:03 PM EDT | Tornado Warning | RAH | Chatham | 32 min |
| May 7, 9:01 PM EDT | Severe Thunderstorm Warning | RAH | Montgomery, Stanly | 34 min |
| May 7, 9:13 PM EDT | Severe Thunderstorm Warning | RAH | Person | 32 min |
| May 7, 9:34 PM EDT | Severe Thunderstorm Warning | RAH | Harnett, Johnston, Wake | 31 min |
| May 8, 9:33 AM EDT | Severe Thunderstorm Warning | RAH | Forsyth | 32 min |
| May 8, 10:59 AM EDT | Severe Thunderstorm Warning | RAH | Alamance | 31 min |
| May 8, 11:53 AM EDT | Severe Thunderstorm Warning | RAH | Vance | 32 min |
| May 8, 12:09 PM EDT | Severe Thunderstorm Warning | RAH | Granville, Vance | 31 min |
| May 8, 12:27 PM EDT | Severe Thunderstorm Warning | RAH | Warren | 33 min |
| May 8, 12:52 PM EDT | Severe Thunderstorm Warning | RAH | Warren | 33 min |
| May 8, 12:55 PM EDT | Severe Thunderstorm Warning | RAH | Halifax | 50 min |
| May 8, 1:44 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Halifax | 46 min |
| May 8, 3:22 PM EDT | Severe Thunderstorm Warning | RAH | Wayne | 48 min |
| May 8, 3:33 PM EDT | Severe Thunderstorm Warning | RAH | Wilson | 32 min |
| May 8, 3:42 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 33 min |
| May 8, 3:45 PM EDT | Severe Thunderstorm Warning | RAH | Person | 50 min |
| May 8, 4:20 PM EDT | Severe Thunderstorm Warning | RAH | Wilson | 50 min |
| May 8, 4:24 PM EDT | Severe Thunderstorm Warning | RAH | Granville | 51 min |
| May 8, 4:32 PM EDT | Severe Thunderstorm Warning | RAH | Wake | 33 min |
| May 8, 4:55 PM EDT | Severe Thunderstorm Warning | RAH | Franklin | 35 min |
| May 8, 5:33 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland | 32 min |
| May 8, 5:53 PM EDT | Severe Thunderstorm Warning | RAH | Johnston | 32 min |
| May 8, 6:04 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland | 31 min |
| May 8, 6:16 PM EDT | Severe Thunderstorm Warning | RAH | Harnett | 29 min |
| May 8, 6:31 PM EDT | Severe Thunderstorm Warning | RAH | Wayne | 29 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.