Special Marine Warning 113, NWS Philadelphia/Mount Holly

Issued

Jul 24, 2017, 10:58 PM EDT (02:58 UTC)

Expired

Jul 25, 2017, 12:30 AM EDT

In force

92 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

0.0 in

Wind

34.0 mph

The Dover AFB radar (KDOX), 37 km from the middle of the area, began a volume at 03:02 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.

932 
WHUS51 KPHI 250258
SMWPHI
ANZ430-431-250430-
/O.NEW.KPHI.MA.W.0113.170725T0258Z-170725T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1058 PM EDT MON JUL 24 2017

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SPECIAL MARINE WARNING FOR...
  DELAWARE BAY...

* UNTIL 1230 AM EDT

* AT 1058 PM EDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 15 NM SOUTHWEST OF WOODLAND BEACH TO 9 NM EAST OF
  CHESTER RIVER...MOVING EAST AT 30 KNOTS.

  HAZARD...WIND GUSTS 34 KNOTS OR GREATER. 

  SOURCE...RADAR INDICATED. 

  IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND 
           SUDDENLY HIGHER WAVES. 

* STRONG THUNDERSTORMS WILL BE NEAR...
  EAST POINT AROUND 1200 AM EDT. 
  SLAUGHTER BEACH AROUND 1205 AM EDT. 
  FOURTEEN FOOT BANK LIGHT AROUND 1215 AM EDT. 
  BRANDYWINE SHOAL LIGHT AROUND 1220 AM EDT. 
  BROWN SHOAL LIGHT AND CAPE HENLOPEN AROUND 1225 AM EDT. 
  CAPE MAY POINT AROUND 1230 AM EDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE
EXPECTED.

FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF CAUGHT ON THE
OPEN WATER STAY BELOW DECK IF POSSIBLE...KEEP AWAY FROM UNGROUNDED
METAL OBJECTS.

&&

LAT...LON 3892 7534 3895 7529 3921 7504 3919 7490
      3916 7487 3909 7489 3898 7494 3897 7492
      3895 7495 3895 7494 3893 7496 3893 7498
      3878 7511 3878 7526 3882 7522
TIME...MOT...LOC 0258Z 270DEG 30KT 3916 7571 3898 7603 

HAIL...0.00IN
WIND...>34KTS

$$

JRK

465 
FZUS71 KPHI 250333
MWSPHI

MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1133 PM EDT MON JUL 24 2017

ANZ430-431-250430-
/O.CON.KPHI.MA.W.0113.000000T0000Z-170725T0430Z/
1133 PM EDT MON JUL 24 2017

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT...

FOR THE FOLLOWING AREAS...
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE...
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE...

AT 1132 PM EDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR FORTESQUE BEACH TO NEAR BOWERS BEACH TO 15 NM
EAST OF CHESTER RIVER...MOVING SOUTHEAST AT 20 KNOTS.

HAZARD...WIND GUSTS 34 KNOTS OR GREATER. 

SOURCE...RADAR INDICATED. 

IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND 
         SUDDENLY HIGHER WAVES. 

STRONG THUNDERSTORMS WILL BE NEAR...
  SLAUGHTER BEACH...EAST POINT AND FOURTEEN FOOT BANK LIGHT AROUND 
  1145 PM EDT. 
  BRANDYWINE SHOAL LIGHT AROUND 1200 AM EDT. 
  BROWN SHOAL LIGHT AROUND 1210 AM EDT. 
  CAPE MAY POINT AROUND 1220 AM EDT. 
  CAPE HENLOPEN AROUND 1225 AM EDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE
EXPECTED.

FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF CAUGHT ON THE
OPEN WATER STAY BELOW DECK IF POSSIBLE...KEEP AWAY FROM UNGROUNDED
METAL OBJECTS.

&&

LAT...LON 3896 7528 3921 7504 3919 7490 3916 7487
      3898 7494 3897 7492 3896 7494 3895 7495
      3895 7494 3892 7499 3878 7511 3878 7525
      3882 7522 3892 7534
TIME...MOT...LOC 0332Z 309DEG 20KT 3921 7512 3900 7537 3893 7591 

HAIL...0.00IN
WIND...>34KTS

$$

JRK

Special Marine Warnings in New Jersey, 2017Every special marine warning in 2017

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