Alert archive / North Carolina / Flash Flood Warnings in 1996

Flash Flood Warning 23, NWS Raleigh, NC

September 6, 1996Wake County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Sep 6, 1996, 1:06 AM EDT for Wake County, North Carolina. It was in force for 6 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
Sep 6, 1996, 1:06 AM EDT (05:06 UTC)
Expired
Sep 6, 1996, 7:15 AM EDT
In force
6 hr
Issued by
NWS Raleigh, NC
Area
Whole counties

County Wake County, NC

The radar

The Raleigh/Durham radar (KRAX), 20 km from the middle of the area, began a volume at 05:05 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, 5.1 hours before the alert went out and 117 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 1996-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 220 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 1996-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
220 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
548 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 060510 COR
FFWRDU
NCC183-061115-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
106 AM EDT FRI SEP 6 1996

THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  715 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL NORTH CAROLINA

   ...WAKE COUNTY

AT 100 AM... CRABTREE CREEK CONTINUES TO RISE AT A RAPID RATE. AT
WAKE FOREST ROAD THE FLOOD STAGE IS 13 FT AND THE 100 AM STAGE WAS AT
12.83 AND RISING RAPIDLY. OTHER LOCATIONS ALONG THE CREEK WILL
EXPERIENCE FLOODING AS 3 TO 6 INCHES OF ADDITIONAL RAINFALL WILL OCCUR
DURING THE NEXT FEW HOURS. ALL PERSONS ALONG THE CREEK SHOULD TAKE
PRECAUTIONS TO PROTECT THEMSELVES FROM FLOODING.

FLOOD WATERS ARE HARDER TO SEE AT NIGHT AND MOST FLASH FLOOD FATALITIES
OCCUR AT NIGHT. DO NOT LEAVE YOUR HOME THIS MORNING UNLESS IT IS AN
EMERGENCY. WATCH FOR RAPIDLY RISING WATER.  BE PREPARED TO ACT
QUICKLY AND MOVE TO HIGHER GROUND IF FLASH FLOODING IS OBSERVED.

KRC

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 8:33 PM EDTFlash Flood WarningRAHWayne6 hr
Sep 5, 10:38 PM EDTFlash Flood WarningRAHCumberland6 hr
Sep 5, 11:51 PM EDTFlash Flood WarningRAHEdgecombe6 hr
Sep 6, 12:00 AM EDTFlash Flood WarningRAHJohnston6 hr
Sep 6, 12:06 AM EDTFlash Flood WarningRAHFranklin, Nash, Wake6 hr
Sep 6, 12:06 AM EDTFlash Flood WarningRAHWilson6 hr
Sep 6, 2:42 AM EDTFlash Flood WarningRAHDurham, Granville, Vance5 hr
Sep 6, 2:42 AM EDTFlash Flood WarningRAHAlamance, Chatham, Orange5 hr
Sep 6, 6:00 AM EDTFlash Flood WarningRAHWake6 hr
Sep 6, 8:12 AM EDTFlash Flood WarningRAHDurham5 hr

Nearby

Flash Flood Warnings in North Carolina, 1996Every 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.