Alert archive / Florida / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 88, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 2, 2019, 5:11 PM EDT for Clay County, Duval County, Florida. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 2, 2019, 5:11 PM EDT (21:11 UTC)
- Expired
- Jul 2, 2019, 5:45 PM EDT
- In force
- 34 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clay County, FL, Duval County, FL
The radar
The Jacksonville radar (KJAX), 37 km from the middle of the area, began a volume at 21:11 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, 9.2 hours before the alert went out and 246 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
- 1053 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1269 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 2, 9:39 AM EDT, 7 hours 32 minutes earlier.
Area forecast discussion, Jul 2, 9:39 AM EDT, 7 hours 32 minutes before
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</html>In the hours before
Special weather statement, Jul 2, 2:23 PM EDT, 2 hours 48 minutes before
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</html>Special weather statement, Jul 2, 5:03 PM EDT, 8 minutes before
Special Weather Statement National Weather Service Jacksonville FL 503 PM EDT Tue Jul 2 2019 FLZ025-125-022130- Inland Duval FL-Coastal Duval FL- 503 PM EDT Tue Jul 2 2019 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL DUVAL COUNTY UNTIL 530 PM EDT... * At 502 PM EDT, National Weather Service meteorologists were tracking a strong thunderstorm over Ortega, or near Jacksonville, moving south at 5 mph. * Small hail and winds in excess of 45 mph possible with this storm. * Locations impacted include... Jacksonville, Nas Jax, Ortega, Normandy, Riverside, San Marco and Jacksonville Heights. 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. 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 3019 8161 3019 8182 3035 8177 3036 8164 TIME...MOT...LOC 2102Z 351DEG 5KT 3029 8170 MCGINNIS
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 2:23 PM EDT | Special Weather Statement | JAX | Putnam | 22 min |
| Jul 2, 3:16 PM EDT | Heat Advisory | JAX | Alachua, Baker, Bradford, Duval, Flagler, Gilchrist and 4 more | 27 hr |
| Jul 2, 5:03 PM EDT | Special Weather Statement | JAX | Duval | 27 min |
| Jul 2, 5:33 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Saint Johns | 20 min |
| Jul 2, 5:37 PM EDT | Areal Flood Advisory | JAX | Alachua | 83 min |
| Jul 2, 6:32 PM EDT | Areal Flood Advisory | JAX | Alachua, Bradford, Union | 118 min |
| Jul 2, 7:12 PM EDT | Areal Flood Advisory | JAX | Alachua | 93 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2019Every severe thunderstorm warning in 2019
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.