Alert archive / Maryland / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 79, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 4, 2006, 2:37 PM EDT for Harford County, Maryland. It was in force for 41 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 4, 2006, 2:37 PM EDT (18:37 UTC)
- Expired
- Jul 4, 2006, 3:18 PM EDT
- In force
- 41 min
- Issued by
- NWS Baltimore/Washington
- Area
- Counties, with a storm outline in the text
County Harford County, MD
The radar
The Dover AFB radar (KDOX), 108 km from the middle of the area, began a volume at 18:39 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 4, 12:40 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 6.6 hours before the alert went out and 195 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
- 1321 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1068 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 4, 1:26 PM EDT, 1 hour 11 minutes earlier.
Area forecast discussion, Jul 4, 1:26 PM EDT, 1 hour 11 minutes before
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Special weather statement, Jul 4, 11:54 AM EDT, 2 hours 43 minutes before
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</html>The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 4:25 AM EDT | Heat Advisory | LWX | Arlington, Fairfax, King George, Spotsylvania, Stafford, City of Alexandria and 3 more | 15 hr |
| Jul 4, 1:45 PM EDT | Special Marine Warning | LWX | 2 hr | |
| Jul 4, 3:07 PM EDT | Severe Thunderstorm Warning | LWX | Shenandoah | 38 min |
| Jul 4, 3:29 PM EDT | Severe Thunderstorm Warning | LWX | Warren | 36 min |
| Jul 4, 3:32 PM EDT | Special Marine Warning | LWX | 118 min | |
| Jul 4, 3:43 PM EDT | Severe Thunderstorm Warning | LWX | Clarke, Fauquier | 62 min |
| Jul 4, 4:02 PM EDT | Special Marine Warning | LWX | 118 min | |
| Jul 4, 4:03 PM EDT | Severe Thunderstorm Warning | LWX | Loudoun | 57 min |
| Jul 4, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax, City of Fairfax | 60 min |
| Jul 4, 4:31 PM EDT | Special Marine Warning | LWX | 89 min | |
| Jul 4, 4:45 PM EDT | Severe Thunderstorm Warning | LWX | Arlington, City of Alexandria, City of Falls Church | 75 min |
| Jul 4, 4:52 PM EDT | Special Marine Warning | LWX | 113 min | |
| Jul 4, 5:19 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier, Prince William, City of Manassas, City of Manassas Park | 56 min |
| Jul 4, 5:27 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax | 50 min |
| Jul 4, 5:35 PM EDT | Special Marine Warning | LWX | 85 min | |
| Jul 4, 5:46 PM EDT | Special Marine Warning | LWX | 119 min | |
| Jul 4, 5:54 PM EDT | Special Marine Warning | LWX | 2 hr | |
| Jul 4, 6:26 PM EDT | Special Marine Warning | LWX | 2 hr | |
| Jul 4, 2:26 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 42 min |
| Jul 4, 3:13 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 45 min |
| Jul 4, 3:37 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 53 min |
| Jul 4, 4:55 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 80 min |
| Jul 4, 5:26 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 64 min |
| Jul 4, 6:13 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 62 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2006Every severe thunderstorm warning in 2006
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.