Alert archive / Delaware / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 127, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 23, 2016, 5:55 PM EDT for Kent County, New Castle County, Delaware; Cecil County, Kent County, Maryland. It was in force for 65 min. 5 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 23, 2016, 5:55 PM EDT (21:55 UTC)
- Expired
- Jul 23, 2016, 7:00 PM EDT
- In force
- 65 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Kent County, DE, New Castle County, DE, Cecil County, MD, Kent County, MD
The radar
The Dover AFB radar (KDOX), 76 km from the middle of the area, began a volume at 21:57 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 23, 5:55 PM EDT | TSTM WND DMG | Elkton, MD | SEVERAL TREES SNAPPED IN HALF. SHINGLES OFF OF SOME ROOFS. TIME ESTIMATED FROM RADAR. |
| Jul 23, 5:58 PM EDT | TSTM WND GST 67 | 2 S Brantwood, MD | |
| Jul 23, 6:03 PM EDT | TSTM WND DMG | Bohemias Mills, MD | TREES DOWN. TIME ESTIMATED FROM RADAR. |
| Jul 23, 6:11 PM EDT | TSTM WND DMG | Middletown, DE | TREES AND WIRES DOWN ON BUNKER HILL ROAD. |
| Jul 23, 6:11 PM EDT | TSTM WND DMG | Middletown, DE | TREES AND WIRES DOWN ON BUNKER HILL ROAD. TREE UPROOTED ON BOHEMIA MILL ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.9 hours before the alert went out and 151 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
- 444 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 1393 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted.
978
WUUS51 KPHI 232155 RRA
SVRPHI
DEC001-003-MDC015-029-232300-
/O.NEW.KPHI.SV.W.0127.160723T2155Z-160723T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
555 PM EDT SAT JUL 23 2016
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 KENT COUNTY IN NORTHEASTERN MARYLAND...
SOUTHEASTERN CECIL COUNTY IN NORTHEASTERN MARYLAND...
* UNTIL 700 PM EDT
* AT 554 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HOLLYWOOD
BEACH...OR NEAR ELKTON...MOVING SOUTHEAST AT 30 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
DOVER...MIDDLETOWN...ELKTON...SMYRNA...NORTH EAST...CLAYTON...
CHESWOLD...CHARLESTOWN...CECILTON...CAYOTS...BOHEMIAS MILLS...
DELANEY CORNER...WARWICK...HOLLYWOOD BEACH...MASSEY...
WOODLAND BEACH...SASSAFRAS...MOUNT PLEASANT...
GREEN SPRING AND BRANTWOOD.
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.
&&
LAT...LON 3965 7585 3941 7551 3929 7540 3912 7563
3946 7600 3952 7598 3954 7601
TIME...MOT...LOC 2154Z 313DEG 26KT 3952 7589
HAIL...1.00IN
WIND...60MPH
$$
GORSE2 follow-up statements
269
WWUS51 KPHI 232210
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
610 PM EDT SAT JUL 23 2016
DEC001-003-MDC015-029-232300-
/O.CON.KPHI.SV.W.0127.000000T0000Z-160723T2300Z/
NEW CASTLE DE-KENT DE-KENT MD-CECIL MD-
610 PM EDT SAT JUL 23 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTHWESTERN NEW CASTLE...NORTHWESTERN KENT...NORTHEASTERN KENT
AND SOUTHEASTERN CECIL COUNTIES...
AT 610 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MIDDLETOWN...
MOVING SOUTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
DOVER...MIDDLETOWN...SMYRNA...CLAYTON...CHESWOLD...CECILTON...
CAYOTS...WOODLAND BEACH...SASSAFRAS...MOUNT PLEASANT...
BOHEMIAS MILLS...GREEN SPRING...DELANEY CORNER...WARWICK...MASSEY...
TOWNSEND...CHESAPEAKE CITY...ODESSA...KENTON AND LEIPSIC.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3957 7575 3941 7551 3929 7540 3912 7563
3943 7596
TIME...MOT...LOC 2210Z 302DEG 36KT 3943 7569
HAIL...1.00IN
WIND...60MPH
$$
GORSE178
WWUS51 KPHI 232232
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
632 PM EDT SAT JUL 23 2016
DEC001-003-MDC015-029-232300-
/O.CON.KPHI.SV.W.0127.000000T0000Z-160723T2300Z/
NEW CASTLE DE-KENT DE-KENT MD-CECIL MD-
632 PM EDT SAT JUL 23 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTHWESTERN NEW CASTLE...NORTHWESTERN KENT...NORTHEASTERN KENT
AND SOUTHEASTERN CECIL COUNTIES...
AT 630 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SMYRNA...OR 11
MILES SOUTHEAST OF MIDDLETOWN...MOVING SOUTHEAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS. AT 625 PM DOWNED TREES AND
WIRES WERE REPORTED IN MIDDLETOWN DELAWARE.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
DOVER...MIDDLETOWN...SMYRNA...CLAYTON...CHESWOLD...WOODLAND BEACH...
SASSAFRAS...GREEN SPRING...DELANEY CORNER...WARWICK...MASSEY...
TOWNSEND...ODESSA...KENTON...LEIPSIC AND CHAMBERSVILLE.
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.
&&
LAT...LON 3950 7565 3941 7551 3929 7540 3912 7563
3937 7589
TIME...MOT...LOC 2230Z 315DEG 31KT 3933 7558
HAIL...1.00IN
WIND...60MPH
$$
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, 6:46 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 44 min |
| Jul 23, 7:31 PM EDT | Special Weather Statement | PHI | Kent | 29 min |
Nearby
Severe Thunderstorm Warnings in Delaware, 2016Severe Thunderstorm Warnings in Maryland, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.