Alert archive / Florida / Tornado Warnings in 1998

Tornado Warning 38, NWS Melbourne, FL

September 2, 1998Lake County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 2, 1998, 5:21 PM EDT for Lake County, Florida. It was in force for 64 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: Sep 2, 1998, 5:21 PM EDT (21:21 UTC)
Expired: Sep 2, 1998, 6:25 PM EDT
In force: 64 min
Issued by: NWS Melbourne, FL
Area: Whole counties

County Lake County, FL

The radar

The Melbourne radar (KMLB), 126 km from the middle of the area, began a volume at 21:20 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
Sep 2, 3:00 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 9.4 hours before the alert went out and 136 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: 207 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 1215 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

687 
WFUS01 KMLB 022123 RRA
TORMLB
FLC069-022225-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
521 PM EDT WED SEP 2 1998

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
     LAKE COUNTY IN EAST CENTRAL FLORIDA

* UNTIL 625 PM EDT

* AT 519 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES SOUTHWEST OF MASCOTTE...ALONG THE LAKE/SUMTER
  COUNTY LINE.  MOVEMENT WAS NORTH NORTHEAST AT 25 MPH .

* THIS THUNDERSTORM WILL MOVE NORTH NORTHEAST INTO LAKE COUNTY AND
  AFFECT AREAS WEST OF GROVELAND AND WILL MOVE INTO THE LEESBURG AREA
  BY 545 PM.

  AT 521 PM...A TV STATION HELICOPTER SHOWED A ROTATING WALL CLOUD
  WITH THIS STORM.


  THIS IS A DANGEROUS STORM. BE PREPARED FOR DAMAGING WIND IN EXCESS
 OF 58 MPH...LARGE HAIL AND DEADLY LIGHTNING. PEOPLE OUTSIDE OR IN
 MOBILE HOMES SHOULD MOVE INSIDE A STRONG BUILDING AND STAY AWAY FROM
 WINDOWS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 2, 6:06 PM EDT	Tornado Warning	MLB	Orange	64 min
Sep 2, 6:14 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	66 min
Sep 2, 6:18 PM EDT	Tornado Warning	MLB	Brevard	62 min
Sep 2, 6:48 PM EDT	Tornado Warning	MLB	Seminole	62 min
Sep 2, 7:20 PM EDT	Tornado Warning	MLB	Brevard, Volusia	60 min

Nearby

Tornado Warnings in Florida, 1998 Every tornado warning in 1998 Tornadoes 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.