Alert archive / Georgia / Excessive Heat Warnings in 2012

Excessive Heat Warning 4, NWS Jacksonville, FL

July 2, 201211 counties in Georgia

NWS Jacksonville, FL issued this excessive heat warning at Jul 2, 2012, 3:57 AM EDT for 11 counties in Georgia. It took effect at Jul 2, 2012, 12:00 PM EDT. It was in force for 115 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, 2012, 3:57 AM EDT (07:57 UTC)
In effect from: Jul 2, 2012, 12:00 PM EDT
Expired: Jul 2, 2012, 1:55 PM EDT
In force: 115 min
Issued by: NWS Jacksonville, FL

Counties Appling County, GA, Atkinson County, GA, Bacon County, GA, Brantley County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Glynn County, GA, Jeff Davis County, GA, Pierce County, GA, Wayne County, GA

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 8.0 hours before the alert went out and 116 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4879 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1081 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -36 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this excessive heat 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 excessive heat warning went out at Jul 1, 8:01 PM EDT, 7 hours 56 minutes earlier.

Area forecast discussion, Jul 1, 8:01 PM EDT, 7 hours 56 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
801 PM EDT SUN JUL 1 2012

.UPDATE...THUNDERSTORMS OVER CENTRAL GA ARE DROPPING SOUTH INTO SE
GA THIS EVENING. STRONG GUSTY WINDS AND FREQUENT LIGHTNING WILL
OCCUR OVER ALTAMAHA RIVER AREA BEFORE WEAKENING OCCURS. WILL UP
POPS OVER SE GA THIS EVENING. ANTOHER EXCESSIVE HEAT WATCH IN
EFFECT FOR SE GA MONDAY.

&&

.AVIATION...MOSTLY VFR THROUGH MONDAY. HAVE VCTS AT SSI FOR THIS
EVENING AS CONVECTION MAY COME CLOSE.

&&

.MARINE...SW WINDS NEAR 15 KNOTS WITH SEAS 2 TO 3 FEET TO
CONTINUE.

RIP CURRENTS: LOW RISK

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  76  97  76  96 /  20  20  20  20
SSI  80  91  78  96 /  20  20  20  20
JAX  75  97  75  96 /  10  20  10  10
SGJ  75  94  75  93 /  10  10  10  10
GNV  72  93  72  93 /  10  10  10  10
OCF  72  94  72  93 /  10  10  10  20

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.

GA...EXCESSIVE HEAT WATCH FROM MONDAY AFTERNOON THROUGH MONDAY
     EVENING FOR APPLING-ATKINSON-BACON-BRANTLEY-COASTAL GLYNN-
     COFFEE-INLAND GLYNN-JEFF DAVIS-PIERCE-WAYNE.

AM...NONE.

&&

ZIBURA/NELSON

Hazardous weather outlook, Jul 1, 8:05 PM EDT, 7 hours 52 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
805 PM EDT SUN JUL 1 2012

AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-
GAZ132>136-149>154-162>166-030015-
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL OUT 20 NM-
FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20 NM-
ST AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL 20 NM TO 60 NM OFFSHORE-
FERNANDINA BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM OFFSHORE-
ST AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE-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-
805 PM EDT SUN JUL 1 2012

THIS OUTLOOK IS FOR NORTHEAST FLORIDA...SOUTHEAST GEORGIA AND THE
ADJACENT COASTAL WATERS.

...SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT FOR SOUTHEAST
GEORGIA...

...RIVER FLOOD WARNINGS FOR THE ST. MARYS RIVER...SUWANNEE RIVER AND
SANTA FE RIVER...

...EXCESSIVE HEAT WATCH FOR NORTHERN PORTIONS OF SOUTHEAST GEORGIA
MONDAY AFTERNOON...

...HOT AND HUMID CONDITIONS CONTINUE THROUGH EARLY IN THE WEEK...

.DAY ONE...TONIGHT...

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST
GEORGIA. A SQUALL LINE OF THUNDERSTORMS WILL MOVE SOUTHWARD INTO
PORTIONS OF SOUTHEAST GEORGIA THIS EVENING. THE PRIMARY THREATS
WITH THIS ACTIVITY WILL BE DAMAGING WIND GUSTS AND EXCESSIVE
LIGHTNING STRIKES.

HISTORIC RIVER FLOODING IS ONGOING ALONG THE ALONG THE ST. MARYS
RIVER IN PORTIONS OF BAKER...NASSAU...CAMDEN...AND CHARLTON COUNTIES.

MAJOR FLOODING IS CURRENTLY ONGOING ALONG THE SUWANNEE RIVER IN
PORTIONS OF COLUMBIA AND HAMILTON COUNTIES.

MAJOR FLOODING IS FORECAST ALONG THE SANTA FE RIVERS IN PORTIONS OF
ALACHUA...BRADFORD...COLUMBIA...GILCHRIST...SUWANNEE...AND UNION
COUNTIES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

HOT AND HUMID CONDITIONS WITH HIGH TEMPERATURES REACHING 95 TO 100
DEGREES WILL CONTINUE MONDAY. HEAT INDICES WILL APPROACH THE 108
TO 115 DEGREE RANGE. AN EXCESSIVE HEAT WATCH IS IN EFFECT MONDAY
AFTERNOON FOR NORTHERN PORTIONS OF SOUTHEAST GEORGIA. HEAT
ADVISORIES MAY BE REQUIRED FOR OTHER LOCATIONS.

ISOLATED TO SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS
WILL BE POSSIBLE THROUGHOUT THE WEEK.

.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.

NELSON

In the hours before

Special weather statement, Jul 2, 12:09 AM EDT, 3 hours 48 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Jul 2, 12:17 AM EDT, 3 hours 40 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jul 2, 12:18 AM EDT, 3 hours 39 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jul 2, 12:40 AM EDT, 3 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1240 AM EDT MON JUL 02 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1030 PM     TSTM WND DMG     BRUNSWICK               31.14N 81.47W
07/01/2012                   GLYNN              GA   911 CALL CENTER

            THE GLYNN COUNTY 911 DISPATCH REPORTS MULTIPLE TREES AND
            POWERLINES DOWN IN SEVERAL LOCATIONS THROUGHOUT THE
            COUNTY. TIME OF DAMAGE BASED ON RADAR DATA.

1110 PM     TSTM WND DMG     ST. MARYS               30.71N 81.54W
07/01/2012                   CAMDEN             GA   911 CALL CENTER

            CAMDEN COUNTY 911 DISPATCH REPORTS AT LEAST 8-10 TREES
            DOWN THROUGHOUT THE COUNTY...ALONG WITH 4-5 BLOWN
            TRANSFORMERS. POWER IS CURRENTLY OUT IN DOWNTOWN ST.
            MARYS.TIME OF DAMAGE BASED ON RADAR DATA.

&&

NELSON

Local storm report, Jul 2, 12:56 AM EDT, 3 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1256 AM EDT MON JUL 02 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1212 AM     TSTM WND GST     1 NW MAYPORT            30.40N 81.43W
07/02/2012  M41 MPH          DUVAL              FL   BUOY

            THE NATIONAL OCEAN SERVICE BUOY AT THE MAYPORT BAR PILOTS
            DOCK MEASURED A PEAK WIND GUST OF 41 MPH FROM THE
            NORTH-NORTHEAST AS A THUNDERSTORM OUTFLOW BOUNDARY MOVED
            SOUTHWARD ACROSS THE COASTAL WATERS.

&&

NELSON

Special weather statement, Jul 2, 1:10 AM EDT, 2 hours 47 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
110 AM EDT MON JUL 2 2012

FLZ021-022-035-036-020600-
ALACHUA-COLUMBIA-GILCHRIST-SUWANNEE-
110 AM EDT MON JUL 2 2012

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR WESTERN
ALACHUA...SOUTHERN COLUMBIA...GILCHRIST AND SOUTHERN SUWANNEE
COUNTIES FOR STRONG WINDS VALID UNTIL 200 AM EDT...

AT 110 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORM WINDS CENTERED ALONG A LINE EXTENDING FROM 5
MILES SOUTHEAST OF LURAVILLE TO 4 MILES NORTH OF LA CROSSE...MOVING
SOUTH AT 25 MPH. THESE THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND
MCALPIN...LURAVILLE...COLUMBIA...OBRIEN...OLENO STATE
PARK...ICHETUCKNEE SPRINGS STATE PARK...LA CROSSE...HILDRETH...FORT
WHITE AND BRANFORD THROUGH 200 AM EDT. GUSTY WINDS OF 45 TO 55 MPH
CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND DAMAGE.

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

LAT...LON 3014 8272 3006 8253 3003 8253 2999 8258
      2997 8256 2992 8241 2988 8238 2987 8231
      2950 8229 2968 8296 2982 8294 2984 8290
      2988 8288 2989 8292 2995 8293 3008 8308
      3010 8320 3020 8321
TIME...MOT...LOC 0510Z 353DEG 20KT 3008 8310 2990 8240

TRABERT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 10:19 PM EDT	Special Marine Warning	JAX		86 min
Jul 1, 10:59 PM EDT	Severe Thunderstorm Warning	JAX	Baker, Duval, Nassau	46 min
Jul 1, 11:19 PM EDT	Special Marine Warning	JAX		116 min
Jul 1, 11:43 PM EDT	Special Weather Statement	JAX	Baker, Duval, Nassau	32 min
Jul 2, 12:09 AM EDT	Special Weather Statement	JAX	Baker, Bradford, Clay, Duval, Saint Johns, Union	66 min
Jul 2, 12:17 AM EDT	Special Weather Statement	JAX	Columbia, Suwannee	58 min
Jul 2, 1:08 AM EDT	Special Marine Warning	JAX		2 hr
Jul 2, 1:10 AM EDT	Special Weather Statement	JAX	Alachua, Gilchrist	50 min
Jul 2, 3:57 AM EDT	Heat Advisory	JAX	Baker, Nassau	10 hr
Jul 2, 2:33 PM EDT	Special Weather Statement	JAX	Marion	42 min
Jul 2, 4:21 PM EDT	Special Weather Statement	JAX	Marion	24 min
Jul 2, 4:54 PM EDT	Special Weather Statement	JAX	Marion	51 min
Jul 2, 5:02 PM EDT	Severe Thunderstorm Warning	JAX	Marion, Putnam	43 min
Jul 2, 5:22 PM EDT	Special Weather Statement	JAX	Flagler	53 min
Jul 2, 5:35 PM EDT	Severe Thunderstorm Warning	JAX	Flagler, Putnam	40 min
Jul 2, 5:38 PM EDT	Special Weather Statement	JAX	Putnam	52 min
Jul 2, 5:50 PM EDT	Special Weather Statement	JAX	Alachua	40 min
Jul 2, 6:05 PM EDT	Severe Thunderstorm Warning	JAX	Putnam	40 min
Jul 2, 6:15 PM EDT	Special Weather Statement	JAX	Clay	45 min
Jul 2, 6:22 PM EDT	Special Weather Statement	JAX	Marion	53 min
Jul 2, 6:39 PM EDT	Severe Thunderstorm Warning	JAX	Marion	29 min
Jul 2, 6:45 PM EDT	Areal Flood Advisory	JAX	Marion	60 min
Jul 2, 6:48 PM EDT	Severe Thunderstorm Warning	JAX	Alachua, Bradford, Clay, Putnam	42 min
Jul 2, 6:56 PM EDT	Special Weather Statement	JAX	Marion	49 min
Jul 2, 7:10 PM EDT	Areal Flood Advisory	JAX	Clay, Putnam	65 min
Jul 1, 8:34 PM EDT	Special Weather Statement	JAX	Appling, Jeff Davis	41 min
Jul 1, 8:47 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Coffee, Jeff Davis	43 min
Jul 1, 9:30 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Coffee, Jeff Davis, Wayne	45 min
Jul 1, 9:52 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Atkinson, Bacon, Brantley, Coffee, Pierce and 2 more	38 min
Jul 1, 10:23 PM EDT	Severe Thunderstorm Warning	JAX	Brantley, Camden, Glynn, Wayne	52 min
Jul 1, 10:36 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Clinch, Ware	39 min
Jul 1, 10:43 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Brantley, Charlton, Pierce, Ware, Wayne	28 min
Jul 1, 11:02 PM EDT	Special Weather Statement	JAX	Clinch, Echols	58 min
Jul 1, 11:17 PM EDT	Special Weather Statement	JAX	Camden, Glynn	28 min

Nearby

Excessive Heat Warnings in Georgia, 2012 Every excessive heat warning in 2012

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.