Alert archive / North Carolina / Flash Flood Warnings in 2016
Flash Flood Warning 2, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at May 21, 2016, 5:03 PM EDT for Guilford County, North Carolina. It was in force for 3 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
- May 21, 2016, 5:03 PM EDT (21:03 UTC)
- Expired
- May 21, 2016, 8:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Flood severity
- None
County Guilford County, NC
The radar
The Roanoke radar (KFCX), 113 km from the middle of the area, began a volume at 21:06 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 21, 5:12 PM EDT | FLASH FLOOD | 2 Se Greensboro, NC | ADDITIONAL CONFIRMED FLASH FLOODING BY GREENSBORO POLICE AT S EUGENE AND W WHITTINGTON ST. |
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, 9.1 hours before the alert went out and 15 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 636 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
741 WGUS52 KRAH 212103 FFWRAH NCC081-220000- /O.NEW.KRAH.FF.W.0002.160521T2103Z-160522T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RALEIGH NC 503 PM EDT SAT MAY 21 2016 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * FLASH FLOOD WARNING FOR... GUILFORD COUNTY IN CENTRAL NORTH CAROLINA... * UNTIL 800 PM EDT * AT 500 PM EDT...THUNDERSTORMS PRODUCING HEAVY RAIN ARE MOVING ACROSS THE WARNED AREA. EMERGENCY MANAGEMENT OFFICIALS REPORTED HIGH WATER ON US 29 AND MARKET STREET. OVER ONE INCH OF RAIN HAS ALREADY FALLEN IN THIS AREA AND ADDITIONAL THUNDERSTORMS WILL MOVE THROUGH OVER THE NEXT FEW HOURS. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... GREENSBORO...HIGH POINT...MCLEANSVILLE...SUMMERFIELD...GIBSONVILLE... STOKESDALE...PLEASANT GARDEN...LAKE TOWNSEND MARINA...LAKE GUILFORD MACKINTOSH MARINA AND LAKE BRANDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM THE HEAVY RAIN WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...ROADS...LOW LYING AND POOR DRAINAGE AREAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. MANY ROADS AND INTERSECTIONS IN THE AREA WILL QUICKLY FLOOD. WHEN ENCOUNTERING FLOODED ROADS...TURN AROUND...DONT DROWN. && LAT...LON 3615 7954 3592 7954 3604 8004 3625 8003 $$ 30
2 follow-up statements
248 WGUS72 KRAH 212207 FFSRAH FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 607 PM EDT SAT MAY 21 2016 NCC081-220000- /O.CON.KRAH.FF.W.0002.000000T0000Z-160522T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GUILFORD NC- 607 PM EDT SAT MAY 21 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR GUILFORD COUNTY... AT 605 PM EDT...EMERGENCY MANAGEMENT REPORTED HIGH WATER AT SOUTH EUGENE AND WEST WHITTINGTON STREET, AS WELL AS US 29 AND MARKET STREET IN GREENSBORO. OVER ONE INCH OF RAIN HAS ALREADY FALLEN. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... GREENSBORO...HIGH POINT...MCLEANSVILLE...SUMMERFIELD...GIBSONVILLE... STOKESDALE...PLEASANT GARDEN...LAKE TOWNSEND MARINA...LAKE GUILFORD MACKINTOSH MARINA AND LAKE BRANDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM THE HEAVY RAIN WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...ROADS...LOW LYING AND POOR DRAINAGE AREAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. MANY ROADS AND INTERSECTIONS IN THE AREA WILL QUICKLY FLOOD. WHEN ENCOUNTERING FLOODED ROADS...TURN AROUND...DONT DROWN. && LAT...LON 3615 7954 3592 7954 3604 8004 3625 8003 $$ 30
186 WGUS72 KRAH 212359 FFSRAH FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 759 PM EDT SAT MAY 21 2016 NCC081-220009- /O.EXP.KRAH.FF.W.0002.000000T0000Z-160522T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GUILFORD NC- 759 PM EDT SAT MAY 21 2016 ...THE FLASH FLOOD WARNING FOR GUILFORD COUNTY WILL EXPIRE AT 800 PM EDT... THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 3615 7954 3592 7954 3604 8004 3625 8003 $$ 30
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 3:43 PM EDT | Special Weather Statement | RAH | Guilford | 47 min |
| May 21, 3:55 PM EDT | Special Weather Statement | RAH | Forsyth | 65 min |
| May 21, 4:25 PM EDT | Severe Thunderstorm Warning | RAH | Guilford | 50 min |
| May 21, 5:00 PM EDT | Special Weather Statement | RAH | Forsyth | 45 min |
| May 21, 5:38 PM EDT | Areal Flood Advisory | RAH | Davidson, Forsyth, Guilford, Randolph | 2 hr |
| May 21, 6:11 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Randolph | 49 min |
| May 21, 6:51 PM EDT | Special Weather Statement | RAH | Chatham, Harnett, Lee, Wake | 39 min |
| May 21, 7:39 PM EDT | Special Weather Statement | RAH | Harnett | 66 min |
| May 21, 7:58 PM EDT | Special Weather Statement | RAH | Montgomery | 62 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.