Alert archive / North Carolina / Flash Flood Warnings in 2002
Flash Flood Warning 42, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Sep 18, 2002, 2:55 PM EDT for Guilford County, North Carolina. It was in force for 110 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 18, 2002, 2:55 PM EDT (18:55 UTC)
- Expired
- Sep 18, 2002, 4:45 PM EDT
- In force
- 110 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Guilford County, NC
The radar
The Roanoke radar (KFCX), 114 km from the middle of the area, began a volume at 18:57 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, 6.9 hours before the alert went out and 10 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
- 1538 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS52 KRAH 181855 FFWRAH NCC081-182045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RALEIGH NC 247 PM EDT WED SEP 18 2002 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * FLASH FLOOD WARNING FOR... GUILFORD COUNTY IN CENTRAL NORTH CAROLINA * UNTIL 445 PM EDT * AT 247 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER THE WARNED AREA. * SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL OVER SOUTHWESTERN PORTION OF GUILFORD COUNTY. SKYWARN SPOTTER REPORTED 6 TO 8 INCHES OF WATER ON PROSPECT STREET IN HIGH POINT. MOTORIST ALONG US 70 SHOULD BE ALERT FOR HIGH WATER. RADAR ESTIMATES 1.5 TO 2.0 INCHES OF RAIN HAS FALLEN IN THE PAST HOUR...HOWEVER ANOTHER AREA OF HEAVY RAIN WILL MOVE ACROSS THE AREA BRINGING AN ADDITIONAL 1 TO 2 INCHES. $$ LAT...LON 3623 7955 3590 7961 3588 8003 3623 8003 23
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 12:16 PM EDT | Flash Flood Warning | RAH | Cumberland | 59 min |
| Sep 18, 12:29 PM EDT | Flash Flood Warning | RAH | Chatham | 61 min |
| Sep 18, 2:42 PM EDT | Flash Flood Warning | RAH | Randolph | 108 min |
| Sep 18, 3:04 PM EDT | Flash Flood Warning | RAH | Randolph | 116 min |
| Sep 18, 4:30 PM EDT | Flash Flood Warning | RAH | Forsyth | 2 hr |
| Sep 18, 4:52 PM EDT | Flash Flood Warning | RAH | Randolph | 98 min |
| Sep 18, 5:21 PM EDT | Flash Flood Warning | RAH | Davidson | 99 min |
| Sep 18, 5:37 PM EDT | Flash Flood Warning | RAH | Montgomery | 83 min |
| Sep 18, 5:51 PM EDT | Flash Flood Warning | RAH | Stanly | 84 min |
| Sep 18, 6:26 PM EDT | Flash Flood Warning | RAH | Forsyth | 94 min |
Nearby
Flash Flood Warnings in North Carolina, 2002Every flash flood warning in 2002
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.