Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Jacksonville, FL
NWS Jacksonville, FL issued this special weather statement at Apr 24, 2021, 3:21 PM EDT for Duval County, Florida. It was in force for 24 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
- Apr 24, 2021, 3:21 PM EDT (19:21 UTC)
- Expired
- Apr 24, 2021, 3:45 PM EDT
- In force
- 24 min
- Issued by
- NWS Jacksonville, FL
County Duval County, FL
The radar
The Jacksonville radar (KJAX), 22 km from the middle of the area, began a volume at 19:20 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 12:00Z, 7.4 hours before the alert went out and 23 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 984 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 276 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
074 WWUS82 KJAX 241921 SPSJAX Special Weather Statement National Weather Service Jacksonville FL 321 PM EDT Sat Apr 24 2021 FLZ023-024-124-125-132-225-232-325-425-GAZ364-241945- Eastern Clay FL-Baker FL-Western Clay FL-Western Duval FL- South Central Duval FL-Inland Nassau FL-Trout River FL- Coastal Nassau FL-Coastal Duval FL-Western Charlton GA- 321 PM EDT Sat Apr 24 2021 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL NASSAU...EAST CENTRAL BAKER...NORTHWESTERN CLAY...DUVAL AND SOUTH CENTRAL CHARLTON COUNTIES UNTIL 345 PM EDT... * At 320 PM EDT, National Weather Service meteorologists were tracking strong thunderstorms along a line extending from near Fernandina Beach to near Bryceville. Movement was east at 45 mph. * Winds in excess of 45 mph possible with these showers. * Locations impacted include... Jacksonville, Fernandina Beach, Jacksonville International Arpt, Unf, Arlington, Neptune Beach, Macclenny, Cisco Gardens, Ortega and Oakleaf Plantation. PRECAUTIONARY/PREPAREDNESS ACTIONS... To report severe weather, contact your nearest law enforcement agency. You can also share your report with NWS Jacksonville on Facebook and Twitter. && A Tornado Watch remains in effect until 600 PM EDT for northeastern Florida...and southeastern Georgia. LAT...LON 3008 8200 3036 8221 3068 8141 3033 8136 TIME...MOT...LOC 1920Z 288DEG 40KT 3065 8139 3040 8198 $$ BOOTHE
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 1:37 PM EDT | Special Marine Warning | JAX | 113 min | |
| Apr 24, 2:36 PM EDT | Tornado Warning | JAX | Hamilton | 24 min |
| Apr 24, 2:56 PM EDT | Severe Thunderstorm Warning | JAX | Columbia, Hamilton | 49 min |
| Apr 24, 3:03 PM EDT | Tornado Warning | JAX | Columbia, Hamilton | 27 min |
| Apr 24, 3:14 PM EDT | Severe Thunderstorm Warning | JAX | Columbia, Hamilton | 46 min |
| Apr 24, 3:25 PM EDT | Special Marine Warning | JAX | 79 min | |
| Apr 24, 3:30 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Columbia | 45 min |
| Apr 24, 3:40 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Columbia, Hamilton | 35 min |
| Apr 24, 3:57 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Nassau | 48 min |
| Apr 24, 4:10 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Columbia, Nassau | 28 min |
| Apr 24, 4:18 PM EDT | Severe Thunderstorm Warning | JAX | Duval, Nassau | 42 min |
| Apr 24, 4:44 PM EDT | Special Marine Warning | JAX | 46 min | |
| Apr 24, 5:10 PM EDT | Special Marine Warning | JAX | 35 min | |
| Apr 24, 5:20 PM EDT | Special Weather Statement | JAX | Duval | 25 min |
| Apr 24, 5:31 PM EDT | Special Marine Warning | JAX | 59 min | |
| Apr 24, 6:11 PM EDT | Special Marine Warning | JAX | 64 min | |
| Apr 24, 10:57 AM EDT | Severe Thunderstorm Warning | JAX | Atkinson, Clinch | 48 min |
| Apr 24, 11:15 AM EDT | Severe Thunderstorm Warning | JAX | Coffee | 45 min |
| Apr 24, 11:35 AM EDT | Severe Thunderstorm Warning | JAX | Bacon, Ware | 40 min |
| Apr 24, 11:54 AM EDT | Severe Thunderstorm Warning | JAX | Atkinson | 21 min |
| Apr 24, 12:04 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Brantley, Pierce, Wayne | 41 min |
| Apr 24, 12:08 PM EDT | Tornado Warning | JAX | Bacon | 22 min |
| Apr 24, 12:18 PM EDT | Severe Thunderstorm Warning | JAX | Atkinson, Bacon, Clinch, Pierce, Ware | 31 min |
| Apr 24, 12:36 PM EDT | Severe Thunderstorm Warning | JAX | Wayne | 24 min |
| Apr 24, 12:40 PM EDT | Special Weather Statement | JAX | Clinch | 50 min |
| Apr 24, 12:47 PM EDT | Special Weather Statement | JAX | Clinch, Pierce, Ware, Wayne | 28 min |
| Apr 24, 1:20 PM EDT | Special Weather Statement | JAX | Brantley, Clinch, Ware | 25 min |
| Apr 24, 1:46 PM EDT | Severe Thunderstorm Warning | JAX | Clinch, Echols | 44 min |
| Apr 24, 1:50 PM EDT | Special Weather Statement | JAX | Camden, Charlton, Glynn | 40 min |
| Apr 24, 2:15 PM EDT | Severe Thunderstorm Warning | JAX | Glynn | 15 min |
| Apr 24, 2:32 PM EDT | Severe Thunderstorm Warning | JAX | Clinch, Echols | 43 min |
| Apr 24, 3:48 PM EDT | Special Weather Statement | JAX | Camden | 27 min |
| Apr 24, 5:40 PM EDT | Special Weather Statement | JAX | Coffee, Jeff Davis | 35 min |
| Apr 24, 6:18 PM EDT | Special Weather Statement | JAX | Appling, Bacon, Coffee, Jeff Davis, Wayne | 87 min |
| Apr 24, 6:39 PM EDT | Severe Thunderstorm Warning | JAX | Atkinson, Coffee | 36 min |
| Apr 24, 7:12 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Atkinson, Bacon, Coffee, Pierce, Ware | 33 min |
| Apr 24, 7:40 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Bacon, Brantley, Pierce, Ware, Wayne | 35 min |
| Apr 24, 7:57 PM EDT | Special Weather Statement | JAX | Coffee, Jeff Davis | 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.