Alert archive / Maryland / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 40, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 4, 2008, 4:14 PM EDT for 5 counties in Maryland. It was in force for 61 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
- Jun 4, 2008, 4:14 PM EDT (20:14 UTC)
- Expired
- Jun 4, 2008, 5:15 PM EDT
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 71 km from the middle of the area, began a volume at 20:17 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 |
|---|---|---|---|
| Jun 4, 4:26 PM EDT | TSTM WND DMG | Denton, MD | TREES DOWN WITH ROOF DAMAGE TO A HOUSE NEAR DENTON. |
| Jun 4, 4:35 PM EDT | TSTM WND DMG | Chestertown, MD | TREES AND WIRES DOWN THROUGHOUT EASTERN PART OF COUNTY. |
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 |
|---|---|---|---|
| Jun 4, 2:53 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.2 hours before the alert went out and 25 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
- 27 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 622 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 042014
SVRPHI
MDC011-015-029-035-041-042115-
/O.NEW.KPHI.SV.W.0040.080604T2014Z-080604T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
414 PM EDT WED JUN 4 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CAROLINE COUNTY IN EASTERN MARYLAND...
EASTERN TALBOT COUNTY IN EASTERN MARYLAND...
CECIL COUNTY IN NORTHEAST MARYLAND...
KENT COUNTY IN NORTHEAST MARYLAND...
QUEEN ANNES COUNTY IN NORTHEAST MARYLAND...
* UNTIL 515 PM EDT
* AT 412 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM CONOWINGO TO OLD TOWN TO SKIPTON TO CHOPTANK...OR ALONG A LINE
EXTENDING FROM 22 MILES WEST OF NEWARK TO 33 MILES WEST OF DOVER TO
37 MILES SOUTHWEST OF DOVER TO 41 MILES SOUTHWEST OF DOVER...AND
MOVING EAST AT 60 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
FARMINGTON...ZION...CALVERT AND LOMBARD BY 420 PM...
ANDORA...FAIR HILL...BLAKE AND SMITHVILLE BY 425 PM...
APPLETON AND GLEN WESTOVER BY 430 PM...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS AND DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING BUT AWAY FROM WINDOWS.
IN ADDITION TO DAMAGING WINDS...FREQUENT 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.
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM WEDNESDAY EVENING FOR
DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY AND
SOUTHEAST PENNSYLVANIA.
LAT...LON 3973 7623 3971 7579 3865 7572 3869 7589
3863 7597 3888 7619 3898 7620 3909 7615
3910 7615 3909 7619 3901 7619 3925 7623
3938 7611 3938 7600 3938 7603 3940 7605
3944 7600 3955 7598 3954 7608 3972 7624
TIME...MOT...LOC 2014Z 270DEG 63KT 3967 7614 3914 7608
3888 7606 3863 7583
$$
GORSE2 follow-up statements
000
WWUS51 KPHI 042043
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
443 PM EDT WED JUN 4 2008
DEC001-003-005-042115-
/O.CON.KPHI.SV.W.0039.000000T0000Z-080604T2115Z/
KENT DE-SUSSEX DE-NEW CASTLE DE-
443 PM EDT WED JUN 4 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR NEW CASTLE...SUSSEX AND KENT COUNTIES...
AT 435 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES SOUTHWEST OF GLASGOW
TO HAZLETTVILLE TO GEORGETOWN TO LAUREL...OR ALONG A LINE EXTENDING
FROM 9 MILES SOUTHWEST OF NEWARK TO 10 MILES SOUTHWEST OF DOVER TO 34
MILES SOUTH OF DOVER TO 44 MILES SOUTH OF DOVER...MOVING EAST AT
60 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
DELAWARE CITY...BEAR...DOVER DOWNS AND GUMBORO BY 445 PM EDT...
BIG STONE BEACH...WOODLAND BEACH...PORT PENN AND SLAUGHTER BEACH BY
450 PM EDT...
REHOBOTH BEACH AND OCEAN VIEW BY 455 PM EDT...
THE STRONGEST PART OF THIS LINE IS ACROSS KENT COUNTY AND ESPECIALLY
SUSSEX COUNTY...HOWEVER LOCALLY DAMAGING WINDS CAN STILL OCCUR
ANYWHERE ALONG THIS LINE. IN ADDITION, FREQUENT CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS LINE OF THUNDERSTORMS. REMAIN INDOORS
UNTIL THIS LINE OF SEVERE THUNDERSTORMS COMPLETELY CLEARS YOUR AREA.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY AND
SOUTHEAST PENNSYLVANIA.
LAT...LON 3846 7571 3973 7579 3975 7563 3966 7555
3965 7558 3960 7560 3959 7555 3954 7555
3947 7559 3924 7539 3908 7539 3903 7533
3892 7530 3882 7519 3879 7514 3881 7509
3879 7507 3845 7505
TIME...MOT...LOC 2039Z 270DEG 53KT 3957 7576 3906 7558
3867 7536 3852 7545
$$
GORSE000
WWUS51 KPHI 042112
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
511 PM EDT WED JUN 4 2008
MDC011-015-029-035-042121-
/O.EXP.KPHI.SV.W.0040.000000T0000Z-080604T2115Z/
CAROLINE MD-CECIL MD-KENT MD-QUEEN ANNES MD-
511 PM EDT WED JUN 4 2008
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN QUEEN ANNES...
NORTHEASTERN KENT...SOUTHERN CECIL AND NORTHEASTERN CAROLINE COUNTIES
WILL EXPIRE AT 515 PM EDT...
MORE THUNDERSTORMS ARE POSSIBLE LATER THIS EVENING.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY AND
SOUTHEAST PENNSYLVANIA.
LAT...LON 3964 7579 3878 7573 3912 7587 3938 7612
3937 7602 3938 7600 3938 7603 3940 7605
3944 7600 3955 7598 3956 7599 3954 7602
3954 7608 3962 7615
TIME...MOT...LOC 2111Z 267DEG 38KT 3956 7580 3913 7537
3863 7518 3863 7483
$$
AMCThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 3:17 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 58 min |
| Jun 4, 3:58 PM EDT | Tornado Warning | PHI | Caroline, Queen Anne's, Talbot | 32 min |
| Jun 4, 7:17 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 58 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 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.