Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 29, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Mar 20, 1998, 9:52 PM EST for Johnston County, Wake County, North Carolina. It was in force for 18 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
- Mar 20, 1998, 9:52 PM EST (02:52 UTC)
- Expired
- Mar 20, 1998, 10:10 PM EST
- In force
- 18 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
Counties Johnston County, NC, Wake County, NC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 20, 10:00 PM EST | Hail 0.75 | Zebulon, NC | Dime sized hail fell in the town of Zebulon in eastern Wake county, reported by Wake county sheriff. |
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 |
|---|---|---|---|
| Mar 20, 7:00 PM EST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.9 hours before the alert went out and 134 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
- 486 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Mar 20, 6:54 PM EST, 2 hours 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
654 PM EST FRI MAR 20 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0649 PM DURHAM NC TORNADO
03/20/98 DURHAM *** 1 INJ ***
DURHAM COUNTY 911 REPORTED
A HOUSE DESTROYED AT 5706
BAHAMA ROAD.Local storm report, Mar 20, 6:57 PM EST, 2 hours 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
657 PM EST FRI MAR 20 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0646 PM RALEIGH NC 1 INCH HAIL
03/20/98 WAKE SKYWARN OBSERVER REPORTED
QUARTER SIZE HAIL AT MINI
CITY ON CAPITAL BLVDLocal storm report, Mar 20, 7:01 PM EST, 2 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
701 PM EST FRI MAR 20 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0650 PM WAKE FOREST NC .75 INCH HAIL
03/20/98 WAKE SKYWARN OBSERVER REPORTED
DIME SIZE HAIL IN WAKE
FORESTLocal storm report, Mar 20, 7:23 PM EST, 2 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
723 PM EST FRI MAR 20 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0721 PM LOUISBURG NC 2 INCH HAIL
03/20/98 FRANKLIN SKYWARN OBSERVER REPORTED
SILVER DOLLAR SIZE HAIL 7
MILES SOUTH OF LOUISBURG.Local storm report, Mar 20, 8:59 PM EST, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
859 PM EST FRI MAR 20 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0857 PM MORRISVILLE NC .75 INCH HAIL
03/20/98 WAKE SKYWARN OBSERVER REPORTED
DIME SIZE HAIL IN
MORRISVILLELocal storm report, Mar 20, 9:03 PM EST, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
903 PM EST FRI MAR 20 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0901 PM STOVALL NC .75 INCH HAIL
03/20/98 GRANVILLE SKYWARN OBSERVER REPORTED
DIME SIZE HAIL IN STOVALL
NEAR HIGHWAY 15.The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 7:05 PM EST | Severe Thunderstorm Warning | RAH | Durham, Wake | 30 min |
| Mar 20, 7:24 PM EST | Tornado Warning | RAH | Franklin | 31 min |
| Mar 20, 7:34 PM EST | Severe Thunderstorm Warning | RAH | Granville, Person | 46 min |
| Mar 20, 7:36 PM EST | Severe Thunderstorm Warning | RAH | Chatham | 34 min |
| Mar 20, 7:49 PM EST | Tornado Warning | RAH | Warren | 46 min |
| Mar 20, 7:58 PM EST | Severe Thunderstorm Warning | RAH | Orange | 47 min |
| Mar 20, 8:02 PM EST | Severe Thunderstorm Warning | RAH | Hoke, Scotland | 48 min |
| Mar 20, 8:24 PM EST | Flash Flood Warning | RAH | Durham | 31 min |
| Mar 20, 8:24 PM EST | Severe Thunderstorm Warning | RAH | Durham | 31 min |
| Mar 20, 8:41 PM EST | Severe Thunderstorm Warning | RAH | Harnett | 34 min |
| Mar 20, 8:46 PM EST | Tornado Warning | RAH | Granville | 49 min |
| Mar 20, 8:54 PM EST | Tornado Warning | RAH | Durham, Wake | 36 min |
| Mar 20, 9:08 PM EST | Flash Flood Warning | RAH | Orange | 32 min |
| Mar 20, 9:08 PM EST | Severe Thunderstorm Warning | RAH | Orange | 32 min |
| Mar 20, 9:20 PM EST | Severe Thunderstorm Warning | RAH | Cumberland | 20 min |
| Mar 20, 9:27 PM EST | Severe Thunderstorm Warning | RAH | Vance | 33 min |
| Mar 20, 9:35 PM EST | Severe Thunderstorm Warning | RAH | Durham | 30 min |
| Mar 20, 10:21 PM EST | Severe Thunderstorm Warning | RAH | Nash, Wilson | 34 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.