Severe Thunderstorm Warning 136, NWS Philadelphia/Mount Holly

Issued

Jul 24, 2017, 10:06 PM EDT (02:06 UTC)

Expired

Jul 24, 2017, 10:45 PM EDT

In force

39 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Tornado

Possible

Hail

0.75 in

Wind

60.0 mph

Counties Kent County, DE, New Castle County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD

The Dover AFB radar (KDOX), 65 km from the middle of the area, began a volume at 02:07 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.

255 
WUUS51 KPHI 250206
SVRPHI
DEC001-003-MDC011-015-029-035-250245-
/O.NEW.KPHI.SV.W.0136.170725T0206Z-170725T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1006 PM EDT MON JUL 24 2017

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southwestern New Castle County in northern Delaware...
  Northwestern Kent County in central Delaware...
  Northeastern Queen Anne's County in northeastern Maryland...
  Northeastern Caroline County in eastern Maryland...
  Kent County in northeastern Maryland...
  Southern Cecil County in northeastern Maryland...

* Until 1045 PM EDT

* At 1005 PM EDT, a severe thunderstorm was located over Morgnec, or
  14 miles southeast of Aberdeen Proving Ground, moving east at 35
  mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to trees and power lines. 

* Locations impacted include...
  Dover, Smyrna, Chestertown, Camden, Clayton, Cheswold, Church Hill,
  Millington, Sudlersville, Betterton, Woodside, Viola, Hartly,
  Hazlettville, Morgnec, Delaney Corner, Crumpton, Dover Speedway,
  Green Spring and Rising Sun.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes in addition 
to straight-line wind damage. Although a tornado is not immediately 
likely, it is best to move to an interior room on the lowest floor 
of a building. This storm may cause serious injury and significant 
property damage.

&&

LAT...LON 3935 7614 3937 7611 3937 7606 3938 7606
      3930 7540 3929 7539 3898 7558 3921 7616
TIME...MOT...LOC 0205Z 284DEG 31KT 3928 7603 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

JRK

504 
WWUS51 KPHI 250222
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1022 PM EDT MON JUL 24 2017

DEC001-003-MDC011-015-029-035-250245-
/O.CON.KPHI.SV.W.0136.000000T0000Z-170725T0245Z/
New Castle DE-Kent DE-Queen Anne's MD-Caroline MD-Kent MD-Cecil MD-
1022 PM EDT MON JUL 24 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR SOUTHWESTERN NEW CASTLE...NORTHWESTERN KENT...NORTHEASTERN QUEEN
ANNE'S...NORTHEASTERN CAROLINE...NORTHEASTERN KENT AND SOUTHERN CECIL
COUNTIES...

At 1022 PM EDT, severe thunderstorms were located along a line
extending from Sassafras to near Church Hill, moving east at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to trees and power lines. 

Locations impacted include...
Dover, Smyrna, Chestertown, Camden, Clayton, Cheswold, Church Hill,
Millington, Sudlersville, Woodside, Hartly, Hazlettville, Morgnec,
Delaney Corner, Crumpton, Dover Speedway, Sandtown, Green Spring,
Massey and Kennedyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

In addition to damaging winds...frequent cloud to ground lightning 
is occurring with this storm. Move indoors immediately. 
Remember...if you can hear thunder...you are close enough to be 
struck by lightning.

&&

LAT...LON 3938 7605 3931 7543 3929 7539 3918 7546
      3900 7564 3920 7613
TIME...MOT...LOC 0222Z 284DEG 29KT 3935 7581 3916 7601 

HAIL...<.75IN
WIND...60MPH
 
$$

JRK

480 
WWUS51 KPHI 250241
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1041 PM EDT MON JUL 24 2017

DEC001-003-MDC011-015-029-035-250250-
/O.EXP.KPHI.SV.W.0136.000000T0000Z-170725T0245Z/
New Castle DE-Kent DE-Queen Anne's MD-Caroline MD-Kent MD-Cecil MD-
1041 PM EDT MON JUL 24 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN NEW CASTLE...
NORTHWESTERN KENT...NORTHEASTERN QUEEN ANNE'S...NORTHEASTERN
CAROLINE...NORTHEASTERN KENT AND SOUTH CENTRAL CECIL COUNTIES WILL
EXPIRE AT 1045 PM EDT...
    
The storms which prompted the warning have exited the warned area. 
Therefore the warning will be allowed to expire. However gusty winds 
and heavy rain are still possible with these thunderstorms.

Remember, a Severe Thunderstorm Warning still remains in effect for
Kent and New Castle Counties in Delaware until 1130 PM.

LAT...LON 3938 7605 3931 7543 3929 7539 3918 7546
      3900 7564 3920 7613
TIME...MOT...LOC 0240Z 284DEG 31KT 3932 7564 3913 7584 

$$

JRK

Severe Thunderstorm Warnings in Maryland, 2017Severe Thunderstorm Warnings in Delaware, 2017Every severe thunderstorm 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.