Alert archive / Delaware / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 86, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 2, 2000, 9:24 PM EDT for Sussex County, Delaware. It was in force for 21 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jun 2, 2000, 9:24 PM EDT (01:24 UTC)
- Expired
- Jun 2, 2000, 9:45 PM EDT
- In force
- 21 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Sussex County, DE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 2, 9:25 PM EDT | Thunderstorm Wind 50 E | Lewes, DE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 2, 7:45 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 1.4 hours before the alert went out and 104 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
- 2127 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 1152 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
336 WUUS51 KPHI 030127 SVRPHL DEC005-030145- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 924 PM EDT FRI JUN 2 2000 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN SUSSEX COUNTY IN SOUTHERN DELAWARE AND ADJACENT WATERS OF THE DELAWARE BAY AND ATLANTIC OCEAN. * UNTIL 945 PM EDT. * AT 921 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... 3 MILES NORTHWEST OF LEWES...OR ABOUT 29 MILES SOUTHEAST OF DOVER...MOVING EASTSOUTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... REHOBOTH BEACH AT 930 PM EDT... FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE TELEVISION OUTLET. NNNN LAT...LON 3893 7521 3876 7534 3862 7475 3888 7473
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 8:41 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 49 min |
Nearby
Severe Thunderstorm Warnings in Delaware, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.