Alert archive / Mississippi / Hard Freeze Warnings in 2011
Hard Freeze Warning 2, NWS Jackson, MS
NWS Jackson, MS issued this hard freeze warning at Feb 2, 2011, 5:40 PM CST for 21 counties in Mississippi; 9 parishes in Louisiana; Ashley County, Chicot County, Arkansas. It was in force for 18 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
- Feb 2, 2011, 5:40 PM CST (23:40 UTC)
- Expired
- Feb 3, 2011, 12:00 PM CST
- In force
- 18 hr
- Issued by
- NWS Jackson, MS
All 32 counties
Ashley County, AR, Chicot County, AR, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Richland Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Adams County, MS, Bolivar County, MS, Carroll County, MS, Claiborne County, MS, Copiah County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Leflore County, MS, Lincoln County, MS, Madison County, MS, Rankin County, MS, Sharkey County, MS, Sunflower County, MS, Warren County, MS, Washington County, MS, Yazoo County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 92 km from the middle of the area, began a volume at 23:37 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, 11.7 hours before the alert went out and 82 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 101 kt
- 0-1 km storm-relative helicity
- -263 m²/s²
- 0-3 km storm-relative helicity
- -269 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this hard freeze 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 hard freeze warning went out at Feb 2, 5:05 PM CST, 35 minutes earlier.
Area forecast discussion, Feb 2, 5:05 PM CST, 35 minutes before
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</html>Hazardous weather outlook, Feb 2, 3:43 PM CST, 1 hour 57 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 343 PM CST WED FEB 2 2011 MSZ055>058-063>066-072>074-032145- SIMPSON-SMITH-JASPER-CLARKE-LAWRENCE-JEFFERSON DAVIS-COVINGTON- JONES-MARION-LAMAR-FORREST- 343 PM CST WED FEB 2 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST AND SOUTH CENTRAL MISSISSIPPI. .DAY ONE...TONIGHT AND THURSDAY... A WINTRY MIX OF SLEET...FREEZING RAIN...AND RAIN WILL BE POSSIBLE FROM EARLY THURSDAY MORNING INTO EARLY THURSDAY AFTERNOON ACROSS THE OUTLOOK AREA. ICE ACCUMULATION DURING THIS TIME IS EXPECTED TO REMAIN LESS THAN A TENTH OF AN INCH...WITH MOST ACCUMULATIONS LIKELY TO OCCUR ON METAL...GRASSY...AND ELEVATED SURFACES. TEMPERATURES THURSDAY AFTERNOON COULD WAVER A DEGREE OR TWO ABOVE FREEZING DURING THE AFTERNOON...WHICH WOULD CAUSE THIS PERIOD OF MIXED PRECIPITATION TO CONTINUE OFF AND ON DURING THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH TUESDAY... A WINTRY MIX OF PRECIPITATION WILL BE POSSIBLE AGAIN LATE THURSDAY NIGHT INTO FRIDAY MORNING...AND ONCE AGAIN FRIDAY NIGHT. THIS WILL OCCUR AS A LOW PRESSURE CENTER IN THE GULF OF MEXICO TRIES TO SPREAD PRECIPITATION NORTH INTO OUR VERY COLD AIR MASS. ONCE AGAIN...COLDER SURFACES COULD EXPERIENCE LIGHT ACCUMULATIONS OF SLEET AND FREEZING RAIN DURING THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF WINTER WEATHER OPERATIONS MAY BE NEEDED THURSDAY THROUGH FRIDAY. LAZ015-016-023>026-MSZ043-047>049-053-054-059>062-032145- RICHLAND-MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA- MADISON MS-WARREN-HINDS-RANKIN-CLAIBORNE-COPIAH-JEFFERSON-ADAMS- FRANKLIN MS-LINCOLN- 343 PM CST WED FEB 2 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST LOUISIANA AND CENTRAL MISSISSIPPI. .DAY ONE...TONIGHT AND THURSDAY... A PROLONGED PERIOD OF AT OR BELOW FREEZING TEMPERATURES WILL CONTINUE INTO THURSDAY MORNING OVER THE OUTLOOK AREA. THESE CONDITIONS COULD RESULT IN THE FREEZING AND BURSTING OF WATER PIPES ACROSS THE AREA. A LIGHT WINTRY MIX OF SLEET...FREEZING RAIN...AND RAIN WILL BE POSSIBLE BEGINNING THURSDAY AFTERNOON OVER THE OUTLOOK AREA. ICE ACCUMULATIONS DURING THIS TIME ARE EXPECTED TO REMAIN WELL LESS THAN A TENTH OF AN INCH...WITH MOST ACCUMULATIONS LIKELY TO OCCUR ON METAL...GRASSY... AND ELEVATED SURFACES. .DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH TUESDAY... A WINTRY MIX OF PRECIPITATION WILL AGAIN BE POSSIBLE THURSDAY NIGHT INTO FRIDAY MORNING...AND AGAIN FRIDAY NIGHT. THIS WILL OCCUR AS A LOW PRESSURE CENTER IN THE GULF OF MEXICO TRIES TO SPREAD PRECIPITATION NORTH INTO OUR VERY COLD AIR MASS. SOME LOCATIONS COULD EXPERIENCE ACCUMULATIONS OF SLEET AND FREEZING RAIN DURING THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF WINTER WEATHER OPERATIONS MAY BE NEEDED THURSDAY THROUGH FRIDAY. ARZ074-075-LAZ007>009-MSZ018-019-025>027-034>036-040>042-032145- ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-BOLIVAR- SUNFLOWER-LEFLORE-GRENADA-CARROLL-WASHINGTON-HUMPHREYS-HOLMES- ISSAQUENA-SHARKEY-YAZOO- 343 PM CST WED FEB 2 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHEAST ARKANSAS...AND PORTIONS OF NORTHEAST LOUISIANA AND CENTRAL MISSISSIPPI. .DAY ONE...TONIGHT AND THURSDAY.... A PROLONGED PERIOD OF AT OR BELOW FREEZING TEMPERATURES WILL CONTINUE INTO THURSDAY MORNING OVER THE OUTLOOK AREA. THESE CONDITIONS COULD RESULT IN THE FREEZING AND BURSTING OF WATER PIPES ACROSS THE AREA. .DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH TUESDAY... A WINTRY MIX OF PRECIPITATION WILL BE POSSIBLE THURSDAY NIGHT INTO FRIDAY MORNING...AND AGAIN FRIDAY NIGHT ACROSS THE OUTLOOK AREA. THIS WILL OCCUR AS A LOW PRESSURE SYSTEM IN THE GULF OF MEXICO TRIES TO SPREAD PRECIPITATION NORTH INTO OUR VERY COLD AIR MASS. SOME LOCATIONS COULD EXPERIENCE LIGHT ACCUMULATIONS OF SLEET...FREEZING RAIN..AND SNOW DURING THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF WINTER WEATHER OPERATIONS MAY BE NEEDED THURSDAY NIGHT THROUGH FRIDAY. MSZ028>033-037>039-044>046-050>052-032145- MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-ATTALA-WINSTON- NOXUBEE-LEAKE-NESHOBA-KEMPER-SCOTT-NEWTON-LAUDERDALE- 343 PM CST WED FEB 2 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MISSISSIPPI. .DAY ONE...TONIGHT AND THURSDAY... THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH TUESDAY... A WINTRY MIX OF PRECIPITATION WILL BE POSSIBLE THURSDAY NIGHT INTO FRIDAY MORNING...AND AGAIN FRIDAY NIGHT ACROSS THE OUTLOOK AREA. THIS WILL OCCUR AS A LOW PRESSURE SYSTEM IN THE GULF OF MEXICO TRIES TO SPREAD PRECIPITATION NORTH INTO OUR VERY COLD AIR MASS. SOME LOCATIONS COULD EXPERIENCE ACCUMULATIONS OF SLEET...FREEZING RAIN..AND SNOW DURING THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF WINTER WEATHER OPERATIONS MAY BE NEEDED THURSDAY NIGHT THOUGH FRIDAY. FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK. 19
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 10:30 PM CST | Wind Chill Advisory | JAN | Bolivar, Sunflower, Washington | 10 hr |
| Feb 2, 3:54 PM CST | Winter Storm Watch | JAN | Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more | 25 hr |
Nearby
Hard Freeze Warnings in Mississippi, 2011Hard Freeze Warnings in Louisiana, 2011Hard Freeze Warnings in Arkansas, 2011Every hard freeze 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.