Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 62, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 18, 2000, 4:00 PM EDT for Plymouth County, Massachusetts. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 18, 2000, 4:00 PM EDT (20:00 UTC)
- Expired
- Jul 18, 2000, 4:30 PM EDT
- In force
- 30 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Plymouth County, MA
The radar
The Boston radar (KBOX), 33 km from the middle of the area, began a volume at 20:00 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 18, 4:30 PM EDT | Thunderstorm Wind 50 E | Hingham, MA |
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 |
|---|---|---|---|
| Jul 18, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 8.0 hours before the alert went out and 73 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
- 118 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 566 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 54 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 KBOX 182002 SVRBOS MAC023-182030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 400 PM EDT TUE JUL 18 2000 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME NORTH CENTRAL PLYMOUTH COUNTY IN SOUTHEAST MASSACHUSETTS * UNTIL 430 PM EDT. * AT 355 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTHWEST OF HINGHAM...OR ABOUT OVER BOSTON...MOVING SOUTHEAST AT 20 MPH. * OTHER TOWNS IN THE PATH OF THE STORM INCLUDE QUINCY...HINGHAM AND NORWELL. SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND/OR WIND STRONG ENOUGH TO KNOCK DOWN TREES AND POWER LINES. MOVE INDOORS AND STAY AWAY FROM WINDOWS. $$
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 12:24 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 36 min |
| Jul 18, 1:43 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex | 47 min |
| Jul 18, 2:29 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex | 46 min |
| Jul 18, 3:13 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex | 32 min |
| Jul 18, 3:18 PM EDT | Severe Thunderstorm Warning | BOX | Essex | 17 min |
| Jul 18, 3:22 PM EDT | Severe Thunderstorm Warning | BOX | Suffolk | 23 min |
| Jul 18, 3:31 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk | 44 min |
| Jul 18, 3:44 PM EDT | Severe Thunderstorm Warning | BOX | Suffolk | 31 min |
| Jul 18, 4:13 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk | 32 min |
| Jul 18, 4:39 PM EDT | Severe Thunderstorm Warning | BOX | Plymouth | 21 min |
| Jul 18, 4:53 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 27 min |
| Jul 18, 5:01 PM EDT | Severe Thunderstorm Warning | BOX | Plymouth | 19 min |
| Jul 18, 5:32 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk | 28 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 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; radar from the NEXRAD Level II archive.