Alert archive / Florida / Special Weather Statements in 2017

Special Weather Statement, NWS Melbourne, FL

January 22, 2017Brevard County, Indian River County, Osceola County, Florida

NWS Melbourne, FL issued this special weather statement at Jan 22, 2017, 9:59 PM EST for Brevard County, Indian River County, Osceola County, Florida. It was in force for 91 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: Jan 22, 2017, 9:59 PM EST (02:59 UTC)
Expired: Jan 22, 2017, 11:30 PM EST
In force: 91 min
Issued by: NWS Melbourne, FL

Counties Brevard County, FL, Indian River County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 39 km from the middle of the area, began a volume at 02:58 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, 3.0 hours before the alert went out and 68 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: 838 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1078 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 235 m²/s²
0-3 km storm-relative helicity: 265 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Melbourne, FL wrote its last area forecast discussion before this special weather statement went out at Jan 22, 9:58 PM EST, 1 minute earlier.

Area forecast discussion, Jan 22, 9:58 PM EST, 1 minute before

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Hazardous weather outlook, Jan 22, 4:17 PM EST, 5 hours 42 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
417 PM EST SUN JAN 22 2017

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-230100-
FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20 NM-VOLUSIA-
BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20 NM-
SEBASTIAN INLET TO JUPITER INLET 0-20 NM-FLAGLER BEACH TO VOLUSIA-
BREVARD COUNTY LINE 20-60 NM-VOLUSIA-
BREVARD COUNTY LINE TO SEBASTIAN INLET 20-60 NM-
SEBASTIAN INLET TO JUPITER INLET 20-60 NM-INLAND VOLUSIA COUNTY-
NORTHERN LAKE COUNTY-ORANGE-SEMINOLE-SOUTHERN BREVARD COUNTY-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-SOUTHERN LAKE COUNTY-
NORTHERN BREVARD COUNTY-
417 PM EST SUN JAN 22 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

.THUNDERSTORM IMPACT...
ENVIRONMENTAL CONDITIONS AHEAD OF A POTENT LOW PRESSURE SYSTEM
ACROSS THE SOUTHEAST STATES WILL SUPPORT SEVERE THUNDERSTORMS
ACROSS THE NORTHERN FLORIDA PENINSULA INTO EARLY EVENING THAT WILL
THEN MOVE SOUTHEAST ACROSS THE REMAINDER OF EAST CENTRAL FLORIDA
THROUGH LATE EVENING AND UNTIL AROUND 1 AM ACROSS THE TREASURE
COAST. DEEP LAYER WIND SHEAR...COLDER TEMPERATURES ALOFT AND
STRONG INSTABILITY WILL PRODUCE AN ENHANCED RISK OF DAMAGING
WINDS...HAIL AND A FEW STRONG LONG TRACKED TORNADOES. WIDESPREAD
RAINFALL AMOUNTS AROUND ONE HALF INCH ARE EXPECTED WITH LOCALLY
HIGHER AMOUNTS UP TO 1 TO 2 INCHES POSSIBLE.

RESIDENTS AND VISITORS IN THE AREA SHOULD REVIEW THEIR EMERGENCY
PLANS FOR SEVERE THUNDERSTORMS AND TORNADOES. IF WARNINGS ARE
ISSUED...HEAD TO A STURDY STRUCTURE AWAY FROM WINDOWS IMMEDIATELY.
ALSO...ENSURE YOU HAVE MULTIPLE WAYS TO RECEIVE WATCH AND WARNING
INFORMATION...INCLUDING THROUGH NOAA WEATHER RADIO...YOUR SMART
PHONE...LOCAL TV OUTLETS...OR A COMPUTER.

.HIGH WIND IMPACT...
A WIND ADVISORY CONTINUES THROUGH MIDNIGHT FOR STRONG AND GUSTY
SOUTHWEST WINDS 20 TO 30 MPH WITH OCCASIONAL GUSTS UP TO 40 TO 45
MPH. LOOSE OR LIGHTWEIGHT OBJECTS SHOULD BE SECURED. SMALL TREE
LIMBS MAY BE BROUGHT DOWN.

.RIP CURRENT IMPACT...
A SMALL BUT LONG PERIOD NORTHEAST SWELL WILL PRODUCE A MODERATE
RISK OF RIP CURRENTS AT THE BEACHES. ALWAYS SWIM WITHIN SIGHT OF A
LIFEGUARD.

.MARINE THUNDERSTORM GUST IMPACT...
A BAND OF STRONG TO SEVERE THUNDERSTORMS WILL PUSH ACROSS THE
INTRACOASTAL AND ATLANTIC WATERS THIS EVENING AND TONIGHT. A
LARGE SWATH OF 35 TO 45 KNOT WINDS ARE EXPECTED TO ACCOMPANY THE
SQUALL LINE AND ANY STORMS THAT DEVELOP AHEAD OF THE LINE. MORE
INTENSE LOCALIZED WINDS OF 50 TO 60 KNOTS WILL OCCUR WITHIN THE
SQUALL LINE AS IT PUSHES ACROSS THE INTRACOASTAL AND ATLANTIC
WATERS.

.WIND AND SEA IMPACT...
A GALE WARNING IS IN EFFECT. EXTREMELY HAZARDOUS WINDS AND SEAS
ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
VERY HAZARDOUS BOATING CONDITIONS WILL CONTINUE MONDAY DUE TO
STRONG WEST WINDS 20 TO 30 KNOTS MAINTAINING SEAS 10 TO 11 FEET
WELL OFFSHORE. A GALE WARNING WILL REMAIN IN EFFECT.

.SPOTTER INFORMATION STATEMENT...
SPOTTERS SHOULD MONITOR THE WEATHER. FORMAL ACTIVATION IS EXPECTED
LATE THIS AFTERNOON AND TONIGHT.

PLEASE RELAY ANY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER
SERVICE IN MELBOURNE AT 3 2 1 2 5 5 0 2 1 2.

VOLKMER

In the hours before

Local storm report, Jan 22, 8:52 PM EST, 1 hour 7 minutes before

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Local storm report, Jan 22, 8:54 PM EST, 1 hour 5 minutes before

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Special weather statement, Jan 22, 8:59 PM EST, 1 hour before

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Local storm report, Jan 22, 9:00 PM EST, 59 minutes before

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Local storm report, Jan 22, 9:09 PM EST, 50 minutes before

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Special weather statement, Jan 22, 9:59 PM EST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 22, 7:00 PM EST	Severe Thunderstorm Warning	MLB	Lake, Orange, Osceola, Seminole	60 min
Jan 22, 7:12 PM EST	Special Marine Warning	MLB		63 min
Jan 22, 7:19 PM EST	Tornado Warning	MLB	Orange, Seminole, Volusia	41 min
Jan 22, 7:26 PM EST	Severe Thunderstorm Warning	MLB	Lake, Orange, Volusia	64 min
Jan 22, 7:29 PM EST	Tornado Warning	MLB	Volusia	31 min
Jan 22, 7:51 PM EST	Tornado Warning	MLB	Brevard, Orange, Seminole, Volusia	39 min
Jan 22, 7:53 PM EST	Severe Thunderstorm Warning	MLB	Lake, Orange, Seminole, Volusia	37 min
Jan 22, 8:15 PM EST	Special Marine Warning	MLB		2 hr
Jan 22, 8:29 PM EST	Severe Thunderstorm Warning	MLB	Brevard, Orange, Seminole, Volusia	61 min
Jan 22, 8:36 PM EST	Special Weather Statement	MLB	Orange	54 min
Jan 22, 8:59 PM EST	Special Weather Statement	MLB	Brevard, Osceola	46 min
Jan 22, 9:10 PM EST	Severe Thunderstorm Warning	MLB	Brevard, Osceola	50 min
Jan 22, 9:28 PM EST	Tornado Warning	MLB	Brevard	32 min
Jan 22, 9:58 PM EST	Severe Thunderstorm Warning	MLB	Brevard, Osceola	47 min
Jan 22, 10:07 PM EST	Tornado Warning	MLB	Brevard	23 min
Jan 22, 10:14 PM EST	Special Marine Warning	MLB		3 hr
Jan 23, 12:21 AM EST	Special Weather Statement	MLB	Indian River, Saint Lucie	24 min
Jan 23, 12:40 AM EST	Special Weather Statement	MLB	Martin	35 min
Jan 23, 1:14 AM EST	Special Marine Warning	MLB		2 hr
Jan 23, 3:15 AM EST	Wind Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	15 hr

Nearby

Special Weather Statements in Florida, 2017 Every 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.