Alert archive / Florida / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 59, NWS Tampa Bay, FL

March 1, 1998Manatee County, Sarasota County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Mar 1, 1998, 6:11 AM EST for Manatee County, Sarasota County, Florida. It was in force for 44 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: Mar 1, 1998, 6:11 AM EST (11:11 UTC)
Expired: Mar 1, 1998, 6:55 AM EST
In force: 44 min
Issued by: NWS Tampa Bay, FL
Area: Whole counties

Counties Manatee County, FL, Sarasota County, FL

The radar

The Tampa radar (KTBW), 42 km from the middle of the area, began a volume at 11:13 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
Mar 1, 3:15 AM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 11.2 hours before the alert went out and 42 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: 1852 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 516 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 3.9

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 Tampa Bay, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 1, 3:20 AM EST, 2 hours 51 minutes earlier.

Area forecast discussion, Mar 1, 3:20 AM EST, 2 hours 51 minutes before

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In the hours before

Special weather statement, Mar 1, 1:50 AM EST, 4 hours 21 minutes before

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Special weather statement, Mar 1, 1:50 AM EST, 4 hours 21 minutes before

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    <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.
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      <p id="message2">
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Special weather statement, Mar 1, 2:01 AM EST, 4 hours 10 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 8:24 PM EST	Severe Thunderstorm Warning	TBW	Pasco	51 min
Feb 28, 9:07 PM EST	Severe Thunderstorm Warning	TBW	Hernando	48 min
Feb 28, 9:14 PM EST	Severe Thunderstorm Warning	TBW	Pasco	46 min
Feb 28, 11:35 PM EST	Severe Thunderstorm Warning	TBW	Hillsborough	45 min
Mar 1, 12:28 AM EST	Severe Thunderstorm Warning	TBW	Hillsborough	47 min
Mar 1, 12:42 AM EST	Severe Thunderstorm Warning	TBW	Polk	63 min
Mar 1, 12:53 AM EST	Tornado Warning	TBW	Polk	47 min
Mar 1, 1:01 AM EST	Severe Thunderstorm Warning	TBW	Hardee	49 min
Mar 1, 3:49 AM EST	Severe Thunderstorm Warning	TBW	Citrus	31 min
Mar 1, 5:04 AM EST	Severe Thunderstorm Warning	TBW	Manatee, Sarasota	61 min
Mar 1, 5:29 AM EST	Tornado Warning	TBW	Manatee	31 min
Mar 1, 5:36 AM EST	Tornado Warning	TBW	Manatee, Sarasota	34 min
Mar 1, 7:12 AM EST	Severe Thunderstorm Warning	TBW	Charlotte	48 min
Mar 1, 8:23 AM EST	Severe Thunderstorm Warning	TBW	Lee	47 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.