Alert archive / Maryland / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 55, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 3, 2010, 6:17 PM EDT for Kent County, Sussex County, Delaware; Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 88 min. 1 report 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 3, 2010, 6:17 PM EDT (22:17 UTC)
- Expired
- Jun 3, 2010, 7:45 PM EDT
- In force
- 88 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 43 km from the middle of the area, began a volume at 22:19 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 3, 6:40 PM EDT | TSTM WND DMG | Easton, MD | WIRES DOWN AND POWER OUTAGES IN EASTON. |
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 3, 1:32 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.3 hours before the alert went out and 87 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
- 889 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
850
WUUS51 KPHI 032217
SVRPHI
DEC001-005-MDC011-035-041-032345-
/O.NEW.KPHI.SV.W.0055.100603T2217Z-100603T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
617 PM EDT THU JUN 3 2010
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN KENT COUNTY IN CENTRAL DELAWARE...
CAROLINE COUNTY IN EASTERN MARYLAND...
TALBOT COUNTY IN EASTERN MARYLAND...
THIS INCLUDES THE CITY OF EASTON...
EASTERN QUEEN ANNE'S COUNTY IN NORTHEAST MARYLAND...
THIS INCLUDES THE CITY OF CENTERVILLE...
WESTERN SUSSEX COUNTY IN SOUTHERN DELAWARE...
* UNTIL 745 PM EDT
* AT 614 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 NEAR STEVENSVILLE TO NEAR SAINT MICHAELS...AND MOVING EAST AT
25 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
COPPERVILLE AROUND 630 PM EDT...
OXFORD AROUND 635 PM EDT...
WYE MILLS...STARKEY CORNER...SKIPTON AND CENTERVILLE AROUND 640 PM
EDT...
CHURCH HILL...STARR...CARVILLE AND EASTON AROUND 645 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS
ONE OF NATURES GREATEST KILLERS. REMEMBER...IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
THURSDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND.
&&
LAT...LON 3847 7571 3865 7572 3867 7576 3869 7583
3869 7590 3867 7595 3860 7598 3856 7604
3861 7609 3861 7611 3866 7617 3867 7622
3910 7615 3917 7604 3913 7550 3846 7565
TIME...MOT...LOC 2215Z 280DEG 22KT 3916 7621 3856 7635
$$
IOVINO2 follow-up statements
781
WWUS51 KPHI 032302
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
702 PM EDT THU JUN 3 2010
MDC035-032310-
/O.CAN.KPHI.SV.W.0055.000000T0000Z-100603T2345Z/
QUEEN ANNE'S MD-
702 PM EDT THU JUN 3 2010
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN QUEEN ANNE'S COUNTY IS
CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FOR
DELAWARE AND NORTHEASTERN MARYLAND.
LAT...LON 3847 7571 3865 7572 3869 7583 3867 7595
3863 7597 3856 7604 3861 7609 3861 7611
3865 7616 3892 7595 3897 7595 3914 7579
3913 7550 3846 7565
TIME...MOT...LOC 2300Z 280DEG 22KT 3911 7586 3851 7600
$$
DEC001-005-MDC011-041-032345-
/O.CON.KPHI.SV.W.0055.000000T0000Z-100603T2345Z/
KENT DE-CAROLINE MD-TALBOT MD-SUSSEX DE-
702 PM EDT THU JUN 3 2010
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR WESTERN SUSSEX...SOUTHEASTERN TALBOT...CAROLINE AND SOUTHWESTERN
KENT COUNTIES...
AT 657 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING CORDOVA TO TANYARD TO TRAPPE IN MARYLAND...MOVING EAST AT
25 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
HARMONY AND PRESTON BY 705 PM EDT...
TEMPLEVILLE...GREENSBORO...GOLDSBORO AND DENTON BY 710 PM EDT...
MARYDEL AND HENDERSON BY 715 PM EDT...
AGNER AND SANDTOWN BY 720 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO 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 900 PM EDT
THURSDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND.
&&
LAT...LON 3847 7571 3865 7572 3869 7583 3867 7595
3863 7597 3856 7604 3861 7609 3861 7611
3865 7616 3892 7595 3897 7595 3914 7579
3913 7550 3846 7565
TIME...MOT...LOC 2300Z 280DEG 22KT 3911 7586 3851 7600
$$
IOVINO351
WWUS51 KPHI 032320
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
720 PM EDT THU JUN 3 2010
MDC041-032328-
/O.CAN.KPHI.SV.W.0055.000000T0000Z-100603T2345Z/
TALBOT MD-
720 PM EDT THU JUN 3 2010
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TALBOT COUNTY IS
CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
THURSDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND.
LAT...LON 3847 7571 3865 7572 3869 7583 3869 7590
3867 7595 3872 7601 3878 7597 3878 7596
3881 7590 3883 7593 3886 7593 3889 7596
3897 7593 3896 7554 3846 7565
TIME...MOT...LOC 2318Z 280DEG 22KT 3896 7575 3849 7586
$$
DEC001-005-MDC011-032345-
/O.CON.KPHI.SV.W.0055.000000T0000Z-100603T2345Z/
KENT DE-CAROLINE MD-SUSSEX DE-
720 PM EDT THU JUN 3 2010
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR WESTERN SUSSEX...CAROLINE AND SOUTHWESTERN KENT COUNTIES...
AT 715 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM DENTON TO PRESTON...MOVING EAST
AT 25 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
SMITHVILLE AND FEDERALSBURG BY 725 PM EDT...
ANDREWSVILLE BY 735 PM EDT...
HARRINGTON...GREENWOOD AND FARMINGTON BY 740 PM EDT...
SEAFORD AND BRIDGEVILLE BY 745 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO 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 900 PM EDT
THURSDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND.
&&
LAT...LON 3847 7571 3865 7572 3869 7583 3869 7590
3867 7595 3872 7601 3878 7597 3878 7596
3881 7590 3883 7593 3886 7593 3889 7596
3897 7593 3896 7554 3846 7565
TIME...MOT...LOC 2318Z 280DEG 22KT 3896 7575 3849 7586
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 5:23 PM EDT | Special Weather Statement | PHI | Kent, Sussex | 52 min |
| Jun 3, 7:29 PM EDT | Special Weather Statement | PHI | Sussex | 91 min |
| Jun 3, 2:58 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 62 min |
| Jun 3, 4:31 PM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 59 min |
| Jun 3, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 56 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2010Severe Thunderstorm Warnings in Delaware, 2010Every severe thunderstorm warning in 2010
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.