Alert archive / North Carolina / Flash Flood Warnings in 2003
Flash Flood Warning 49, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 1, 2003, 7:29 PM EDT for Wake County, North Carolina. It was in force for 91 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
- Aug 1, 2003, 7:29 PM EDT (23:29 UTC)
- Expired
- Aug 1, 2003, 9:00 PM EDT
- In force
- 91 min
- 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 23:29 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, 11.5 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.
- Mixed-layer CAPE
- 769 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 476 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KRAH 012330 FFWRAH NCC183-020100- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RALEIGH NC 729 PM EDT FRI AUG 1 2003 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * FLASH FLOOD WARNING FOR... EASTERN WAKE COUNTY IN CENTRAL NORTH CAROLINA * UNTIL 900 PM EDT * AT 729 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN OVER EASTERN WAKE COUNTY. RADAR ESTIMATES SHOW OVER 3 INCHES OF RAIN HAS FALLEN OVER PARTS OF EASTERN WAKE COUNTY...ESPECIALLY BETWEEN THE TOWNS OF WENDELL AND GARNER ALONG HIGHWAY 70. * THUNDERSTORMS ARE CONTINUOUSLY REDEVELOPING AROUND... WENDELL. NEW HOPE. KNIGHTDALE. GARNER. 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. $$ RFG
2 follow-up statements
000 WGUS72 KRAH 020002 FFSRAH NCC183-020100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 757 PM EDT FRI AUG 1 2003 ...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR SOUTHEASTERN WAKE COUNTY THROUGH 900 PM THIS EVENING... AT 750 PM EDT DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUOUSLY MOVING ACROSS SOUTHEASTERN WAKE COUNTY. LOCATIONS THREATENED WITH FLASH FLOODING INCLUDE...KNIGHTDALE... GARNER... SHOTWELL...TO WENDELL. WEATHER RADAR ESTIMATES THAT RAINFALL OF THREE INCHES OR MORE HAS FALLEN IN SOUTHEASTERN WAKE COUNTY SINCE 500 PM. LOCAL AMOUNTS UP TO 5 OR 6 INCHES MAY HAVE FALLEN IN PARTS OF THE WARNING AREA. THIS IS LIKELY LEADING TO FLASH FLOODING ON AREA CREEKS AND STREAMS AND EXTENSIVE HIGHWAY FLOODING. NEVER ALLOW CHILDREN TO PLAY NEAR STORM DRAINS OR NEAR FLOODED CREEKS AND STREAMS. EXCESSIVE RUNOFF WILL CREATE RAPIDLY FLOWING WATER THAT CAN EASILY SWEEP A CHILD DOWNSTREAM. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. $$ RFG
000 WGUS72 KRAH 020035 FFSRAH NCC183-020100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 830 PM EDT FRI AUG 1 2003 ...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR SOUTHEASTERN WAKE COUNTY THROUGH 900 PM THIS EVENING... AT 825 PM EDT DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUOUSLY MOVING OVER SOUTHEASTERN WAKE COUNTY. ANOTHER SURGE OF SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAIN IS LIKELY TO MOVE IN FROM THE SOUTHWEST AROUND 900 PM. THIS MAY REQUIRE THAT THE FLASH FLOOD WARNING BE EXTENDED LATER INTO THE NIGHT. WEATHER RADAR AND SPOTTER OBSERVATIONS INDICATE OVER THREE INCHES OF RAIN HAS FALLEN IN SOUTHEASTERN WAKE COUNTY THIS EVENING. LOCALLY HEAVIER AMOUNTS IN EXCESS OF 6 INCHES MAY HAVE FALLEN... PARTICULARLY IN AN AREA NEAR THE NEUSE RIVER AND THE COMMUNITY OF SHOTWELL. LOCATIONS THREATENED WITH FLASH FLOODING INCLUDE...KNIGHTDALE... GARNER...SHOTWELL TO WENDELL. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. $$ RFG
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 10:21 PM EDT | Flash Flood Warning | RAH | Montgomery | 84 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.