Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Melbourne, FL

February 1, 2021Brevard County, Osceola County, Florida

NWS Melbourne, FL issued this special weather statement at Feb 1, 2021, 4:59 AM EST for Brevard County, Osceola County, Florida. It was in force for 46 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
Feb 1, 2021, 4:59 AM EST (09:59 UTC)
Expired
Feb 1, 2021, 5:45 AM EST
In force
46 min
Issued by
NWS Melbourne, FL

Counties Brevard County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 14 km from the middle of the area, began a volume at 10:01 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 00:00Z, 10.0 hours before the alert went out and 36 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-pSkew-T log-p diagram, Cape Canaveral, FL at 00:00Z on 2021-02-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 00:00Z on 2021-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
14 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1261 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

400 
WWUS82 KMLB 010959
SPSMLB

Special Weather Statement
National Weather Service Melbourne FL
459 AM EST Mon Feb 1 2021
 
FLZ045-047-053-147-011045-
Southern Brevard County FL-Osceola FL-Northern Brevard County FL-
Orange FL-
459 AM EST Mon Feb 1 2021

...SIGNIFICANT WEATHER ADVISORY FOR BREVARD...SOUTHEASTERN ORANGE AND
EASTERN OSCEOLA COUNTIES UNTIL 545 AM EST...

At 458 AM EST, Doppler radar was tracking strong thunderstorms along
a line extending from Sharpes to 7 miles southeast of Holopaw.
Movement was east at 45 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Kenansville, Holopaw, Palm Bay, Melbourne, Titusville, Rockledge and 
Cocoa. 

LAT...LON 2785 8126 2851 8093 2859 8054 2846 8049
      2839 8056 2834 8057 2813 8054 2787 8041
TIME...MOT...LOC 0958Z 267DEG 38KT 2845 8074 2808 8096 

$$

Kelly

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 1, 2:45 AM ESTGale WarningMLB40 hr
Feb 1, 2:55 AM ESTWind Chill AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia30 hr
Feb 1, 4:54 AM ESTSpecial Marine WarningMLB81 min
Feb 1, 9:48 AM ESTWind AdvisoryMLB12 hr
Feb 1, 10:05 AM ESTSmall Craft AdvisoryMLB52 hr
Feb 1, 6:57 PM ESTRed Flag WarningMLBOkeechobee, Orange, Osceola, Seminole23 hr

Nearby

Special Weather Statements in Florida, 2021Every 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.