Alert archive / North Carolina / Flash Flood Warnings in 2016
Flash Flood Warning 34, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Sep 26, 2016, 11:07 PM EDT for Randolph 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 26, 2016, 11:07 PM EDT (03:07 UTC)
- Expired
- Sep 27, 2016, 2:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Flood severity
- None
County Randolph County, NC
The radar
The Raleigh/Durham radar (KRAX), 122 km from the middle of the area, began a volume at 03:08 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 00:00Z, 3.1 hours before the alert went out and 41 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
- 4 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 497 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
668 WGUS52 KRAH 270307 FFWRAH NCC151-270600- /O.NEW.KRAH.FF.W.0034.160927T0307Z-160927T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RALEIGH NC 1107 PM EDT MON SEP 26 2016 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * FLASH FLOOD WARNING FOR... RANDOLPH COUNTY IN CENTRAL NORTH CAROLINA... * UNTIL 200 AM EDT * AT 1104 PM EDT...DOPPLER RADAR INDICATED A SLOW MOVING THUNDERSTORM PRODUCING FLOODING ACROSS THE WARNED AREA. UP TO TWO TO TWO AND A HALF INCHES OF RAIN HAVE LIKELY FALLEN NEAR ASHEBORO SINCE 9 PM. ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. ADDITIONAL RAINFALL AMOUNTS OF ONE TO ONE AND A HALF INCHES ARE POSSIBLE IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 3583 8000 3589 7955 3551 7957 3551 8006 $$ WSS
2 follow-up statements
469 WGUS72 KRAH 270413 FFSRAH FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 1213 AM EDT TUE SEP 27 2016 NCC151-270600- /O.CON.KRAH.FF.W.0034.000000T0000Z-160927T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ RANDOLPH NC- 1213 AM EDT TUE SEP 27 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 AM EDT FOR RANDOLPH COUNTY... AT 1212 AM EDT...DOPPLER RADAR INDICATED THAT THUNDERSTORMS PRODUCING HEAVY RAIN HAVE MOVED SOUTH OF THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN NEAR ASHEBORO. MODERATE RAINFALL EXPECTED TO CONTINUE THROUGH 1 AM THEN TAPER OFF. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. ADDITIONAL RAINFALL AMOUNTS OF A HALF INCH ARE POSSIBLE IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 3583 8000 3589 7955 3551 7957 3551 8006 $$ WSS
500 WGUS72 KRAH 270500 FFSRAH FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 100 AM EDT TUE SEP 27 2016 NCC151-270509- /O.CAN.KRAH.FF.W.0034.000000T0000Z-160927T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ RANDOLPH NC- 100 AM EDT TUE SEP 27 2016 ...THE FLASH FLOOD WARNING FOR RANDOLPH COUNTY IS CANCELLED... THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PERIODS OF MODERATE RAINFALL WILL CONTINUE ACROSS RANDOLPH COUNTY THROUGH 2 AM. LAT...LON 3583 8000 3589 7955 3551 7957 3551 8006 $$ WSS
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 8:16 PM EDT | Special Weather Statement | RAH | Alamance, Randolph | 89 min |
| Sep 26, 8:59 PM EDT | Areal Flood Advisory | RAH | Davidson, Randolph | 3 hr |
| Sep 27, 3:31 PM EDT | Special Weather Statement | RAH | Harnett | 44 min |
| Sep 27, 3:41 PM EDT | Special Weather Statement | RAH | Sampson | 49 min |
| Sep 27, 7:49 PM EDT | Special Weather Statement | RAH | Randolph | 41 min |
Nearby
Flash Flood Warnings in North Carolina, 2016Every flash flood warning in 2016
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.