Alert archive / Florida / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 42, NWS Tampa Bay, FL

May 18, 1994Hardee County, Highlands County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at May 18, 1994, 3:43 PM EDT for Hardee County, Highlands County, Florida. It was in force for 62 min.

The area

The counties it named.

The facts

Issued: May 18, 1994, 3:43 PM EDT (19:43 UTC)
Expired: May 18, 1994, 4:45 PM EDT
In force: 62 min
Issued by: NWS Tampa Bay, FL
Area: Whole counties

Counties Hardee County, FL, Highlands County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 7.7 hours before the alert went out and 87 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: 1963 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 711 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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.

In the hours before

Local storm report, May 18, 1:54 PM EDT, 1 hour 49 minutes before

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Local storm report, May 18, 1:54 PM EDT, 1 hour 49 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Special weather statement, May 18, 2:30 PM EDT, 1 hour 13 minutes before

FLZ039-042-043-048-049-050-051-052-055-056-057-060-061-062-065-
504-505-181930-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
230 PM EDT WED MAY 18 1994

   ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM TONIGHT
      FOR MUCH OF WEST CENTRAL AND SOUTHWEST FLORIDA...

AT 230 PM... SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER THE AREA
FROM TAMPA BAY EAST TO LAKE KISSIMMEE AND VERO BEACH...THEN SOUTH
OVER LAKE OKEECHOBEE TO THE NORTHERN EVERGLADES.

SOME SHOWER ACTIVITY WAS OVER THE GULF STRETCHING FROM 40 MILES
WEST OF THE MOUTH OF TAMPA BAY SOUTH TO THE COASTAL WATERS OFF VENICE.

MOVEMENT WAS SOUTHEAST AT 10 MILES AN HOUR.

Special weather statement, May 18, 2:31 PM EDT, 1 hour 12 minutes before

FLZ039-042-043-048-049-050-051-052-055-056-057-060-061-062-065-
504-505-181930-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
230 PM EDT WED MAY 18 1994

   ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM TONIGHT
      FOR MUCH OF WEST CENTRAL AND SOUTHWEST FLORIDA...

AT 230 PM... SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER THE AREA
FROM TAMPA BAY EAST TO LAKE KISSIMMEE AND VERO BEACH...THEN SOUTH
OVER LAKE OKEECHOBEE TO THE NORTHERN EVERGLADES.

SOME SHOWER ACTIVITY WAS OVER THE GULF STRETCHING FROM 40 MILES
WEST OF THE MOUTH OF TAMPA BAY SOUTH TO THE COASTAL WATERS OFF VENICE.

MOVEMENT WAS SOUTHEAST AT 10 MILES AN HOUR.

Special weather statement, May 18, 3:26 PM EDT, 17 minutes before

FLZ039-042-043-048-049-050-051-052-055-056-057-060-061-062-065-
504-505-182030-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
330 PM EDT WED MAY 18 1994

   ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM TONIGHT
      FOR MUCH OF WEST CENTRAL AND SOUTHWEST FLORIDA...

AT 330 PM... SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER THE AREA
FROM EASTERN HILLSBOROUGH COUNTY AND THE LAKELAND AREA SOUTHEAST TO
NEAR AVON PARK...THEN IN AND AROUND LAKE OKEECHOBEE.

MOVEMENT WAS SOUTHEASTERLY AT 10 TO 15 MILES AN HOUR.

Special weather statement, May 18, 3:30 PM EDT, 13 minutes before

FLZ039-042-043-048-049-050-051-052-055-056-057-060-061-062-065-
504-505-182030-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
330 PM EDT WED MAY 18 1994

   ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM TONIGHT
      FOR MUCH OF WEST CENTRAL AND SOUTHWEST FLORIDA...

AT 330 PM... SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER THE AREA
FROM EASTERN HILLSBOROUGH COUNTY AND THE LAKELAND AREA SOUTHEAST TO
NEAR AVON PARK...THEN IN AND AROUND LAKE OKEECHOBEE.

MOVEMENT WAS SOUTHEASTERLY AT 10 TO 15 MILES AN HOUR.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 9:53 AM EDT	Severe Thunderstorm Warning	TBW	Manatee, Sarasota	67 min
May 18, 12:55 PM EDT	Severe Thunderstorm Warning	TBW	Hillsborough	65 min
May 18, 4:17 PM EDT	Severe Thunderstorm Warning	TBW	Polk	58 min
May 18, 5:37 PM EDT	Tornado Warning	TBW	Polk	68 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.