Alert archive / Virginia / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 5, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Mar 13, 2001, 9:35 PM EST for City of Falls Church, Virginia. It was in force for 40 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
- Mar 13, 2001, 9:35 PM EST (02:35 UTC)
- Expired
- Mar 13, 2001, 10:15 PM EST
- In force
- 40 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
County City of Falls Church, VA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 2.6 hours before the alert went out and 21 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2640 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 79 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 Mar 13, 8:19 PM EST, 1 hour 16 minutes earlier.
Area forecast discussion, Mar 13, 8:19 PM EST, 1 hour 16 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 819 PM EST TUE MAR 13 2001 SHRA/TSTM ENTERING CWFA ATTM. WL RAISE POPS ENTIRE AREA. EMPH ON BRIEF HVY RA...BUT ELVTD RUMBLE OF THUNDER PSBL...ESP W. ZFP/RDF TO FLLW. .LWX...SMALL CRAFT ADVSRY UPR CHES BAY AND PTMC. HTS
In the hours before
Special weather statement, Mar 13, 8:05 PM EST, 1 hour 30 minutes before
DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042- 050>057-WVZ048>055-140400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 805 PM EST TUE MAR 13 2001 ...WIND GUSTS TO 50 MILES PER HOUR LIKELY TONIGHT... A FINAL LINE OF SHOWERS WILL MOVE EAST ACROSS THE REGION BETWEEN 8 PM AND 1030 PM TONIGHT. THIS LINE WILL BRING A STRONG GUST OF WIND WITH BRIEF HEAVY RAIN AND SMALL HAIL. WEST AND NORTHWEST WINDS WILL GUST AS HIGH AS 50 MILES PER HOUR WITH THE SHOWERS. THIS BAND OF GUSTY SHOWERS WILL ENTER THE EASTERN WEST VIRGINIA PANHANDLE AND WESTERN MARYLAND AROUND 8 PM...THEN PROGRESS EAST ACROSS THE REGION. IT SHOULD REACH THE DC AND BALTIMORE METRO AREAS CLOSE TO 9 PM...AND THE BAY AROUND 10 PM. ALL OF THESE TIMES ARE APPROXIMATE. IF YOU HAVE LOOSE OUTDOOR OBJECTS IN YOUR YARD...YOU WILL WANT TO SECURE THEM OR BRING THEM INDOORS. OTHERWISE...THEY MAY BLOW AWAY OR BECCOME DANGEROUS AIRBORNE PROJECTILES. STRONG/HTS
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 9:04 PM EST | Severe Thunderstorm Warning | LWX | Clarke | 26 min |
| Mar 13, 9:04 PM EST | Severe Thunderstorm Warning | LWX | Fauquier, Loudoun | 26 min |
| Mar 13, 9:35 PM EST | Severe Thunderstorm Warning | LWX | Arlington, Fairfax, City of Alexandria | 40 min |
| Mar 13, 9:35 PM EST | Severe Thunderstorm Warning | LWX | City of Fairfax | 40 min |
| Mar 13, 9:35 PM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Carroll, Howard, City of Baltimore | 40 min |
| Mar 13, 10:15 PM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's | 30 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2001Every severe thunderstorm warning in 2001
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.