Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 11, NWS Jacksonville, FL

March 30, 2011Flagler County, Putnam County, Saint Johns County, Florida

NWS Jacksonville, FL issued this tornado warning at Mar 30, 2011, 4:06 PM EDT for Flagler County, Putnam County, Saint Johns County, Florida. It was in force for 39 min. 8 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 30, 2011, 4:06 PM EDT (20:06 UTC)
Expired
Mar 30, 2011, 4:45 PM EDT
In force
39 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon

Counties Flagler County, FL, Putnam County, FL, Saint Johns County, FL

The radar

The Jacksonville radar (KJAX), 104 km from the middle of the area, began a volume at 20:10 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 was reported inside it

TimeReportWhereRemark
Mar 30, 4:30 PM EDTTSTM WND DMG4 Wsw St. Augustine Sou, FLTREES AND POWER LINES REPORTED DOWN AT HIGHWAY 207 AND INTERSTATE 95 AND CONTINUING EASTWARD TOWARD SAINT AUGUSTINE.
Mar 30, 4:38 PM EDTHAIL 12 W Palm Coast, FLQUARTER SIZE HAIL AND A FUNNEL CLOUD REPORTED AT BIRD OF PARADISE DRIVE AND BELLE TERRE PARKWAY.
Mar 30, 4:43 PM EDTTSTM WND DMGNe Palm Coast, FLSTRAIGHT LINE WINDS DAMAGED POOL SCREENS IN NORTHEAST PALM COAST. DIME SIZE HAIL WAS ALSO REPORTED.
Mar 30, 4:43 PM EDTTSTM WND GST 62Ne Palm Coast, FLA TRAINED SPOTTER MEASURED A WIND GUST OF 62 MPH IN NORTHEAST PALM COAST.
Mar 30, 4:44 PM EDTTSTM WND DMGPalm Coast, FLEMERGENCY MANAGEMENT REPORTED A TREE DOWN ON A HOUSE OFF RICHMOND DRIVE. POWER LINES WERE ALSO DOWN.
Mar 30, 4:45 PM EDTTSTM WND DMG4 Nnw Flagler Beach, FLSTRAIGHT LINE WINDS TORE A ROOF OFF A MOBILE HOME ON STARBOARD DRIVE IN BEVERLY BEACH.
Mar 30, 4:50 PM EDTTSTM WND DMGPalm Coast, FLA TREE FELL ON A HOME OFF RICHLAND LANE. NO INJURIES WERE REPORTED.
Mar 30, 4:55 PM EDTTSTM WND DMGPalm Coast, FLMULTIPLE TREES AND WIRES REPORTED DOWN IN THE LEHIGH WOODS SECTION OF PALM COAST.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 30, 11:10 AM EDTTornado WatchSPC8 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.1 hours before the alert went out and 106 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.

Skew-T log-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2011-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 559 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2011-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 222 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
559 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
569 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
222 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

226 
WFUS52 KJAX 302006
TORJAX
FLC035-107-109-302045-
/O.NEW.KJAX.TO.W.0011.110330T2006Z-110330T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
406 PM EDT WED MAR 30 2011

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN PUTNAM COUNTY IN NORTHEAST FLORIDA
  NORTHERN FLAGLER COUNTY IN NORTHEAST FLORIDA
  SOUTHERN ST. JOHNS COUNTY IN NORTHEAST FLORIDA

* UNTIL 445 PM EDT

* AT 405 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE   
  TRACKING SEVERAL SEVERE STORMS CAPABLE OF PRODUCING TORNADOES
  ALONG A LINE EXTENDING FROM PALATKA TO 10 MILES SOUTHWEST OF    
  SATSUMA...OR ALONG A LINE EXTENDING FROM PALATKA TO 6 MILES     
  NORTH OF SALT SPRINGS...MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EAST
  PALATKA...ORANGE MILLS...SAN MATEO...POMONA PARK...HASTINGS...
  CRESCENT CITY...ANDALUSIA...SAINT AUGUSTINE SOUTH...SAINT AUGUSTINE
  SHORES...SAINT AUGUSTINE BEACH...BUTLER BEACH...BUNNELL...CRESCENT
  BEACH...PALM COAST AND FLAGLER BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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

&&

LAT...LON 2940 8174 2969 8171 2989 8127 2978 8125
      2947 8110 2943 8111
TIME...MOT...LOC 2005Z 247DEG 35KT 2970 8161 2945 8168

$$

WOLF
3 follow-up statements
187 
WWUS52 KJAX 302023
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
423 PM EDT WED MAR 30 2011

FLC107-302032-
/O.CAN.KJAX.TO.W.0011.000000T0000Z-110330T2045Z/
PUTNAM FL-
423 PM EDT WED MAR 30 2011

...THE TORNADO WARNING FOR EASTERN PUTNAM COUNTY IS CANCELLED...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NORTHEASTERN FLORIDA.

LAT...LON 2943 8111 2942 8148 2947 8150 2949 8152
      2975 8152 2989 8127 2978 8125 2966 8118
      2958 8116 2956 8114 2947 8110
TIME...MOT...LOC 2022Z 247DEG 35KT 2976 8142 2948 8148

$$

FLC035-109-302045-
/O.CON.KJAX.TO.W.0011.000000T0000Z-110330T2045Z/
FLAGLER FL-ST. JOHNS FL-
423 PM EDT WED MAR 30 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR
SOUTHERN ST. JOHNS AND NORTHERN FLAGLER COUNTIES...

AT 422 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
TRACK A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES.
THE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM SPUDS TO 
ANDALUSIA...OR ALONG A LINE EXTENDING FROM HASTINGS TO 
ANDALUSIA...MOVING NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ANDALUSIA...SAINT AUGUSTINE SHORES...DUPONT CENTER...SAINT AUGUSTINE
SOUTH...BUTLER BEACH...SAINT AUGUSTINE BEACH...ESPANOLA...BUNNELL...
CRESCENT BEACH...PALM COAST AND FLAGLER BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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

&&

LAT...LON 2943 8111 2942 8148 2947 8150 2949 8152
      2975 8152 2989 8127 2978 8125 2966 8118
      2958 8116 2956 8114 2947 8110
TIME...MOT...LOC 2022Z 247DEG 35KT 2976 8142 2948 8148

$$

WOLF
373 
WWUS52 KJAX 302034
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
434 PM EDT WED MAR 30 2011

FLC035-109-302045-
/O.CON.KJAX.TO.W.0011.000000T0000Z-110330T2045Z/
FLAGLER FL-ST. JOHNS FL-
434 PM EDT WED MAR 30 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR
SOUTHERN ST. JOHNS AND NORTHERN FLAGLER COUNTIES...

AT 433 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED 
TO TRACK A LINE OF THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES.  
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM SAINT 
AUGUSTINE SHORES TO ESPANOLA...OR ALONG A LINE EXTENDING FROM SAINT 
AUGUSTINE BEACH TO 7 MILES NORTHEAST OF ANDALUSIA...MOVING NORTHEAST 
AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CRESCENT BEACH...PALM COAST AND FLAGLER BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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

&&

LAT...LON 2943 8111 2942 8148 2947 8148 2950 8146
      2978 8142 2989 8127 2978 8125 2966 8118
      2958 8116 2956 8114 2947 8110
TIME...MOT...LOC 2033Z 244DEG 40KT 2983 8127 2958 8130

$$

WOLF
784 
WWUS52 KJAX 302046 RRA
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
446 PM EDT WED MAR 30 2011

FLC035-109-302056-
/O.EXP.KJAX.TO.W.0011.000000T0000Z-110330T2045Z/
FLAGLER FL-ST. JOHNS FL-
446 PM EDT WED MAR 30 2011

...THE TORNADO WARNING FOR SOUTHEASTERN ST. JOHNS AND NORTHERN
FLAGLER COUNTIES HAS EXPIRED...

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. A TORNADO WARNING CONTINUES
FOR SOUTHERN FLAGLER COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NORTHEASTERN FLORIDA.

LAT...LON 2943 8111 2942 8148 2947 8148 2950 8146
      2978 8142 2989 8127 2978 8125 2966 8118
      2958 8116 2956 8114 2947 8110
TIME...MOT...LOC 2034Z 244DEG 40KT 2983 8126 2958 8129

$$

WOLF

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 2:17 PM EDTSpecial Marine WarningJAX118 min
Mar 30, 2:42 PM EDTSpecial Weather StatementJAXColumbia, Gilchrist63 min
Mar 30, 2:52 PM EDTTornado WarningJAXColumbia, Suwannee38 min
Mar 30, 3:23 PM EDTSpecial Weather StatementJAXAlachua, Marion52 min
Mar 30, 3:27 PM EDTTornado WarningJAXBaker, Columbia, Union48 min
Mar 30, 3:47 PM EDTTornado WarningJAXMarion58 min
Mar 30, 4:02 PM EDTSpecial Marine WarningJAX118 min
Mar 30, 4:06 PM EDTTornado WarningJAXBradford, Clay, Duval, Nassau, Saint Johns54 min
Mar 30, 4:15 PM EDTSpecial Marine WarningJAX2 hr
Mar 30, 4:37 PM EDTTornado WarningJAXFlagler23 min

Nearby

Tornado Warnings in Florida, 2011Every tornado warning in 2011Tornadoes in 2011

Sources

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.