Alert archive / North Carolina / Flash Flood Warnings in 2004
Flash Flood Warning 46, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Sep 8, 2004, 8:43 AM EDT for Guilford County, North Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 8, 2004, 8:43 AM EDT (12:43 UTC)
- Expired
- Sep 8, 2004, 12:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Raleigh, NC
- Area
- Counties, with a storm outline in the text
County Guilford County, NC
The radar
The Roanoke radar (KFCX), 110 km from the middle of the area, began a volume at 12:44 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, 0.7 hours before the alert went out and 8 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
- 835 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 486 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KRAH 081246 FFWRAH NCC081-081600- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RALEIGH NC 843 AM EDT WED SEP 8 2004 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * FLASH FLOOD WARNING FOR... GUILFORD COUNTY IN CENTRAL NORTH CAROLINA * UNTIL 1200 PM EDT * AT 843 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER GUILFORD COUNTY EXTENDING FROM HIGH POINT NORTH TO THE AIRPORT AND STOKESDALE. RAINFALL RATES ARE BETWEEN 1 TO 2 INCHES PER HOUR. ANOTHER BAND OF HEAVY RAIN EXTENDING FROM ALBEMARLE SOUTH INTO SOUTH CAROLINA WILL REACH THE AREA AROUND 10 AM WHICH WILL RESULT IN ADDITIONAL FLOODING. SOME ROADS ARE CURRENTLY BEING CLOSED IN HIGH POINT. * HEAVY RAIN WILL CAUSE FLOODING AROUND... GREENSBORO... HIGH POINT... STOKESDALE... SUMMERFIELD... INTERSTATE 40 WEST OF GREENSBORO... 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. SMALL CREEKS AND STREAMS WILL RAPIDLY FLOOD...POSSIBLY WASHING OUT ROADS AND FLOODING NEARBY LOW AREAS. THOSE LIVING IN FLOOD PRONE AREAS OR NEARBY FLOODING CREEKS AND STREAM SHOULD MOVE TO HIGHER GROUND IMMEDIATELY. LAT...LON 3624 7965 3589 7967 3590 8008 3625 8003 $$ 04
1 follow-up statement
000 WGUS72 KRAH 081412 FFSRAH NCC081-081600- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 1008 AM EDT WED SEP 8 2004 ...A FLASH FLOOD WARNING CONTINUES IN EFFECT FOR GUILFORD COUNTY UNTIL NOON... AT 1006 AM EDT DOPPLER RADAR INDICATED HEAVY RAIN OVER GUILFORD COUNTY. A SECOND BAND OF HEAVY RAIN EXTENDS FROM HIGH POINT SOUTH TO TROY. THIS BAND IS MOVING NORTH AT 30 MPH AND WILL DROP HEAVY RAIN ACROSS HIGH POINT...GREENSBORO...STOKESDALE AND SUMMERFIELD. LOCATIONS THREATENED WITH FLASH FLOODING INCLUDE...GREENSBORO... HIGH POINT...STOKESDALE... SUMMERFIELD...INTERSTATE 40 WEST OF GREENSBORO...AND GREENSBORO. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER IS USUALLY DEEPER THAN IT APPEARS. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP MOST VEHICLES OFF THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. SMALL CREEKS AND STREAMS WILL RAPIDLY FLOOD...POSSIBLY WASHING OUT ROADS AND FLOODING NEARBY LOW AREAS. THOSE LIVING IN FLOOD PRONE AREAS OR NEARBY FLOODING CREEKS AND STREAM SHOULD MOVE TO HIGHER GROUND IMMEDIATELY. $$ 04
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 4:39 AM EDT | Tornado Warning | RAH | Hoke | 36 min |
| Sep 8, 5:02 AM EDT | Flash Flood Warning | RAH | Hoke | 88 min |
| Sep 8, 7:12 AM EDT | Flash Flood Warning | RAH | Anson | 3 hr |
| Sep 8, 7:41 AM EDT | Flash Flood Warning | RAH | Montgomery, Stanly | 3 hr |
| Sep 8, 8:00 AM EDT | Flash Flood Warning | RAH | Davidson, Randolph | 3 hr |
| Sep 8, 9:45 AM EDT | Tornado Warning | RAH | Richmond | 15 min |
| Sep 8, 10:21 AM EDT | Flash Flood Warning | RAH | Anson | 3 hr |
| Sep 8, 11:02 AM EDT | Flash Flood Warning | RAH | Davidson, Randolph, Stanly | 3 hr |
| Sep 8, 11:13 AM EDT | Tornado Warning | RAH | Lee, Moore | 32 min |
| Sep 8, 11:47 AM EDT | Tornado Warning | RAH | Lee | 13 min |
| Sep 8, 12:00 PM EDT | Flash Flood Warning | RAH | Guilford | 3 hr |
| Sep 8, 12:33 PM EDT | Tornado Warning | RAH | Orange | 27 min |
| Sep 8, 1:06 PM EDT | Tornado Warning | RAH | Harnett | 24 min |
| Sep 8, 1:08 PM EDT | Tornado Warning | RAH | Orange, Person | 37 min |
| Sep 8, 1:46 PM EDT | Tornado Warning | RAH | Person | 29 min |
| Sep 8, 3:29 PM EDT | Flash Flood Warning | RAH | Hoke | 91 min |
Nearby
Flash Flood Warnings in North Carolina, 2004Every flash flood warning in 2004
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.