Waterspout, Chesapeake Bay Sandy Pt to N Beach Md
- When
- August 2, 1:45 PM EST
- Where
- Chesapeake Bay Sandy Pt to N Beach Md marine zone, 3 mi E of Annapolis
- Reported by
- TRAINED SPOTTER
Waterspout in North Atlantic Coastal Waters, August 2, 2004
1 waterspout, as filed by the National Weather Service.
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, 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 the first event at Aug 1, 5:00 PM EST, 20 hours 45 minutes earlier.
Area forecast discussion, Aug 1, 5:00 PM EST, 20 hours 45 minutes before
AREA FORECAST DISCUSSION...UPDATE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 600 PM EDT SUN AUG 1 2004 .UPDATE... ACTIVITY ON RADAR DECREASING AT THIS TIME. MADE MINOR ADJUSTMENT TO POPS AND REMOVED WATCH HEADLINE FOR NORTHEAST ZONES. 330 PM DISCUSSION .SHORT TERM (TONIGHT AND MONDAY)... FRONTAL BOUNDARY STILL HANGING BACK TO THE WEST AT THIS TIME...WITH THE TROPICAL SYSTEM SKIRTING ALONG THE EAST COAST. FROM THE LATEST VISIBILITY PICTURE...LOOKS LIKE A SHEAR ZONE HAS SET UP OVER THE CWFA BETWEEN THE TWO SYSTEMS. A LINE OF SHOWERS AND THUNDERSTORMS HAS FORMED ALONG THIS AXIS...AND HAS MOVED VERY SLOWLY SOUTHEAST DURING THE AFTERNOON HOURS. VERY HEAVY RAINFALL ACCOMPANIES THIS LINE...AND A FEW LIGHTNING STRIKES ALSO. FLOOD WATCH SITUATION...WILL KEEP THE CURRENT FLOOD WATCH INTACT UNTIL 6 PM. AFTERNOON CONVECTION HAS POPPED TO THE WEST OF THE WATCH AREA...AND IS MOVING EAST. STORMS WILL BE MOVING OVER AREAS THAT HAVE ALREADY RECEIVED A GOOD DEAL OF RAINFALL DURING THE DAY. WILL NOT BE EXPANDING FOR AREAS SOUTH OF THE CURRENT WATCH. FFG IS 3.5 INCHES AN HOUR IN SOUTHERN MARYLAND AND AROUND 2+ IN THE SOUTHERN QUARTER OF THE CWFA. THE FRONTAL BOUNDARY WILL CONTINUE TO SLOWLY APPROACH FROM THE WEST OVERNIGHT AND MONDAY. BOUNDARY LOOKS TO SLOW DOWN ON MONDAY OVER CENTRAL PORTIONS OF VIRGINIA...AND STALL. POPS WILL BE HIGHEST IN VICINITY OF THE SHEAR AXIS...WITH CHANCE/SLIGHT CHANCE OUT WEST. && .AVIATION...SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THE OVERNIGHT HOURS AROUND THE TAF SITES. ACTIVITY IS NOT DIURNAL IN NATURE...AND WILL LINGER WELL INTO THE NIGHTTIME. && .LONG TERM (SUNDAY NIGHT AND BEYOND)...AT THE BEGINNING OF THE PERIOD FRONTAL BOUNDARY REMAINS STALLED OVER CENTRAL PORTIONS OF THE CWFA. BY LATE SUNDAY NIGHT/EARLY MONDAY THE BOUNDARY SHOULD BECOME DIFFUSE AS THE TROPICAL LOW MOVES UP THE SOUTHEAST COAST. BY LATE TUESDAY/INTO WEDNESDAY...THE CWFA SHOULD BE IN THE SUBSIDENT AREA ON THE NORTHWEST SIDE OF THE TROPICAL SYSTEM. WILL HAVE VERY SMALL POPS IN THE EAST. BY EARLY WEDNESDAY...MOISTURE WILL BE INCREASING FROM THE SOUTHWEST IN ADVANCE OF THE FRONTAL BOUNDARY PROGGED TO COME THROUGH OVERNIGHT WEDNESDAY/EARLY THURSDAY. WILL HAVE THE HIGHEST POPS IN THE WEST AT THIS TIME. BY THURSDAY...FRONTAL BOUNDARY SHOULD BE OVER THE SOUTHERN PORTIONS OF THE CWFA. ON FRIDAY...HIGH PRESSURE WILL BEGIN TO SETTLE OVER THE MID ATLANTIC REGION...AND VERY LITTLE POPS/IF ANY FOR THE WEEKEND. && .LWX WATCHES/WARNINGS/ADVISORIES... DC...NONE. MD...NONE. VA...NONE. WV...NONE. MARINE...NONE. && CPW/LISTEMAA
Event by event
1 waterspout. Local standard time, as filed.
What these are
- Waterspout
- A tornado over water. One that moves ashore is filed as a tornado from the coastline on.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- High Wind in Washington, August 2, 2004
- Tornadoes and Hail in Minnesota, August 2, 2004
- Hail and Damaging Winds in South Dakota, August 2 to 3, 2004
- Flash Flooding and Hail in Michigan, August 2, 2004
- Hail and Damaging Winds in Michigan, August 2, 2004
- Damaging Wind and Heavy Rain in Florida, August 2, 2004
- Damaging Winds in Utah, August 2, 2004
- Hail and Damaging Wind in South Dakota, August 2, 2004
- Damaging Wind in Idaho, August 2, 2004
- Flash Flood in West Virginia, August 2, 2004
- Tornado in Tennessee, August 2, 2004
- Flash Flood in Washington, August 2, 2004
More
Every storm in North Atlantic Coastal Waters in 2004Every state in 2004This day in weather history
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 5421793.