Severe Thunderstorm Warning 252, NWS Jacksonville, FL

Issued

Aug 12, 2011, 5:46 PM EDT (21:46 UTC)

Expired

Aug 12, 2011, 6:11 PM EDT

In force

25 min

Issued by

NWS Jacksonville, FL

Area

Storm-based polygon

Counties Duval County, FL, Nassau County, FL

The Jacksonville radar (KJAX), 16 km from the middle of the area, began a volume at 21:48 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

810 
WUUS52 KJAX 122146
SVRJAX
FLC031-089-122230-
/O.NEW.KJAX.SV.W.0252.110812T2146Z-110812T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
546 PM EDT FRI AUG 12 2011

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME NORTHERN DUVAL COUNTY IN NORTHEAST FLORIDA
  CENTRAL NASSAU COUNTY IN NORTHEAST FLORIDA

* UNTIL 630 PM EDT

* AT 544 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING       
  QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST  
  OF CALLAHAN TO 7 MILES SOUTHWEST OF ST. MARYS...AND MOVING SOUTH   
  AT 5 MPH.

* THE LINE OF SEVERE THUNDERSTORMS WILL IMPACT AREAS BETWEEN YULEE AND
  CALLAHAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

&&

LAT...LON 3070 8181 3069 8158 3052 8158 3054 8182
TIME...MOT...LOC 2144Z 000DEG 2KT 3065 8178 3063 8163

$$

ZAPPE

894 
WWUS52 KJAX 122211
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
611 PM EDT FRI AUG 12 2011

FLC031-089-122220-
/O.CAN.KJAX.SV.W.0252.000000T0000Z-110812T2230Z/
DUVAL FL-NASSAU FL-
611 PM EDT FRI AUG 12 2011

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL NASSAU AND EXTREME
NORTHERN DUVAL COUNTIES IS CANCELLED...

ALTHOUGH THE WARNING IS NO LONGER IN EFFECT...HAIL UP TO THREE
QUARTER INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND
GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR
DAMAGE.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

LAT...LON 3070 8181 3069 8158 3052 8158 3054 8182
TIME...MOT...LOC 2210Z 000DEG 2KT 3064 8178 3062 8163

$$

ZAPPE

Severe Thunderstorm Warnings in Florida, 2011Every severe thunderstorm warning in 2011

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.