Alert archive / Delaware / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 101, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 23, 2008, 7:45 PM EDT for Caroline County, Maryland; Kent County, Sussex County, Delaware. It was in force for 51 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
- Jun 23, 2008, 7:45 PM EDT (23:45 UTC)
- Expired
- Jun 23, 2008, 8:36 PM EDT
- In force
- 51 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, Sussex County, DE, Caroline County, MD
The radar
The Dover AFB radar (KDOX), 11 km from the middle of the area, began a volume at 23:45 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 nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.8 hours before the alert went out and 91 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
- 883 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 910 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 19 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 232345
SVRPHI
DEC001-005-MDC011-240045-
/O.NEW.KPHI.SV.W.0101.080623T2345Z-080624T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
745 PM EDT MON JUN 23 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN KENT COUNTY IN CENTRAL DELAWARE...
CAROLINE COUNTY IN EASTERN MARYLAND...
SUSSEX COUNTY IN SOUTHERN DELAWARE...
* UNTIL 845 PM EDT
* AT 740 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 14 MILES WEST OF JUMPTOWN...OR
ABOUT 38 MILES WEST OF DOVER...AND MOVING EAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
GRIFFIN...RIDGELY AND JUMPTOWN BY 800 PM...
DENTON BY 810 PM...
SMITHVILLE BY 820 PM...
ANDREWSVILLE BY 825 PM...
BRIDGEVILLE BY 830 PM...
ELLENDALE BY 840 PM...
IN ADDITION TO LARGE HAIL AND 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.
LAT...LON 3858 7572 3864 7572 3867 7575 3869 7582
3868 7591 3873 7600 3882 7590 3896 7594
3912 7579 3912 7542 3899 7530 3892 7530
3882 7519 3879 7512 3875 7508 3861 7514
3859 7517 3859 7515 3852 7518 3852 7558
TIME...MOT...LOC 2345Z 288DEG 37KT 3895 7611
$$
NIERENBERG1 follow-up statement
000
WWUS51 KPHI 240036
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
836 PM EDT MON JUN 23 2008
DEC001-005-MDC011-240046-
/O.CAN.KPHI.SV.W.0101.000000T0000Z-080624T0045Z/
KENT DE-CAROLINE MD-SUSSEX DE-
836 PM EDT MON JUN 23 2008
...THE SEVERE THUNDERSTORM WARNING FOR SUSSEX...CAROLINE AND SOUTHERN
KENT COUNTIES IS CANCELLED...
THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER SEVERE.
LAT...LON 3858 7572 3864 7572 3867 7575 3869 7582
3868 7591 3873 7600 3882 7590 3896 7594
3912 7579 3912 7542 3899 7530 3892 7530
3882 7519 3879 7512 3875 7508 3861 7514
3859 7517 3859 7515 3852 7518 3852 7558
TIME...MOT...LOC 0036Z 288DEG 37KT 3878 7548
$$
NIERENBERGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 7:32 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 58 min |
Nearby
Severe Thunderstorm Warnings in Delaware, 2008Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.