Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 229, NWS Raleigh, NC

July 19, 1998Montgomery County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 19, 1998, 6:07 PM EDT for Montgomery County, North Carolina. It was in force for 48 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 19, 1998, 6:07 PM EDT (22:07 UTC)
Expired: Jul 19, 1998, 6:55 PM EDT
In force: 48 min
Issued by: NWS Raleigh, NC
Area: Whole counties

County Montgomery County, NC

The radar

The Raleigh/Durham radar (KRAX), 133 km from the middle of the area, began a volume at 22:10 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 19, 6:13 PM EDT	Thunderstorm Wind 50	Troy, NC	Several trees were uprooted and snapped off due to a thunderstorm downburst over western Montgomery county.

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, 10.1 hours before the alert went out and 83 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1872 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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, Jul 19, 6:06 PM EDT, 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
606 PM EDT SUN JUL 19 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0545 PM    FAYETTEVILLE              NC   1 INCH HAIL
07/19/98   CUMBERLAND                     QUARTER SIZE HAIL REPORTED
                                          BY CUMBERLAND COUNTY 911
                                          ON I-95 5 MILES SOUTHEAST
                                          OF FAYETTEVILLE.

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 19, 5:42 AM EDT	Severe Thunderstorm Warning	RAH	Cumberland	38 min
Jul 19, 5:42 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland	38 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1998 Every 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.