Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Jacksonville, FL
NWS Jacksonville, FL issued this special weather statement at Jul 30, 2021, 5:56 PM EDT for Alachua County, Florida. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 30, 2021, 5:56 PM EDT (21:56 UTC)
- Expired
- Jul 30, 2021, 6:45 PM EDT
- In force
- 49 min
- Issued by
- NWS Jacksonville, FL
County Alachua County, FL
The radar
The Jacksonville radar (KJAX), 92 km from the middle of the area, began a volume at 21:59 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.9 hours before the alert went out and 208 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.
- Mixed-layer CAPE
- 1599 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 903 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jacksonville, FL wrote its last area forecast discussion before this special weather statement went out at Jul 30, 3:07 PM EDT, 2 hours 49 minutes earlier.
Area forecast discussion, Jul 30, 3:07 PM EDT, 2 hours 49 minutes before
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<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.
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</html>In the hours before
Special weather statement, Jul 30, 5:56 PM EDT, 0 minutes before
Special Weather Statement National Weather Service Jacksonville FL 556 PM EDT Fri Jul 30 2021 FLZ031-136-302245- Eastern Alachua FL-Bradford FL- 556 PM EDT Fri Jul 30 2021 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN BRADFORD AND NORTHEASTERN ALACHUA COUNTIES UNTIL 645 PM EDT... * At 556 PM EDT, National Weather Service meteorologists were tracking a cluster of thunderstorms extending from 7 miles south of Sampson to Gainesville Airport. These storms were nearly stationary. * Minor flooding due to heavy rainfall is possible with these storms. * Locations impacted include... Gainesville, Orange Heights, Gainesville Airport, Newnans Lake, Waldo, Hampton and Brooker. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is occurring with these storms, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. To report severe weather, contact your nearest law enforcement agency. You can also share your report with NWS Jacksonville on Facebook and Twitter. && LAT...LON 2992 8234 2966 8237 2964 8211 2990 8207 TIME...MOT...LOC 2156Z 123DEG 2KT 2981 8223 2970 8225 CHANEY
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 8:34 PM EDT | Heat Advisory | JAX | Baker, Duval, Nassau, Suwannee | 22 hr |
Nearby
Special Weather Statements in Florida, 2021Every special weather statement 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.