Alert archive / Louisiana / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 8, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jan 3, 2009, 5:59 PM CST for Catahoula Parish, Franklin Parish, Louisiana. It was in force for 26 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
- Jan 3, 2009, 5:59 PM CST (23:59 UTC)
- Expired
- Jan 3, 2009, 6:25 PM CST
- In force
- 26 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
Counties Catahoula Parish, LA, Franklin Parish, LA
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 3, 4:29 PM CST | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 12.0 hours before the alert went out and 165 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
- 863 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 3, 2:43 PM CST, 3 hours 16 minutes earlier.
Area forecast discussion, Jan 3, 2:43 PM CST, 3 hours 16 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>Hazardous weather outlook, Jan 3, 12:57 PM CST, 5 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1257 PM CST SAT JAN 3 2009 LAZ023>026-MSZ043>046-048>066-072>074-041900- FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-MADISON MS-LEAKE-NESHOBA- KEMPER-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-COPIAH- SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN- LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST- 1257 PM CST SAT JAN 3 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST LOUISIANA... CENTRAL AND SOUTH MISSISSIPPI. .DAY ONE...TONIGHT AND SUNDAY ISOLATED STRONG TO SEVERE THUNDERSTORMS WILL REMAIN POSSIBLE THIS AFTERNOON AND EVENING. FREQUENT DANGEROUS LIGHTNING...DAMAGING WIND GUSTS TO 60 MPH AND LARGE HAIL REMAIN THE PRIMARY CONCERNS. A FEW TORNADOES WILL ALSO BE POSSIBLE. AN UPPER LEVEL DISTURBANCE WAS MOVING NORTHEAST OUT OF TEXAS. AS THE SYSTEM MOVES NORTHEAST LARGE AMOUNTS OF WARM AND UNSTABLE AIR WILL BE PUSHED INTO THE LOWER MISSISSIPPI VALLEY. THE COMBINATION OF MOISTURE...INSTABILITY AND AFTERNOON HEATING WILL LEAD TO A FEW STRONG TO SEVERE STORMS. CONDITIONS WILL REMAIN MOST FAVORABLE FOR SEVERE STORMS ALONG THE HIGHWAY 84 CORRIDOR. THE UPPER LEVEL DISTURBANCE WILL SHIFT EAST OF THE AREA AROUND MIDNIGHT. HOWEVER...THE MOIST AND UNSTABLE AIRMASS WILL REMAIN IN PLACE. A COLD FRONT WILL MOVE INTO THE AREA SUNDAY...BRINGING A CHANCE FOR MORE STRONG THUNDERSTORMS SUNDAY AFTERNOON. .DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH FRIDAY STRONG TO SEVERE STORMS WILL BE POSSIBLE MONDAY NIGHT INTO TUESDAY...IN ADDITION TO PERIODS OF HEAVY RAINFALL. SEVERAL DISTURBANCES WILL MOVE ACROSS THE AREA AS A WARM FRONT DRIFTS SLOWLY TO THE NORTH. STRONG UPPER LEVEL WINDS AND PLENTY OF MOISTURE MAY LEAD TO A FEW SEVERE STORMS AND WIDESPREAD HEAVY RAINFALL. RAINFALL TOTALS FROM 2 TO 3 INCHES WITH ISOLATED HIGH AMOUNTS UP TO 5 INCHES MAY PRODUCE LOCALIZED FLOODING. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER OPERATIONS...WILL BE NEEDED THIS AFTERNOON AND EVENING. ADDITIONAL SUPPORT MAY BE NEEDED MONDAY NIGHT AND TUESDAY. ARZ074-075-LAZ007>009-015-016-MSZ018-019-025>042-047-041900- ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-BOLIVAR-SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY- WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-WASHINGTON-HUMPHREYS- HOLMES-ATTALA-WINSTON-NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-WARREN- 1257 PM CST SAT JAN 3 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST LOUISIANA... NORTH CENTRAL AND NORTHEAST MISSISSIPPI. .DAY ONE...TONIGHT AND SUNDAY A FEW STRONG THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EVENING. AN UPPER LEVEL DISTURBANCE WILL MOVE THROUGH THE MOIST AND UNSTABLE AIR ACROSS THE REGION. PEA TO DIME SIZED HAIL AND WIND GUSTS TO 50 MPH WILL BE POSSIBLE. THE UPPER LEVEL DISTURBANCE WILL SHIFT EAST OF THE AREA AROUND MIDNIGHT. HOWEVER...THE MOIST AND UNSTABLE AIRMASS WILL REMAIN IN PLACE. A COLD FRONT WILL MOVE INTO THE AREA SUNDAY BRINGING A CHANCE FOR MORE STRONG THUNDERSTORMS SUNDAY AFTERNOON. .DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH FRIDAY STRONG TO SEVERE STORMS WILL BE POSSIBLE MONDAY NIGHT INTO TUESDAY...IN ADDITION TO PERIODS OF HEAVY RAINFALL. SEVERAL DISTURBANCES WILL MOVE ACROSS THE AREA AS A WARM FRONT DRIFTS SLOWLY TO THE NORTH. STRONG UPPER LEVEL WINDS AND PLENTY OF MOISTURE MAY LEAD TO A FEW SEVERE STORMS AND WIDESPREAD HEAVY RAINFALL. RAINFALL TOTALS FROM 2 TO 3 INCHES WITH ISOLATED HIGH AMOUNTS UP TO 5 INCHES MAY PRODUCE LOCALIZED FLOODING. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER OPERATIONS...MAY BE NEEDED MONDAY NIGHT AND TUESDAY. FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK. 07
In the hours before
Local storm report, Jan 3, 1:38 PM CST, 4 hours 21 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, Jan 3, 1:44 PM CST, 4 hours 15 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, Jan 3, 2:14 PM CST, 3 hours 45 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, Jan 3, 2:47 PM CST, 3 hours 12 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, Jan 3, 3:04 PM CST, 2 hours 55 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, Jan 3, 3:26 PM CST, 2 hours 33 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 Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 7:48 PM CST | Dense Fog Advisory | JAN | Attala, Bolivar, Carroll, Choctaw, Claiborne, Clarke and 38 more | 10 hr |
| Jan 3, 11:53 AM CST | Severe Thunderstorm Warning | JAN | Lamar | 52 min |
| Jan 3, 12:24 PM CST | Severe Thunderstorm Warning | JAN | Covington, Forrest, Jones, Lamar | 32 min |
| Jan 3, 12:51 PM CST | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis | 28 min |
| Jan 3, 1:12 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 48 min |
| Jan 3, 1:21 PM CST | Severe Thunderstorm Warning | JAN | Smith | 28 min |
| Jan 3, 2:29 PM CST | Severe Thunderstorm Warning | JAN | Leake | 32 min |
| Jan 3, 5:34 PM CST | Severe Thunderstorm Warning | JAN | Catahoula, Franklin | 26 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 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; the sounding from the Mesonet's radiosonde archive.