Alert archive / Florida / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 28, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at May 5, 2007, 4:48 PM EDT for Marion County, Florida. It was in force for 41 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
- May 5, 2007, 4:48 PM EDT (20:48 UTC)
- Expired
- May 5, 2007, 5:29 PM EDT
- In force
- 41 min
- Issued by
- NWS Jacksonville, FL
- Area
- Counties, with a storm outline in the text
County Marion County, FL
The radar
The Jacksonville radar (KJAX), 146 km from the middle of the area, began a volume at 20:49 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
Jacksonville, FL (KJAX), launched 12:00Z, 8.8 hours before the alert went out and 148 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
- 1288 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.2
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 May 5, 2:45 PM EDT, 2 hours 3 minutes earlier.
Area forecast discussion, May 5, 2:45 PM EDT, 2 hours 3 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
245 PM EDT SAT MAY 5 2007
...GOOD CHANCE OF RAIN ON SUNDAY...
...WINDY CONDITIONS SUNDAY NIGHT AND MONDAY...
.SHORT TERM...TONIGHT THROUGH MONDAY NIGHT...
REST OF THIS AFTERNOON...POP-UP SHOWERS AND TSTMS WILL CONTINUE TO
DEVELOP AS SBRZS PRESS SLOWLY INLD. BEST COVERAGE STILL EXPECTED TO
END UP ALONG THE I-75 CORRIDOR.
TONIGHT...BEST CHANCES OF SCTD SHOWERS/TSTMS WILL CONTINUE DURING
THE EVENING HOURS ACRS INLD SERN GA WHERE SBRZS FROM BOTH COASTS
WILL EVENTUALLY MEET. OTHERWISE SOME LINGERING ISOLD SHOWERS AFTER
MIDNIGHT THEN AREAS OF SMOKE AND FOG TOWARD MORNING BUT NOT EXPECTED
TO BE MORE THAN PATCHY DENSE AT TIMES.
SUNDAY...TRANSITION DAY AS BEST CHANCE OF SHOWERS WILL BE IN THE
MORNING HOURS ACRS SERN GA THEN TRANSITION DOWN ACRS NERN FL DURING
THE AFTERNOON AS BACK DOOR COLD FRONT MAKES PUSH ACRS THE REGION.
VERY SHARP INCREASE IN WINDS WILL BE NOTED LATER IN THE DAY OUT OF
THE NE AT 15-20 MPH BEHIND THE BACK DOOR FRONT.
SUNDAY NIGHT...HIGH PRESSURE WILL NOSE QUICKLY DOWN THE SERN
SEABOARD INTO THE FORECAST AREA REDUCING THE SHOWER/TSTM ACTIVITY TO
ISOLD COASTAL SHOWERS BY AFTER MIDNIGHT. NE WINDS WILL INCREASE
RAPIDLY ALONG THE I-95 CORRIDOR AND WIND ADVISORIES WILL NEED TO BE
POSTED LATE SUNDAY AFTERNOON THAT WILL LAST THROUGH THE NIGHT AND
INTO MONDAY MORNING. ALONG THE COAST SUSTAINED WINDS WILL BE IN THE
25 TO 35 MPH RANGE WITH GUSTS TO 40 MPH AT TIMES AND WILL BE WEAKER
AS YOU PRESS INLAND. REFER TO LATEST COASTAL HAZARD MESSAGE (CFWJAX)
FOR DETAILS ON SURF AND RIP CURRENT RISK ALONG THE COAST.
MONDAY AND MONDAY NIGHT...NAM/GFS DIFFER IN THEIR SOLUTIONS AS HIGH
PRESSURE SETTLES OVER THE CAROLINAS AND CUT-OFF SFC LOW DEVELOPS
UNDER THE 500MB CUT OFF LOW AND DEEPENS. THE DEPTH AND POSITION OF
THIS SFC LOW WILL SET-UP OUR LOCAL WEATHER AND HOW MUCH WIND AND/OR
COASTAL SHOWER ACTIVITY WE GET. WITH EITHER MODEL SOLUTION IT WILL
BE CONTINUED WINDY ALONG THE I-95 CORRIDOR AND BREEZY WELL INLAND.
MAX TEMPS WILL BE 10 TO 15 DEGS COOLER THAN SUNDAY AND THE BREAKERS
WILL BE CLOSE TO 8-10 FT IN THE SURF ZONE WITH MINOR TO MODERATE
BEACH EROSION POSSIBLE.
.LONG TERM...TUESDAY THROUGH SATURDAY...
MOST OF THE WEEK WILL FEATURE SLOW WEAKENING OF STRONG N/NELY FLOW
OVER THE REGION AS SFC HIGH OVER THE SERN U.S. WEAKENS AND WHATEVER
SFC LOW DEVELOPS WELL OFF THE COAST WILL PULL AWAY. SHOULD BE MAINLY
DRY AND WINDY TUE/WED WITH SLOWLY MODERATING TEMPS THROUGH THE WEEK
WITH 70S ON TUESDAY AND WARMING QUICKLY INTO THE 80S ONCE AGAIN BY
THE END OF THE WEEK.
&&
.AVIATION...WILL SEE SCATTERED SHOWERS/THUNDERSTORMS IN THE VICINITY
OF ALL TAF SITES UNTIL AROUND 02Z THIS EVE DUE TO SEA BREEZE
COLLISION. EXPECTING TEMPO IFR CONDITIONS BETWEEN 08 AND 12Z DUE TO
MAINLY LOW CEILINGS FROM STRATUS.
&&
.MARINE...GRADIENT TIGHTENS AS STRONG SURFACE HIGH BUILDS SOUTH DOWN
THE EASTERN SEABOARD AND DEEP LOW DEVELOPS WELL OFFSHORE. THE NAM
APPEARS TOO DEEP AND TOO FAR WEST WITH THE LOW AND HAVE TAKEN A
BLEND OF ALL GUIDANCE INCLUDING PREVIOUS FORECAST. HAVE GONE WITH A
SMALL CRAFT ADVISORY FOR THE NEAR SHORE AND GALE WARNING FOR THE
OFFSHORE BEGINNING SUNDAY EVE.
&&
.FIRE WEATHER...NO HEADLINES FOR NOW. DEPENDING ON HOW DEEP LOW
DEVELOPS OFFSHORE AND HOW MUCH DRY AIR PLUNGES INTO THE AREA ...MAY
POSSIBLY SEE RED FLAGS FOR THE INLAND AREAS MONDAY. WILL HOLD OFF ON
WATCHES/RED FLAGS FOR NOW UNTIL MORE CONSISTENCY.
&&
.PRELIMINARY POINT TEMPS/POPS...
AMG 64 83 52 76 / 50 40 0 0
SSI 69 78 56 70 / 20 40 20 0
JAX 66 83 56 73 / 20 50 20 10
SGJ 68 83 62 73 / 20 40 20 20
GNV 65 87 57 76 / 20 50 20 0
OCF 65 87 59 77 / 20 60 20 0
&&
.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...GALE WARNING FROM 4 PM SUNDAY TO 8 AM EDT TUESDAY FOR 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.
SMALL CRAFT ADVISORY FROM 4 PM SUNDAY TO 8 AM EDT TUESDAY FOR
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.
&&
HESS/PETERSON/KERNSHazardous weather outlook, May 5, 5:10 AM EDT, 11 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 510 AM EDT SAT MAY 5 2007 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-060915- 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- 510 AM EDT SAT MAY 5 2007 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT... ...WILDFIRES CONTINUE ACROSS SOUTHEAST GEORGIA AND FLAGLER COUNTY FLORIDA... ...ISOLATED STRONG OR SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT ACROSS SOUTHEAST GEORGIA AND INTERIOR NORTHEAST FLORIDA... AREAS OF SMOKE WILL CONTINUE TODAY AND TONIGHT ACROSS NORTHEAST FLORIDA AND SOUTHEAST GEORGIA...WITH SHARPLY REDUCED VISIBILITIES IN DENSE SMOKE NEAR THE WILDFIRES. A WEAK DISTURBANCE ALOFT WILL HELP PRODUCE SCATTERED THUNDERSTORMS THIS AFTERNOON AND EVENING OVER INTERIOR PORTIONS OF SOUTHEAST GEORGIA AND NORTHEAST FLORIDA. A FEW THUNDERSTORMS MAY BECOME STRONG OR SEVERE...AND PRODUCE HAIL OR STRONG WINDS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... INCREASING WINDS AND DRIER AIR WILL PROMOTE DANGEROUS FIRE CONDITIONS THROUGH MUCH OF NEXT WEEK. INCREASING COASTAL WINDS AND SEAS WILL PRODUCE AN ELEVATED RISK OF RIP CURRENTS...ALONG WITH THE POTENTIAL FOR MINOR COASTAL FLOODING AND BEACH EROSION...FROM SUNDAY NIGHT INTO THE WORKWEEK. A GALE WARNING MAY BE REQUIRED FOR COASTAL WATERS SUNDAY NIGHT. .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 WWW.SRH.NOAA.GOV/JAX.
In the hours before
Special weather statement, May 5, 10:59 AM EDT, 5 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 1059 AM EDT SAT MAY 5 2007 GAZ150>152-163-164-052100- BRANTLEY-CHARLTON-CLINCH-PIERCE-WARE- 1059 AM EDT SAT MAY 5 2007 ...AREAS OF HEAVY SMOKE WILL CONTINUE ACROSS INLAND SOUTHEAST GEORGIA IN THE WAYCROSS VICINITY... EARLY MORNING VISIBLE SATELLITE IMAGERY AND REPORTS FROM WARE COUNTY SHOWS THE SMOKE PLUME FROM THE WARE/CHARLTON COUNTY WILDFIRE DRIFTING TOWARDS THE NORTHWEST ACROSS WARE AND NORTHERN CLINCH COUNTIES. DENSE SMOKE WILL BE LIKELY ALONG U.S. HIGHWAY 84 BETWEEN HOMERVILLE AND WAYCROSS AND ALONG STATE ROAD 122 FROM WAYCROSS TO COGDELL WITH VISIBILITIES LESS THAN A QUARTER OF A MILE AT TIMES. AREAS OF SMOKE WITH 1 TO 3 MILE VISIBILITIES IS LIKELY TO PUSH BACK INTO THE WAYCROSS METRO AREA LATER THIS AFTERNOON AS THE SMOKE PLUME WILL SHIFT TO A MORE DIRECT NORTHWARD TRACK WITH HEAVY SMOKE ALONG THE U.S. HIGHWAY 1 CORRIDOR FROM WAYCROSS TO FOLKSTON. COUNTY OFFICIALS ARE REQUESTING THAT YOU PLEASE DO NOT CALL 9 1 1 TO REPORT A FIRE UNLESS YOU CAN ACTUALLY SEE FLAMES. PERSONS WHO HAVE RESPIRATORY AILMENTS THAT CAN BE TRIGGERED BY SMOKE SHOULD CONSIDER STAYING INDOORS. MOTORISTS SHOULD ALSO BE ALERT FOR SUDDEN CHANGES IN VISIBILITY. HESS
Special weather statement, May 5, 3:47 PM EDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 347 PM EDT SAT MAY 5 2007 FLZ040-052030- MARION- 347 PM EDT SAT MAY 5 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR SOUTHEAST MARION COUNTY FOR STRONG WINDS AND SMALL HAIL VALID UNTIL 430 AM EDT... AT 345 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER THE SOUTHERN OCALA NATIONAL FOREST EAST OF WEIRSDALE MOVING SLOWLY SOUTH AROUND 5 KNOTS. THIS STRONG THUNDERSTORM WILL AFFECT AREAS SOUTH OF MOSS BLUFF AND EAST OF OCKLAWAHA...TOWARD WIERSDALE AND THE SOUTHERN OCALA NATIONAL FOREST. GUSTY WINDS OF 35 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. SMALL SMALL UP TO A HALF INCH IN DIAMETER WILL ALSO BE POSSIBLE. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL WEATHER SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594. ENYEDI
Special weather statement, May 5, 3:53 PM EDT, 55 minutes before
SHORT TERM FORECAST NATIONAL WEATHER SERVICE JACKSONVILLE FL 353 PM EDT SAT MAY 5 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR SUWANNEE AND HAMILTON COUNTIES FOR STRONG WINDS AND SMALL HAIL VALID UNTIL 430 AM PM EDT... FLZ020-021-052030- SUWANNEE FL-HAMILTON FL- 353 PM EDT SAT MAY 5 2007 .NOW... AT 347 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED 6 MILES SOUTHWEST OF JASPER...MOVING SOUTH AT 5 TO 10 MPH. THIS CLUSTER OF THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND WEST LAKE...JASPER AND SUWANNEE SPRINGS THROUGH 430 PM EDT. HAIL UP TO A HALF AN INCH IN DIAMETER...GUSTY WINDS UP TO 50 TO 55 MPH ALONG WITH POSSIBLE MINOR DAMAGE...AND DANGEROUS CLOUD-TO-GROUND LIGHTNING CAN BE EXPECTED WITH THIS ACTIVITY. PETERSON
Special weather statement, May 5, 3:53 PM EDT, 55 minutes before
SHORT TERM FORECAST NATIONAL WEATHER SERVICE JACKSONVILLE FL 353 PM EDT SAT MAY 5 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR SUWANNEE AND HAMILTON COUNTIES FOR STRONG WINDS AND SMALL HAIL VALID UNTIL 430 PM PM EDT... FLZ020-021-052030- SUWANNEE FL-HAMILTON FL- 353 PM EDT SAT MAY 5 2007 .NOW... AT 347 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED 6 MILES SOUTHWEST OF JASPER...MOVING SOUTH AT 5 TO 10 MPH. THIS CLUSTER OF THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND WEST LAKE...JASPER AND SUWANNEE SPRINGS THROUGH 430 PM EDT. HAIL UP TO A HALF AN INCH IN DIAMETER...GUSTY WINDS UP TO 50 TO 55 MPH ALONG WITH POSSIBLE MINOR DAMAGE...AND DANGEROUS CLOUD-TO-GROUND LIGHTNING CAN BE EXPECTED WITH THIS ACTIVITY. PETERSON
Special weather statement, May 5, 4:31 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 431 PM EDT SAT MAY 5 2007 FLZ040-052130- MARION- 431 PM EDT SAT MAY 5 2007 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR SOUTHWEST MARION COUNTY FOR STRONG WINDS AND SMALL HAIL VALID UNTIL 530 PM EDT... AT 430 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS OVER THE SOUTHWEST MARION COUNTY FROM ROMEO...RAINBOW LAKES TO DUNNELLON. THESE STORMS ARE MOVING SLOWLY SOUTH AROUND 5 KNOTS. THESE STRONG THUNDERSTORMS WILL AFFECT AREAS SOUTH OF RAINBOW LAKES ESTATES TOWARD DUNNELLON. GUSTY WINDS OF 35 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. SMALL SMALL UP TO A HALF INCH IN DIAMETER WILL ALSO BE POSSIBLE. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL WEATHER SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594. ENYEDI
Special weather statement, May 5, 4:42 PM EDT, 6 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>The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 8:38 AM EDT | Coastal Flood Statement | JAX | Flagler, Nassau | 27 hr |
| May 5, 4:22 PM EDT | Severe Thunderstorm Warning | JAX | Suwannee | 42 min |
| May 5, 7:22 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Putnam | 53 min |
| May 5, 5:27 PM EDT | Severe Thunderstorm Warning | JAX | Appling | 63 min |
| May 5, 5:52 PM EDT | Severe Thunderstorm Warning | JAX | Bacon | 38 min |
| May 5, 6:49 PM EDT | Severe Thunderstorm Warning | JAX | Charlton | 56 min |
| May 5, 7:35 PM EDT | Severe Thunderstorm Warning | JAX | Clinch | 55 min |
| May 5, 7:48 PM EDT | Tornado Warning | JAX | Clinch | 42 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2007Every severe thunderstorm warning in 2007
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.