Alert archive / Florida / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 161, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 31, 2006, 2:59 PM EDT for Duval County, Florida. It was in force for 46 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 31, 2006, 2:59 PM EDT (18:59 UTC)
- Expired
- Jul 31, 2006, 3:45 PM EDT
- In force
- 46 min
- Issued by
- NWS Jacksonville, FL
- Area
- Counties, with a storm outline in the text
County Duval County, FL
The radar
The Jacksonville radar (KJAX), 17 km from the middle of the area, began a volume at 18:58 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 7.0 hours before the alert went out and 235 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
- 1768 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 31, 2:51 PM EDT, 8 minutes earlier.
Area forecast discussion, Jul 31, 2:51 PM EDT, 8 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 251 PM EDT MON JUL 31 2006 ...HOT AND HUMID NEXT COUPLE OF DAYS WITH HEAT INDICES EXCEEDING 105 IN SOME LOCATIONS... .SHORT TERM...TONIGHT THROUGH WEDNESDAY NIGHT... NICE SHORTWAVE EMBEDDED IN WSWLY FLOW HAS TRIGGERED LINE OF SHOWERS AND TSTMS MOVING ACRS THE FORECAST AREA THIS AFTERNOON. GUSTY WINDS UP TO 40 TO 45 MPH ARE ASSOCD WITH THIS LINE WHICH SHOULD MOVE OFFSHORE BY MID/LATE AFTERNOON. SHOWER/TSTM ACTIVITY MAY RE-DEVELOP WITH SECONDARY LINE FM THE WEST FOR ANOTHER ROUND EARLY THIS EVENING THEN FADE AWAY BY MIDNIGHT. WESTERLY FLOW WILL PERSIST ON TUESDAY...BUT WITH WEAKER SPEEDS AND THIS WILL ALLOW FOR A BETTER ATLC AND GOMEX SBRZ INVLOLVEMENT FROM BOTH COAST AND THIS WILL LEAD TO SCTD AFTERNOON TSTMS WITH BEST COVERAGE ACRS INLD NE FL BETWEEN THE I-75 AND I-95 CORRIDORS. HIGHER DEWPOINTS AT THE SURFACE ALONG WITH MAX TEMPS IN THE MID 90S WILL PUSH HEAT INDICES INTO THE 103 TO 107 RANGE ACRS SERN GA AND IN THE 100 TO 105 RANGE ACRS NERN FL. ON WEDNESDAY...EXPECT TO SEE A REPEAT PERFORMANCE OF THE HOT WEATHER WITH HEAT INDICES ABOVE 105 IN SOME SERN GA LOCATIONS ONCE AGAIN. MEAN LAYER FLOW WILL BECOME LIGHT AND VARIABLE LESS THAN 10 KNOTS AND THIS WILL ALLOW FOR FULL SBRZ ACTION FROM BOTH COASTS MEETING ACRS THE INTERIOR SECTIONS OF THE FORECAST AREA ONCE AGAIN WITH SCTD AFTN/EVE POPS NEAR CLIMO VALUES OF 30-40%. .LONG TERM...THURSDAY THROUGH MONDAY... VERY WEAK MEAN LAYER FLOW WILL EXIST THU THROUGH SUN AND WITH MODERATE AMOUNTS OF MOISTURE EXPECT VERY NORMAL DIURNAL PATTERN WITH 30-50% POPS AND SCTD TSTMS EACH AFTERNOON. MAX TEMPS WILL REMAIN ABOVE NORMAL IN THE LOWER TO MID 90S AND HEAT INDICES WILL REMAIN IN THE 100-105 RANGE EACH DAY. BY MONDAY THE MEAN LAYER FLOW WILL TURN EASTERLY AHEAD OF APPROACHING TROPICAL WAVE AND DRIER AIR AHEAD OF THE SYSTEM WILL DROP POPS DOWN INTO THE 10-30% RANGE AND BE MAINLY BE PUSHED WELL INLAND AS WELL. && .MARINE...STORMS WILL MOVE ACROSS THE WATERS EARLY THIS EVENING. OFFSHORE FLOW WILL CONTINUE THIS WEEK WITH SFC RIDGE TO THE SOUTH. WINDS WILL BECOME SE NEAR SHORE WITH SEABREEZE FORMATION EACH AFTERNOON. SEAS WILL REMAIN IN 2 TO 4 FOOT RANGE. NO HEADLINES. && .PRELIMINARY POINT TEMPS/POPS... AMG 73 96 73 97 / 20 30 30 40 SSI 77 93 77 93 / 20 20 10 20 JAX 73 94 75 95 / 30 30 20 30 SGJ 75 92 76 92 / 30 30 30 30 GNV 71 94 72 95 / 30 40 30 40 OCF 71 94 72 95 / 20 30 30 40 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...NONE. GA...NONE. MARINE...NONE. && PUBLIC...HESS MARINE/FIRE WX...ZIBURA
Hazardous weather outlook, Jul 31, 4:59 AM EDT, 10 hours before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 459 AM EDT MON JUL 31 2006 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-011000- ALACHUA-APPLING-ATKINSON-BACON-BAKER-BRADFORD-BRANTLEY- CAMDEN (COASTAL)-CAMDEN (INLAND)-CHARLTON-CLAY-CLINCH-COFFEE- COLUMBIA-DUVAL-ECHOLS-FLAGLER-GILCHRIST-GLYNN (COASTAL)- GLYNN (INLAND)-HAMILTON-JEFF DAVIS-MARION-NASSAU-PIERCE-PUTNAM- ST JOHNS-SUWANNEE-UNION-WARE-WAYNE- 459 AM EDT MON JUL 31 2006 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT... ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE FORECAST...WITH GREATEST COVERAGE EXPECTED THIS AFTERNOON ALONG AND SOUTH OF A LINE FROM GAINESVILLE TO SAINT AUGUSTINE. LOCALIZED HEAVY RAINFALL AND BRIEF GUSTY WINDS WILL ACCOMPANY THESE THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS WILL CONTINUE THROUGH MOST OF THIS 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 WWW.SRH.NOAA.GOV/JAX. ECZ
In the hours before
Special weather statement, Jul 31, 12:58 PM EDT, 2 hours 1 minute 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 31, 1:28 PM EDT, 1 hour 31 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 31, 1:59 PM EDT, 1 hour before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 159 PM EDT MON JUL 31 2006 FLZ031-036-311830- ALACHUA-BRADFORD- 159 PM EDT MON JUL 31 2006 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR ALACHUA AND BRADFORD COUNTIES FOR STRONG WINDS VALID UNTIL 230 PM EDT... AT 159 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 2 MILES SOUTHWEST OF STARKE TO NEWNANS LAKE...MOVING NORTHEAST AT 15 MPH. THESE STRONG THUNDERSTORMS WILL AFFECT AREAS AROUND ROCHELLE...GAINESVILLE AIRPORT...WALDO...STARKE...NEWNANS LAKE...HAMPTON...GROVE PARK AND ORANGE HEIGHTS THROUGH 230 PM EDT. GUSTY WINDS UP TO 50 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND DAMAGE. HEAVY RAINFALL WILL PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING AREAS. 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. ZIBURA
Special weather statement, Jul 31, 2:04 PM EDT, 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 204 PM EDT MON JUL 31 2006 FLZ023>025-032-GAZ164-311845- BAKER-CHARLTON-CLAY-DUVAL-NASSAU- 204 PM EDT MON JUL 31 2006 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NASSAU...CLAY... BAKER...DUVAL AND CHARLTON COUNTIES FOR STRONG WINDS VALID UNTIL 245 PM EDT... AT 204 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 7 MILES WEST OF TAYLOR TO KINGSLEY...MOVING NORTHEAST AT 15 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND SANDERSON...KINGSLEY... GLEN SAINT MARY...TAYLOR...MACCLENNY...MIDDLEBURG...MAXVILLE...PENNEY FARMS...ASBURY LAKE AND LAKESIDE THROUGH 245 PM EDT. GUSTY WINDS OF 40 TO 50 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND DAMAGE. HEAVY RAINFALL WILL PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING AREAS. 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. HESS
Special weather statement, Jul 31, 2:36 PM EDT, 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 236 PM EDT MON JUL 31 2006 FLZ023>025-GAZ164-311915- BAKER-CHARLTON-DUVAL-NASSAU- 236 PM EDT MON JUL 31 2006 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NASSAU...BAKER... DUVAL AND CHARLTON COUNTIES FOR STRONG WINDS VALID UNTIL 315 PM EDT... AT 236 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 18 MILES WEST OF ST. GEORGE TO 5 MILES SOUTHWEST OF JACKSONVILLE HEIGHTS...MOVING EAST AT 15 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND BALDWIN...JACKSONVILLE HEIGHTS...BRYCEVILLE...NORMANDY...ORTEGA...ST. GEORGE...UNF...TALLYRAND...SAN MARCO AND RIVERSIDE THROUGH 315 PM EDT. GUSTY WINDS OF 40 TO 50 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND DAMAGE. HEAVY RAINFALL WILL PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING AREAS. 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. HESS
Special weather statement, Jul 31, 2:37 PM EDT, 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 237 PM EDT MON JUL 31 2006 FLZ032-033-037-311915- CLAY-PUTNAM-ST. JOHNS- 237 PM EDT MON JUL 31 2006 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR CLAY...ST. JOHNS AND PUTNAM COUNTIES FOR STRONG WINDS VALID UNTIL 315 PM EDT... AT 237 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 3 MILES NORTHWEST OF LAKESIDE TO 8 MILES SOUTHWEST OF JOHNSON...MOVING EAST AT 15 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND PUTNAM HALL...MIDDLEBURG...LAKE GENEVA...LAKESIDE...BELLAIR...ASBURY LAKE... DOCTORS INLET...PENNEY FARMS...JOHNSON AND ORANGE PARK THROUGH 315 PM EDT. GUSTY WINDS OF 40 TO 50 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR WIND DAMAGE. HEAVY RAINFALL WILL PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING AREAS. 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. HESS
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 2:37 PM EDT | Special Marine Warning | JAX | 113 min | |
| Jul 31, 4:25 PM EDT | Special Marine Warning | JAX | 95 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2006Every severe thunderstorm warning in 2006
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.