Alert archive / Maryland / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 166, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Oct 7, 2014, 11:57 PM EDT for Caroline County, Talbot County, Maryland; Kent County, Sussex County, Delaware. It was in force for 63 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
- Oct 7, 2014, 11:57 PM EDT (03:57 UTC)
- Expired
- Oct 8, 2014, 1:00 AM EDT
- In force
- 63 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 24 km from the middle of the area, began a volume at 04:01 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 |
|---|---|---|---|
| Oct 8, 12:00 AM EDT | TSTM WND DMG | Preston, MD | WIRES AND TREE LIMBS DOWN |
| Oct 8, 12:00 AM EDT | TSTM WND DMG | Preston, MD | SEVERAL TREES DOWN....DAMAGE TO FENCES AND SOFFITS AND HEAT PUMPS BLOWN OVER IN THE MAIN STREET...HUGHLETT ROAD...TIDEWATER CIRCLE AND WILLIAMSON STREET AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 4.0 hours before the alert went out and 94 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
- 96 J/kg
- Mixed-layer CIN
- -137 J/kg
- Mixed-layer LCL
- 1222 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
183
WUUS51 KPHI 080357
SVRPHI
DEC001-005-MDC011-041-080500-
/O.NEW.KPHI.SV.W.0166.141008T0357Z-141008T0500Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1157 PM EDT TUE OCT 7 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN KENT COUNTY IN CENTRAL DELAWARE...
SOUTHERN CAROLINE COUNTY IN EASTERN MARYLAND...
NORTHWESTERN SUSSEX COUNTY IN SOUTHERN DELAWARE...
SOUTHEASTERN TALBOT COUNTY IN EASTERN MARYLAND...
* UNTIL 100 AM EDT
* AT 1155 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
HARMONY TO CHOPTANK TO CAMBRIDGE...MOVING NORTHEAST AT 35 MPH.
THESE STORMS ARE CAPABLE OF PRODUCING ONE INCH DIAMETER HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
AGNER AROUND 1210 AM EDT...
FEDERALSBURG AND SMITHVILLE AROUND 1220 AM EDT...
ANDREWSVILLE AROUND 1225 AM EDT...
HARRINGTON AROUND 1230 AM EDT...
SEAFORD AROUND 1235 AM EDT...
BRIDGEVILLE AROUND 1240 AM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS LINE OF
SEVERE THUNDERSTORMS. WHEN THUNDER ROARS...MOVE INDOORS! REMEMBER...
IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING.
&&
LAT...LON 3860 7609 3882 7593 3905 7536 3902 7533
3894 7530 3893 7532 3890 7527 3872 7535
3861 7571 3864 7572 3868 7576 3867 7579
3869 7581 3870 7586 3866 7595 3860 7598
3857 7602
TIME...MOT...LOC 0357Z 245DEG 29KT 3879 7587 3871 7593
3859 7601
$$
FORECASTER: HEAVENER3 follow-up statements
248
WWUS51 KPHI 080417
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1217 AM EDT WED OCT 8 2014
MDC041-080427-
/O.CAN.KPHI.SV.W.0166.000000T0000Z-141008T0500Z/
TALBOT MD-
1217 AM EDT WED OCT 8 2014
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TALBOT COUNTY IS
CANCELLED...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.
LAT...LON 3887 7580 3905 7536 3902 7533 3894 7530
3893 7532 3890 7527 3872 7535 3861 7571
3864 7572 3868 7576 3867 7579 3869 7581
3870 7586 3869 7588
TIME...MOT...LOC 0417Z 245DEG 29KT 3886 7568 3878 7574
3866 7582
$$
DEC001-005-MDC011-080500-
/O.CON.KPHI.SV.W.0166.000000T0000Z-141008T0500Z/
KENT DE-CAROLINE MD-SUSSEX DE-
1217 AM EDT WED OCT 8 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM EDT
FOR NORTHWESTERN SUSSEX...SOUTHEASTERN CAROLINE AND SOUTHERN KENT
COUNTIES...
AT 1213 AM 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 FROM ANDREWSVILLE TO AGNER TO 6 MILES SOUTHWEST OF
FEDERALSBURG...OR ALONG A LINE EXTENDING FROM 17 MILES NORTHEAST OF
HURLOCK TO 11 MILES NORTHEAST OF HURLOCK TO HURLOCK...MOVING
NORTHEAST AT 35 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
ANDREWSVILLE BY 1225 AM EDT...
HARRINGTON AND FARMINGTON BY 1230 AM EDT...
SEAFORD...HOUSTON AND GREENWOOD BY 1235 AM EDT...
BRIDGEVILLE BY 1240 AM EDT...
MILFORD BY 1245 AM EDT...
BIG STONE BEACH AND ELLENDALE BY 1255 AM EDT...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
LAT...LON 3887 7580 3905 7536 3902 7533 3894 7530
3893 7532 3890 7527 3872 7535 3861 7571
3864 7572 3868 7576 3867 7579 3869 7581
3870 7586 3869 7588
TIME...MOT...LOC 0417Z 245DEG 29KT 3886 7568 3878 7574
3866 7582
$$
HEAVENER256
WWUS51 KPHI 080443
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1243 AM EDT WED OCT 8 2014
MDC011-080453-
/O.CAN.KPHI.SV.W.0166.000000T0000Z-141008T0500Z/
CAROLINE MD-
1243 AM EDT WED OCT 8 2014
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CAROLINE COUNTY
IS CANCELLED...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.
LAT...LON 3872 7535 3863 7566 3868 7571 3880 7570
3894 7555 3905 7536 3902 7533 3894 7530
3893 7532 3890 7527
TIME...MOT...LOC 0443Z 245DEG 29KT 3895 7543 3887 7550
3875 7558
$$
DEC001-005-080500-
/O.CON.KPHI.SV.W.0166.000000T0000Z-141008T0500Z/
KENT DE-SUSSEX DE-
1243 AM EDT WED OCT 8 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM EDT
FOR NORTHWESTERN SUSSEX AND SOUTHEASTERN KENT COUNTIES...
AT 1241 AM 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 FROM MILFORD TO FARMINGTON TO BRIDGEVILLE...OR ALONG A LINE
EXTENDING FROM 15 MILES SOUTH OF DOVER TO 14 MILES NORTHWEST OF
GEORGETOWN TO 12 MILES WEST OF GEORGETOWN...MOVING NORTHEAST AT 35
MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
BIG STONE BEACH BY 1255 AM EDT...
SLAUGHTER BEACH AND ELLENDALE BY 100 AM EDT...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
LAT...LON 3872 7535 3863 7566 3868 7571 3880 7570
3894 7555 3905 7536 3902 7533 3894 7530
3893 7532 3890 7527
TIME...MOT...LOC 0443Z 245DEG 29KT 3895 7543 3887 7550
3875 7558
$$
HEAVENER674
WWUS51 KPHI 080457
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1257 AM EDT WED OCT 8 2014
DEC001-005-080507-
/O.EXP.KPHI.SV.W.0166.000000T0000Z-141008T0500Z/
KENT DE-SUSSEX DE-
1257 AM EDT WED OCT 8 2014
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SUSSEX AND
SOUTHEASTERN KENT COUNTIES HAS EXPIRED...
LAT...LON 3872 7535 3863 7566 3868 7571 3880 7570
3894 7555 3905 7536 3902 7533 3894 7530
3893 7532 3890 7527
TIME...MOT...LOC 0457Z 245DEG 29KT 3900 7530 3892 7537
3880 7545
$$
HEAVENERThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 9:00 PM EDT | Special Weather Statement | PHI | Queen Anne's | 45 min |
| Oct 7, 9:18 PM EDT | Special Weather Statement | PHI | Caroline | 42 min |
| Oct 7, 11:53 PM EDT | Special Weather Statement | PHI | Caroline | 67 min |
| Oct 8, 12:59 AM EDT | Special Weather Statement | PHI | Sussex | 31 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2014Severe Thunderstorm Warnings in Delaware, 2014Every severe thunderstorm warning in 2014
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.