Alert archive / Mississippi / Special Weather Statements in 2012
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Jul 12, 2012, 4:03 PM CDT for Clarke County, Jasper County, Smith County, Mississippi. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 12, 2012, 4:03 PM CDT (21:03 UTC)
- Expired
- Jul 12, 2012, 5:05 PM CDT
- In force
- 62 min
- Issued by
- NWS Jackson, MS
Counties Clarke County, MS, Jasper County, MS, Smith County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 112 km from the middle of the area, began a volume at 21:06 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
Jackson, MS (KJAN), launched 12:00Z, 9.1 hours before the alert went out and 122 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
- 174 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 700 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jul 12, 3:50 PM CDT, 13 minutes earlier.
Area forecast discussion, Jul 12, 3:50 PM CDT, 13 minutes before
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</html>Hazardous weather outlook, Jul 12, 2:27 PM CDT, 1 hour 36 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 227 PM CDT THU JUL 12 2012 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>038-040>044- 047>049-053-054-059>062-131930- ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR- SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES- CHOCTAW-OKTIBBEHA-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-WINSTON- ISSAQUENA-SHARKEY-YAZOO-MADISON MS-LEAKE-WARREN-HINDS-RANKIN- CLAIBORNE-COPIAH-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN- 227 PM CDT THU JUL 12 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MISSISSIPPI... NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS. .DAY ONE...TONIGHT AND FRIDAY SCATTERED THUNDERSTORMS PRODUCING LOCALLY HEAVY RAINS CAN BE EXPECTED EARLY TONIGHT AND AGAIN FRIDAY AFTERNOON. LOCALIZED FLOODING WILL BE POSSIBLE IN THE HEAVIER STORMS AND IN AREAS WHERE MULTIPLE STORMS TRACK ACROSS THE SAME AREA. RAINFALL AMOUNTS FROM ONE TO TWO INCHES WILL BE LIKELY WITH HIGHER TOTALS POSSIBLE. THE STRONGEST STORMS WILL ALSO PRODUCE GUSTY WINDS OF 30 TO 40 MPH. .DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH WEDNESDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER OPERATIONS...IS NOT EXPECTED THROUGH NEXT WEDNESDAY. MSZ039-045-046-050>052-055>058-063>066-072>074-131930- NOXUBEE-NESHOBA-KEMPER-SCOTT-NEWTON-LAUDERDALE-SIMPSON-SMITH- JASPER-CLARKE-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION- LAMAR-FORREST- 227 PM CDT THU JUL 12 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST AND SOUTHEAST MISSISSIPPI. .DAY ONE...TONIGHT AND FRIDAY SCATTERED THUNDERSTORMS WITH LOCALLY HEAVY RAINS OF ONE TO TWO INCHES IN LESS THAN 1 HOUR WILL BE POSSIBLE EARLY TONIGHT. THIS COULD PRODUCE LOCALIZED PONDING OF WATER ON ROADS AND MINOR STREET FLOODING IN URBAN AND POOR DRAINAGE AREAS. THE STRONGER STORMS WILL ALSO HAVE THE POTENTIAL FOR WIND GUSTS OF 35 TO 45 MPH. .DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH WEDNESDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER OPERATIONS...IS NOT EXPECTED THROUGH NEXT WEDNESDAY. FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. 40
In the hours before
Special weather statement, Jul 12, 2:12 PM CDT, 1 hour 51 minutes before
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MSZ054-055-059>063-122045-
ADAMS MS-SIMPSON MS-LINCOLN MS-LAWRENCE MS-JEFFERSON MS-FRANKLIN MS-
COPIAH MS-
248 PM CDT THU JUL 12 2012
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
248 PM CDT THU JUL 12 2012
...LINE OF GUSTY STORMS WITH TORRENTIAL DOWNPOURS MOVING NORTH
THROUGH THE HIGHWAY 84 CORRIDOR...
A LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING 40 TO 50 MPH
WIND GUSTS WAS LOCATED FROM 4 MILES SOUTH OF NATCHEZ TO 4 MILES WEST
OF MONTICELLO AT 247 PM CDT...MOVING NORTHEAST AT 20 MPH.
VERY HEAVY RAIN ALONG WITH FREQUENT CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THESE STORMS. RAINFALL RATES IN EXCESS OF 2 INCHES
PER HOUR ARE POSSIBLE...WHICH COULD RESULT IN AT LEAST MINOR PONDING
OF WATER ISSUES.
HIGH WINDS CAN BRING DOWN TREES AND LARGE LIMBS RESULTING IN SERIOUS
INJURY OR PROPERTY DAMAGE. EXERCISE EXTREME CAUTION WHEN OUTDOORS
DURING SUCH STRONG WINDS...AND BE ESPECIALLY AWARE OF OLDER TREES.
PEOPLE IN SOUTHERN COPIAH...NORTHERN FRANKLIN...JEFFERSON...NORTHERN
LAWRENCE...NORTHERN LINCOLN...SOUTHERN SIMPSON AND NORTHERN ADAMS
COUNTIES SHOULD MONITOR THESE STORMS CLOSELY.
LAT...LON 3183 9119 3185 9094 3183 9085 3179 9085
3179 9074 3186 9071 3192 8976 3176 8990
3176 8997 3169 8997 3151 9013 3143 9141
3145 9152 3143 9155
TIME...MOT...LOC 1947Z 218DEG 17KT 3151 9138 3158 9017
BYBSpecial weather statement, Jul 12, 3:29 PM CDT, 34 minutes before
MSZ055-056-122115-
SMITH MS-SIMPSON MS-
329 PM CDT THU JUL 12 2012
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
329 PM CDT THU JUL 12 2012
...STRONG THUNDERSTORM PUSHING NORTHEAST THROUGH CENTRAL SMITH
COUNTY...
A STRONG THUNDERSTORM CAPABLE OF PRODUCING 45 MPH WIND GUSTS WAS
LOCATED 7 MILES SOUTH OF RALEIGH AT 329 PM CDT...MOVING NORTHEAST AT
20 MPH.
VERY HEAVY RAIN ALONG WITH FREQUENT CLOUD TO GROUND LIGHTNING
STRIKES ARE ALSO POSSIBLE WITH THIS STORM.
HIGH WINDS CAN BRING DOWN TREES AND LARGE LIMBS RESULTING IN SERIOUS
INJURY OR PROPERTY DAMAGE. EXERCISE EXTREME CAUTION WHEN OUTDOORS
DURING SUCH STRONG WINDS...AND BE ESPECIALLY AWARE OF OLDER TREES.
PEOPLE IN EXTREME EAST CENTRAL SIMPSON AND SMITH COUNTIES SHOULD
MONITOR THIS STORM CLOSELY.
LAT...LON 3182 8953 3193 8969 3222 8945 3223 8935
3221 8932 3200 8932
TIME...MOT...LOC 2029Z 220DEG 16KT 3194 8954
BYBSpecial weather statement, Jul 12, 3:47 PM CDT, 16 minutes before
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</html>Special weather statement, Jul 12, 4:03 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 2:12 PM CDT | Special Weather Statement | JAN | Jefferson Davis | 43 min |
| Jul 12, 2:48 PM CDT | Special Weather Statement | JAN | Adams, Copiah, Franklin, Jefferson, Lawrence, Lincoln and 1 more | 57 min |
| Jul 12, 3:29 PM CDT | Special Weather Statement | JAN | Smith | 46 min |
| Jul 12, 3:40 PM CDT | Severe Thunderstorm Warning | JAN | Rankin, Simpson | 65 min |
| Jul 12, 3:47 PM CDT | Special Weather Statement | JAN | Copiah | 28 min |
| Jul 12, 4:31 PM CDT | Special Weather Statement | JAN | Scott | 44 min |
| Jul 12, 4:57 PM CDT | Special Weather Statement | JAN | Clarke, Lauderdale, Newton | 58 min |
Nearby
Special Weather Statements in Mississippi, 2012Every special weather statement 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; radar from the NEXRAD Level II archive.