Alert archive / North Carolina / Flash Flood Warnings in 2012
Flash Flood Warning 30, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 19, 2012, 8:03 AM EDT for Durham County, North Carolina. It was in force for 50 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 19, 2012, 8:03 AM EDT (12:03 UTC)
- Expired
- Aug 19, 2012, 8:53 AM EDT
- In force
- 50 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Flood severity
- None
County Durham County, NC
The radar
The Raleigh/Durham radar (KRAX), 48 km from the middle of the area, began a volume at 12:06 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, 0.1 hours before the alert went out and 100 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
- 303 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
186
WGUS52 KRAH 191203
FFWRAH
NCC063-191330-
/O.NEW.KRAH.FF.W.0030.120819T1203Z-120819T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
803 AM EDT SUN AUG 19 2012
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
* FLASH FLOOD WARNING FOR...
DURHAM COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 930 AM EDT
* AT 758 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS PRODUCING FLOODING OVER EASTERN DURHAM
COUNTY. DOPPLER RADAR ESTIMATED THAT OVER 1.5 INCHES OF RAIN HAS
FALLEN OVER THE CITY OF DURHAM SINCE 630 AM.
* LOCATIONS THREATENED WITH FLOODING INCLUDE PARKWOOD...GORMAN AND
BETHESDA.
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 3609 7881 3607 7879 3607 7875 3603 7875
3602 7874 3603 7871 3598 7871 3592 7876
3593 7880 3589 7882 3586 7888 3587 7894
3624 7886 3624 7880
$$
WSS1 follow-up statement
342
WGUS72 KRAH 191253
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
853 AM EDT SUN AUG 19 2012
NCC063-191300-
/O.CAN.KRAH.FF.W.0030.000000T0000Z-120819T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DURHAM NC-
853 AM EDT SUN AUG 19 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN DURHAM
COUNTY...
AT 845 AM EDT...THE HEAVY RAINFALL HAS ENDED ACROSS DURHAM COUNTY
AND COUNTY OFFICIALS REPORT NO PROBLEMS DUE TO HIGH WATER AT THIS
TIME. THUS...THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
HOWEVER...ANOTHER BATCH OF SHOWERS AND THUNDERSTORMS WITH HEAVY
RAINFALL MAY AFFECT THE DURHAM LATER THIS MORNING OR EARLY THIS
AFTERNOON. DUE TO THE RECENT HEAVY RAINFALL...CREEKS AND STREAMS
WILL LIKELY RESPOND QUICKLY...POSSIBLY LEADING TO MINOR FLOODING.
LAT...LON 3609 7881 3607 7879 3607 7875 3603 7875
3602 7874 3603 7871 3598 7871 3592 7876
3593 7880 3589 7882 3586 7888 3587 7894
3624 7886 3624 7880
$$
WSSThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 8:34 PM EDT | Special Weather Statement | RAH | Wayne | 11 min |
| Aug 19, 4:26 AM EDT | Special Weather Statement | RAH | Alamance, Chatham, Durham, Franklin, Granville, Guilford and 6 more | 2 hr |
| Aug 19, 4:49 AM EDT | Areal Flood Advisory | RAH | Alamance, Guilford, Orange, Randolph | 3 hr |
| Aug 19, 6:04 AM EDT | Special Weather Statement | RAH | Alamance, Chatham, Durham, Franklin, Granville, Guilford and 6 more | 116 min |
| Aug 19, 6:58 AM EDT | Special Weather Statement | RAH | Chatham, Durham, Franklin, Granville, Orange, Person and 2 more | 92 min |
| Aug 19, 7:37 AM EDT | Areal Flood Advisory | RAH | Guilford | 4 hr |
| Aug 19, 7:40 AM EDT | Special Weather Statement | RAH | Anson, Montgomery, Richmond, Stanly | 65 min |
| Aug 19, 8:24 AM EDT | Special Weather Statement | RAH | Franklin, Nash, Vance, Warren | 51 min |
| Aug 19, 8:47 AM EDT | Special Weather Statement | RAH | Anson, Richmond, Scotland | 58 min |
| Aug 19, 8:55 AM EDT | Severe Thunderstorm Warning | RAH | Franklin, Halifax, Nash, Warren | 65 min |
| Aug 19, 9:05 AM EDT | Severe Thunderstorm Warning | RAH | Halifax, Warren | 40 min |
| Aug 19, 9:09 AM EDT | Tornado Warning | RAH | Halifax | 23 min |
| Aug 19, 9:20 AM EDT | Areal Flood Advisory | RAH | Halifax, Vance, Warren | 3 hr |
| Aug 19, 9:25 AM EDT | Special Weather Statement | RAH | Montgomery, Moore | 65 min |
| Aug 19, 9:41 AM EDT | Flash Flood Warning | RAH | Halifax, Warren | 2 hr |
| Aug 19, 9:47 AM EDT | Special Weather Statement | RAH | Hoke, Richmond, Scotland | 58 min |
| Aug 19, 9:47 AM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Halifax, Nash | 58 min |
| Aug 19, 10:28 AM EDT | Special Weather Statement | RAH | Cumberland, Harnett, Hoke, Lee, Moore | 62 min |
| Aug 19, 11:22 AM EDT | Flash Flood Warning | RAH | Halifax, Warren | 2 hr |
| Aug 19, 11:26 AM EDT | Special Weather Statement | RAH | Cumberland, Harnett, Sampson | 64 min |
| Aug 19, 11:35 AM EDT | Areal Flood Advisory | RAH | Wake | 78 min |
| Aug 19, 12:26 PM EDT | Special Weather Statement | RAH | Sampson, Wayne | 64 min |
| Aug 19, 7:14 PM EDT | Special Weather Statement | RAH | Sampson | 46 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.