Alert archive / North Carolina / Flash Flood Warnings in 1996

Flash Flood Warning 1, NWS Raleigh, NC

May 11, 1996Johnston County, North Carolina

NWS Raleigh, NC issued this flash flood warning at May 11, 1996, 3:43 PM EDT for Johnston County, North Carolina. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 11, 1996, 3:43 PM EDT (19:43 UTC)
Expired
May 11, 1996, 4:45 PM EDT
In force
62 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Johnston County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.7 hours before the alert went out and 152 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 12:00Z on 1996-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 232 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 12:00Z on 1996-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
232 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
1182 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 111943
FFWRDU
NCC101-112045-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
343 PM EDT SAT MAY 11 1996
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  445 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL NORTH CAROLINA
 
   ...NORTHERN JOHNSTON COUNTY
 
AT 340 PM...A WEATHER SPOTTER IN NORTHERN JOHNSTON COUNTY REPORTED 3 TO
4 INCHES OF WATER AROUND ARCHERS LODGE. HEAVY RAINS HAVE BEEN OCCURRING
OVER NORTHERN JOHNSTON COUNTY FOR THE PAST HALF AN HOUR AND LOCALIZED
FLASH FLOODING CAN BE EXPECTED ANYWHERE EAST OF A LINE FROM CLAYTON TO
SELMA.
 
A FLASH FLOOD WARNING MEANS THAT FLOODI.NG IS OCCURRING OR IS
IMMINENT.  STAY ALERT IF YOU ARE IN FLOOD-PRONE AREAS NEAR STREAMS
AND CREEKS.  WATCH FOR RAPIDLY RISING WATER.  BE PREPARED TO ACT
QUICKLY AND MOVE TO HIGHER GROUND IF FLASH FLOODING IS OBSERVED.

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 3:20 PM EDTSevere Thunderstorm WarningRAHDavidson25 min
May 11, 3:27 PM EDTSevere Thunderstorm WarningRAHJohnston, Nash33 min
May 11, 3:46 PM EDTSevere Thunderstorm WarningRAHRandolph29 min
May 11, 4:09 PM EDTSevere Thunderstorm WarningRAHChatham51 min
May 11, 4:29 PM EDTSevere Thunderstorm WarningRAHOrange31 min
May 11, 4:47 PM EDTSevere Thunderstorm WarningRAHDurham, Granville, Wake43 min
May 11, 5:08 PM EDTSevere Thunderstorm WarningRAHHarnett37 min
May 11, 5:14 PM EDTSevere Thunderstorm WarningRAHFranklin, Vance31 min
May 11, 5:29 PM EDTSevere Thunderstorm WarningRAHWarren31 min
May 11, 5:32 PM EDTSevere Thunderstorm WarningRAHJohnston, Wake43 min
May 11, 5:53 PM EDTSevere Thunderstorm WarningRAHNash37 min
May 11, 6:38 PM EDTSevere Thunderstorm WarningRAHEdgecombe37 min
May 11, 7:29 PM EDTSevere Thunderstorm WarningRAHWayne31 min

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.