Alert archive / Mississippi / Excessive Heat Warnings in 2011
Excessive Heat Warning 2, NWS Jackson, MS
NWS Jackson, MS issued this excessive heat warning at Jul 11, 2011, 2:26 PM CDT for 5 counties in Mississippi. It was in force for 29 hr. 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 11, 2011, 2:26 PM CDT (19:26 UTC)
- Expired
- Jul 12, 2011, 7:00 PM CDT
- In force
- 29 hr
- Issued by
- NWS Jackson, MS
Counties Choctaw County, MS, Clay County, MS, Lowndes County, MS, Oktibbeha County, MS, Webster County, MS
The radar
The Columbus AFB radar (KGWX), 71 km from the middle of the area, began a volume at 19:26 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, 7.4 hours before the alert went out and 170 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
- 1853 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 898 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -48 m²/s²
- 0-3 km storm-relative helicity
- -25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
469 WWUS74 KJAN 111926 NPWJAN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSON MS 226 PM CDT MON JUL 11 2011 MSZ029>033-120330- /O.UPG.KJAN.HT.Y.0003.000000T0000Z-110712T0100Z/ /O.NEW.KJAN.EH.W.0002.110711T1926Z-110713T0000Z/ WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA- INCLUDING THE CITIES OF...EUPORA...MABEN...MATHISTON... WEST POINT...COLUMBUS...ACKERMAN...WEIR...STARKVILLE 226 PM CDT MON JUL 11 2011 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 7 PM CDT TUESDAY... THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT UNTIL 7 PM CDT TUESDAY. THE HEAT ADVISORY IS NO LONGER IN EFFECT. * HEAT INDEX READINGS...110 TO 113 DEGREES TODAY AND TUESDAY. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM EACH AFTERNOON. LITTLE RELIEF IS EXPECTED OVERNIGHT AS LOWS WILL REMAIN WARM AND ONLY DROP TO THE MID AND UPPER 70S. * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...450 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ MSZ028-037>039-044>046-050>052-055>058-063>066-072>074-120330- /O.EXT.KJAN.HT.Y.0003.000000T0000Z-110713T0000Z/ MONTGOMERY-ATTALA-WINSTON-NOXUBEE-LEAKE-NESHOBA-KEMPER-SCOTT- NEWTON-LAUDERDALE-SIMPSON-SMITH-JASPER-CLARKE-LAWRENCE- JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST- INCLUDING THE CITIES OF...WINONA...KOSCIUSKO...LOUISVILLE... MACON...BROOKSVILLE...CARTHAGE...PHILADELPHIA...PEARL RIVER... DE KALB...SCOOBA...FOREST...MORTON...NEWTON...UNION...DECATUR... CONEHATTA...MERIDIAN...MAGEE...MENDENHALL...TAYLORSVILLE... RALEIGH...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL... SHUBUTA...MONTICELLO...NEW HEBRON...PRENTISS...BASSFIELD... COLLINS...MOUNT OLIVE...LAUREL...COLUMBIA...WEST HATTIESBURG... LUMBERTON...PURVIS...HATTIESBURG 226 PM CDT MON JUL 11 2011 ...HEAT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT TUESDAY... THE HEAT ADVISORY IS NOW IN EFFECT UNTIL 7 PM CDT TUESDAY. * HEAT INDEX READINGS...105 TO 110 DEGREES TODAY AND TUESDAY. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM EACH AFTERNOON. HOWEVER...ADDITIONAL SHOWERS AND THUNDERSTORMS TODAY AND TUESDAY WILL PROVIDE SOME RELIEF TO THE HEAT * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...OVER 500 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE... RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>027-034>036- 040>043-047>049-053-054-059>062-120330- /O.CON.KJAN.HT.Y.0003.000000T0000Z-110713T0000Z/ ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR- SUNFLOWER-LEFLORE-GRENADA-CARROLL-WASHINGTON-HUMPHREYS-HOLMES- ISSAQUENA-SHARKEY-YAZOO-MADISON MS-WARREN-HINDS-RANKIN-CLAIBORNE- COPIAH-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN- INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG... WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP... OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI... TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON... ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY... CLEVELAND...INDIANOLA...RULEVILLE...GREENWOOD...GRENADA... VAIDEN...NORTH CARROLLTON...CARROLLTON...GREENVILLE...BELZONI... ISOLA...DURANT...TCHULA...LEXINGTON...PICKENS...GOODMAN... MAYERSVILLE...ROLLING FORK...ANGUILLA...YAZOO CITY...RIDGELAND... MADISON...CANTON...VICKSBURG...JACKSON...PEARL...BRANDON... RICHLAND...PORT GIBSON...CRYSTAL SPRINGS...HAZLEHURST...WESSON... FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE...BROOKHAVEN 226 PM CDT MON JUL 11 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY... A HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY. * HEAT INDEX READINGS...105 TO 110 DEGREES TODAY AND TUESDAY. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM EACH AFTERNOON. LITTLE RELIEF IS EXPECTED AT NIGHT WITH OVERNIGHT LOWS IN THE MID TO UPPER 70S. HOWEVER...SOME AFTERNOON SHOWERS AND STORMS MAY PROVIDE SOME BRIEF RELIEF FROM THE HEAT. * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...OVER 500 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE... RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ CME
4 follow-up statements
507 WWUS74 KJAN 120313 NPWJAN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSON MS 1013 PM CDT MON JUL 11 2011 MSZ029>033-121115- /O.CON.KJAN.EH.W.0002.000000T0000Z-110713T0000Z/ WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA- INCLUDING THE CITIES OF...EUPORA...MABEN...MATHISTON... WEST POINT...COLUMBUS...ACKERMAN...WEIR...STARKVILLE 1013 PM CDT MON JUL 11 2011 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY... * HEAT INDEX READINGS...110 TO 113 DEGREES TUESDAY. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM. LITTLE RELIEF IS EXPECTED OVERNIGHT AS LOWS WILL REMAIN WARM AND ONLY DROP TO THE MID AND UPPER 70S. * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...OVER 500 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>028-034>066- 072>074-121115- /O.CON.KJAN.HT.Y.0003.000000T0000Z-110713T0000Z/ ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR- SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WASHINGTON-HUMPHREYS- HOLMES-ATTALA-WINSTON-NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-MADISON MS- LEAKE-NESHOBA-KEMPER-WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE- CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS- FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES- MARION-LAMAR-FORREST- INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG... WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP... OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI... TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON... ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY... CLEVELAND...INDIANOLA...RULEVILLE...GREENWOOD...GRENADA... VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...GREENVILLE... BELZONI...ISOLA...DURANT...TCHULA...LEXINGTON...PICKENS... GOODMAN...KOSCIUSKO...LOUISVILLE...MACON...BROOKSVILLE... MAYERSVILLE...ROLLING FORK...ANGUILLA...YAZOO CITY...RIDGELAND... MADISON...CANTON...CARTHAGE...PHILADELPHIA...PEARL RIVER... DE KALB...SCOOBA...VICKSBURG...JACKSON...PEARL...BRANDON... RICHLAND...FOREST...MORTON...NEWTON...UNION...DECATUR... CONEHATTA...MERIDIAN...PORT GIBSON...CRYSTAL SPRINGS... HAZLEHURST...WESSON...MAGEE...MENDENHALL...TAYLORSVILLE... RALEIGH...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL... SHUBUTA...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE... BROOKHAVEN...MONTICELLO...NEW HEBRON...PRENTISS...BASSFIELD... COLLINS...MOUNT OLIVE...LAUREL...COLUMBIA...WEST HATTIESBURG... LUMBERTON...PURVIS...HATTIESBURG 1013 PM CDT MON JUL 11 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY... * HEAT INDEX READINGS...105 TO 110 DEGREES TUESDAY. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM. HOWEVER...SHOWERS AND THUNDERSTORMS TUESDAY WILL PROVIDE SOME RELIEF TO THE HEAT * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...OVER 500 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE... RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ 03
448 WWUS74 KJAN 120937 NPWJAN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSON MS 437 AM CDT TUE JUL 12 2011 MSZ029>033-121745- /O.CON.KJAN.EH.W.0002.000000T0000Z-110713T0000Z/ WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA- INCLUDING THE CITIES OF...EUPORA...MABEN...MATHISTON... WEST POINT...COLUMBUS...ACKERMAN...WEIR...STARKVILLE 437 AM CDT TUE JUL 12 2011 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * HEAT INDEX READINGS...110 TO 112 DEGREES TODAY. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM. LITTLE RELIEF IS EXPECTED OVERNIGHT AS LOWS WILL REMAIN WARM AND ONLY DROP TO THE MID AND UPPER 70S. * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...OVER 500 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>028-034>066- 072>074-121745- /O.CON.KJAN.HT.Y.0003.000000T0000Z-110713T0000Z/ ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR- SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WASHINGTON-HUMPHREYS- HOLMES-ATTALA-WINSTON-NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-MADISON MS- LEAKE-NESHOBA-KEMPER-WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE- CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS- FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES- MARION-LAMAR-FORREST- INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG... WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP... OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI... TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON... ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY... CLEVELAND...INDIANOLA...RULEVILLE...GREENWOOD...GRENADA... VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...GREENVILLE... BELZONI...ISOLA...DURANT...TCHULA...LEXINGTON...PICKENS... GOODMAN...KOSCIUSKO...LOUISVILLE...MACON...BROOKSVILLE... MAYERSVILLE...ROLLING FORK...ANGUILLA...YAZOO CITY...RIDGELAND... MADISON...CANTON...CARTHAGE...PHILADELPHIA...PEARL RIVER... DE KALB...SCOOBA...VICKSBURG...JACKSON...PEARL...BRANDON... RICHLAND...FOREST...MORTON...NEWTON...UNION...DECATUR... CONEHATTA...MERIDIAN...PORT GIBSON...CRYSTAL SPRINGS... HAZLEHURST...WESSON...MAGEE...MENDENHALL...TAYLORSVILLE... RALEIGH...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL... SHUBUTA...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE... BROOKHAVEN...MONTICELLO...NEW HEBRON...PRENTISS...BASSFIELD... COLLINS...MOUNT OLIVE...LAUREL...COLUMBIA...WEST HATTIESBURG... LUMBERTON...PURVIS...HATTIESBURG 437 AM CDT TUE JUL 12 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * HEAT INDEX READINGS...105 TO 110 DEGREES TODAY. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM. HOWEVER...SHOWERS AND THUNDERSTORMS THIS AFTERNOON WILL PROVIDE SOME RELIEF TO THE HEAT. * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...OVER 500 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE... RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ 28
408 WWUS74 KJAN 121639 NPWJAN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSON MS 1139 AM CDT TUE JUL 12 2011 MSZ029>033-130000- /O.CON.KJAN.EH.W.0002.000000T0000Z-110713T0000Z/ WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA- INCLUDING THE CITIES OF...EUPORA...MABEN...MATHISTON... WEST POINT...COLUMBUS...ACKERMAN...WEIR...STARKVILLE 1139 AM CDT TUE JUL 12 2011 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * HEAT INDEX READINGS...110 TO 113 DEGREES TODAY. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM. LITTLE RELIEF IS EXPECTED OVERNIGHT AS LOWS WILL REMAIN WARM AND ONLY DROP TO THE MID AND UPPER 70S. * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...OVER 500 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>028-034>066- 072>074-130000- /O.CON.KJAN.HT.Y.0003.000000T0000Z-110713T0000Z/ ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR- SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WASHINGTON-HUMPHREYS- HOLMES-ATTALA-WINSTON-NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-MADISON MS- LEAKE-NESHOBA-KEMPER-WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE- CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS- FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES- MARION-LAMAR-FORREST- INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG... WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP... OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI... TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON... ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY... CLEVELAND...INDIANOLA...RULEVILLE...GREENWOOD...GRENADA... VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...GREENVILLE... BELZONI...ISOLA...DURANT...TCHULA...LEXINGTON...PICKENS... GOODMAN...KOSCIUSKO...LOUISVILLE...MACON...BROOKSVILLE... MAYERSVILLE...ROLLING FORK...ANGUILLA...YAZOO CITY...RIDGELAND... MADISON...CANTON...CARTHAGE...PHILADELPHIA...PEARL RIVER... DE KALB...SCOOBA...VICKSBURG...JACKSON...PEARL...BRANDON... RICHLAND...FOREST...MORTON...NEWTON...UNION...DECATUR... CONEHATTA...MERIDIAN...PORT GIBSON...CRYSTAL SPRINGS... HAZLEHURST...WESSON...MAGEE...MENDENHALL...TAYLORSVILLE... RALEIGH...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL... SHUBUTA...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE... BROOKHAVEN...MONTICELLO...NEW HEBRON...PRENTISS...BASSFIELD... COLLINS...MOUNT OLIVE...LAUREL...COLUMBIA...WEST HATTIESBURG... LUMBERTON...PURVIS...HATTIESBURG 1139 AM CDT TUE JUL 12 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * HEAT INDEX READINGS...105 TO 110 DEGREES TODAY. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM. HOWEVER...SHOWERS AND THUNDERSTORMS THIS AFTERNOON WILL PROVIDE SOME RELIEF TO THE HEAT. * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...OVER 500 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE... RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ CME
696 WWUS74 KJAN 121837 AAA NPWJAN URGENT - WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE JACKSON MS 137 PM CDT TUE JUL 12 2011 MSZ029>033-130245- /O.EXB.KJAN.HT.Y.0003.110713T0000Z-110714T0000Z/ /O.CON.KJAN.EH.W.0002.000000T0000Z-110713T0000Z/ WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA- INCLUDING THE CITIES OF...EUPORA...MABEN...MATHISTON... WEST POINT...COLUMBUS...ACKERMAN...WEIR...STARKVILLE 137 PM CDT TUE JUL 12 2011 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT WEDNESDAY. AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. SLIGHTLY COOLER CONDITIONS DUE TO CLOUD COVER AND SHOWER/THUNDERSTORM ACTIVITY ACROSS THE SOUTH WILL KEEP HEAT INDEX VALUES AROUND 105 ON WEDNESDAY. * HEAT INDEX READINGS...105 TO 110 DEGREES WITH SOME SELECT AREAS REACHING UPWARDS OF 115 DEGREES THIS AFTERNOON. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM. HOWEVER...SOME SHOWERS AND THUNDERSTORMS THIS AFTERNOON WILL PROVIDE SOME RELIEF TO THE HEAT. * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...OVER 500 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE... RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025>028-034>047- 130245- /O.EXT.KJAN.HT.Y.0003.000000T0000Z-110714T0000Z/ ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-FRANKLIN LA-TENSAS-BOLIVAR-SUNFLOWER-LEFLORE-GRENADA- CARROLL-MONTGOMERY-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-WINSTON- NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-MADISON MS-LEAKE-NESHOBA-KEMPER- WARREN- INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG... WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP... OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI... TALLULAH...WINNSBORO...NEWELLTON...ST. JOSEPH...WATERPROOF... CLEVELAND...INDIANOLA...RULEVILLE...GREENWOOD...GRENADA... VAIDEN...NORTH CARROLLTON...CARROLLTON...WINONA...GREENVILLE... BELZONI...ISOLA...DURANT...TCHULA...LEXINGTON...PICKENS... GOODMAN...KOSCIUSKO...LOUISVILLE...MACON...BROOKSVILLE... MAYERSVILLE...ROLLING FORK...ANGUILLA...YAZOO CITY...RIDGELAND... MADISON...CANTON...CARTHAGE...PHILADELPHIA...PEARL RIVER... DE KALB...SCOOBA...VICKSBURG 137 PM CDT TUE JUL 12 2011 ...HEAT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT WEDNESDAY... THE HEAT ADVISORY IS NOW IN EFFECT UNTIL 7 PM CDT WEDNESDAY. * HEAT INDEX READINGS...105 TO 110 DEGREES WENDESDAY AFTERNOON. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM. HOWEVER...SHOWERS AND THUNDERSTORMS THIS AFTERNOON WILL PROVIDE SOME RELIEF TO THE HEAT. * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...OVER 500 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE... RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ LAZ024-026-MSZ048>066-072>074-130000- /O.CON.KJAN.HT.Y.0003.000000T0000Z-110713T0000Z/ CATAHOULA-CONCORDIA-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE- CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS- FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES- MARION-LAMAR-FORREST- INCLUDING THE CITIES OF...JONESVILLE...HARRISONBURG...VIDALIA... FERRIDAY...WEST FERRIDAY...JACKSON...PEARL...BRANDON...RICHLAND... FOREST...MORTON...NEWTON...UNION...DECATUR...CONEHATTA... MERIDIAN...PORT GIBSON...CRYSTAL SPRINGS...HAZLEHURST...WESSON... MAGEE...MENDENHALL...TAYLORSVILLE...RALEIGH...BAY SPRINGS... HEIDELBERG...QUITMAN...STONEWALL...SHUBUTA...FAYETTE...NATCHEZ... BUDE...ROXIE...MEADVILLE...BROOKHAVEN...MONTICELLO...NEW HEBRON... PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...LAUREL... COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...HATTIESBURG 137 PM CDT TUE JUL 12 2011 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * HEAT INDEX READINGS...105 TO 110 DEGREES TODAY. * TIMING...PEAK HEAT INDEX READINGS ARE EXPECTED BETWEEN 11 AM AND 6 PM. HOWEVER...SHOWERS AND THUNDERSTORMS THIS AFTERNOON WILL PROVIDE SOME RELIEF TO THE HEAT. * IMPACTS...PROLONGED EXPOSURE TO HEAT INDEX VALUES OF 105 AND GREATER CAN BE DANGEROUS IF THE PROPER PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. EACH YEAR...A NUMBER OF FATALITIES OCCUR NATIONWIDE DUE TO CHILDREN ACCIDENTALLY BEING LEFT IN VEHICLES DURING THE SUMMER MONTHS. IN THE PAST DOZEN YEARS...OVER 500 CHILDREN HAVE DIED DUE TO HYPERTHERMIA AFTER BEING LEFT IN OR GAINING ACCESS TO CARS. NEVER LEAVE CHILDREN OR PETS UNATTENDED IN A VEHICLE NOT EVEN FOR A MINUTE. REMEMBER...BEAT THE HEAT...CHECK THE BACKSEAT. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE... RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1. && $$ ALLEN
What forecasters said that day
The local office's own words before this excessive heat 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 excessive heat warning went out at Jul 11, 11:12 AM CDT, 3 hours 14 minutes earlier.
Area forecast discussion, Jul 11, 11:12 AM CDT, 3 hours 14 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
1112 AM CDT MON JUL 11 2011
.DISCUSSION...GOING FORECAST IS ON TRACK AND ONLY SOME MINOR TWEAKS
WERE MADE TO TEMPS THROUGH TODAY. HOT AND HUMID CONDITIONS WILL
EXIST...LIKE PREV DAYS...AND HIGHS WILL BE 96-100 DEGREES WHICH HEAT
INDEX VALUES BETWEEN 105-110 DEGREES. PRECIP CHANCES ARE A BIT TRICKY
AS MORNING GUID DID COME IN HIGHER ACROSS THE E/SE.
HOWEVER...PERSISTENCE INDICATES THAT STORM COVERAGE WILL BE LESS THAN
EXPECTED. SAYING THAT...THERE ARE INDICATIONS FROM THE NEW SET OF
GUID THAT SOME OF THE BETTER ACTIVITY THAT OCCURRED ACROSS AL WILL
SHIFT MORE INTO OUR AREA THIS AFTERNOON. DUE TO THIS...WILL LEAVE
CURRENT POPS AS IS. THE ONLY ADJ WAS TO SLOW THE INITIATION OF ANY WX
BY A FEW HRS.
LIKE YESTERDAY...THERE COULD BE A COUPLE STRONG STORMS...MAINLY DUE
TO THE FACT THAT HAVING CONVECTION OCCUR WITH TEMPS PUSHING 100
DEGREES FAVORS GUSTY WINDS. BASED OFF THE MORNING SOUNDING
ANALYSIS...THE THERMO ENVIRONMENT IS NOT GREAT AS LAPSE RATES ARE
TAME. HOWEVER...WITH STRONG SFC HEATING AND HIGH LOW LEVEL MOISTURE
CONTENT...SBCAPE VALUES WILL RANGE FROM 3000-4000 J/KG. ALSO...THERE
WILL BE SOME DCAPE (1000-1300 J/KG) WHICH WILL ALSO SUPPORT STRONG
DOWNDRAFTS. WITH THAT...WILL CONTINUE THE WORDING OF A FEW STRONG
STORMS WITH GUSTY WINDS 50-60 MPH. A LONE SVR STORM OR TWO CANNOT BE
RULED OUT AS WELL...BUT THIS SEEMS TO BE A LOW RISK.
FORECAST CONCERNS FOR THE AFTERNOON PACKAGE WILL BE ON THE LINGERING
HEAT AND LIKELY EXPANSION OF THE HEAT ADV INTO TUE. ALSO...THE
INCREASING PRECIP POTENTIAL WILL BE A FOCUS AND HOW THAT LOOKS TO
BRING SOME RELIEF TO THE HOT CONDITIONS. /CME/
&&
.AVIATION...VFR CONDITIONS WILL CONTINUE THROUGH MUCH OF THE
AFTERNOON. TAF SITES ACROSS EAST AND SOUTHEAST MISSISSIPPI...
KGTR/KMEI/KHBG...WILL HAVE THE BETTER POTENTIAL OF SEEING CONVECTION
LATER IN THE DAY. STORMS OBSERVED AT ANY SITE WILL CAUSE A BRIEF
PERIOD OF MVFR TO IFR VISIBILITIES AND CEILINGS. SOME STORMS COULD
BE STRONG AND PRODUCE GUSTY WINDS. CONVECTION WILL DISSIPATE
THROUGH THE EVENING AS DAYTIME HEATING IS LOST. VFR CONDITIONS ARE
THEN EXPECT TO RETURN AND CONTINUE THROUGH THE OVERNIGHT HOURS INTO
TUESDAY MORNING. /19/
&&
.PREV DISCUSSION... /ISSUED 529 AM CDT MON JUL 11 2011/
DISCUSSION...SHORT TERM(TODAY THROUGH TUESDAY NIGHT) THE HEAT WILL
CONTINUE TODAY AS THE DOME OF HIGH PRESSURE REMAINS OVER THE AREA.
THIS WILL ONCE AGAIN BRING HOT AND MUGGY CONDITIONS ACROSS MUCH OF
THE ARKLAMISS REGION AS DEWPOINTS WILL STILL BE IN THE LOWER TO MID
70S. THE AREA WHERE CONVECTION IS PROGGED TO BE THE BEST BY LOCAL AND
NATIONAL HI-RES WRF MODELS AND OTHER MODEL GUIDANCE IS THE SOUTHEAST
AND EAST. THS IS WHERE THE HIGHEST CHANCES EXIST IN THE FORECAST AS
THE RIDGE LOOKS TO BREAK DOWN SOME AND WEAK DISTURBANCES IN THE FLOW
WILL ROTATE THROUGH. THIS COULD PLAY SOME TRICKS WITH THE HIGHS TOO
DEPENDING ON WHEN CONVECTION GETS GOING. STILL THINK THAT MOST
LOCATIONS WILL REACH INTO THE UPPER 90S AND EVEN AT OR ABOVE 100
DEGREES(ESPECIALLY IN THE WEST). WITH SUCH HIGH MOISTURE CONTENT OVER
THE REGION...HEAT INDICES WILL AGAIN BE IN THE 105-110 RANGE ACROSS
THE AREA AND CURRENT HEAT ADVISORY ENCOMPASSING THE ENTIRE AREA STILL
LOOKS VALID THROUGH THIS EVENING. AS WAS THE CASE TODAY...ANY STORM
THAT DEVELOPS THIS AFTERNOON WILL HAVE THE POTENTIAL TO BECOME STRONG
AS THERE WILL BE SUFFICIENT CAPE AND DECENT LAPSE RATES(VT AROUND
26-27) TO BRING SOME GUSTY WINDS AND HEAVY DOWNPOURS TO THAT LUCKY
LOCATION.
GOING INTO TONIGHT...THIS IS WHERE SOME UNCERTAINTY BEGINS IN TERMS
OF TEMEPRATURES. DEPENDING ON HOW MUCH CONVECTION OCCURS TODAY AND
RESIDUAL CLOUD COVER...THIS WILL HIGHLY DEPEND ON HOW WARM WE STAY
TONIGHT IN SOME LOACTIONS. STILL THINK THAT THE WESTERN PORTIONS OF
MY CWA WILL HAVE NO PROBLEM STAYING INTO THE MID 70S OVERNIGHT AS
THEY SHOULD GET FAIRLY WARM THIS AFTERNOON AND REMAIN WARM
OVERNIGHT. THE EAST IS A LITTLE MORE OF A QUESTION. IF AFTERNOON
CONVECTION CAN COOL LOCATIONS DOWN...OVERNIGHT LOWS MAY REMAIN ON
THE COOLER SIDE....THOUGH RESIDUAL CLOUD DEBRIS COULD ALSO ALLOW
THEM TO REMAIN WARMER. GIVEN THE THOUGHT THAT THERE SHOULD BE ENOUGH
DAYTIME CONVECTION TO BREAK THE HEAT FOR A LONGER PERIOD OF
TIME...HAVE OPTED NOT TO EXTEND THE HEAT ADVISORY FOR THE EAST.
LATER SHIFTS MAY WANT TO EVALUATE THIS DEPENDING ON HOW MUCH
CONVECTION OCCURS THIS AFTERNOON AND EXTEND THE ADVISORY OR TRIM
MORE. HOWEVER...THE WEST(GENERALLY I-55 AND WEST) HAS BEEN EXTENDED
UNTIL 00Z WED.
FOR TUES...MODELS DEPICT THAT THE RIDGE WILL BREAK DOWN MORE AND A
SHEAR AXIS LOOKS IN PLACE ACROSS THE CWA. THIS SHOULD LEAD TO
ADDITIONAL CONVECTION TUESDAY AFTERNOON AND FURTHER TO THE WEST THAN
TODAY. WITH ADDITIONAL CONVECTION AROUND...HIGHS LOOK ONLY TO REACH
INTO THE MID 90S ACROSS MUCH OF THE AREA OR POTENTIALLY INTO THE
LOWER 90S AS PER THE NAM. THE ONLY LOCATION WHERE TEMPERATURES MAY
TOUCH HIGHER INTO THE UPPER 90S WOULD AGAIN BE THE DELTA/WESTERN
HALF OF THE CWA WHERE CONVECTION...FOR NOW...IS NOT EXPECTED TO BE AS
MUCH AS IN THE EAST. IT IS HERE WHERE THE COMBINATION OF HEAT AND
HUMIDITY WILL EXIST TO KEEP HEAT INDICES AROUND 105-108 DEGREES. ANY
AFTERNOON CONVECTION WILL WANE DURING THE EVENING AND OVERNIGHT LOWS
WILL BE DEPENDANT ON HOW MUCH CONVECTION CAN COOL TEMPERATURES
DURING THE DAY AND HOW MUCH RESIDUAL CLOUD COVER THERE WILL BE. FOR
NOW..HAVE GONE WITH OVERNIGHT LOWS IN THE LOWER TO MID 70S IN THE
EAST AND IN THE MID 70S IN THE WEST. /28/
LONG TERM(WEDNESDAY THROUGH MONDAY) MODELS APPEAR TO BE CONFIRMING A
DECENT BREAK IN THE MID-UPPER LEVEL RIDGE STARTING MID WEEK. INSTEAD
OF SEEING A STOUT UPPER RIDGE ALL WEEK LONG...THE 300MB ANTICYCLONE
CENTER OVER NRN GA GETS DEPRESSED SWD INTO NRN FL ON WEDNESDAY. AT
THE SAME TIME...THE W TX UPPER LOW CENTER SPINS NEWD INTO THE OZARKS
AND THEN TURNS INTO THE MID SOUTH THURSDAY AND FINALLY DOWN THE MS
RIVER FRIDAY. THESE SUBTLE FEATURES COMBINE WITH PWATS NEAR OR ABOVE
2 INCHES TO KEEP MAINLY AFTERNOON TSRA IN THE PICTURE EACH DAY WITH A
SPLIT IN THE 700-500MB RIDGE AND SUBSEQUENT COOLING OF 500MB TEMPS
FROM MINUS 3-4C TO MINUS 6-8C. SURFACE DEWPOINTS IN THE LOWER TO
MIDDLE 70S MUCH OF THE TIME ARE SUPPORTED BY 850MB THETA E AIR
BETWEEN 340-350K. PROGGED SBCAPES OF 3500-4500J/KG ALSO HELP THE
INCREASE IN CLOUD COVER AND DAILY RAIN CHANCES TO HOLD MAX TEMPS
MORE FREQUENTLY IN THE MIDDLE 90S AS WELL.
THIS WILL MEAN THAT WITH THIS COMBINATION OF HEAT AND HUMIDITY...
HEAT INDEX VALUES WILL BE MORE IN THE 102-107 DEGREE RANGE EACH
AFTERNOON. GUIDANCE CONTINUES TO SUGGEST THAT LOW TEMPERATURES WILL
REMAIN IN THE MID 70S WITH THE POTENTIAL FOR SOME UPPER 70S. THIS
WILL PROVIDE LITTLE RELIEF TO THE HEAT AND AT LEAST BORDERLINE HEAT
ADVISORY CONDITIONS MAY WELL CONTINUE.
BY SATURDAY/SUNDAY AFTERNOONS...THE MID LEVEL RIDGE BEGINS TO GAIN A
STRONGER FOOTHOLD AGAIN ACROSS MO AND BUILDING TOWARD THE GULF COAST
ONCE AGAIN. BOTH ECMWF/GFS DEPICT THE A 598DM 500MB HIGH CENTER THAT
EXPANDS BUT MOVES SLOWLY WWD. AS A RESULT...THE HIGH LOOKS LIKE IT
WILL REMAIN TO OUR WEST...WHERE CONDITIONS IN DROUGHT STRICKEN SRN
PLAINS COULD GET VERY HOT. AS LONG AS THE CENTER CAN STAY FARTHER TO
THE WEST...OUR AFTERNOON/EVENING RAIN CHANCES SHOULD HANG IN THERE
RIGHT INTO MONDAY.
GUIDANCE TEMPS WERE GENERALLY ACCEPTED ALTHOUGH TRIMMED POPS FOR
MAINLY THE OVERNIGHT PERIODS TOWARD THE ENSEMBLE MEANS. WE ESPECIALLY
NOTED AN IMPRESSIVE STRING OF WELL ABOVE NORMAL ENSEMBLE MEAN POPS
DURING THE DAYLIGHT HOURS. /40/
&&
.PRELIMINARY POINT TEMPS/POPS...
JACKSON 99 75 96 75 / 28 19 38 32
MERIDIAN 98 74 95 73 / 40 21 39 42
VICKSBURG 98 75 96 74 / 11 14 31 23
HATTIESBURG 97 76 96 75 / 52 27 60 43
NATCHEZ 96 75 94 75 / 23 15 49 25
GREENVILLE 100 77 98 76 / 4 11 19 25
GREENWOOD 97 75 98 76 / 8 14 24 30
&&
.JAN WATCHES/WARNINGS/ADVISORIES...
MS...HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR MSZ028>033-037>039-
044>046-050>052-055>058-063>066-072>074.
HEAT ADVISORY UNTIL 7 PM CDT TUESDAY FOR MSZ018-019-025>027-
034>036-040>043-047>049-053-054-059>062.
LA...HEAT ADVISORY UNTIL 7 PM CDT TUESDAY FOR LAZ007>009-015-016-
023>026.
AR...HEAT ADVISORY UNTIL 7 PM CDT TUESDAY FOR ARZ074-075.
&&
CME/19/28/40/Hazardous weather outlook, Jul 11, 2:24 PM CDT, 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 224 PM CDT MON JUL 11 2011 MSZ029>033-121930- WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA- 224 PM CDT MON JUL 11 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MISSISSIPPI. .DAY ONE...TONIGHT AND TUESDAY... HOT AFTERNOON TEMPERATURES IN THE UPPER 90S TO NEAR 100 DEGREES WILL COMBINE WITH HIGH HUMIDITY TO RESULT IN HEAT INDICES BETWEEN 110 AND 115 DEGREES FOR THE REMAINDER OF THIS AFTERNOON AND AGAIN TUESDAY AFTERNOON. OVERNIGHT LOWS TONIGHT WILL REMAIN ABOVE 75 DEGREES AT MANY LOCATIONS OFFERING LITTLE RELIEF FROM THE DAYTIME HEAT. PRECAUTIONS SHOULD BE TAKEN TO MINIMIZE EXPOSURE TO THE HEAT DURING THIS TIME. AN EXCESSIVE HEAT WARNING IS NOW IN EFFECT FOR LOWNDES... OKTIBBEHA...CLAY...CHOCTAW...AND WEBSTER COUNTIES THROUGH TUESDAY EVENING. .DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH SUNDAY... HOT AND HUMID CONDITIONS WILL CONTINUE WEDNESDAY WHEN HEAT INDICES PEAK BETWEEN 100 AND 105 DEGREES. A HEAT ADVISORY COULD BE EXTENDED THROUGH WEDNESDAY EVENING. ADDITIONALLY...A FEW STRONG STORMS LOOK TO BE POSSIBLE EACH AFTERNOON THROUGH FRIDAY. THE STRONGEST STORMS COULD PRODUCE GUSTY WINDS OF 50 AND 60 MPH...ALONG WITH FREQUENT LIGHTNING AND BRIEF HEAVY DOWNPOURS. .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 SUNDAY. ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>028-034>066- 072>074-121930- ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR- SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WASHINGTON-HUMPHREYS- HOLMES-ATTALA-WINSTON-NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-MADISON MS- LEAKE-NESHOBA-KEMPER-WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE- CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS- FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES- MARION-LAMAR-FORREST- 224 PM CDT MON JUL 11 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA...AND PORTIONS OF CENTRAL MISSISSIPPI. .DAY ONE...TONIGHT AND TUESDAY... HOT AFTERNOON TEMPERATURES IN THE UPPER 90S TO NEAR 100 DEGREES WILL COMBINE WITH HIGH HUMIDITY TO RESULT IN HEAT INDICES BETWEEN 105 AND 110 DEGREES FOR THE REMAINDER OF THIS AFTERNOON AND AGAIN TUESDAY AFTERNOON. OVERNIGHT LOWS TONIGHT WILL REMAIN ABOVE 75 DEGREES AT MANY LOCATIONS OFFERING LITTLE RELIEF FROM THE DAYTIME HEAT. PRECAUTIONS SHOULD BE TAKEN TO MINIMIZE EXPOSURE TO THE HEAT DURING THIS TIME. A HEAT ADVISORY IS IN EFFECT FOR THE OUTLOOK AREA THROUGH TUESDAY EVENING. ADDITIONALLY...A FEW STRONG STORMS LOOK TO BE POSSIBLE THIS AFTERNOON UNTIL 7 PM AND AGAIN TUESDAY AFTERNOON...PARTICULARLY OVER AREAS ALONG AND EAST OF THE INTERSTATE 55 CORRIDOR. THE STRONGEST STORMS COULD PRODUCE GUSTY WINDS OF 50 AND 60 MPH...ALONG WITH FREQUENT LIGHTNING AND BRIEF HEAVY DOWNPOURS. .DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH SUNDAY... HOT AND HUMID CONDITIONS WILL CONTINUE WEDNESDAY WHEN HEAT INDICES PEAK BETWEEN 100 AND 105 DEGREES. A HEAT ADVISORY COULD BE EXTENDED THROUGH WEDNESDAY EVENING. ADDITIONALLY...A FEW STRONG STORMS LOOK TO BE POSSIBLE EACH AFTERNOON THROUGH FRIDAY. THE STRONGEST STORMS COULD PRODUCE GUSTY WINDS OF 50 AND 60 MPH...ALONG WITH FREQUENT LIGHTNING AND BRIEF HEAVY DOWNPOURS. .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 SUNDAY. FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. 19
In the hours before
Special weather statement, Jul 11, 1:52 PM CDT, 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 152 PM CDT MON JUL 11 2011 MSZ064-065-111920- JEFFERSON DAVIS MS-COVINGTON MS- 152 PM CDT MON JUL 11 2011 A STRONG THUNDERSTORM CAPABLE OF PRODUCING 40 TO 50 MPH WINDS WAS LOCATED 3 MILES WEST OF COLLINS AT 152 PM CDT...MOVING SOUTHWEST AT 5 MPH. VERY HEAVY RAIN ALONG WITH FREQUENT CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS STORM. PEOPLE IN WESTERN COVINGTON AND EAST CENTRAL JEFFERSON DAVIS COUNTIES SHOULD MONITOR THIS STORM CLOSELY. LAT...LON 3148 8971 3169 8981 3176 8956 3159 8947 TIME...MOT...LOC 1852Z 067DEG 3KT 3164 8961 EEC
Special weather statement, Jul 11, 1:57 PM CDT, 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 157 PM CDT MON JUL 11 2011 MSZ050-111915- SCOTT MS- 157 PM CDT MON JUL 11 2011 A STRONG THUNDERSTORM CAPABLE OF PRODUCING 40 TO 50 MPH WINDS WAS LOCATED 3 MILES SOUTHWEST OF FOREST AT 157 PM CDT...MOVING WEST AT 5 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS STORM. PEOPLE IN CENTRAL SCOTT COUNTY SHOULD MONITOR THIS STORM CLOSELY. LAT...LON 3228 8971 3248 8962 3239 8939 3222 8946 TIME...MOT...LOC 1857Z 110DEG 3KT 3234 8953 EEC
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:09 PM CDT | Special Weather Statement | JAN | Rankin | 76 min |
| Jul 10, 7:20 PM CDT | Severe Thunderstorm Warning | JAN | Hinds, Madison, Rankin | 31 min |
| Jul 11, 1:52 PM CDT | Special Weather Statement | JAN | Covington | 28 min |
| Jul 11, 1:57 PM CDT | Special Weather Statement | JAN | Scott | 18 min |
| Jul 11, 3:07 PM CDT | Special Weather Statement | JAN | Jones | 18 min |
| Jul 11, 3:30 PM CDT | Special Weather Statement | JAN | Jones | 30 min |
| Jul 11, 3:44 PM CDT | Severe Thunderstorm Warning | JAN | Forrest, Jones | 61 min |
| Jul 11, 4:29 PM CDT | Special Weather Statement | JAN | Attala | 31 min |
| Jul 11, 4:38 PM CDT | Severe Thunderstorm Warning | JAN | Lamar | 35 min |
| Jul 11, 4:48 PM CDT | Special Weather Statement | JAN | Rankin | 32 min |
| Jul 11, 4:57 PM CDT | Special Weather Statement | JAN | Newton | 28 min |
| Jul 11, 5:03 PM CDT | Special Weather Statement | JAN | Marion | 32 min |
| Jul 11, 5:29 PM CDT | Special Weather Statement | JAN | Clarke | 31 min |
| Jul 11, 5:44 PM CDT | Severe Thunderstorm Warning | JAN | Rankin | 45 min |
| Jul 11, 5:46 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Jasper, Lauderdale, Newton | 44 min |
| Jul 11, 6:06 PM CDT | Special Weather Statement | JAN | Copiah | 29 min |
| Jul 11, 6:25 PM CDT | Severe Thunderstorm Warning | JAN | Copiah | 50 min |
| Jul 11, 6:41 PM CDT | Special Weather Statement | JAN | Rankin | 29 min |
| Jul 11, 6:45 PM CDT | Special Weather Statement | JAN | Jasper | 30 min |
| Jul 11, 6:48 PM CDT | Special Weather Statement | JAN | Franklin | 32 min |
Nearby
Excessive Heat Warnings in Mississippi, 2011Every excessive heat warning in 2011
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.