North Carolina, 1999

Flash Flooding in North Carolina, September 5, 1999

September 5, 1999 · NWS RAH · 7 events in 7 counties and zones

This water caused many streams and creeks to overflow their banks. In the Capital area, the Crabtree Creek and Walnut Creek flooded nearly streets and communities.

Where it happened

Every event with a place to put it; 7 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
7

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS RAH wrote it up.

The remnants of Hurricane Dennis dumped 6-8 inches of rain across the Heart of Carolina.This water caused many streams and creeks to overflow their banks. In the Capital area, the Crabtree Creek and Walnut Creek flooded nearly streets and communities. The same scenario was repeated across the rest of the Triangle and surrounding counties.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

7 flash flood. Local standard time, as filed.

Flash Flood, Chatham

When
September 5, 1:00 PM EST to 6:00 PM EST
Where
Chatham County, Countywide
Reported by
EMERGENCY MANAGER
Coordinates
35.703, -79.255 (the zone’s center; the record gives no point)

Flash Flood, Durham

When
September 5, 1:00 PM EST to 6:00 PM EST
Where
Durham County, Countywide
Reported by
EMERGENCY MANAGER
Coordinates
36.036, -78.876 (the zone’s center; the record gives no point)

Flash Flood, Granville

When
September 5, 1:00 PM EST to 6:00 PM EST
Where
Granville County, Countywide
Reported by
EMERGENCY MANAGER
Coordinates
36.304, -78.653 (the zone’s center; the record gives no point)

Flash Flood, Orange

When
September 5, 1:00 PM EST to 6:00 PM EST
Where
Orange County, Countywide
Reported by
EMERGENCY MANAGER
Coordinates
36.061, -79.121 (the zone’s center; the record gives no point)

Flash Flood, Person

When
September 5, 1:00 PM EST to 6:00 PM EST
Where
Person County, Countywide
Reported by
EMERGENCY MANAGER
Coordinates
36.390, -78.972 (the zone’s center; the record gives no point)

Flash Flood, Wake

When
September 5, 1:00 PM EST to 6:00 PM EST
Where
Wake County, Countywide
Reported by
EMERGENCY MANAGER
Coordinates
35.790, -78.650 (the zone’s center; the record gives no point)

Flash Flood, Alamance

When
September 5, 1:00 PM EST to 6:00 PM EST
Where
Alamance County, Countywide
Reported by
EMERGENCY MANAGER
Coordinates
36.044, -79.399 (the zone’s center; the record gives no point)

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in North Carolina in 1999Every state in 1999This day in weather historyWarnings in North Carolina, September 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 5724323, 5724324, 5724325, 5724326, 5724327, 5724328, 5724329.