Alert archive / New Jersey / Excessive Heat Watches in 2009

Excessive Heat Watch 1, NWS Philadelphia/Mount Holly

August 8, 20094 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this excessive heat watch at Aug 8, 2009, 1:35 PM EDT for 4 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania; New Castle County, Delaware. It took effect at Aug 10, 2009, 10:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued: Aug 8, 2009, 1:35 PM EDT (17:35 UTC)
In effect from: Aug 10, 2009, 10:00 AM EDT
Expired: Aug 9, 2009, 1:56 PM EDT
In force
Issued by: NWS Philadelphia/Mount Holly

Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 17:37 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.

What forecasters said that day

The local office's own words before this excessive heat watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this excessive heat watch went out at Aug 8, 4:00 AM EDT, 9 hours 35 minutes earlier.

Area forecast discussion, Aug 8, 4:00 AM EDT, 9 hours 35 minutes before

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Hazardous weather outlook, Aug 8, 4:30 AM EDT, 9 hours 5 minutes before

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Nearby

Excessive Heat Watches in New Jersey, 2009 Excessive Heat Watches in Pennsylvania, 2009 Excessive Heat Watches in Delaware, 2009 Every excessive heat watch in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.