Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Jacksonville, FL
NWS Jacksonville, FL issued this special weather statement at Feb 14, 2021, 1:13 PM EST for Putnam County, Florida. It was in force for 47 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
- Feb 14, 2021, 1:13 PM EST (18:13 UTC)
- Expired
- Feb 14, 2021, 2:00 PM EST
- In force
- 47 min
- Issued by
- NWS Jacksonville, FL
County Putnam County, FL
The radar
The Jacksonville radar (KJAX), 110 km from the middle of the area, began a volume at 18:16 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 6.2 hours before the alert went out and 185 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
- 535 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 534 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
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 Feb 14, 12:40 PM EST, 33 minutes earlier.
Area forecast discussion, Feb 14, 12:40 PM EST, 33 minutes before
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</html>In the hours before
Special weather statement, Feb 14, 12:37 PM EST, 36 minutes before
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</html>Special weather statement, Feb 14, 1:13 PM EST, 0 minutes before
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</html>The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 4:56 AM EST | Special Marine Warning | JAX | 40 min | |
| Feb 14, 12:37 PM EST | Special Weather Statement | JAX | Alachua, Bradford, Gilchrist, Union | 53 min |
| Feb 14, 1:24 PM EST | Special Weather Statement | JAX | Alachua | 51 min |
| Feb 14, 1:43 PM EST | Severe Thunderstorm Warning | JAX | Clay, Putnam | 47 min |
| Feb 14, 1:48 PM EST | Tornado Warning | JAX | Clay, Putnam | 27 min |
| Feb 14, 2:13 PM EST | Tornado Warning | JAX | Putnam, Saint Johns | 32 min |
| Feb 14, 2:40 PM EST | Special Weather Statement | JAX | Putnam, Saint Johns | 65 min |
| Feb 14, 2:40 PM EST | Tornado Warning | JAX | Saint Johns | 35 min |
| Feb 14, 2:43 PM EST | Special Marine Warning | JAX | 62 min | |
| Feb 14, 2:44 PM EST | Special Marine Warning | JAX | 61 min | |
| Feb 14, 3:17 PM EST | Special Weather Statement | JAX | Flagler | 28 min |
| Feb 14, 3:21 PM EST | Areal Flood Warning | JAX | Clay, Flagler, Putnam, Saint Johns | 114 min |
| Feb 14, 3:41 PM EST | Special Marine Warning | JAX | 64 min | |
| Feb 14, 4:42 PM EST | Special Marine Warning | JAX | 48 min |
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.