National Weather Service United States Department of Commerce

Areas of Excessive Rainfall and Dangerous Heat

Heavy to severe thunderstorms may bring areas of excessive rainfall and flooding over parts of the southern Plains through Friday. Hot to dangerously hot temperatures are forecast again across portions of the Pacific Northwest and southern Great Basin Tuesday. Read More >

Philadelphia/Mt Holly

Weather Forecast Office

Emergency Manager Hazardous Weather Briefing

Weather.gov > Philadelphia/Mt Holly > Emergency Manager Hazardous Weather Briefing
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NWS Mt Holly Weather Briefing Page

"Working Toward a Weather-Ready Nation"

Suggestions for improvement are welcome.

Click HERE for the latest

Hazardous Weather Briefing

Click HERE for Older Office Briefings & Presentations
Emergency Managers Severe
Thunderstorms		 Tides/Coastal
Flooding		 Rivers/River
Flooding		 Extended Forecasts Space Weather Fire Weather and Drought
Snow and Ice
Winter DSS		 Hurricanes and Tropical Marine Weather Radar and
Satellite		 Climate Data Maps and
Models		 Safety and
Preparedness
 
 
 
 
 
 
 
 
 
 
NWS Mt Holly Tropical Cyclone Impact Graphics
Available Only When a Storm Threatens the Mid Atlantic Region Within 2-3 Days

Wind Impact

Storm Surge Impact

Inland Flooding Impact

Tornado Impact
NOAA Tropical Satellite Imagery
Visible Imagery
Western Atlantic

Single Image / Loop
Central Atlantic

Single Image / Loop
Tropical Atlantic 

Single Image / Loop
Infrared Imagery
Western Atlantic

Single Image / Loop
Central Atlantic

Single Image / Loop
Tropical Atlantic

Single Image / Loop

 

 

Extra-Tropical Storm Surge Guidance

North Atlantic Sector      Mid-Atlantic Sector        Delaware Bay              Chesapeake Bay             New York Harbor

 

Tide Predictions

Click here for tide predictions from MD to NJ

 

Hydrology  Top of page

Daily river forecast and statements for the WFO PHI hydrologic service area

Mid-Atlantic River Forecast Center (MARFC)

Weather Prediction Center Rainfall Forecasts

      

National Water
Prediction Services (NWPS)
Advanced Hydrologic Prediction Services		 Lehigh and Lower Delaware 
River
Lower Delaware River		 Upper Delaware 
River
Upper Delaware River
 

 

 

 

MARFC's Rainfall Forecast

Severe Weather  Top of page 
 

  Current Warnings:
   –  Delaware
   –  Maryland
   –  New Jersey
   –  Pennsylvania

Storm Prediction Center Homepage

Tropical Cyclone Potential Impacts (TCI) Website

 

 

Watch/Warning/Advisories
Watch/Warning/Adviosory Map
Convective Watches
Current Convective Watches Map
Mesoscale Discussions
Storm Prediction Center Mesoscale Discussion Graphic

 

Convective Outlooks  Top of page 
 

Day 1 Outlook
Day 1 Convective Outlook Map
Day 2 Outlook
Day 2 Convective Outlook Map
Day 3 Outlook(experimental)
Experimental Day 3 Convective Outlook Map

 
Long-Range Forecast

DAYS 4-5 FORECAST PRECIPITATION

DAYS 6-7 FORECAST PRECIPITATION
Days 4-5 Precip Days 6-7 Precip
   

DAYS 6-10

TEMPERATURE 

PRECIPITATION
6-10 day temperature 6-10 day precipitation
   

DAYS 8-14

TEMPERATURE 

PRECIPITATION
8-14 day temperature 8-14 day precipitation
   

WEEK 3-4
What's this?

TEMPERATURE 

PRECIPITATION
Week 3-4 Temperature Week 3-4 precipitation

Updated May 26, 2017

 

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