Alert archive / Florida / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 3, NWS Melbourne, FL

January 8, 1998Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jan 8, 1998, 8:57 AM EST for Brevard County, Florida. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 8, 1998, 8:57 AM EST (13:57 UTC)
Expired: Jan 8, 1998, 9:55 AM EST
In force: 58 min
Issued by: NWS Melbourne, FL
Area: Whole counties

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 21 km from the middle of the area, began a volume at 13:59 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 8, 2:30 AM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 2.0 hours before the alert went out and 27 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: 1549 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 719 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 267 m²/s²
0-3 km storm-relative helicity: 251 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 11.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMLB 081357 RRA
SVRMLB
FLC009-081455-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
857 AM EST THU JAN 8 1998

THE NATIONAL WEATHER SERVICE IN MELBOURNE FL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 955 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN EAST CENTRAL FLORIDA

   ...BREVARD COUNTY
 
AT 855 AM...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM FROM
KENANSVILLE TO YEEHAW JUNCTION IN OSCEOLA COUNTY MOVING RAPIDLY
NORTHEAST AT 40 MPH. THIS STORM WILL MOVE ACROSS HIGHWAY 192 IN
SOUTHERN BREVARD COUNTY AND REACH THE COAST BETWEEN COCOA BEACH AND
PALM BAY BY 925 AM. DAMAGING WIND GUSTS ABOVE 58 MPH ARE EXPECTED
WITH THIS STORM.

OTHER STRONG THUNDERSTORMS WILL MOVE ACROSS THE REMAINDER OF BREVARD
COUNTY AND MAY ALSO INTENSIFY TO SEVERE LIMITS. RESIDENTS SHOULD
TAKE SHELTER NOW. 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE READY TO GO
TO A SAFE PLACE IF SEVERE THUNDERSTORMS MOVE TOWARD YOUR AREA,
ESPECIALLY IF YOU LIVE IN A MOBILE HOME.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 8, 5:06 AM EST	Severe Thunderstorm Warning	MLB	Lake	54 min
Jan 8, 8:37 AM EST	Severe Thunderstorm Warning	MLB	Osceola	48 min
Jan 8, 10:57 AM EST	Severe Thunderstorm Warning	MLB	Brevard	63 min

Nearby

Severe Thunderstorm Warnings in Florida, 1998 Every severe thunderstorm warning in 1998

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.