Alert archive / Louisiana / Heat Advisories in 2011
Heat Advisory 1, NWS Lake Charles, LA
NWS Lake Charles, LA issued this heat advisory at Jul 3, 2011, 10:36 AM CDT for 9 parishes in Louisiana. It took effect at Jul 3, 2011, 12:00 PM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jul 3, 2011, 10:36 AM CDT (15:36 UTC)
- In effect from
- Jul 3, 2011, 12:00 PM CDT
- Expired
- Jul 3, 2011, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Lake Charles, LA
Counties Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Evangeline Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vernon Parish, LA
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 3.6 hours before the alert went out and 233 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
- 1126 J/kg
- Mixed-layer CIN
- -117 J/kg
- Mixed-layer LCL
- 1622 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
What forecasters said that day
The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lake Charles, LA wrote its last area forecast discussion before this heat advisory went out at Jul 3, 10:27 AM CDT, 9 minutes earlier.
Area forecast discussion, Jul 3, 10:27 AM CDT, 9 minutes before
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</html>Hazardous weather outlook, Jul 3, 5:33 AM CDT, 5 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 533 AM CDT SUN JUL 3 2011 GMZ430-432-435-450-452-455-470-472-475-LAZ027>033-041>045-051>055- TXZ180>182-201-215-216-041045- SABINE LAKE-CALCASIEU LAKE-VERMILION BAY- COASTAL WATERS FROM CAMERON, LA TO HIGH ISLAND, TX OUT 20 NM- COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON, LA OUT 20 NM- COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY, LA OUT 20 NM- WATERS FROM CAMERON, LA TO HIGH ISLAND, TX EXTENDING FROM 20 NM TO 60 NM- WATERS FROM INTRACOASTAL CITY, LA TO CAMERON, LA EXTENDING FROM 20 NM TO 60 NM- WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY, LA EXTENDING FROM 20 NM TO 60 NM-VERNON-RAPIDES-AVOYELLES-BEAUREGARD- ALLEN-EVANGELINE-ST. LANDRY-CALCASIEU-JEFFERSON DAVIS-ACADIA- LAFAYETTE-UPPER ST. MARTIN-CAMERON-VERMILION-IBERIA-ST. MARY- LOWER ST. MARTIN-TYLER-JASPER-NEWTON-HARDIN-JEFFERSON-ORANGE- 533 AM CDT SUN JUL 3 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST GULF OF MEXICO...CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA... SOUTHWEST LOUISIANA...WEST CENTRAL LOUISIANA AND SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE TODAY AS PLENTIFUL LOW-LEVEL MOISTURE INTERACTS WITH LINGERING OUTFLOW BOUNDARIES FROM YESTERDAY AND THE AFTERNOON SEA BREEZE. SEVERE WEATHER IS NOT LIKELY...ALTHOUGH A STORM OR TWO COULD BE ACCOMPANIED BY DAMAGING WIND GUSTS EXCEEDING 60 MPH. MEANWHILE HIGH TEMPERATURES OF AROUND 100 DEGREES CAN BE EXPECTED ACROSS CENTRAL LOUISIANA AND THE LAKES REGION OF SOUTHEAST TEXAS. WHEN COMBINED WITH DEWPOINT TEMPERATURES IN THE UPPER 60S TO LOWER 70S...IT WILL FEEL LIKE 102 TO 107 DEGREES. USE CAUTION IF OUTSIDE DURING THE TIME OF MAXIMUM HEATING TODAY...INCLUDING WEARING LIGHT WEIGHT AND LIGHT-COLORED CLOTHING...AND DRINKING PLENTY OF WATER. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY SHOWER AND THUNDERSTORM ACTIVITY WILL CONTINUE TO GRADUALLY INCREASE THROUGH THE COMING WEEK AS THE HIGH PRESSURE RIDGE ALOFT... RESPONSIBLE FOR THE LACK OF SIGNIFICANT RAINFALL OVER THE PAST FEW WEEKS...WEAKENS. SEVERE WEATHER IS NOT EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. 25
In the hours before
Local storm report, Jul 3, 6:17 AM CDT, 4 hours 19 minutes before
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</html>Local storm report, Jul 3, 6:30 AM CDT, 4 hours 6 minutes before
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</html>The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 3:33 AM CDT | Special Marine Warning | LCH | 87 min | |
| Jul 3, 4:45 AM CDT | Special Marine Warning | LCH | 90 min | |
| Jul 3, 3:46 PM CDT | Special Weather Statement | LCH | Lafayette | 59 min |
| Jul 3, 4:55 PM CDT | Special Weather Statement | LCH | Lafayette | 35 min |
| Jul 3, 4:57 PM CDT | Special Weather Statement | LCH | St. Mary | 33 min |
| Jul 3, 6:23 PM CDT | Special Weather Statement | LCH | Acadia | 37 min |
Nearby
Heat Advisories in Louisiana, 2011Every heat advisory 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.