Alert archive / Arkansas / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 364, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Nov 1, 2004, 2:57 PM CST for Ashley County, Arkansas. It was in force for 48 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
- Nov 1, 2004, 2:57 PM CST (20:57 UTC)
- Expired
- Nov 1, 2004, 3:45 PM CST
- In force
- 48 min
- Issued by
- NWS Jackson, MS
- Area
- Counties, with a storm outline in the text
County Ashley County, AR
The radar
The Little Rock radar (KLZK), 189 km from the middle of the area, began a volume at 21:01 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 1, 10:00 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.0 hours before the alert went out and 185 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 642 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 181 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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 1, 10:51 AM CST, 4 hours 6 minutes earlier.
Area forecast discussion, Nov 1, 10:51 AM CST, 4 hours 6 minutes before
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</html>Hazardous weather outlook, Nov 1, 2:33 PM CST, 24 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 233 PM CST MON NOV 01 2004 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 022032- ADAMS-ASHLEY-ATTALA-BOLIVAR-CARROLL-CATAHOULA-CHICOT-CHOCTAW- CLAIBORNE-CLARKE-CLAY-CONCORDIA-COPIAH-COVINGTON-EAST CARROLL- FORREST-FRANKLIN LA-FRANKLIN MS-GRENADA-HINDS-HOLMES-HUMPHREYS- ISSAQUENA-JASPER-JEFFERSON-JEFFERSON DAVIS-JONES-KEMPER-LAMAR- LAUDERDALE-LAWRENCE-LEAKE-LEFLORE-LINCOLN-LOWNDES-MADISON LA- MADISON MS-MARION-MONTGOMERY-MOREHOUSE-NESHOBA-NEWTON-NOXUBEE- OKTIBBEHA-RANKIN-RICHLAND-SCOTT-SHARKEY-SIMPSON-SMITH-SUNFLOWER- TENSAS-WARREN-WASHINGTON-WEBSTER-WEST CARROLL-WINSTON-YAZOO- 232 PM CST MON NOV 01 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI... NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS .DAY ONE...TONIGHT AND TUESDAY... ...THUNDERSTORMS... THERE IS A RISK OF ISOLATED SEVERE THUNDERSTORMS ACROSS EXTREME SOUTHEAST ARKANSAS...EAST LOUISIANA...AND MUCH OF MISSISSIPPI THROUGH TUESDAY EVENING. THE GREATEST RISK OF SEEING SEVERE THUNDERSTORMS WILL BE ALONG AND WEST OF A RAYVILLE LOUISIANA TO INDIANOLA MISSISSIPPI LINE TONIGHT...THEN EXPAND TO ENCOMPASS THE REMAINDER OF THE REGION TUESDAY. THE MAIN RISK FROM ANY SEVERE THUNDERSTORMS WILL BE DAMAGING WIND IN EXCESS OF 58 MILES AN HOUR. HOWEVER...A FEW TORNADOES WILL ALSO BE POSSIBLE. A LINE OF THUNDERSTORMS DEVELOPED EARLIER TODAY...IN RESPONSE TO AN UPPER-LEVEL DISTURBANCE INTERACTING WITH A TROUGH OF LOW PRESSURE AT THE SURFACE. SOME OF THESE STORMS HAVE BEEN STRONG ACROSS ARKANSAS AND LOUISIANA. AS THE LINE OF STORMS MOVES EAST...AN ISOLATED SEVERE STORM CANNOT BE RULED OUT ACROSS THE ARKLAMISS THROUGH THIS EVENING. A POWERFUL UPPER-LEVEL STORM SYSTEM WILL THEN MOVE EAST TONIGHT...AND PUSH A STRONG COLD FRONT INTO THE LOWER MISSISSIPPI VALLEY BY TUESDAY MORNING. THESE FEATURES WILL COMBINE WITH A SLIGHTLY UNSTABLE AIRMASS TO RESULT IN THUNDERSTORMS FOR MUCH OF THE AREA TUESDAY. WITH STRONG JET STREAM DYNAMICS...AND A SUFFICIENT AMOUNT OF WIND SHEAR...WHICH IS THE CHANGE IN WIND SPEED AND/OR DIRECTION WITH HEIGHT...SOME SEVERE STORMS WILL BE POSSIBLE. ...FLOODING... FLASH FLOODING WILL BE POSSIBLE ALONG AND WEST OF A FERRIDAY LOUISIANA...TO GREENWOOD MISSISSIPPI LINE THROUGH TUESDAY EVENING. THE FLOODING RISK WILL BE LIMITED TO THE ARKLAMISS TONIGHT...ROUGHLY ALONG AND TO THE WEST OF A LINE FROM BASTROP LOUISIANA...TO GREENVILLE AND CLEVELAND MISSISSIPPI. SHOWERS AND THUNDERSTORMS WILL MOVE INTO THE ARKLAMISS THIS EVENING. THUNDERSTORMS WITHIN THE LINE MAY RESULT IN AN INCH OF RAIN FALLING DURING A SHORT AMOUNT OF TIME. THIS COULD RESULT IN SOME FLOODING...MAINLY IN LOW-LYING AND OTHER FLOOD PRONE AREAS. THE COLD FRONT IS EXPECTED TO BECOME NEARLY STATIONARY ACROSS ARKANSAS AND NORTH LOUISIANA TUESDAY. AS UPPER-LEVEL DISTURBANCES MOVE ALONG THE FRONT...SHOWERS AND THUNDERSTORMS...SOME PRODUCING HEAVY RAINFALL...WILL LIKELY MOVE ACROSS THE SAME AREAS. THE PERSISTENT RAINFALL COULD RESULT IN FLOODING. .DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH MONDAY... ...DAYS TWO AND THREE...TUESDAY NIGHT THROUGH THURSDAY NIGHT... SEVERE THUNDERSTORMS WILL REMAIN POSSIBLE ACROSS EAST CENTRAL AND SOUTHEAST MISSISSIPPI TUESDAY NIGHT...GENERALLY ALONG AND EAST OF A LINE FROM BROOKHAVEN TO MERIDIAN. DAMAGING WIND GUSTS IN EXCESS OF 58 MILES AN HOUR WILL BE THE MAIN SEVERE WEATHER RISK. THE POWERFUL STORM SYSTEM WILL CONTINUE MOVING EAST TUESDAY NIGHT. AS THE SYSTEM MOVES INTO A MODERATELY UNSTABLE AIRMASS...SOME OF THE STORMS COULD BE SEVERE. ...DAYS FOUR THROUGH SEVEN...THURSDAY NIGHT THROUGH MONDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .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 THROUGH EARLY WEDNESDAY. OTHERWISE...ACTIVATION IS NOT ANTICIPATED THROUGH THE EVENING OF MONDAY...NOVEMBER 8. FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK. BUTTS
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 1, 3:41 PM CST | Severe Thunderstorm Warning | JAN | Bolivar | 49 min |
| Nov 1, 4:28 PM CST | Severe Thunderstorm Warning | JAN | Bolivar | 47 min |
| Nov 1, 3:31 PM CST | Severe Thunderstorm Warning | JAN | Chicot | 29 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2004Every severe thunderstorm warning in 2004
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.