Heavy Rain in Maryland, July 29, 2017

Name: Heavy Rain in Maryland, July 29, 2017
Start: 2017-07-29T05:45
End: 2017-07-29T08:40
Location: Maryland

July 29, 2017 · NWS AKQ · 12 events in 4 counties and zones

Scattered thunderstorms in advance of and along a frontal boundary produced heavy rain and minor flooding across portions of the Lower Maryland Eastern Shore.

Where it happened

Every event with a place to put it. 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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 12

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 AKQ wrote it up.

Scattered thunderstorms in advance of and along a frontal boundary produced heavy rain and minor flooding across portions of the Lower Maryland Eastern Shore.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wakefield, VA wrote its last area forecast discussion before the first event at Jul 28, 6:57 PM EST, 10 hours 48 minutes earlier.

Area forecast discussion, Jul 28, 6:57 PM EST, 10 hours 48 minutes before

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Hazardous weather outlook, Jul 28, 3:18 PM EST, 14 hours 27 minutes before

Hazardous Weather Outlook
National Weather Service Wakefield VA
418 PM EDT Fri Jul 28 2017

MDZ021>024-VAZ064-075>078-084>086-517>522-292030-
Dorchester-Wicomico-Somerset-Inland Worcester-Caroline-Westmoreland-
Richmond-Northumberland-Lancaster-Gloucester-Middlesex-Mathews-
Western King William-Eastern King William-Western King and Queen-
Eastern King and Queen-Western Essex-Eastern Essex-
418 PM EDT Fri Jul 28 2017

...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY EVENING...

This Hazardous Weather Outlook is for southeast Maryland, east
central Virginia, eastern Virginia and north central Virginia.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

Additionally, there is a marginal risk for severe weather today and
tonight. A few storms may be capable of producing strong wind gusts,
heavy rainfall, and frequent lightning.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ012>017-030>032-292030-
Northampton-Hertford-Gates-Pasquotank-Camden-Western Currituck-
Bertie-Chowan-Perquimans-
418 PM EDT Fri Jul 28 2017

...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING...

This Hazardous Weather Outlook is for northeast North Carolina.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

There is a marginal risk for severe weather today and tonight. A few
storms may be capable of producing strong wind gusts, heavy
rainfall, and frequent lightning. Localized minor flooding may also
be possible during this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

VAZ048-060>062-065>069-079>083-087>090-092-093-095>097-509>516-
523>525-292030-
Fluvanna-Prince Edward-Cumberland-Goochland-Mecklenburg-Lunenburg-
Nottoway-Amelia-Powhatan-Brunswick-Dinwiddie-Prince George-
Charles City-New Kent-Greensville-Sussex-Surry-James City-
Southampton-Isle of Wight-Norfolk/Portsmouth-Suffolk-Chesapeake-
Western Louisa-Eastern Louisa-Western Hanover-Eastern Hanover-
Western Chesterfield-Eastern Chesterfield (Including Col. Heights)-
Western Henrico (Including the City of Richmond)-Eastern Henrico-
York-Newport News-Hampton/Poquoson-
418 PM EDT Fri Jul 28 2017

This Hazardous Weather Outlook is for central Virginia, east
central Virginia, south central Virginia and southeast Virginia.

.DAY ONE...Tonight.

There is a marginal risk for severe weather today and tonight. A few
storms may be capable of producing strong wind gusts, heavy
rainfall, and frequent lightning. Localized minor flooding may also
be possible during this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

VAZ098-100-292030-
Virginia Beach-Northampton-
418 PM EDT Fri Jul 28 2017

...MODERATE RIP CURRENT RISK IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

This Hazardous Weather Outlook is for eastern Virginia and
southeast Virginia.

.DAY ONE...Tonight.

There is a marginal risk for severe weather today and tonight. A few
storms may be capable of producing strong wind gusts, heavy
rainfall, and frequent lightning. Localized minor flooding may also
be possible during this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   MODERATE RIP CURRENT RISK.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MDZ025-VAZ099-292030-
Maryland Beaches-Accomack-
418 PM EDT Fri Jul 28 2017

...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY EVENING...
...MODERATE RIP CURRENT RISK IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

This Hazardous Weather Outlook is for southeast Maryland and
southeast Virginia.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

Additionally, there is a marginal risk for severe weather today and
tonight. A few storms may be capable of producing strong wind gusts,
heavy rainfall, and frequent lightning.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.
   MODERATE RIP CURRENT RISK.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ102-292030-
Eastern Currituck-
418 PM EDT Fri Jul 28 2017

...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING...
...MODERATE RIP CURRENT RISK IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

This Hazardous Weather Outlook is for northeast North Carolina.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

There is a marginal risk for severe weather today and tonight. A few
storms may be capable of producing strong wind gusts, heavy
rainfall, and frequent lightning. Localized minor flooding may also
be possible during this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.
   MODERATE RIP CURRENT RISK.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

The radar

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

Open the radar archive at this moment

Event by event

12 heavy rain. Local standard time, as filed.

Heavy Rain, Worcester

When: July 29, 5:45 AM EST
Where: Worcester County, 0.88 mi SE of Snow Hill
Reported by: CoCoRaHS
Coordinates: 38.170, -75.390

Rainfall total of 2.77 inches was measured at Snow Hill.

Heavy Rain, Somerset

When: July 29, 6:00 AM EST
Where: Somerset County, 1.63 mi W of Kings Creek
Reported by: CoCoRaHS
Coordinates: 38.170, -75.710

Rainfall total of 5.27 inches was measured at Princess Anne (2 SSW).

Heavy Rain, Somerset

When: July 29, 6:00 AM EST
Where: Somerset County, 1.48 mi SSE of Venton
Reported by: CoCoRaHS
Coordinates: 38.180, -75.770

Rainfall total of 3.49 inches was measured at Oriole (2 E).

Heavy Rain, Wicomico

When: July 29, 6:00 AM EST
Where: Wicomico County, 2.07 mi S of Sunyar
Reported by: CoCoRaHS
Coordinates: 38.340, -75.570

Rainfall total of 4.60 inches was measured at Lakewood (1 ENE).

Heavy Rain, Wicomico

When: July 29, 6:00 AM EST
Where: Wicomico County, 0.69 mi N of Chesapeake Hgts
Reported by: CoCoRaHS
Coordinates: 38.390, -75.500

Rainfall total of 4.03 inches was measured at Parsonsburg (1 W).

Heavy Rain, Worcester

When: July 29, 6:00 AM EST
Where: Worcester County, 3 mi SW of Ocean Pines
Reported by: CoCoRaHS
Coordinates: 38.370, -75.160

Rainfall total of 3.22 inches was measured at Ocean Pines.

Heavy Rain, Worcester

When: July 29, 6:53 AM EST
Where: Worcester County, 0.69 mi S of (W30)ocean City Muni
Reported by: ASOS
Coordinates: 38.310, -75.120

Rainfall total of 2.58 inches was measured at OXB.

Heavy Rain, Wicomico

When: July 29, 6:54 AM EST
Where: Wicomico County, 0.88 mi NE of (Sby)wicomico Co Arp
Reported by: ASOS
Coordinates: 38.340, -75.510

Rainfall total of 4.36 inches was measured at SBY.

Heavy Rain, Worcester

When: July 29, 7:00 AM EST
Where: Worcester County, 3.87 mi SE of Ironshire
Reported by: CoCoRaHS
Coordinates: 38.240, -75.180

Rainfall total of 2.28 inches was measured at Ironshire (4 SE).

Heavy Rain, Dorchester

When: July 29, 8:00 AM EST
Where: Dorchester County, 0.88 mi SW of Salem
Reported by: CoCoRaHS
Coordinates: 38.510, -75.910

Rainfall total of 2.98 inches was measured at Linkwood (2 SE).

Heavy Rain, Wicomico

When: July 29, 8:19 AM EST
Where: Wicomico County, 2.57 mi ESE of Parsonburg
Reported by: Mesonet
Coordinates: 38.360, -75.430

Rainfall total of 5.81 inches was measured at Pittsville (2 SSW).

Heavy Rain, Worcester

When: July 29, 8:40 AM EST
Where: Worcester County, 8.61 mi ESE of Boxiron
Reported by: Mesonet
Coordinates: 38.080, -75.200

Rainfall total of 2.76 inches was measured at Public Landing (6 SE).

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

Every storm in Maryland in 2017 Every state in 2017 This day in weather history Warnings in Maryland, July 2017

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: 716820, 716821, 716822, 716823, 716824, 716825, 716827, 716828, 716829, 716830, 716831, 716833.