Alert archive / Delaware / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 36, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 2, 2016, 10:15 PM EDT for Kent County, Sussex County, Delaware; Caroline County, Maryland. It was in force for 60 min. 2 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
- May 2, 2016, 10:15 PM EDT (02:15 UTC)
- Expired
- May 2, 2016, 11:15 PM EDT
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Kent County, DE, Sussex County, DE, Caroline County, MD
The radar
The Dover AFB radar (KDOX), 23 km from the middle of the area, began a volume at 02:17 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 |
|---|---|---|---|
| May 2, 10:25 PM EDT | HAIL 0.75 | Harrington, DE | HAIL UP TO THE SIZE OF PENNIES IN HARRINGTON. TIME ESTIMATED BASED ON RADAR DATA. |
| May 2, 10:35 PM EDT | HAIL 0.75 | 4 Nw Harrington, DE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.3 hours before the alert went out and 111 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
- 851 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
165
WUUS51 KPHI 030215
SVRPHI
DEC001-005-MDC011-030315-
/O.NEW.KPHI.SV.W.0036.160503T0215Z-160503T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1015 PM EDT MON MAY 2 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN KENT COUNTY IN CENTRAL DELAWARE...
NORTHERN SUSSEX COUNTY IN SOUTHERN DELAWARE...
CENTRAL CAROLINE COUNTY IN EASTERN MARYLAND...
* UNTIL 1115 PM EDT
* AT 1014 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER DENTON...OR
15 MILES NORTHEAST OF EASTON...MOVING EAST AT 35 MPH.
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
DOVER...MILFORD...DENTON...HARRINGTON...CAMDEN...LEWES...GREENSBORO...
OAKLAND...RIDGELY...ELLENDALE...BOWERS...WOODSIDE...VIOLA...HARMONY...
ANDREWSVILLE...AGNER...RISING SUN...JUMPTOWN...SMITHVILLE AND DOVER
BASE HOUSING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 3880 7592 3881 7590 3882 7590 3888 7595
3889 7594 3893 7595 3897 7594 3916 7539
3906 7539 3901 7533 3894 7531 3894 7532
3880 7517 3874 7590
TIME...MOT...LOC 0214Z 250DEG 29KT 3886 7580
HAIL...1.50IN
WIND...60MPH
$$
NIERENBERG1 follow-up statement
933
WWUS51 KPHI 030252
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1052 PM EDT MON MAY 2 2016
MDC011-030301-
/O.CAN.KPHI.SV.W.0036.000000T0000Z-160503T0315Z/
CAROLINE MD-
1052 PM EDT MON MAY 2 2016
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CAROLINE COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 3891 7557 3898 7571 3903 7571 3916 7539
3906 7539 3901 7533 3893 7531 3880 7520
3879 7527 3878 7547
TIME...MOT...LOC 0251Z 250DEG 29KT 3896 7544
$$
DEC001-005-030315-
/O.CON.KPHI.SV.W.0036.000000T0000Z-160503T0315Z/
KENT DE-SUSSEX DE-
1052 PM EDT MON MAY 2 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR SOUTHERN KENT AND NORTHEASTERN SUSSEX COUNTIES...
AT 1051 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MILFORD...OR 14
MILES SOUTH OF DOVER...MOVING EAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
DOVER...MILFORD...HARRINGTON...MILTON...ELLENDALE...BOWERS...WOODSIDE...
VIOLA...DOVER BASE HOUSING...RISING SUN-LEBANON...RISING SUN...BIG STONE
BEACH...FELTON...FREDERICA...HOUSTON...MAGNOLIA...RIVERVIEW...WOODSIDE EAST
AND HIGHLAND ACRES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 3891 7557 3898 7571 3903 7571 3916 7539
3906 7539 3901 7533 3893 7531 3880 7520
3879 7527 3878 7547
TIME...MOT...LOC 0251Z 250DEG 29KT 3896 7544
HAIL...1.25IN
WIND...60MPH
$$
NIERENBERGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 9:43 PM EDT | Special Weather Statement | PHI | Kent | 77 min |
| May 2, 10:22 PM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 4 hr |
| May 2, 10:45 PM EDT | Flash Flood Warning | PHI | Kent, Sussex | 6 hr |
| May 2, 10:59 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 22 min |
| May 3, 12:11 AM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
| May 2, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 68 min |
| May 2, 9:47 PM EDT | Areal Flood Advisory | PHI | Queen Anne's, Talbot | 4 hr |
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.