Maryland, 1999

Heavy Rain in Maryland, September 30, 1999

September 30, 1999 · NWS PHI · 5 events in 5 counties and zones

Courtesy of Hurricane Floyd, September 1999 went down as one of the wettest Septembers on record. 02 inches was the third wettest September on record since 1895.

Where it happened

Every event with a place to put it; 5 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
5

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 PHI wrote it up.

Courtesy of Hurricane Floyd, September 1999 went down as one of the wettest Septembers on record. In the state of Maryland, the statewide monthly average rainfall of 9.02 inches was the third wettest September on record since 1895. Monthly county weighted rainfall amounts averaged even higher along the Eastern Shore, all in the double digits. On a county weighted average September monthly rainfall totals ranged from 10.2 inches in Talbot County to 14.3 inches in Cecil County. In Easton (Talbot County), 12.86 inches of rain fell during the month.

The radar

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

Open the radar archive at this moment

Event by event

5 heavy rain. Local standard time, as filed.

Heavy Rain, Caroline

When
September 30, 11:59 PM EST
Where
Caroline forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
38.872, -75.832 (the zone’s center; the record gives no point)

Heavy Rain, Cecil

When
September 30, 11:59 PM EST
Where
Cecil forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.562, -75.948 (the zone’s center; the record gives no point)

Heavy Rain, Kent

When
September 30, 11:59 PM EST
Where
Kent forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.236, -76.096 (the zone’s center; the record gives no point)

Heavy Rain, Queen Annes

When
September 30, 11:59 PM EST
Where
Queen Annes forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.038, -76.085 (the zone’s center; the record gives no point)

Heavy Rain, Talbot

When
September 30, 11:59 PM EST
Where
Talbot forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
38.749, -76.179 (the zone’s center; the record gives no point)

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.

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

The same day elsewhere

More

Every storm in Maryland in 1999Every state in 1999This day in weather historyWarnings in Maryland, 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 2026-10-01. Each event’s entry at NCEI: 5722496, 5722497, 5722498, 5722499, 5722500.