Alert archive / Maryland / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 224, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 31, 2006, 3:49 PM EDT for Cecil County, Maryland. It was in force for 59 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
- Jul 31, 2006, 3:49 PM EDT (19:49 UTC)
- Expired
- Jul 31, 2006, 4:48 PM EDT
- In force
- 59 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Cecil County, MD
The radar
The Dover AFB radar (KDOX), 110 km from the middle of the area, began a volume at 19:52 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 31, 4:00 PM EDT | TSTM WND DMG | 5 Nnw Port Deposit, MD | TREES AND WIRES DOWN NEAR CONOWINGO DAM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.8 hours before the alert went out and 22 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
- 954 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1033 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 311950 SVRPHI MDC015-312100- /O.NEW.KPHI.SV.W.0224.060731T1949Z-060731T2100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 349 PM EDT MON JUL 31 2006 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN CECIL COUNTY IN NORTHEAST MARYLAND * UNTIL 500 PM EDT * AT 345 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES WEST OF RISING SUN...OR ABOUT 23 MILES WEST OF NEWARK...AND MOVING SOUTHEAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RISING SUN BY 410 PM EDT... IN ADDITION TO DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS POSSIBLE. MOVE INDOORS IMMEDIATELY LAT...LON 3975 7615 3965 7625 3953 7611 3964 7596 $$ KRUZDLO
2 follow-up statements
000 WWUS51 KPHI 312016 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 413 PM EDT MON JUL 31 2006 MDC015-312100- /O.CON.KPHI.SV.W.0224.000000T0000Z-060731T2100Z/ CECIL MD- 413 PM EDT MON JUL 31 2006 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR NORTHWESTERN CECIL COUNTY... AT 410 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR PERRYVILLE...OR ABOUT 19 MILES WEST OF NEWARK...MOVING SOUTHEAST AT 20 MPH. THIS STORM HAS A HISTORY OF PRODUCING WIND DAMAGE. COUNTY OFFICIALS REPORTED TREES AND WIRES DOWN NEAR CONOWINGO DAM. MOVE INDOORS IF THREATENING WEATHER APPROACHES. LAT...LON 3975 7615 3965 7625 3953 7611 3964 7596 $$ KRUZDLO
000 WWUS51 KPHI 312048 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 446 PM EDT MON JUL 31 2006 MDC015-312056- /O.CAN.KPHI.SV.W.0224.000000T0000Z-060731T2100Z/ CECIL MD- 446 PM EDT MON JUL 31 2006 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CECIL COUNTY IS CANCELLED... THE SEVERE THUNDERSTORM RESPONSIBLE FOR THE WIND DAMAGE NEAR CONOWINGO DAM WAS WEAKENED. FOR THIS REASON...THE WARNING HAS BEEN CANCELED. LAT...LON 3975 7615 3965 7625 3953 7611 3964 7596 $$ KRUZDLO
Nearby
Severe Thunderstorm Warnings in Maryland, 2006Every severe thunderstorm warning in 2006
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.