Alert archive / Florida / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 220, NWS Jacksonville, FL

July 29, 2009Baker County, Duval County, Nassau County, Florida; Charlton County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 29, 2009, 4:53 PM EDT for Baker County, Duval County, Nassau County, Florida; Charlton County, Georgia. It was in force for 31 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 29, 2009, 4:53 PM EDT (20:53 UTC)
Expired
Jul 29, 2009, 5:24 PM EDT
In force
31 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon

Counties Baker County, FL, Duval County, FL, Nassau County, FL, Charlton County, GA

The radar

The Jacksonville radar (KJAX), 25 km from the middle of the area, began a volume at 20:55 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.

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 29, 2:30 PM EDT, 2 hours 23 minutes earlier.

Area forecast discussion, Jul 29, 2:30 PM EDT, 2 hours 23 minutes before
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Hazardous weather outlook, Jul 29, 5:53 AM EDT, 11 hours before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
553 AM EDT WED JUL 29 2009

FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-301000-
HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY-
ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-COFFEE-
JEFF DAVIS-BACON-APPLING-WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY-
INLAND GLYNN-COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN-
COASTAL CAMDEN-
553 AM EDT WED JUL 29 2009

THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.

.DAY ONE...TODAY AND TONIGHT...

...NUMEROUS THUNDERSTORMS EXPECTED DURING THE AFTERNOON AND EVENING...

AN UPPER LEVEL DISTURBANCE APPROACHING FROM THE WEST WILL ENHANCE
DEVELOPMENT OF NUMEROUS THUNDERSTORMS ACROSS THE AREA TODAY.
ISOLATED STRONG TO SEVERE STORMS WILL PRODUCE DAMAGING WIND GUSTS
AND HAIL. IN ADDITION THESE STORMS WILL BE CAPABLE OF PRODUCING
LOCALLY HEAVY RAINFALL AND CONTINUOUS CLOUD TO GROUND LIGHTNING.
LOCALIZED FLOODING IS POSSIBLE ESPECIALLY OVER NORTHEAST FLORIDA
WHERE THE STORM MOTIONS WILL BE SLOW.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

SCATTERED TO NUMEROUS THUNDERSTORMS ARE FORECAST EACH DAY WITH A
FEW STRONG THUNDERSTORMS POSSIBLE IN THE AFTERNOON AND EARLY
EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT REQUESTED AT THIS TIME.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX.

In the hours before

Special weather statement, Jul 29, 4:16 PM EDT, 37 minutes before
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Special weather statement, Jul 29, 4:23 PM EDT, 30 minutes before
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Local storm report, Jul 29, 4:43 PM EDT, 10 minutes before
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Special weather statement, Jul 29, 4:45 PM EDT, 8 minutes before
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Special weather statement, Jul 29, 4:48 PM EDT, 5 minutes before
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Special weather statement, Jul 29, 4:49 PM EDT, 4 minutes before
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The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 9:35 PM EDTSpecial Weather StatementJAXFlagler40 min
Jul 29, 1:18 PM EDTSpecial Weather StatementJAXAlachua42 min
Jul 29, 1:48 PM EDTSpecial Marine WarningJAX87 min
Jul 29, 2:01 PM EDTSpecial Weather StatementJAXBradford44 min
Jul 29, 2:11 PM EDTSpecial Weather StatementJAXClay49 min
Jul 29, 2:14 PM EDTSpecial Marine WarningJAX2 hr
Jul 29, 2:21 PM EDTSpecial Weather StatementJAXAlachua39 min
Jul 29, 2:39 PM EDTSpecial Weather StatementJAXClay51 min
Jul 29, 2:41 PM EDTSpecial Weather StatementJAXDuval49 min
Jul 29, 3:16 PM EDTSpecial Marine WarningJAX59 min
Jul 29, 3:36 PM EDTSpecial Weather StatementJAXSaint Johns39 min
Jul 29, 4:13 PM EDTSpecial Marine WarningJAX62 min
Jul 29, 4:16 PM EDTSpecial Weather StatementJAXSaint Johns29 min
Jul 29, 4:23 PM EDTSpecial Weather StatementJAXMarion52 min
Jul 29, 4:45 PM EDTSpecial Weather StatementJAXSaint Johns45 min
Jul 29, 4:48 PM EDTSpecial Weather StatementJAXNassau42 min
Jul 29, 5:03 PM EDTSpecial Weather StatementJAXNassau42 min
Jul 29, 5:06 PM EDTSevere Thunderstorm WarningJAXFlagler, Saint Johns39 min
Jul 29, 5:09 PM EDTSpecial Weather StatementJAXMarion66 min
Jul 29, 5:33 PM EDTSpecial Marine WarningJAX117 min
Jul 29, 5:41 PM EDTSpecial Weather StatementJAXFlagler49 min
Jul 29, 6:00 PM EDTSevere Thunderstorm WarningJAXFlagler45 min
Jul 29, 6:06 PM EDTSpecial Weather StatementJAXBaker39 min
Jul 29, 6:12 PM EDTAreal Flood AdvisoryJAXFlagler2 hr
Jul 29, 6:46 PM EDTSpecial Weather StatementJAXFlagler44 min
Jul 29, 7:36 PM EDTSpecial Marine WarningJAX84 min
Jul 28, 8:21 PM EDTSpecial Weather StatementJAXWayne24 min
Jul 28, 8:44 PM EDTSpecial Weather StatementJAXWayne31 min
Jul 29, 4:49 PM EDTSpecial Weather StatementJAXClinch56 min
Jul 29, 4:58 PM EDTSpecial Weather StatementJAXPierce47 min
Jul 29, 5:02 PM EDTSpecial Weather StatementJAXEchols58 min
Jul 29, 5:39 PM EDTSpecial Weather StatementJAXCharlton, Ware66 min
Jul 29, 6:34 PM EDTSevere Thunderstorm WarningJAXCharlton31 min
Jul 29, 6:41 PM EDTSpecial Weather StatementJAXCamden64 min
Jul 29, 7:01 PM EDTSpecial Weather StatementJAXBrantley, Glynn44 min

Nearby

Severe Thunderstorm Warnings in Florida, 2009Severe Thunderstorm Warnings in Georgia, 2009Every severe thunderstorm warning in 2009

Sources

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