Alert archive / Virginia / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 16, NWS Wakefield, VA
NWS Wakefield, VA issued this severe thunderstorm warning at Mar 29, 1997, 2:24 PM EST for Accomack County, Northampton County, Virginia. It was in force for 21 min. 3 reports 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
- Mar 29, 1997, 2:24 PM EST (19:24 UTC)
- Expired
- Mar 29, 1997, 2:45 PM EST
- In force
- 21 min
- Issued by
- NWS Wakefield, VA
- Area
- Whole counties
Counties Accomack County, VA, Northampton County, VA
The radar
The Norfolk radar (KAKQ), 120 km from the middle of the area, began a volume at 19:27 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 |
|---|---|---|---|
| Mar 29, 2:30 PM EST | Hail 1.25 | Exmore, VA | |
| Mar 29, 2:30 PM EST | Hail 0.75 | Belle Haven, VA | |
| Mar 29, 2:45 PM EST | Hail 0.75 | New Church, VA |
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 |
|---|---|---|---|
| Mar 29, 12:15 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 7.4 hours before the alert went out and 59 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
- 301 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 433 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Wakefield, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 2:14 PM EST | Severe Thunderstorm Warning | AKQ | City of Chesapeake, City of Portsmouth, City of Suffolk | 31 min |
| Mar 29, 2:33 PM EST | Severe Thunderstorm Warning | AKQ | Accomack | 32 min |
| Mar 29, 2:40 PM EST | Severe Thunderstorm Warning | AKQ | City of Norfolk, City of Virginia Beach | 35 min |
| Mar 29, 2:23 PM EST | Severe Thunderstorm Warning | AKQ | Dorchester | 32 min |
| Mar 29, 2:55 PM EST | Severe Thunderstorm Warning | AKQ | Wicomico | 35 min |
| Mar 29, 3:19 PM EST | Severe Thunderstorm Warning | AKQ | Worcester | 26 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 1997Every severe thunderstorm warning in 1997
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.