Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Melbourne, FL

October 28, 2021Seminole County, Florida

NWS Melbourne, FL issued this special weather statement at Oct 28, 2021, 11:13 AM EDT for Seminole County, Florida. It was in force for 47 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: Oct 28, 2021, 11:13 AM EDT (15:13 UTC)
Expired: Oct 28, 2021, 12:00 PM EDT
In force: 47 min
Issued by: NWS Melbourne, FL
Hail: 0.25 in
Wind: 50

County Seminole County, FL

The radar

The Melbourne radar (KMLB), 75 km from the middle of the area, began a volume at 15:16 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, 3.2 hours before the alert went out and 53 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1603 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

952 
WWUS82 KMLB 281513
SPSMLB

Special Weather Statement
National Weather Service Melbourne FL
1113 AM EDT Thu Oct 28 2021
 
FLZ041-045-046-141-147-281600-
Coastal Volusia FL-Northern Brevard County FL-Orange FL-Seminole FL-
Inland Volusia FL-
1113 AM EDT Thu Oct 28 2021

...A strong thunderstorm will impact portions of eastern Seminole,
northwestern Brevard, southeastern Orange and southeastern Volusia
Counties through NOON EDT...

At 1113 AM EDT, Doppler radar was tracking a strong thunderstorm over
University Of Central Florida, moving northeast at 45 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Orlando, Titusville, Oviedo, Winter Springs and Winter Park. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

A Tornado Watch remains in effect until 500 PM EDT for east central
Florida.

&&

LAT...LON 2878 8067 2842 8113 2860 8137 2911 8090
TIME...MOT...LOC 1513Z 222DEG 37KT 2861 8118 

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

$$

Leahy

The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 28, 11:27 AM EDT	Special Marine Warning	MLB		46 min
Oct 28, 1:14 PM EDT	Special Weather Statement	MLB	Lake	76 min
Oct 28, 1:38 PM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange	52 min
Oct 28, 2:14 PM EDT	Special Weather Statement	MLB	Lake, Volusia	61 min
Oct 28, 2:19 PM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange, Seminole	41 min
Oct 28, 2:37 PM EDT	Special Marine Warning	MLB		83 min
Oct 28, 2:49 PM EDT	Special Marine Warning	MLB		41 min
Oct 28, 2:55 PM EDT	Special Weather Statement	MLB	Orange	50 min
Oct 28, 3:13 PM EDT	Special Weather Statement	MLB	Volusia	47 min
Oct 28, 3:29 PM EDT	Tornado Warning	MLB	Volusia	16 min
Oct 28, 3:52 PM EDT	Special Weather Statement	MLB	Brevard, Osceola, Seminole	53 min
Oct 28, 3:55 PM EDT	Special Marine Warning	MLB		65 min
Oct 28, 4:13 PM EDT	Special Marine Warning	MLB		41 min
Oct 28, 4:19 PM EDT	Special Weather Statement	MLB	Okeechobee	41 min
Oct 28, 4:59 PM EDT	Tornado Warning	MLB	Indian River, Osceola	31 min
Oct 28, 5:21 PM EDT	Tornado Warning	MLB	Brevard, Indian River	24 min
Oct 28, 5:41 PM EDT	Special Marine Warning	MLB		2 hr
Oct 28, 5:43 PM EDT	Special Weather Statement	MLB	Indian River	47 min

Nearby

Special Weather Statements in Florida, 2021 Every special weather statement in 2021

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.