Alert archive / North Carolina / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 190, NWS Greenville-Spartanburg, SC

August 28, 1997Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 28, 1997, 3:35 PM EDT for Mecklenburg County, North Carolina. It was in force for 55 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: Aug 28, 1997, 3:35 PM EDT (19:35 UTC)
Expired: Aug 28, 1997, 4:30 PM EDT
In force: 55 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Mecklenburg County, NC

The radar

The Greer radar (KGSP), 133 km from the middle of the area, began a volume at 19:37 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
Aug 28, 3:39 PM EDT	Thunderstorm Wind 50	Clt Douglas Arpt, NC

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, 7.6 hours before the alert went out and 125 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: 541 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1100 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 24 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.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 28, 1:37 PM EDT, 1 hour 58 minutes earlier.

Area forecast discussion, Aug 28, 1:37 PM EDT, 1 hour 58 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
137 PM EDT THU AUG 28 1997

ALL: SLIGHT CHANCE EACH EVENING...ENDING EARLY N TIER NC FRI
     EVENING. MOSTLY CLOUDY THROUGH PERIOD. PERSISTANCE TEMPS
     TONIGHT...THEN LOWERING SLIGHTLY FRI-SAT.

UPPER LOW IN S QUEBEC TO PROGRESS WHILE VORT LOBES SWING AROUND IT
GREAT LAKES-MID ATLANTIC REGION. FIRST VORT LOBE PASSES THROUGH VA
OVERNIGHT HAVING MINIMAL IMPACT ON AREA. MODELS BRING FRONT TO NC/VA
LINE 12Z FRI...AND TO NC/SC LINE 12Z SAT. AT 48 HOURS QUEBEC LOW FAR
ENOUGH EAST THAT SHORTWAVES ROTATING AROUND IT PASS N OF POTOMAC. A
WEAK IMPULSE TO CROSS TN VALLEY INTO GA FRI NIGHT AND MOIST UNSTABLE
AIR AHEAD OF FRONT SUPPORTS SLIGHT CHANCE POPS. FRONT STALLS OVER SC
SAT...BUT NO UPPER DYNAMICS AND DRYING OVER NC NOT SUPPORTIVE OF
POPS. WITH NO MOISTURE INFLOW MINIMUM TEMPERTURES SHOULD BE NEAR
PERSISTANCE TONIGHT. INCREASED CLOUDS FRI TO HOLD MAXIMUMS DOWN.
SLIGHT COOLING BEHIND FRONT IN NC FRI NIGHT AND SAT WHILE MOISTURE
AND CLOUDS DICTATE SC/GA TEMPS.

AVL   60/85/59/82   2020
CLT   68/90/67/87   2020
GSP   67/89/67/88   2020

JAT

In the hours before

Local storm report, Aug 28, 3:03 PM EDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
305 PM EDT THU AUG 28 1997

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

300 PM     4 NW BESSEMER CITY        NC   .75 INCH HAIL
08/28/97   GASTON                         AMATEUR RADIO REPORT. ALSO
                                          SEVERAL SMALL TREE LIMBS
                                          DOWN

JZ

Local storm report, Aug 28, 3:05 PM EDT, 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
305 PM EDT THU AUG 28 1997

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

300 PM     4 NW BESSEMER CITY        NC   .75 INCH HAIL
08/28/97   GASTON                         AMATEUR RADIO REPORT. ALSO
                                          SEVERAL SMALL TREE LIMBS
                                          DOWN

JZ

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 28, 2:49 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston	41 min
Aug 28, 4:12 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus	48 min
Aug 28, 4:35 PM EDT	Severe Thunderstorm Warning	GSP	Union	40 min
Aug 28, 5:52 PM EDT	Severe Thunderstorm Warning	GSP	Yancey	53 min
Aug 28, 3:48 PM EDT	Severe Thunderstorm Warning	GSP	Chester, York	57 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1997 Every severe thunderstorm warning in 1997

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.