Alert archive / North Carolina / Flash Flood Warnings in 2012

Flash Flood Warning 43, NWS Raleigh, NC

September 3, 2012Stanly County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Sep 3, 2012, 4:14 PM EDT for Stanly County, North Carolina. It was in force for 2 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 3, 2012, 4:14 PM EDT (20:14 UTC)
Expired
Sep 3, 2012, 6:17 PM EDT
In force
2 hr
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Flood severity
None

County Stanly County, NC

The radar

The Raleigh/Durham radar (KRAX), 164 km from the middle of the area, began a volume at 20:14 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.

What was reported inside it

TimeReportWhereRemark
Sep 3, 5:10 PM EDTFLASH FLOODAlbemarle, NCFLOODING ENDED IN STANLY COUNTY AND ROADS REOPENED AT 510PM.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.2 hours before the alert went out and 88 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2012-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 576 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2012-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
576 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
801 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

139 
WGUS52 KRAH 032014
FFWRAH
NCC167-032315-
/O.NEW.KRAH.FF.W.0043.120903T2014Z-120903T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
414 PM EDT MON SEP 3 2012

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  STANLY COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 715 PM EDT

* AT 410 PM EDT...LOCAL LAW ENFORCEMENT REPORTED THUNDERSTORMS WITH
  VERY HEAVY RAIN PRODUCING FLOODING OVER STANLY COUNTY. DOPPLER   
RADAR ESTIMATED THAT 3 INCHES OF RAIN  HAS FALLEN OVER ALBEMARLE.

* LOCATIONS THREATENED WITH FLOODING INCLUDE PLYLER AND ALBEMARLE. 
FLOODING IS STILL ONGOING.

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 3551 8029 3550 8018 3548 8017 3547 8013
      3540 8009 3537 8005 3521 8025 3516 8035
      3517 8037 3517 8048 3519 8051

$$

10
2 follow-up statements
720 
WGUS72 KRAH 032040
FFSRAH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
440 PM EDT MON SEP 3 2012

NCC167-032315-
/O.CON.KRAH.FF.W.0043.000000T0000Z-120903T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STANLY NC-
440 PM EDT MON SEP 3 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR
STANLY COUNTY...

AT 423 PM EDT...DOPPLER RADAR ESTIMATED THAT 4 TO 6 INCHES
OF RAIN HAS FALLEN NEAR THE ALBEMARLE SINCE 1 PM EDT. 
WHILE THE HEAVY RAINFALL HAS MOVED OUT OF THE AREA...LOCAL LAW 
ENFORCEMENT CONTINUES TO REPORT ONGOING FLOODING IN THE ALBEMARLE 
CITY LIMITS. ADDITIONALLY...ANOTHER AREA OF HEAVY RAIN PRODUCING 
STORMS COULD MOVE INTO THE WARNING AREA OVER THE NEXT COUPLE OF 
HOURS...WHICH COULD RESULT IN ADDITIONAL FLOODING. 

LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT LIMITED TO 
PLYLER AND ALBEMARLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RESIDENTS AND MOTORISTS ARE ADVISED TO BE ON THE ALERT FOR FLASH 
FLOODING OF AREA ROADS...CREEKS AND STREAMS. 

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 3551 8029 3550 8018 3548 8017 3547 8013
      3540 8009 3537 8005 3521 8025 3516 8035
      3517 8037 3517 8048 3519 8051

$$

23
606 
WGUS72 KRAH 032217
FFSRAH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
617 PM EDT MON SEP 3 2012

NCC167-032227-
/O.CAN.KRAH.FF.W.0043.000000T0000Z-120903T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STANLY NC-
617 PM EDT MON SEP 3 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR STANLY COUNTY...

ALL ROADS HAVE BEEN REOPENED AT THIS TIME.

LAT...LON 3551 8029 3550 8018 3548 8017 3547 8013
      3540 8009 3537 8005 3521 8025 3516 8035
      3517 8037 3517 8048 3519 8051

$$

ELLIS

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 2, 8:20 PM EDTSpecial Weather StatementRAHAlamance, Orange85 min
Sep 2, 8:28 PM EDTSevere Thunderstorm WarningRAHAlamance, Durham, Orange, Person53 min
Sep 2, 8:42 PM EDTTornado WarningRAHDurham, Orange, Person33 min
Sep 2, 9:20 PM EDTSpecial Weather StatementRAHGranville, Vance55 min
Sep 2, 9:43 PM EDTSpecial Weather StatementRAHChatham, Durham, Lee, Moore, Orange62 min
Sep 2, 10:26 PM EDTSpecial Weather StatementRAHLee, Wake94 min
Sep 2, 11:09 PM EDTSpecial Weather StatementRAHFranklin, Granville, Nash, Wake51 min
Sep 2, 11:42 PM EDTAreal Flood AdvisoryRAHWake108 min
Sep 3, 2:35 AM EDTAreal Flood AdvisoryRAHMontgomery, Richmond99 min
Sep 3, 1:00 PM EDTSpecial Weather StatementRAHDavidson, Forsyth, Guilford, Randolph90 min
Sep 3, 1:01 PM EDTFlash Flood WarningRAHForsyth3 hr
Sep 3, 1:06 PM EDTSpecial Weather StatementRAHAnson, Montgomery, Stanly84 min
Sep 3, 1:09 PM EDTAreal Flood AdvisoryRAHStanly3 hr
Sep 3, 1:18 PM EDTFlash Flood WarningRAHStanly3 hr
Sep 3, 1:21 PM EDTSevere Thunderstorm WarningRAHForsyth, Guilford39 min
Sep 3, 1:27 PM EDTSevere Thunderstorm WarningRAHMontgomery, Randolph, Stanly48 min
Sep 3, 2:23 PM EDTAreal Flood AdvisoryRAHGuilford3 hr
Sep 3, 2:35 PM EDTSpecial Weather StatementRAHAnson, Montgomery, Moore, Richmond, Stanly85 min
Sep 3, 2:38 PM EDTSpecial Weather StatementRAHDavidson, Forsyth, Guilford, Randolph97 min
Sep 3, 2:53 PM EDTFlash Flood WarningRAHGuilford3 hr
Sep 3, 3:34 PM EDTAreal Flood AdvisoryRAHRandolph2 hr
Sep 3, 3:59 PM EDTSpecial Weather StatementRAHHoke, Lee, Moore, Richmond, Scotland91 min
Sep 3, 4:03 PM EDTSpecial Weather StatementRAHAlamance, Chatham, Orange87 min
Sep 3, 4:17 PM EDTSevere Thunderstorm WarningRAHAlamance, Orange58 min
Sep 3, 4:52 PM EDTAreal Flood AdvisoryRAHAlamance, Orange2 hr
Sep 3, 4:57 PM EDTSevere Thunderstorm WarningRAHRichmond, Scotland48 min
Sep 3, 5:40 PM EDTAreal Flood AdvisoryRAHDurham, Orange3 hr
Sep 3, 5:41 PM EDTSpecial Weather StatementRAHWake64 min
Sep 3, 5:49 PM EDTSpecial Weather StatementRAHWilson56 min
Sep 3, 6:21 PM EDTSpecial Weather StatementRAHDurham54 min
Sep 3, 7:41 PM EDTSpecial Weather StatementRAHWake64 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.