Alert archive / Maryland / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 193, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 15, 2000, 12:11 AM EDT for Charles County, Maryland. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 15, 2000, 12:11 AM EDT (04:11 UTC)
- Expired
- Jul 15, 2000, 1:15 AM EDT
- In force
- 64 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
County Charles County, MD
The radar
The Sterling radar (KLWX), 69 km from the middle of the area, began a volume at 04:14 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 4.2 hours before the alert went out and 63 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
- 1500 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1168 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.5
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 Jul 14, 9:20 PM EDT, 2 hours 51 minutes earlier.
Area forecast discussion, Jul 14, 9:20 PM EDT, 2 hours 51 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 920 PM EDT FRI JUL 14 2000 SVR THREAT IS ONGOING AND WILL BE DOING THE EVE UPDATE TO ZNS WITH APPROPRIATE ADJSTMTS AS NEEDED...HI POPS CONTD WITH POTNTL FOR STG/SVR TSTMS FOR AT LEAST ANTHR 3-4HRS. INTL SCTD ACTVTY WITH LCLZD VRY HVY RAINS AND ISOLD LRG HAIL APPRS TO BE ON THE WANE AND EMPHASIS AND ATTN NOW TURNG TO BETTER DYNAMICALLY DRIVEN LN OF TSTMS APCHG AND ASSOCD WITH DPNG LRG SCALE TROF...THREAT SHIFTG FM ONLY HVY RAIN/HAIL TO MORE WNDS. 00Z IAD RAOB SHOWS GUD DIRECTNL SHEAR AND MDT INSTBLTY BUT NOT A LOT OF SPEED SHEAR. .LWX... DC...NONE. MD...NONE. VA...NONE. WV...NONE. JLWq
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 8:24 PM EDT | Severe Thunderstorm Warning | LWX | Prince William, City of Manassas, City of Manassas Park | 66 min |
| Jul 14, 8:51 PM EDT | Severe Thunderstorm Warning | LWX | Clarke, Frederick, Warren | 39 min |
| Jul 14, 8:51 PM EDT | Severe Thunderstorm Warning | LWX | Shenandoah | 39 min |
| Jul 14, 10:06 PM EDT | Severe Thunderstorm Warning | LWX | Loudoun | 24 min |
| Jul 14, 10:19 PM EDT | Flash Flood Warning | LWX | Fairfax, City of Fairfax, City of Falls Church | 56 min |
| Jul 15, 12:35 AM EDT | Flash Flood Warning | LWX | King George, Stafford | 115 min |
| Jul 14, 8:15 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 45 min |
| Jul 14, 10:44 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 2 hr |
| Jul 14, 11:23 PM EDT | Flash Flood Warning | LWX | Anne Arundel, Prince George's | 67 min |
| Jul 15, 2:25 AM EDT | Flash Flood Warning | LWX | Saint Mary's | 65 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.