Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Jacksonville, FL
NWS Jacksonville, FL issued this special weather statement at Aug 22, 2021, 3:09 PM EDT for Bradford County, Clay County, Union County, Florida. It was in force for 51 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
- Aug 22, 2021, 3:09 PM EDT (19:09 UTC)
- Expired
- Aug 22, 2021, 4:00 PM EDT
- In force
- 51 min
- Issued by
- NWS Jacksonville, FL
- Hail
- 0.00 in
- Wind
- 50
Counties Bradford County, FL, Clay County, FL, Union County, FL
The radar
The Jacksonville radar (KJAX), 57 km from the middle of the area, began a volume at 19:08 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, 7.2 hours before the alert went out and 58 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
- 772 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 61 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 Aug 22, 1:38 PM EDT, 1 hour 31 minutes earlier.
Area forecast discussion, Aug 22, 1:38 PM EDT, 1 hour 31 minutes before
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Special weather statement, Aug 22, 1:46 PM EDT, 1 hour 23 minutes before
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</html>Special weather statement, Aug 22, 1:56 PM EDT, 1 hour 13 minutes before
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</html>Special weather statement, Aug 22, 2:28 PM EDT, 41 minutes before
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</html>Special weather statement, Aug 22, 3:04 PM EDT, 5 minutes before
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</html>Special weather statement, Aug 22, 3:09 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
309 PM EDT Sun Aug 22 2021
FLZ023-024-030-031-136-222-232-236-237-425-222000-
Eastern Alachua FL-Southern Columbia FL-Western Alachua FL-Baker FL-
Western Clay FL-Union FL-Western Duval FL-Western Putnam FL-
Inland Nassau FL-Bradford FL-
309 PM EDT Sun Aug 22 2021
...Strong thunderstorms will impact portions of southwestern Nassau,
Bradford, northern Alachua, southern Baker, northwestern Putnam,
Union, southeastern Columbia, western Clay and southwestern Duval
Counties through 400 PM EDT...
At 309 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Olustee to near Alachua. Movement was east at
20 mph.
HAZARD...Wind gusts up to 50 mph, excessive cloud-to-ground
lightning, and minor flooding due to heavy rainfall.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Excessive cloud-to-ground lightning is
occurring. Minor flooding due to heavy rainfall is
possible.
Locations impacted include...
Starke, Lake Butler, Keystone Heights, Raiford, Melrose, Worthington
Spring, Middleburg, Alachua, Macclenny and Glen St. Mary.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3022 8248 3036 8209 3036 8206 3038 8204
3045 8184 2968 8185 2972 8258
TIME...MOT...LOC 1909Z 265DEG 17KT 3020 8245 2977 8253
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
HESSThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 1:14 PM EDT | Special Weather Statement | JAX | Suwannee | 46 min |
| Aug 22, 1:32 PM EDT | Special Weather Statement | JAX | Baker | 43 min |
| Aug 22, 1:46 PM EDT | Special Weather Statement | JAX | Columbia, Suwannee | 44 min |
| Aug 22, 2:22 PM EDT | Special Weather Statement | JAX | Hamilton | 53 min |
| Aug 22, 2:28 PM EDT | Special Weather Statement | JAX | Baker, Columbia, Gilchrist, Union | 47 min |
| Aug 22, 3:47 PM EDT | Special Weather Statement | JAX | Flagler | 28 min |
| Aug 22, 3:51 PM EDT | Special Weather Statement | JAX | Clay, Duval, Saint Johns | 39 min |
| Aug 22, 4:11 PM EDT | Special Marine Warning | JAX | 94 min | |
| Aug 22, 4:16 PM EDT | Special Weather Statement | JAX | Flagler | 29 min |
| Aug 22, 4:27 PM EDT | Special Weather Statement | JAX | Duval, Saint Johns | 48 min |
| Aug 22, 4:34 PM EDT | Special Weather Statement | JAX | Putnam | 26 min |
| Aug 22, 4:38 PM EDT | Special Weather Statement | JAX | Flagler | 37 min |
| Aug 22, 4:45 PM EDT | Severe Thunderstorm Warning | JAX | Duval | 20 min |
| Aug 22, 5:34 PM EDT | Special Marine Warning | JAX | 86 min | |
| Aug 22, 1:56 PM EDT | Special Weather Statement | JAX | Clinch | 34 min |
| Aug 22, 3:04 PM EDT | Special Weather Statement | JAX | Clinch, Echols | 41 min |
| Aug 22, 3:40 PM EDT | Special Weather Statement | JAX | Jeff Davis | 35 min |
| Aug 22, 3:57 PM EDT | Special Weather Statement | JAX | Brantley, Camden, Glynn, Wayne | 48 min |
| Aug 22, 4:14 PM EDT | Special Weather Statement | JAX | Appling, Bacon, Coffee, Jeff Davis | 46 min |
| Aug 22, 4:46 PM EDT | Special Weather Statement | JAX | Glynn, Wayne | 29 min |
| Aug 22, 5:01 PM EDT | Special Weather Statement | JAX | Appling, Bacon, Wayne | 44 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.