Alert archive / North Carolina / Flash Flood Warnings in 2012
Flash Flood Warning 35, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 22, 2012, 8:11 PM EDT for Guilford County, Randolph County, North Carolina. It was in force for 94 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 22, 2012, 8:11 PM EDT (00:11 UTC)
- Expired
- Aug 22, 2012, 9:45 PM EDT
- In force
- 94 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Guilford County, NC, Randolph County, NC
The radar
The Roanoke radar (KFCX), 117 km from the middle of the area, began a volume at 00:14 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
Roanoke, VA (KRNK), launched 00:00Z, 0.2 hours before the alert went out and 129 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
- 199 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1294 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
882
WGUS52 KRAH 230011
FFWRAH
NCC081-151-230145-
/O.NEW.KRAH.FF.W.0035.120823T0011Z-120823T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
811 PM EDT WED AUG 22 2012
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
* FLASH FLOOD WARNING FOR...
GUILFORD COUNTY IN CENTRAL NORTH CAROLINA
RANDOLPH COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 945 PM EDT
* AT 807 PM EDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING ALONG
NORTH BUFFALO CREEK IN THE VICINITY OF WESTOVER TERRACE. ALSO
LATHAM PARK WAS FLOODED. DOPPLER RADAR ESTIMATED THAT OVER FOUR
INCHES OF RAIN HAS FALLEN OVER GREENSBORO...MAINLY NORTH OF
DOWNTOWN. IN ADDITION...VERY HEAVY RAINFALL WAS FALLING OVER
SECTIONS OF NORTHWEST RANDOLPH COUNTY OVER THE EASTSIDE OF
THOMASVILLE EXTENDING INTO THE ARCHDALE AREA.
* LOCATIONS THREATENED WITH FLOODING INCLUDE MCLEANSVILLE...HIGH
POINT AND GREENSBORO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROAD.
AS LITTLE AS 6 INCHES OF WATER CAN CAUSE YOU TO LOSE CONTROL OF YOUR
VEHICLE. TWO FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES
INCLUDING SPORT UTILITY VEHICLES AND PICKUP TRUCKS. TURN AROUND...
DONT DROWN.
PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY CALLING...
1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW ENFORCEMENT
AGENCY.
&&
LAT...LON 3593 7966 3585 8005 3614 8004 3625 7958
3625 7956
$$
WSS2 follow-up statements
949
WGUS72 KRAH 230056
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
856 PM EDT WED AUG 22 2012
NCC081-151-230145-
/O.CON.KRAH.FF.W.0035.000000T0000Z-120823T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUILFORD NC-RANDOLPH NC-
856 PM EDT WED AUG 22 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR
NORTHWESTERN RANDOLPH AND GUILFORD COUNTIES...
AT 851 PM EDT...DOPPLER RADAR INDICATED THAT THE HEAVY RAIN BEING
PRODUCE BY SLOW MOVING THUNDERSTORMS WAS DIMINISHING. DOPPLER RADAR
ESTIMATED THAT UP TO FOUR INCHES OF RAIN HAS FALLEN OVER THE
NORTHERN SECTIONS OF GREENSBORO. THE LATEST GAGE READING AS OF 830
PM INDICATE THAT NORTH BUFFALO CREEK AT WENDOVER TERRACE HAS
RECEDED. HIGH WATER OCCURRING ACROSS THE CITY OF GREENSBORO WILL
BEGIN TO RECEDE SHORTLY.
LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT LIMITED TO
MCLEANSVILLE...HIGH POINT AND GREENSBORO
PRECAUTIONARY/PREPAREDNESS ACTIONS...
NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROAD.
AS LITTLE AS 6 INCHES OF WATER CAN CAUSE YOU TO LOSE CONTROL OF YOUR
VEHICLE. TWO FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES
INCLUDING SPORT UTILITY VEHICLES AND PICKUP TRUCKS. TURN AROUND...
DONT DROWN.
PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY CALLING...
1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW ENFORCEMENT
AGENCY.
&&
LAT...LON 3593 7966 3585 8005 3614 8004 3625 7958
3625 7956
$$
WSS655
WGUS72 KRAH 230144
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
944 PM EDT WED AUG 22 2012
NCC081-151-230150-
/O.EXP.KRAH.FF.W.0035.000000T0000Z-120823T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUILFORD NC-RANDOLPH NC-
944 PM EDT WED AUG 22 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 945 PM EDT FOR NORTHWESTERN
RANDOLPH AND GUILFORD COUNTIES...
AT 940 PM EDT...THE SLOW MOVING THUNDERSTORMS THAT PRODUCED THE VERY
HEAVY RAINFALL HAVE DISSIPATED. MOST CREEKS AND STREAMS HAVE RECEDED
OR WERE CRESTING...STILL IN THEIR BANKS. THUS THE FLASH FLOOD
WARNING WILL BE ALLOWED TO EXPIRE AT 945 PM.
IF YOU OBSERVED ANY FLOODING IN GUILFORD OR NORTHWEST RANDOLPH
COUNTIES...PLEASE REPORT THE FLOODING TO THE NATIONAL WEATHER
SERVICE BY CALLING...1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR
LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3593 7966 3585 8005 3614 8004 3625 7958
3625 7956
$$
WSSThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 5:56 PM EDT | Special Weather Statement | RAH | Sampson | 64 min |
| Aug 23, 7:23 PM EDT | Special Weather Statement | RAH | Cumberland, Sampson | 52 min |
Nearby
Flash Flood Warnings in North Carolina, 2012Every flash flood warning in 2012
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.