Alert archive / North Carolina / Flash Flood Warnings in 2003
Flash Flood Warning 79, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 10, 2003, 5:43 PM EDT for Harnett County, North Carolina. It was in force for 2 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 10, 2003, 5:43 PM EDT (21:43 UTC)
- Expired
- Aug 10, 2003, 7:45 PM EDT
- In force
- 2 hr
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Harnett County, NC
The radar
The Raleigh/Durham radar (KRAX), 48 km from the middle of the area, began a volume at 21:44 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 12:00Z, 9.7 hours before the alert went out and 122 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.
- Mixed-layer CAPE
- 627 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 647 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KRAH 102149 FFWRAH NCC085-102345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RALEIGH NC 543 PM EDT SUN AUG 10 2003 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * FLASH FLOOD WARNING FOR... HARNETT COUNTY IN CENTRAL NORTH CAROLINA * UNTIL 745 PM EDT * AT 543 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAIN OVER HARNETT COUNTY. RAINFALL AMOUNTS IN EXCESS OF 2 INCHES HAVE FALLEN IN THE PAST COUPLE OF HOURS AND MANY SMALL STREAMS AND CREEKS ARE RAPIDLY OVERFLOWING THEIR BANKS AROUND MAMERS AND ALONG HIGHWAY 421 IN SEMINOLE. * ADDITIONAL RAIN WILL RUNOFF AND CAUSE FLOODING AROUND... TIMBERLAKE. SEMINOLE LILLINGTON. COATS. MAMERS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE EXPERIENCING FLOODING OR LIVE IN A FLOOD PRONE AREA MOVE TO HIGHER GROUND IMMEDIATELY. $$ 16
2 follow-up statements
000 WGUS72 KRAH 102249 FFSRAH NCC085-110000- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 645 PM EDT SUN AUG 10 2003 ...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR HARNETT COUNTY UNTIL 745 PM... AT 630 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS...SOME CONTAINING LOCALLY HEAVY RAINFALL CONTINUING TO MOVE ACROSS HARNETT COUNTY. AT 630 PM COUNTY EMERGENCY OFFICIALS REPORTED PORTIONS OF NUMEROUS ROADS IN THE WESTERN PART OF THE COUNTY WERE CLOSED...IMPASSABLE AND BRIDGES WERE WASHED OUT. OFFICIALS REPORTED SPRING HILL AND MCDOUGAL ROADS HAD 7 TO 10 INCHES OF STANDING WATER ON THE ROADS AND WERE CLOSED. 3 TO 4 FEET OF WATER COVERED HIGHLAND DRIVE IN BROADWAY. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER IS USUALLY DEEPER THAN IT APPEARS. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP MOST VEHICLES OFF THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...HIGHWAYS...STREETS AND UNDERPASSES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. WITH THE APPROACH OF NIGHTFALL...BE ESPECIALLY CAUTIOUS AS IT WILL BE HARDER TO SEE HIGH WATER AND OR WATER OVER THE ROADWAYS. $$ 16
000 WGUS72 KRAH 102350 FFSRAH NCC085-110100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 736 PM EDT SUN AUG 10 2003 THE FLASH FLOOD WARNING FOR HARNETT COUNTY HAS EXPIRED... THE SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL HAVE MOVED OUT OF THE COUNTY. THE FLASH FLOOD WARNING HAS EXPIRED. HOWEVER SOME OCCASIONAL MODERATE RAINFALL CAN BE EXPECTED WHERE ADDITIONAL RAINFALL AMOUNTS OF ONE HALF TO THREE QUARTERS OF AN INCH ARE POSSIBLE. TWO TO FOUR INCHES OF RAIN WERE WIDESPREAD OVER THE WESTERN PART OF THE COUNTY WITH 1 TO 3 INCHES FELL IN THE EAST DURING THE AFTERNOON INTO EARLY THIS EVENING. NUMEROUS ROAD CLOSINGS AND OR IMPASSABLE WERE REPORTED IN THE WESTERN HALF OF THE COUNTY AND WILL CONTINUE INTO THE NIGHT. RESIDUAL WATER FROM THE EARLIER DOWNPOURS WILL MAKE DRIVING HAZARDOUS ACROSS THE COUNTY...ESPECIALLY IN THE WEST AS WATER ON THE ROAD WILL BE DIFFICULT TO SEE IN THE DARK AND A NUMBER OF BRIDGES HAVE BEEN WASHED OUT. HEED THE OFFICIAL BARRICADES. TURN AROUND AND FIND ALTERNATE ROUTES. $$ 16
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 8:16 PM EDT | Flash Flood Warning | RAH | Orange | 119 min |
| Aug 9, 9:42 PM EDT | Flash Flood Warning | RAH | Durham | 93 min |
| Aug 9, 9:56 PM EDT | Flash Flood Warning | RAH | Davidson | 94 min |
| Aug 10, 12:17 AM EDT | Flash Flood Warning | RAH | Randolph | 118 min |
| Aug 10, 12:35 AM EDT | Flash Flood Warning | RAH | Montgomery | 100 min |
| Aug 10, 2:15 AM EDT | Flash Flood Warning | RAH | Montgomery, Randolph | 3 hr |
| Aug 10, 11:50 AM EDT | Flash Flood Warning | RAH | Wake | 115 min |
| Aug 10, 5:33 PM EDT | Flash Flood Warning | RAH | Moore | 87 min |
Nearby
Flash Flood Warnings in North Carolina, 2003Every flash flood warning in 2003
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.