Alert archive / Florida / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 41, NWS Tampa Bay, FL

March 13, 1993Charlotte County, DeSoto County, Lee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Mar 13, 1993, 12:23 AM EST for Charlotte County, DeSoto County, Lee County, Florida. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Mar 13, 1993, 12:23 AM EST (05:23 UTC)
Expired: Mar 13, 1993, 2:30 AM EST
In force: 2 hr
Issued by: NWS Tampa Bay, FL
Area: Whole counties

Counties Charlotte County, FL, DeSoto County, FL, Lee County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 5.4 hours before the alert went out and 103 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: 645 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1480 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.5

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, Mar 13, 12:00 AM EST, 23 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
1159 PM EST FRI MAR 12 1993

DATE   TIME       LOCATION/EVENT
3/12   2354 EST   PINELLAS COUNTY, PINELLAS PARK
                  WIND GUST TO 67 M6PH REPORTED BY SKYWARN SPOTTER.

       2357 EST   PINELLAS COUNTY, ST. PETERSBURG
                  MEASURED WIND GUST TO 75 MPH.
                  REPORTED BY SKYWARN SPOTTER.

Local storm report, Mar 13, 12:09 AM EST, 14 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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Mar 13, 12:10 AM EST, 13 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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Mar 13, 12:11 AM EST, 12 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
1211 AM EST SAT MAR 13 1993

DATE   TIME       LOCATION/EVENT
3/13   0011 EST   HILLSBOROUGH COUNTY, TAMPA
                  MEASURED WIND GUST TOR 85 MPH.
                  REPORTED BY WTVT-TV METEOROLOGIST.

Local storm report, Mar 13, 12:17 AM EST, 6 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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Mar 13, 12:23 AM EST, 0 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
1219 AM EST SAT MAR 13 1993

DATE   TIME       LOCATION/EVENT
3/13   0014 EST   HILLSBOROUGH COUNTY, PORT OF TAMPA
                  WIND GUST TO 65 KNOTS REPORTED BY NOS PORTS

3/13   0009 EST   HILLSBOURGH COUNTY, TAMPA
                  WIND GUST MEASUERED TO 95 MPH.
                  REPORTED BY WTVT-TV METEOROLOGIST

3/13   0000 EST   SARASOTA COUNTY, SARASOTA
                  WIND GUST TO 66 MPH REPORTED AT SARASOTA EOC.
       0020 EST   WIND GUST TO 59 MPH REPORTED AT SARSOTA EOC.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 10:50 PM EST	Severe Thunderstorm Warning	TBW	Citrus, Hernando, Levy	115 min
Mar 12, 10:50 PM EST	Severe Thunderstorm Warning	TBW	Hillsborough, Pasco, Pinellas	115 min
Mar 12, 10:50 PM EST	Severe Thunderstorm Warning	TBW	Manatee	115 min
Mar 12, 11:22 PM EST	Severe Thunderstorm Warning	TBW	Sarasota	101 min
Mar 12, 11:38 PM EST	Tornado Warning	TBW	Pasco, Pinellas	37 min
Mar 12, 11:54 PM EST	Severe Thunderstorm Warning	TBW	Sumter	61 min
Mar 12, 11:54 PM EST	Severe Thunderstorm Warning	TBW	Polk	2 hr
Mar 13, 12:08 AM EST	Tornado Warning	TBW	Hillsborough	52 min
Mar 13, 12:23 AM EST	Severe Thunderstorm Warning	TBW	Hardee	2 hr
Mar 13, 12:43 AM EST	Tornado Warning	TBW	Manatee	47 min
Mar 13, 1:34 AM EST	Severe Thunderstorm Warning	TBW	Highlands	116 min
Mar 13, 1:37 AM EST	Severe Thunderstorm Warning	TBW	Sarasota	2 hr
Mar 13, 1:52 AM EST	Severe Thunderstorm Warning	TBW	Polk	2 hr
Mar 13, 2:31 AM EST	Severe Thunderstorm Warning	TBW	Charlotte, DeSoto, Lee	119 min
Mar 13, 3:30 AM EST	Severe Thunderstorm Warning	TBW	Highlands	60 min
Mar 13, 3:56 AM EST	Tornado Warning	TBW	Sarasota	34 min

Nearby

Severe Thunderstorm Warnings in Florida, 1993 Every severe thunderstorm warning in 1993

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.