Alert archive / Delaware / Tornado Warnings in 2012
Tornado Warning 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Sep 3, 2012, 3:25 PM EDT for Kent County, Delaware. It was in force for 20 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
- Sep 3, 2012, 3:25 PM EDT (19:25 UTC)
- Expired
- Sep 3, 2012, 3:45 PM EDT
- In force
- 20 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Kent County, DE
The radar
The Dover AFB radar (KDOX), 43 km from the middle of the area, began a volume at 19:28 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, 7.4 hours before the alert went out and 142 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
- 1340 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 627 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
471
WFUS51 KPHI 031925
TORPHI
DEC001-032000-
/O.NEW.KPHI.TO.W.0003.120903T1925Z-120903T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
325 PM EDT MON SEP 3 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN KENT COUNTY IN CENTRAL DELAWARE...
THIS INCLUDES THE CITY OF DOVER...
* UNTIL 400 PM EDT
* AT 320 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR CAMDEN...OR
NEAR DOVER...MOVING NORTH AT 20 MPH.
* THE TORNADO WILL BE NEAR...
DOVER BY 330 PM EDT...
DOVER SPEEDWAY BY 335 PM EDT...
CHESWOLD BY 340 PM EDT...
SMYRNA AND 6 MILES EAST OF CLAYTON BY 355 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 3910 7565 3930 7564 3931 7559 3928 7541
3927 7540 3921 7539 3905 7547
TIME...MOT...LOC 1925Z 191DEG 18KT 3913 7555
$$
HEAVENER1 follow-up statement
410
WWUS51 KPHI 031945
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
345 PM EDT MON SEP 3 2012
DEC001-031953-
/O.CAN.KPHI.TO.W.0003.000000T0000Z-120903T2000Z/
KENT DE-
345 PM EDT MON SEP 3 2012
...THE TORNADO WARNING FOR NORTHERN KENT COUNTY IS CANCELLED...
THE STORM PRODUCING THE POSSIBLE TORNADO HAS WEAKENED CONSIDERABLY
SINCE THE WARNING ISSUANCE.
THE ONLY DAMAGE REPORT RECEIVED BY THE NATIONAL WEATHER SERVICE WAS
IN THE SOUTHWEST PART OF CAMDEN DELAWARE.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3910 7565 3930 7564 3931 7559 3928 7541
3927 7540 3921 7539 3905 7547
TIME...MOT...LOC 1943Z 191DEG 18KT 3922 7553
$$
DRAGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 6:05 AM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
| Sep 3, 7:31 AM EDT | Flash Flood Warning | PHI | New Castle | 2 hr |
| Sep 3, 8:23 AM EDT | Flash Flood Warning | PHI | New Castle | 82 min |
| Sep 3, 1:42 PM EDT | Special Weather Statement | PHI | Sussex | 93 min |
| Sep 3, 1:48 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Sep 3, 1:53 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Sep 3, 2:19 PM EDT | Areal Flood Advisory | PHI | Sussex | 114 min |
| Sep 3, 2:39 PM EDT | Special Weather Statement | PHI | New Castle | 66 min |
| Sep 3, 2:44 PM EDT | Areal Flood Advisory | PHI | New Castle | 119 min |
| Sep 3, 3:00 PM EDT | Flash Flood Watch | PHI | New Castle | 49 hr |
| Sep 3, 3:14 PM EDT | Flash Flood Warning | PHI | Kent, New Castle | 4 hr |
| Sep 3, 3:58 PM EDT | Areal Flood Advisory | PHI | New Castle | 3 hr |
Nearby
Tornado Warnings in Delaware, 2012Every tornado warning in 2012Tornadoes in 2012
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.