Alert archive / Maryland / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 182, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 27, 2008, 2:35 PM EDT for 4 counties in Maryland; Kent County, Sussex County, Delaware. It was in force for 55 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
- Jul 27, 2008, 2:35 PM EDT (18:35 UTC)
- Expired
- Jul 27, 2008, 3:30 PM EDT
- In force
- 55 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 60 km from the middle of the area, began a volume at 18:35 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 27, 2:45 PM EDT | TSTM WND DMG | Dover, DE | TREES AND WIRES DOWN. |
| Jul 27, 3:05 PM EDT | TSTM WND DMG | Leipsic, DE | WIRES REPORTED DOWN NEAR LEIPSIC. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 27, 11:26 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 6.6 hours before the alert went out and 114 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
- 1356 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1062 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 271835
SVRPHI
DEC001-005-MDC011-029-035-041-271930-
/O.NEW.KPHI.SV.W.0182.080727T1835Z-080727T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
235 PM EDT SUN JUL 27 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
KENT COUNTY IN CENTRAL DELAWARE...
CAROLINE COUNTY IN EASTERN MARYLAND...
NORTHERN TALBOT COUNTY IN EASTERN MARYLAND...
KENT COUNTY IN NORTHEAST MARYLAND...
QUEEN ANNES COUNTY IN NORTHEAST MARYLAND...
NORTHERN SUSSEX COUNTY IN SOUTHERN DELAWARE...
* UNTIL 330 PM EDT
* AT 233 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
KENT ISLAND AND TILGHMAN ISLAND...AND MOVING EAST AT 20 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
OVERTON BY 245 PM...
CENTREVILLE AND CENTERVILLE BY 305 PM...
CENTREVILLE AND CENTERVILLE BY 310 PM...
CARVILLE AND STARKEY CORNER BY 315 PM...
CARVILLE AND HOPE BY 320 PM...
HOPE BY 325 PM...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM SUNDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.
LAT...LON 3904 7632 3901 7617 3909 7615 3910 7615
3901 7619 3901 7622 3914 7628 3932 7619
3938 7582 3929 7576 3923 7539 3892 7530
3878 7507 3879 7637 3887 7626 3882 7620
3895 7624 3884 7638 3886 7639
TIME...MOT...LOC 1835Z 263DEG 17KT 3904 7626
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 2:00 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 60 min |
| Jul 27, 12:57 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 63 min |
| Jul 27, 2:17 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 58 min |
| Jul 27, 2:31 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 59 min |
| Jul 27, 3:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 54 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2008Severe Thunderstorm Warnings in Delaware, 2008Every severe thunderstorm warning in 2008
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.