Alert archive / Mississippi / Special Weather Statements in 2016
Special Weather Statement, NWS New Orleans, LA
NWS New Orleans, LA issued this special weather statement at Aug 18, 2016, 12:48 PM CDT for Harrison County, Mississippi. It was in force for 27 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
- Aug 18, 2016, 12:48 PM CDT (17:48 UTC)
- Expired
- Aug 18, 2016, 1:15 PM CDT
- In force
- 27 min
- Issued by
- NWS New Orleans, LA
County Harrison County, MS
The radar
The Mobile radar (KMOB), 79 km from the middle of the area, began a volume at 17:48 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 5.8 hours before the alert went out and 72 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
- 2545 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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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 New Orleans, LA wrote its last area forecast discussion before this special weather statement went out at Aug 18, 12:42 PM CDT, 6 minutes earlier.
Area forecast discussion, Aug 18, 12:42 PM CDT, 6 minutes before
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</html>Hazardous weather outlook, Aug 18, 11:12 AM CDT, 1 hour 36 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1112 AM CDT THU AUG 18 2016 GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-LAZ034>037- 039-040-046>050-056>072-MSZ068>071-077-080>082-190415- LAKE PONTCHARTRAIN AND LAKE MAUREPAS-MISSISSIPPI SOUND- LAKE BORGNE-CHANDELEUR SOUND-BRETON SOUND- COASTAL WATERS FROM PORT FOURCHON LA TO LOWER ATCHAFALAYA RIVER LA OUT 20 NM- COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA OUT 20 NM- COASTAL WATERS FROM BOOTHVILLE LA TO SOUTHWEST PASS OF THE MISSISSIPPI RIVER OUT 20 NM- COASTAL WATERS FROM PASCAGOULA MISSISSIPPI TO STAKE ISLAND OUT 20 NM- COASTAL WATERS FROM PORT FOURCHON LOUISIANA TO LOWER ATCHAFALAYA RIVER LA FROM 20 TO 60 NM- COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA FROM 20 TO 60 NM- COASTAL WATERS FROM STAKE ISLAND LA TO SOUTHWEST PASS OF THE MISSISSIPPI RIVER FROM 20 TO 60 NM- COASTAL WATERS FROM PASCAGOULA MISSISSIPPI TO STAKE ISLAND LOUISIANA OUT 20 TO 60 NM-POINTE COUPEE-WEST FELICIANA- EAST FELICIANA-ST. HELENA-WASHINGTON-ST. TAMMANY-IBERVILLE- WEST BATON ROUGE-EAST BATON ROUGE-ASCENSION-LIVINGSTON-ASSUMPTION- ST. JAMES-ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES- UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD- UPPER TERREBONNE-LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON- LOWER PLAQUEMINES-LOWER ST. BERNARD-NORTHERN TANGIPAHOA- SOUTHERN TANGIPAHOA-WILKINSON-AMITE-PIKE-WALTHALL-PEARL RIVER- HANCOCK-HARRISON-JACKSON- 1112 AM CDT THU AUG 18 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST LOUISIANA...SOUTH MISSISSIPPI AND THE ADJACENT COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT LOWER PORTIONS OF THE AMITE RIVER BASIN TOWARD LAKE MAUREPAS CONTINUE TO BE IMPACTED BY RECORD FLOODING. TRIBUTARIES IN EAST BATON ROUGE...IBERVILLE...POINTE COUPEE...ASCENSION... LIVINGSTON...ST. JAMES...AND ST. JOHN THE BAPTIST PARISHES ARE EXPERIENCING BACKWATER FLOODING. PLEASE REFER TO FLOOD WARNINGS AND STATEMENTS FOR THE LATEST INFORMATION. SCATTERED THUNDERSTORMS ARE EXPECTED THROUGH THE EARLY EVENING HOURS. THUNDERSTORMS SHOULD DISSIPATE BY LATE EVENING. A FEW OF THE THUNDERSTORMS COULD TURN STRONG AND PRODUCE BRIEF HEAVY DOWNPOURS...FREQUENT LIGHTNING STRIKES...AND GUSTY WINDS. HEAT INDEX READINGS BETWEEN 100 AND 105 DEGREES ARE EXPECTED THIS AFTERNOON IN AREAS NOT RECEIVING RAINFALL. THIS MAY PRODUCE HEAT RELATED IMPACTS TO PEOPLE OUTDOORS...ESPECIALLY IN FLOOD AFFECTED AREAS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE EACH DAY. A FEW STORMS COULD BECOME STRONG... PRODUCING FREQUENT LIGHTNING...GUSTY WINDS AND BRIEF HEAVY DOWNPOURS. HEAT INDEX READINGS BETWEEN 100 AND 105 DEGREES ARE EXPECTED DURING THE AFTERNOON EACH DAY THROUGH THE WEEKEND IN AREAS NOT RECEIVING RAINFALL. THIS MAY PRODUCE HEAT RELATED IMPACTS TO PEOPLE OUTDOORS...ESPECIALLY IN FLOOD AFFECTED AREAS. PLEASE REFER TO FLOOD WARNINGS AND STATEMENTS FOR THE LATEST INFORMATION ON WHEN RIVERS ARE EXPECTED TO FALL BELOW FLOOD STAGE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT REQUESTED AT THIS TIME.
In the hours before
Special weather statement, Aug 18, 11:30 AM CDT, 1 hour 18 minutes before
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</html>Special weather statement, Aug 18, 12:37 PM CDT, 11 minutes before
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</html>Special weather statement, Aug 18, 12:48 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 8:14 PM CDT | Special Weather Statement | LIX | East Baton Rouge | 31 min |
| Aug 18, 12:37 PM CDT | Special Weather Statement | LIX | Saint James | 38 min |
| Aug 18, 1:06 PM CDT | Special Weather Statement | LIX | Saint Tammany | 54 min |
| Aug 18, 1:15 PM CDT | Special Weather Statement | LIX | Ascension, Saint John the Baptist | 45 min |
| Aug 18, 1:43 PM CDT | Special Weather Statement | LIX | Plaquemines | 32 min |
| Aug 18, 1:57 PM CDT | Special Weather Statement | LIX | Tangipahoa, Washington | 48 min |
| Aug 18, 2:04 PM CDT | Special Weather Statement | LIX | Saint Charles | 26 min |
| Aug 18, 2:54 PM CDT | Special Weather Statement | LIX | Iberville, West Baton Rouge | 36 min |
| Aug 18, 3:29 PM CDT | Special Weather Statement | LIX | Pointe Coupee, West Baton Rouge | 61 min |
| Aug 18, 4:12 PM CDT | Special Weather Statement | LIX | East Feliciana | 63 min |
| Aug 18, 4:23 PM CDT | Flash Flood Warning | LIX | East Feliciana | 3 hr |
| Aug 18, 5:19 PM CDT | Special Weather Statement | LIX | East Feliciana | 26 min |
| Aug 18, 5:28 PM CDT | Special Weather Statement | LIX | East Feliciana | 32 min |
| Aug 18, 11:30 AM CDT | Special Weather Statement | LIX | Jackson | 60 min |
| Aug 18, 5:25 PM CDT | Special Weather Statement | LIX | Wilkinson | 35 min |
Nearby
Special Weather Statements in Mississippi, 2016Every special weather statement in 2016
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.