Alert archive / North Carolina / Flash Flood Warnings in 1996

Flash Flood Warning 28, NWS Greenville-Spartanburg, SC

August 11, 1996Avery County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 11, 1996, 6:27 AM EDT for Avery County, North Carolina. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 11, 1996, 6:27 AM EDT (10:27 UTC)
Expired: Aug 11, 1996, 10:30 AM EDT
In force: 4 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Avery County, NC

The radar

The Knoxville radar (KMRX), 133 km from the middle of the area, began a volume at 10:26 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 10.5 hours before the alert went out and 182 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: 165 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1193 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KGSP 111029
FFWGSP
NCC011-111430-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
627 AM EDT SUN AUG 11 1996
 
THE NATIONAL WEATHER SERVICE IN GREENVILLE SPARTANBURG HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1030 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST NORTH CAROLINA
 
   ...SOUTHEASTERN AVERY COUNTY
 
HEAVY RAINS HAD FALLEN IN EXTREME SOUTHEAST AVERY COUNTY IN THE
EARLY MORNING HOURS. WEATHER SERVICE RADAR ESTIMATES GREATER THAN 5
INCHES OF RAIN HAVE FALLEN NEAR HARPERS CREEK SINCE 1 AM...AND
ADDITIONAL HEAVY RAIN WILL FALL FOR THE NEXT SEVERAL HOURS.
 
RESIDENTS AND ESPECIALLY CAMPERS IN EXTREME SOUTHEAST AVERY
COUNTY...NEAR KANAWA AND HARPERS CREEK...ARE URGED TO MOVE AWAY FROM
STREAMS AND CREEKS TOWARDS HIGHER GROUND.
 
KEEP AN EYE ON THE WEATHER AND RIVER OR STREAM CONDITIONS.
CAMPERS ALONG STREAM COURSES SHOULD BE PREPARED FOR THE
POSSIBILITY OF ADDITIONAL |HIGH WATER.
 
ZOLTOWSKI/JAT

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Aug 11, 2:24 AM EDT, 4 hours 3 minutes earlier.

Area forecast discussion, Aug 11, 2:24 AM EDT, 4 hours 3 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
225 AM EDT SUN AUG 11 1996

CAE: HEAVY RAIN POSSIBLE TONIGHT.
FFC: RAISE POPS. RAISE MINIMUMS. FRENCH BROAD QPS 2.00 INCHES.
RAH: BECOMING MOSTLY CLOUDY PIEDMONT/N FOOTHILLS.

STRONG SHORTWAVE DIVING INTO MS VALLEY PRECEDED BY VORT LOBE/SURFACE
LOW MOVING THROUGH GULF STATES. MODELS INDICATE SE FLOW TODAY AT 850
MB IMPROVING TO 15-25 KNOTS TONIGHT...WEAKENING 12Z MON AND BECOMING
SW 00Z TUE. EVENT LIKELY TO WIND DOWN 18Z MON AS 850 MB LOW ENTERS
AREA AND WINDS VEER. ENOUGH PRECIPITATION EARLY MON FOR HIGH POPS.
SECOND VORT/STRONG SHORTWAVE REACH AREA LATE MON...BUT LOW LEVEL FLOW
WOULD NOT FAVOR HIGH POP/QPF. 500 MB CONFLUENCE LACKING FOR CLASSICAL
WEDGE PATTERN TODAY/TONIGHT. PROGRESSIVE SURFACE RIDGE TRAVERSING NEW
ENGLAND. SURFACE WINDS TO TURN GRADUALLY SE...UNLESS IN-SITU OR LOOK
ALIKE TYPE WEDGE FORMS. WOULD STILL HOLD MAXIMUMS DOWN WITH PRECIP AT
MAX HEATING TODAY AND LITTLE SUN MONDAY. INCREASED MINIMUMS WITH DEW
POINT POOLING ALONG BOUNDARY AND PRECIPITATION SATURATING AIR MASS.
FFG RUNNING 2.5-4 INCHES/3 HOURS AND 4-6 INCHES/6 HOURS IN W NC...THE
AREA MOST THREATENED BY UPSLOPE FLOW. WITH HEAVY RAINFALL SHIFTING
STEADILY TO NE...WOULD NOT ISSUE FFA AT THIS TIME.

AVL   77/64/78   796
CLT   83/70/84   588
GSP   82/70/83   687

JAT

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 11, 4:16 AM EDT	Flash Flood Warning	GSP	Burke, Caldwell	4 hr
Aug 11, 7:45 AM EDT	Flash Flood Warning	GSP	Burke, Caldwell	4 hr

Nearby

Flash Flood Warnings in North Carolina, 1996 Every flash flood warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.