Alert archive / Florida / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 122, NWS Melbourne, FL

October 30, 1994Marion County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Oct 30, 1994, 11:35 AM EST for Marion County, Florida. It was in force for 55 min.

The area

The counties it named.

The facts

Issued: Oct 30, 1994, 11:35 AM EST (16:35 UTC)
Expired: Oct 30, 1994, 12:30 PM EST
In force: 55 min
Issued by: NWS Melbourne, FL
Area: Whole counties

County Marion County, FL

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 4.6 hours before the alert went out and 148 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: 360 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 651 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Oct 30, 9:30 AM EST, 2 hours 5 minutes earlier.

Area forecast discussion, Oct 30, 9:30 AM EST, 2 hours 5 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
930 AM EST SUN OCT 30 1994

88D SHOWING LNE OF STRONG STORMS MOVING ACROSS N FL ATTM. ONLY MINOR
CHANGES TO FCST AS SAO'S SHOWING MSTLY PC SKIES EXCEPT CENTRAL
INTERIOR SECTIONS DUE TO FOG. SINCE TROUGH STILL TO WEST AND THE FACT
THAT IT WILL BE MOVING THRU DURING PRIME HEATING WOULD NOT BE
SURPRISED TO SEE MORE STRONG STORMS ACROSS AREA THIS AFTERNOON (THIS
IS ESPECIALLY TRUE DUE TO THE FACT WE SHOULD SEE MORE SFC HEATING THEN
WE RECEIVED YDAY) AND WILL MENTION IN UPDATE.

@1...VOLUSIA LAKE ORANGE SEMINOLE OSCEOLA
@2...BREVARD INDIAN RIVER ST LUCIE MARTIN OKEECHOBEE

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In the hours before

Special weather statement, Oct 30, 6:00 AM EST, 5 hours 35 minutes before

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Special weather statement, Oct 30, 6:04 AM EST, 5 hours 31 minutes before

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<body>
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    <section class="card" role="status" aria-live="polite">
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, Oct 30, 11:05 AM EST, 30 minutes before

FLZ041-044>047-053-054-058-059-064-501-301830-

EAST CENTRAL FLORIDA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
1105 AM EST SUN OCT 30 1994

...NUMEROUS THUNDERSTORMS EXPECTED ACROSS EAST CENTRAL FLORIDA WITH
SOME STORMS POSSIBLY SEVERE NORTH OF A MELBOURNE TO FORT MYERS
LINE...

DOPPLER RADARS LATE THIS MORNING INDICATED A FAIRLY STRONG LINE OF
THUNDERSTORMS STRETCHING FROM JACKSONVILLE TO GAINESVILLE TO CRYSTAL
RIVER AND THEN INTO THE GULF OF MEXICO. THIS LINE OF STORMS WAS
ASSOCIATED WITH A UPPER LEVEL STORM SYSTEM MOVING NORTHEASTWARD OUT OF
THE NORTHEAST GULF OF MEXICO. THIS LINE OF STORMS IS EXPECTED TO MOVE
EAST AND MOVE ACROSS EAST CENTRAL FLORIDA THIS AFTERNOON.

SINCE ABUNDANT MOISTURE AND AN UNSTABLE ATMOSPHERE REMAINS OVER THE
REGION...SOME OF THE THUNDERSTORMS COULD BE STRONG WITH A FEW STORMS
BECOMING SEVERE. THE GREATEST CHANCE FOR SEVERE STORMS WILL BE NORTH
OF A LINE FROM MELBOURNE TO FORT MYERS.

RESIDENTS OF EAST CENTRAL FLORIDA SHOULD BE ALERT TO RAPIDLY CHANGING
WEATHER CONDITIONS. STORM SPOTTERS AND HAM RADIO OPERATORS ARE
REQUESTED TO RELAY ANY REPORTS OF SIGNIFICANT WEATHER TO THE NATIONAL
WEATHER SERVICE.

HODANISH

Special weather statement, Oct 30, 11:18 AM EST, 17 minutes before

FLZ041-044>047-053-054-058-059-064-501-301830-

EAST CENTRAL FLORIDA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
1105 AM EST SUN OCT 30 1994

...NUMEROUS THUNDERSTORMS EXPECTED ACROSS EAST CENTRAL FLORIDA WITH
SOME STORMS POSSIBLY SEVERE NORTH OF A MELBOURNE TO FORT MYERS
LINE...

DOPPLER RADARS LATE THIS MORNING INDICATED A FAIRLY STRONG LINE OF
THUNDERSTORMS STRETCHING FROM JACKSONVILLE TO GAINESVILLE TO CRYSTAL
RIVER AND THEN INTO THE GULF OF MEXICO. THIS LINE OF STORMS WAS
ASSOCIATED WITH A UPPER LEVEL STORM SYSTEM MOVING NORTHEASTWARD OUT OF
THE NORTHEAST GULF OF MEXICO. THIS LINE OF STORMS IS EXPECTED TO MOVE
EAST AND MOVE ACROSS EAST CENTRAL FLORIDA THIS AFTERNOON.

SINCE ABUNDANT MOISTURE AND AN UNSTABLE ATMOSPHERE REMAINS OVER THE
REGION...SOME OF THE THUNDERSTORMS COULD BE STRONG WITH A FEW STORMS
BECOMING SEVERE. THE GREATEST CHANCE FOR SEVERE STORMS WILL BE NORTH
OF A LINE FROM MELBOURNE TO FORT MYERS.

RRESIDENTS OF EAST CENTRAL FLORIDA SHOULD BE ALERT TO RAPIDLY CHANGING
WEATHER CONDITIONS. STORM SPOTTERS AND HAM RADIO OPERATORS ARE
REQUESTED TO RELAY ANY REPORTS OF SIGNIFICANT WEATHER TO THE NATIONAL
WEATHER SERVICE.

HODANISH

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 30, 11:43 AM EST	Tornado Warning	MLB	Marion	32 min
Oct 30, 12:25 PM EST	Severe Thunderstorm Warning	MLB	Flagler	65 min
Oct 30, 12:28 PM EST	Severe Thunderstorm Warning	MLB	Marion	62 min
Oct 30, 1:06 PM EST	Tornado Warning	MLB	Marion	69 min
Oct 30, 1:35 PM EST	Tornado Warning	MLB	Flagler	55 min
Oct 30, 1:43 PM EST	Severe Thunderstorm Warning	MLB	Lake, Volusia	62 min
Oct 30, 2:06 PM EST	Tornado Warning	MLB	Lake	50 min
Oct 30, 2:23 PM EST	Severe Thunderstorm Warning	MLB	Seminole, Volusia	67 min
Oct 30, 2:28 PM EST	Severe Thunderstorm Warning	MLB	Flagler	62 min
Oct 30, 5:02 PM EST	Severe Thunderstorm Warning	MLB	Saint Lucie	43 min

Nearby

Severe Thunderstorm Warnings in Florida, 1994 Every severe thunderstorm warning in 1994

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.