Alert archive / Maryland / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 128, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 23, 2016, 6:46 PM EDT for Kent County, Delaware; Caroline County, Queen Anne's County, Maryland. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 23, 2016, 6:46 PM EDT (22:46 UTC)
- Expired
- Jul 23, 2016, 7:30 PM EDT
- In force
- 44 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kent County, DE, Caroline County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 34 km from the middle of the area, began a volume at 22:49 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.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 10.8 hours before the alert went out and 133 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1586 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1139 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
391
WUUS51 KPHI 232246
SVRPHI
DEC001-MDC011-035-232330-
/O.NEW.KPHI.SV.W.0128.160723T2246Z-160723T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
646 PM EDT SAT JUL 23 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
KENT COUNTY IN CENTRAL DELAWARE...
NORTHEASTERN QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
NORTHEASTERN CAROLINE COUNTY IN EASTERN MARYLAND...
* UNTIL 730 PM EDT
* AT 645 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CLAYTON...OR
10 MILES NORTHWEST OF DOVER...MOVING SOUTHEAST AT 25 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...TRAINED WEATHER SPOTTERS. WIND DAMAGE WAS REPORTED
EARLIER WITH THIS STORM IN SOUTHERN NEW CASTLE COUNTY
DELAWARE.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
DOVER...SMYRNA...MILFORD...HARRINGTON...CAMDEN...CLAYTON...
GREENSBORO...CHESWOLD...BOWERS...GOLDSBORO...WOODSIDE...VIOLA...
HARTLY...DELANEY CORNER...RISING SUN...HAZLETTVILLE...
DOVER SPEEDWAY...DOVER BASE HOUSING...
SANDTOWN AND RISING SUN-LEBANON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO HAIL AND 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 3925 7584 3925 7576 3929 7576 3930 7575
3929 7565 3931 7559 3908 7537 3905 7537
3901 7533 3896 7531 3895 7537 3896 7539
3894 7540 3886 7580
TIME...MOT...LOC 2245Z 329DEG 24KT 3924 7568
HAIL...<.75IN
WIND...60MPH
$$
GORSE2 follow-up statements
071
WWUS51 KPHI 232305
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
705 PM EDT SAT JUL 23 2016
MDC011-035-232314-
/O.CAN.KPHI.SV.W.0128.000000T0000Z-160723T2330Z/
QUEEN ANNE'S MD-CAROLINE MD-
705 PM EDT SAT JUL 23 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN QUEEN ANNE'S AND
NORTHEASTERN CAROLINE COUNTIES IS CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS REMAINED EAST
OF THIS PORTION OF THE WARNING. THEREFORE THE WARNING HAS BEEN
CANCELLED.
LAT...LON 3930 7575 3929 7565 3931 7559 3908 7537
3905 7537 3901 7533 3896 7531 3895 7537
3896 7539 3894 7540 3889 7566
TIME...MOT...LOC 2304Z 328DEG 28KT 3911 7557
$$
DEC001-232330-
/O.CON.KPHI.SV.W.0128.000000T0000Z-160723T2330Z/
KENT DE-
705 PM EDT SAT JUL 23 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR KENT COUNTY...
AT 704 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CAMDEN...OR
NEAR DOVER...MOVING SOUTHEAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
DOVER...SMYRNA...MILFORD...HARRINGTON...CAMDEN...CLAYTON...
CHESWOLD...BOWERS...WOODSIDE...VIOLA...HARTLY...DELANEY CORNER...
RISING SUN...HAZLETTVILLE...DOVER SPEEDWAY...DOVER BASE HOUSING...
RISING SUN-LEBANON...BIG STONE BEACH...WYOMING AND FELTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND 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.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 3930 7575 3929 7565 3931 7559 3908 7537
3905 7537 3901 7533 3896 7531 3895 7537
3896 7539 3894 7540 3889 7566
TIME...MOT...LOC 2304Z 328DEG 28KT 3911 7557
HAIL...<.75IN
WIND...60MPH
$$
GORSE200
WWUS51 KPHI 232323
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
723 PM EDT SAT JUL 23 2016
DEC001-232332-
/O.EXP.KPHI.SV.W.0128.000000T0000Z-160723T2330Z/
KENT DE-
723 PM EDT SAT JUL 23 2016
...THE SEVERE THUNDERSTORM WARNING FOR KENT COUNTY WILL EXPIRE AT 730
PM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER GUSTY
WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM. IN
ADDITION, CLOUD TO GROUND LIGHTNING IS STILL OCCURRING WITH THIS
STORM.
LAT...LON 3930 7575 3929 7565 3931 7559 3908 7537
3905 7537 3901 7533 3896 7531 3895 7537
3896 7539 3894 7540 3889 7566
TIME...MOT...LOC 2320Z 329DEG 24KT 3911 7557
$$
GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 4:12 PM EDT | Heat Advisory | PHI | Kent, Sussex | 50 hr |
| Jul 23, 4:28 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 47 min |
| Jul 23, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 28 min |
| Jul 23, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 65 min |
| Jul 23, 7:31 PM EDT | Special Weather Statement | PHI | Kent | 29 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2016Severe Thunderstorm Warnings in Delaware, 2016Every severe thunderstorm warning in 2016
Sources
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.