Alert archive / Maryland / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 5, 2008, 1:44 AM EST for 4 counties in Maryland; Kent County, New Castle County, Delaware. It was in force for 61 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
- Mar 5, 2008, 1:44 AM EST (06:44 UTC)
- Expired
- Mar 5, 2008, 2:45 AM EST
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, New Castle County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 76 km from the middle of the area, began a volume at 06:44 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 5, 1:04 AM EST | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 6.7 hours before the alert went out and 145 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
- 125 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 898 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 410 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 050644
SVRPHI
DEC001-003-MDC011-015-029-035-050745-
/O.NEW.KPHI.SV.W.0005.080305T0644Z-080305T0745Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
144 AM EST WED MAR 5 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
KENT COUNTY IN CENTRAL DELAWARE...
THIS INCLUDES THE CITY OF DOVER...
CAROLINE COUNTY IN EASTERN MARYLAND...
CECIL COUNTY IN NORTHEAST MARYLAND...
NORTHEASTERN KENT COUNTY IN NORTHEAST MARYLAND...
EASTERN QUEEN ANNES COUNTY IN NORTHEAST MARYLAND...
NEW CASTLE COUNTY IN NORTHERN DELAWARE...
THIS INCLUDES THE CITY OF NEWARK...
* UNTIL 245 AM EST
* AT 140 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR DENTON...OR ABOUT 22
MILES SOUTHWEST OF DOVER...AND MOVING NORTHEAST AT 60 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
VIOLA...WOODSIDE...CAMDEN AND FREDERICA BY 155 AM EST...
RISING SUN...DOVER AND BOWERS BY 200 AM EST...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM EST
WEDNESDAY MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN
NEW JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3973 7557 3963 7560 3960 7557 3945 7558
3916 7539 3908 7539 3898 7529 3875 7587
3938 7610 3938 7600 3938 7603 3940 7605
3944 7600 3946 7602 3956 7599 3954 7599
3953 7600 3955 7609 3973 7622
TIME...MOT...LOC 0644Z 232DEG 55KT 3896 7572
$$
NIERENBERGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 12:52 AM EST | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 38 min |
| Mar 5, 1:26 AM EST | Severe Thunderstorm Warning | PHI | Sussex | 49 min |
| Mar 5, 2:11 AM EST | Severe Thunderstorm Warning | PHI | Sussex | 49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.