Alert archive / Florida / Tropical Storm Watches in 2021

Tropical Storm Watch 1005, NWS Melbourne, FL

July 5, 2021Lake County, Florida

NWS Melbourne, FL issued this tropical storm watch at Jul 5, 2021, 4:50 AM EDT for Lake County, Florida. It was in force for 54 hr.

The area

The counties it named.

The facts

Issued: Jul 5, 2021, 4:50 AM EDT (08:50 UTC)
Expired: Jul 7, 2021, 11:10 AM EDT
In force: 54 hr
Issued by: NWS Melbourne, FL

County Lake County, FL

The radar

The Melbourne radar (KMLB), 126 km from the middle of the area, began a volume at 08:50 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 nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 8.8 hours before the alert went out and 193 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: 1215 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 597 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: -21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tropical storm watch 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 tropical storm watch went out at Jul 4, 9:47 PM EDT, 7 hours 3 minutes earlier.

Area forecast discussion, Jul 4, 9:47 PM EDT, 7 hours 3 minutes before

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Hazardous weather outlook, Jul 4, 8:34 PM EDT, 8 hours 16 minutes before

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<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>
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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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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 2:45 PM EDT	Special Weather Statement	MLB	Okeechobee	30 min
Jul 5, 3:03 PM EDT	Special Weather Statement	MLB	Osceola	27 min
Jul 5, 3:31 PM EDT	Special Weather Statement	MLB	Osceola	29 min
Jul 5, 3:49 PM EDT	Special Weather Statement	MLB	Osceola	26 min
Jul 5, 4:59 PM EDT	Special Weather Statement	MLB	Orange	31 min
Jul 5, 5:15 PM EDT	Special Marine Warning	MLB		90 min
Jul 5, 5:21 PM EDT	Special Weather Statement	MLB	Martin, Okeechobee, Saint Lucie	54 min
Jul 5, 5:28 PM EDT	Special Weather Statement	MLB	Orange	32 min
Jul 5, 6:09 PM EDT	Special Weather Statement	MLB	Indian River, Martin, Okeechobee, Saint Lucie	66 min
Jul 5, 6:28 PM EDT	Special Marine Warning	MLB		62 min
Jul 5, 6:56 PM EDT	Special Weather Statement	MLB	Brevard, Indian River, Osceola	64 min
Jul 5, 7:24 PM EDT	Special Marine Warning	MLB		2 hr

Nearby

Tropical Storm Watches in Florida, 2021 Every tropical storm watch in 2021

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.