Alert archive / Florida / Special Weather Statements in 2017
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Jun 25, 2017, 7:21 PM EDT for Volusia County, Florida. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 25, 2017, 7:21 PM EDT (23:21 UTC)
- Expired
- Jun 25, 2017, 8:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Melbourne, FL
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 113 km from the middle of the area, began a volume at 23:24 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 11.4 hours before the alert went out and 92 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
- 668 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 862 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
632
WWUS82 KMLB 252321
SPSMLB
Special Weather Statement
National Weather Service Melbourne FL
721 PM EDT SUN JUN 25 2017
FLZ041-046-260000-
Inland Volusia County FL-Seminole FL-
721 PM EDT SUN JUN 25 2017
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN SEMINOLE AND CENTRAL
VOLUSIA COUNTIES UNTIL 800 PM EDT...
At 720 PM EDT, Doppler radar was tracking a strong thunderstorm over
Deltona. This storm was nearly stationary.
Winds up to 40 mph will be possible with this storm.
Locations impacted include...
Deltona, Sanford, DeLand, Orange City and Lake Helen.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 2908 8123 2907 8122 2905 8122 2899 8117
2896 8115 2878 8124 2881 8139 2909 8126
TIME...MOT...LOC 2320Z 175DEG 4KT 2890 8124
$$
CombsThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 8:56 PM EDT | Areal Flood Advisory | MLB | Orange | 2 hr |
Nearby
Special Weather Statements in Florida, 2017Every special weather statement in 2017
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.