Alert archive / Maryland / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 103, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 2, 2000, 6:58 PM EDT for Anne Arundel County, Howard County, Maryland. It was in force for 47 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
- Jun 2, 2000, 6:58 PM EDT (22:58 UTC)
- Expired
- Jun 2, 2000, 7:45 PM EDT
- In force
- 47 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Anne Arundel County, MD, Howard County, MD
The radar
The Sterling radar (KLWX), 66 km from the middle of the area, began a volume at 22:59 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 |
|---|---|---|---|
| Jun 2, 7:00 PM EDT | Thunderstorm Wind | Lothian, MD | Trees were downed. |
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 nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.0 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
- 395 J/kg
- Mixed-layer CIN
- -233 J/kg
- Mixed-layer LCL
- 1375 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 2, 3:05 PM EDT, 3 hours 53 minutes earlier.
Area forecast discussion, Jun 2, 3:05 PM EDT, 3 hours 53 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 305 PM EDT FRI JUN 2 2000 SQUALL LINE STILL WELL TO OUR W IN NW PA. COLD FRONT WILL PUSH THRU LATER TNT WITH ABOUT A 6 HR PERIOD OF GOOD COLD ADVCTN AND STRONGER WINDS AROUND 20 MPH. THOSE WINDS WILL USHER IN DRIER AND MUCH COOLER AIR THAN TODAY. 18Z SOUNDING AT KIAD HAD 3000+ CAPE AND LI -9...BUT A 3 DEG C CAP WHICH EXPLAINS NO CU E OF THE MTNS OVER THE CWA ATTM. AFTER LINE GOES THRU TNT. HIGH PRES IN CNTRL FOR THE REST OF THE WEEKEND. HI TMPS 75 TO 80. LOWS WILL BE A BIT COOLER THAN MOS ON SAT NIGHT WITH LGHT WNDS AND CLR SKIES. NXT SYSTM IS LATE MON/TUES TIME FRAME AS NEXT WAVES MOVE IN FROM THE WEST. .LWX... DC...NONE. MD...NONE. VA...NONE. WV...NONE. STRONG
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 6:40 PM EDT | Severe Thunderstorm Warning | LWX | Arlington, Fairfax, City of Falls Church | 35 min |
| Jun 2, 6:48 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier, Prince William | 27 min |
| Jun 2, 7:08 PM EDT | Severe Thunderstorm Warning | LWX | Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church | 52 min |
| Jun 2, 7:26 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier, Prince William | 34 min |
| Jun 2, 7:08 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 52 min |
| Jun 2, 7:59 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 46 min |
| Jun 2, 7:47 PM EDT | Severe Thunderstorm Warning | LWX | Grant, Mineral | 43 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 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.