Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Jacksonville, FL
NWS Jacksonville, FL issued this special weather statement at Jun 29, 2021, 1:12 PM EDT for Marion County, Florida. It was in force for 48 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
- Jun 29, 2021, 1:12 PM EDT (17:12 UTC)
- Expired
- Jun 29, 2021, 2:00 PM EDT
- In force
- 48 min
- Issued by
- NWS Jacksonville, FL
County Marion County, FL
The radar
The Tampa radar (KTBW), 151 km from the middle of the area, began a volume at 17:16 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
Tampa Bay, FL (KTBW), launched 12:00Z, 5.2 hours before the alert went out and 151 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
- 1021 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -50 m²/s²
- 0-3 km storm-relative helicity
- -20 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 Jun 29, 9:51 AM EDT, 3 hours 21 minutes earlier.
Area forecast discussion, Jun 29, 9:51 AM EDT, 3 hours 21 minutes before
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</html>In the hours before
Special weather statement, Jun 29, 1:08 PM EDT, 4 minutes before
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>Special weather statement, Jun 29, 1:12 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
112 PM EDT Tue Jun 29 2021
FLZ136-236-291800-
Eastern Alachua FL-Western Alachua FL-
112 PM EDT Tue Jun 29 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ALACHUA COUNTY UNTIL
200 PM EDT...
* At 112 PM EDT, National Weather Service meteorologists were
tracking a strong thunderstorm near University Of Florida, or near
Gainesville, moving northwest at 15 mph.
* Winds in excess of 45 mph and minor flooding due to heavy rainfall
is possible with this storm.
* Locations impacted include...
Alachua, High Springs and Newberry.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.
Torrential rainfall is occurring with this storm, 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 2973 8266 2987 8253 2964 8236 2961 8232
2954 8235 2956 8241 2961 8266
TIME...MOT...LOC 1712Z 121DEG 14KT 2961 8240
AKSpecial weather statement, Jun 29, 1:12 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
112 PM EDT Tue Jun 29 2021
FLZ240-340-291800-
Central Marion FL-Western Marion FL-
112 PM EDT Tue Jun 29 2021
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MARION COUNTY UNTIL
200 PM EDT...
* At 110 PM EDT, National Weather Service meteorologists were
tracking a strong thunderstorm 9 miles southwest of Santos, or 11
miles northwest of Wildwood, moving northwest at 15 mph.
* Winds in excess of 45 mph and minor flooding due to heavy rainfall
is possible with this storm.
* Locations impacted include...
Rainbow Lakes Estates, Dunnellon and Romeo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.
Torrential rainfall is occurring with this storm, 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 2897 8232 2902 8240 2902 8242 2905 8247
2904 8250 2904 8254 2921 8254 2922 8240
2925 8240 2896 8201 2896 8231
TIME...MOT...LOC 1710Z 121DEG 14KT 2898 8217
AKThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 1:08 PM EDT | Special Weather Statement | JAX | Union | 52 min |
| Jun 29, 1:12 PM EDT | Special Weather Statement | JAX | Alachua | 48 min |
| Jun 29, 1:33 PM EDT | Special Weather Statement | JAX | Alachua | 27 min |
| Jun 29, 1:53 PM EDT | Special Weather Statement | JAX | Alachua | 37 min |
| Jun 29, 1:55 PM EDT | Special Weather Statement | JAX | Baker | 35 min |
| Jun 29, 2:15 PM EDT | Special Weather Statement | JAX | Gilchrist | 45 min |
| Jun 29, 2:36 PM EDT | Special Weather Statement | JAX | Gilchrist | 39 min |
| Jun 29, 3:19 PM EDT | Special Weather Statement | JAX | Hamilton | 41 min |
| Jun 29, 3:24 PM EDT | Special Weather Statement | JAX | Suwannee | 51 min |
| Jun 29, 2:13 PM EDT | Special Weather Statement | JAX | Clinch | 47 min |
| Jun 29, 2:49 PM EDT | Special Weather Statement | JAX | Echols | 41 min |
| Jun 29, 4:41 PM EDT | Special Weather Statement | JAX | Atkinson | 49 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.